{"id":186,"date":"2014-06-27T03:57:11","date_gmt":"2014-06-27T03:57:11","guid":{"rendered":"http:\/\/ixyzero.com\/blog\/?p=186"},"modified":"2014-06-27T03:57:11","modified_gmt":"2014-06-27T03:57:11","slug":"%e8%bd%ac%e6%9c%80%e7%89%9bb%e7%9a%84linux-shell%e5%91%bd%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/186.html","title":{"rendered":"[collect]\u6700\u725bB\u7684Linux Shell\u547d\u4ee4"},"content":{"rendered":"<p>Written by <a href=\"http:\/\/www.isspy.com\/author\/pentie\/\" target=\"_blank\">BOY PT<\/a> on. Posted in <a href=\"http:\/\/www.isspy.com\/category\/howto\/\" target=\"_blank\">\u5feb\u901f\u6559\u7a0b<\/a><\/p>\n<h5><strong>\u7f16\u8005\u6309<\/strong><\/h5>\n<p>\u672c\u6587\u7f16\u8bd1\u81eacommandlinefu.com\u7684\u7cfb\u5217\u6587\u7ae0<a href=\"http:\/\/www.catonmat.net\/blog\/top-ten-one-liners-from-commandlinefu-explained\" target=\"_blank\">Top Ten One-Liners from CommandLineFu Explained<\/a>\u3002\u4f5c\u4e3a\u4e00\u4e2a\u7531\u7528\u6237\u63a8\u8350\u6700\u6709\u7528shell\u547d\u4ee4\u7684\u7f51\u7ad9\uff0c\u5176\u8bb0\u5f55\u4e86\u6570\u4ee5\u4e07\u8ba1\u7684\u5404\u8272shell\u547d\u4ee4\uff0c\u5176\u4e2d\u4e0d\u4e4f\u76f8\u5f53\u5b9e\u7528\u548c\u6709\u8da3\u7684\uff0c\u672c\u6587\u5c31\u8981\u7ec6\u6570\u5f53\u4e2d\u83b7\u6295\u7968\u6700\u9ad8\u7684\u4e00\u4e9b\u547d\u4ee4\uff0c\u4ece\u5176\u4e2d\u53d6\u6750\u5e76\u52a0\u4ee5\u7ec6\u91ca\uff0c\u5e0c\u671b\u8bfb\u8005\u80fd\u4ece\u4e2d\u53d7\u76ca\u3002<\/p>\n<p>\u7f16\u8f91\uff1a@BOYPT<\/p>\n<h5>\u672c\u7cfb\u5217\u6587\u7ae0\uff1a<\/h5>\n<ul>\n<li><a href=\"http:\/\/www.isspy.com\/most_useful_linux_commands_1\/\">\u6700\u725bB\u7684 Linux Shell \u547d\u4ee4\u7cfb\u5217\u8fde\u8f7d\uff08\u4e00\uff09<\/a><\/li>\n<li><a href=\"http:\/\/www.isspy.com\/most_useful_linux_commands_2\/\">\u6700\u725bB\u7684 Linux Shell \u547d\u4ee4\u7cfb\u5217\u8fde\u8f7d\uff08\u4e8c\uff09<\/a><\/li>\n<li><a href=\"http:\/\/www.isspy.com\/most_useful_linux_commands_3\/\">\u6700\u725bB\u7684 Linux Shell \u547d\u4ee4\u7cfb\u5217\u8fde\u8f7d\uff08\u4e09\uff09<\/a><\/li>\n<li><a href=\"http:\/\/www.isspy.com\/most_useful_linux_commands_4\/\">\u6700\u725bB\u7684 Linux Shell \u547d\u4ee4\u7cfb\u5217\u8fde\u8f7d\uff08\u56db\uff09<\/a><\/li>\n<\/ul>\n<h6><strong>\u5f15\u8a00<\/strong><\/h6>\n<p>Shell\u4f5c\u4e3aUnix\u7cfb\u64cd\u4f5c\u7cfb\u7edf\u5f53\u4e2d\u6700\u6709\u9b45\u529b\u4e14\u4e0d\u53ef\u6216\u7f3a\u7684\u7ec4\u4ef6\uff0c\u7ecf\u8fc7\u6570\u5341\u8f7d\u7684\u6d17\u793c\u4e0d\u4ec5\u6ca1\u6709\u88ab\u6dd8\u6c70\uff0c\u800c\u4e14\u6108\u52a0\u53d8\u5f97\u6210\u719f\u7a33\u5065\uff0c\u7a76\u5176\u539f\u56e0\uff0c\u5927\u6982\u56e0\u4e3a\u5b83\u662f\u4e2a\u975e\u5e38\u7a33\u56fa\u7684\u7c98\u5408\u5242\uff0c\u80fd\u591f\u628a\u5927\u91cf\u529f\u80fd\u5f3a\u5927\u7684\u7ec4\u4ef6\u4efb\u610f\u914d\u642d\uff0c\u603b\u80fd\u5f88\u597d\u5f88\u5feb\u5730\u5b8c\u6210\u7528\u6237\u7684\u4efb\u52a1\u3002<\/p>\n<p>\u672c\u6587\u7684\u4e00\u4e9b\u547d\u4ee4\u5f88\u53ef\u80fd\u770b\u8d77\u6765\u662f&#8221;\u96d5\u866b\u5c0f\u6280&#8221;\uff0c\u6211\u4eec\u53ea\u597d\u4ef0\u6155\u4e00\u4e0bShell\u5927\u725b\u4e86\uff0c\u4f46\u662f\u6709\u4e9b\u7ec6\u8282\u6211\u4f1a\u7a0d\u52a0\u53d1\u6398\u52a0\u4ee5\u8bf4\u660e\uff0c\u9047\u5230\u6709\u8da3\u7684\u5730\u65b9\u5e0c\u671b\u80fd\u535a\u60a8\u4e00\u7b11\u4e86\u3002<\/p>\n<h6>1.\u4ee5sudo\u8fd0\u884c\u4e0a\u6761\u547d\u4ee4<\/h6>\n<pre class=\"lang:default decode:true\">$ sudo !!<\/pre>\n<p>\u5927\u5bb6\u5e94\u8be5\u90fd\u77e5sudo\uff0c\u4e0d\u89e3\u91ca\u3002\u4f46\u901a\u5e38\u51fa\u73b0\u7684\u60c5\u51b5\u662f\uff0c\u6572\u5b8c\u547d\u4ee4\u6267\u884c\u540e\u62a5\u9519\u624d\u53d1\u73b0\u5fd8\u4e86sudo\u3002\u8fd9\u65f6\u5019\uff0c\u65b0\u624b\u7528\u6237\u5c31\u4f1a\uff1a\u6309\u4e0a\u7bad\u5934\uff0c\u6309\u5de6\u7bad\u5934\uff0c\u76ef\u7740\u5149\u6807\u56de\u5230\u5f00\u59cb\u5904\uff0c\u8f93\u5165sudo\uff0c\u56de\u8f66\uff1b\u9ad8\u624b\u7528\u6237\u5c31\u86cb\u5b9a\u591a\u4e86\uff0c\u6309Ctrl-p\uff0c\u6309Ctrl-a\uff0c\u8f93\u5165sudo\uff0c\u56de\u8f66\u3002<\/p>\n<p>\u8fd9\u91cc\u4ecb\u7ecd\u8fd9\u4e2a\u662f\u5929\u5916\u98de\u4ed9\u7ea7\u522b\u7684\uff0c\u5bf9\uff0c\u5c31\u76f4\u63a5sudo !!\u3002<\/p>\n<p>\u5f53\u7136\u8fd9\u51e0\u79cd\u89e3\u51b3\u65b9\u5f0f\u6548\u679c\u662f\u5b8c\u5168\u4e00\u6837\u7684\uff0c\u53ea\u662f\u6b3e\u4e0d\u4e00\u6837\uff0c\u55ef\uff0c\u4e0d\u89e3\u91ca\u3002<\/p>\n<p>\u4e24\u4e2a\u611f\u53f9\u53f7\u5176\u5b9e\u662fbash\u7684\u4e00\u4e2a\u7279\u6027\uff0c\u79f0\u4e3a\u4e8b\u4ef6\u5f15\u7528\u7b26\uff08event designators\uff09\u3002!!\u5176\u5b9e\u76f8\u5f53\u4e8e!-1\uff0c\u5f15\u7528\u524d\u4e00\u6761\u547d\u4ee4\uff0c\u5f53\u7136\u4e5f\u53ef\u4ee5!-2\uff0c!-50\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0bbash\u4f1a\u5728~\/.bash_history\u6587\u4ef6\u5185\u8bb0\u5f55\u7528\u6237\u6267\u884c\u7684\u6700\u8fd1500\u6761\u547d\u4ee4\uff0chistory\u547d\u4ee4\u53ef\u4ee5\u663e\u793a\u8fd9\u4e9b\u547d\u4ee4\u3002<\/p>\n<p>\u5173\u4e8e\u4e8b\u4ef6\u5f15\u7528\u7b26\u7684\u66f4\u591a\u7528\u6cd5\u53ef\u4ee5\u6df1\u5165\u9605\u8bfb\uff1a<a href=\"http:\/\/www.catonmat.net\/blog\/the-definitive-guide-to-bash-command-line-history\/\" target=\"_blank\">The Definitive Guide to Bash Command Line History<\/a>\u3002<\/p>\n<h6>2.\u4ee5HTTP\u65b9\u5f0f\u5171\u4eab\u5f53\u524d\u6587\u4ef6\u5939\u7684\u6587\u4ef6<\/h6>\n<pre class=\"lang:default decode:true\">$ python -m SimpleHTTPServer<\/pre>\n<p>\u8fd9\u547d\u4ee4\u542f\u52a8\u4e86Python\u7684SimpleHTTPServer\u6a21\u5757\uff0c\u8003\u8651\u5230Python\u5728\u7edd\u5927\u591a\u6570\u7684Linux\u53d1\u884c\u7248\u5f53\u4e2d\u90fd\u9ed8\u8ba4\u5b89\u88c5\uff0c\u6240\u4ee5\u8fd9\u4e2a\u547d\u4ee4\u5f88\u53ef\u80fd\u662f\u6700\u7b80\u5355\u7684\u8de8\u5e73\u53f0\u4f20\u6587\u4ef6\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u547d\u4ee4\u6267\u884c\u540e\u5c06\u5728\u672c\u673a8000\u7aef\u53e3\u5f00\u653eHTTP\u670d\u52a1\uff0c\u5728\u5176\u4ed6\u80fd\u8bbf\u95ee\u672c\u673a\u7684\u673a\u5668\u7684\u6d4f\u89c8\u5668\u6253\u5f00ttp:\/\/ip:8000\u5373\u6253\u5f00\u4e00\u4e2a\u76ee\u5f55\u5217\u8868\uff0c\u70b9\u51fb\u5373\u53ef\u4e0b\u8f7d\u3002<\/p>\n<h6>3.\u5728\u4ee5\u666e\u901a\u7528\u6237\u6253\u5f00\u7684VIM\u5f53\u4e2d\u4fdd\u5b58\u4e00\u4e2aROOT\u7528\u6237\u6587\u4ef6<\/h6>\n<pre class=\"lang:default decode:true\">:w !sudo tee %<\/pre>\n<p>\u8fd9\u9898\u76ee\u8bfb\u8d77\u6765\u7ea0\u7ed3\uff0c\u5176\u5b9e\u662f\u5f88\u5e38\u89c1\u7684\uff0c\u5e38\u5e38\u5fd8\u8bb0\u4e86sudo\u5c31\u76f4\u63a5\u7528vim\u7f16\u8f91\/etc\u5185\u7684\u6587\u4ef6\uff0c\uff08\u4e0d\u8fc7\u4e5f\u4e0d\u4e00\u5b9a\uff0cvim\u53d1\u73b0\u4fdd\u5b58\u7684\u6587\u4ef6\u65e0\u6cd5\u4fdd\u5b58\u65f6\u5019\u4f1a\u63d0\u793a\uff09\u7b49\u7f16\u8f91\u597d\u4e86\uff0c\u4fdd\u5b58\u65f6\u5019\u624d\u53d1\u73b0\u6ca1\u6743\u9650\u3002\u66f2\u7ebf\u65b9\u6cd5\u662f\u5148\u4fdd\u5b58\u4e2a\u4e34\u65f6\u6587\u4ef6\uff0c\u9000\u51fa\u540e\u518dsudo cp\u56de\u53bb\u3002\u4e0d\u8fc7\u5b9e\u9645\u4e0a\u5728vim\u91cc\u9762\u53ef\u4ee5\u76f4\u63a5\u5b8c\u6210\u8fd9\u4e2a\u8fc7\u7a0b\u7684\uff0c\u547d\u4ee4\u5c31\u662f\u5982\u6b64\u3002<\/p>\n<p>\u67e5\u9605vim\u7684\u6587\u6863\uff08\u8f93\u5165:help :w\uff09\uff0c\u4f1a\u63d0\u5230<strong><span style=\"color: #ff0000;\">\u547d\u4ee4:w!{cmd}\uff0c\u8ba9vim\u6267\u884c\u4e00\u4e2a\u5916\u90e8\u547d\u4ee4{cmd}\uff0c\u7136\u540e\u628a\u5f53\u524d\u7f13\u51b2\u533a\u7684\u5185\u5bb9\u4ecestdin\u4f20\u5165<\/span><\/strong>\u3002<\/p>\n<p>tee\u662f\u4e00\u4e2a\u628astdin\u4fdd\u5b58\u5230\u6587\u4ef6\u7684\u5c0f\u5de5\u5177\u3002<\/p>\n<p>\u800c%\uff0c\u662fvim\u5f53\u4e2d\u4e00\u4e2a\u53ea\u8bfb\u5bc4\u5b58\u5668\u7684\u540d\u5b57\uff0c\u603b\u4fdd\u5b58\u7740\u5f53\u524d\u7f16\u8f91\u6587\u4ef6\u7684\u6587\u4ef6\u8def\u5f84\u3002<\/p>\n<p>\u6240\u4ee5\u6267\u884c\u8fd9\u4e2a\u547d\u4ee4\uff0c\u5c31\u76f8\u5f53\u4e8e\u4ecevim\u5916\u90e8\u4fee\u6539\u4e86\u5f53\u524d\u7f16\u8f91\u7684\u6587\u4ef6\uff0c\u597d\u5b8c\u5de5\u3002<\/p>\n<h6>4.\u5207\u6362\u56de\u4e0a\u4e00\u4e2a\u76ee\u5f55<\/h6>\n<pre class=\"lang:default decode:true\">$ cd -<\/pre>\n<p>\u5e94\u8be5\u4e0d\u5c11\u4eba\u90fd\u77e5\u9053\u8fd9\u4e2a\uff0c\u6a2a\u6746-\u4ee3\u8868\u4e0a\u4e00\u4e2a\u76ee\u5f55\u7684\u8def\u5f84\u3002<\/p>\n<p><strong>\u5b9e\u9645\u4e0acd -\u5c31\u662f<span style=\"color: #ff0000;\">cd $OLDPWD<\/span>\u7684\u7b80\u5199\uff0cbash\u7684\u56fa\u5b9a\u53d8\u91cf$OLDPWD\u603b\u4fdd\u5b58\u7740\u4e4b\u524d\u4e00\u4e2a\u76ee\u5f55\u7684\u8def\u5f84<\/strong>\u3002<\/p>\n<p>\u76f8\u5bf9\u5730\uff0c$PWD\u603b\u4fdd\u5b58\u7740\u5f53\u524d\u76ee\u5f55\u7684\u8def\u5f84\u3002\u8fd9\u4e9b\u53d8\u91cf\u5728\u7f16\u5199shell\u811a\u672c\u65f6\u5019\u76f8\u5f53\u6709\u7528\u3002<\/p>\n<h6>5.\u66ff\u6362\u4e0a\u4e00\u6761\u547d\u4ee4\u4e2d\u7684\u4e00\u4e2a\u77ed\u8bed<\/h6>\n<pre class=\"lang:default decode:true\">$ ^foo^bar^<\/pre>\n<p>\u53c8\u662f\u53e6\u5916\u4e00\u4e2a<span style=\"color: #ff0000;\"><strong>\u4e8b\u4ef6\u5f15\u7528\u7b26\uff08event designator\uff09<\/strong><\/span>\uff0c\u53ef\u4ee5\u628a\u4e0a\u4e00\u6761\u547d\u4ee4\u5f53\u4e2d\u7684foo\u66ff\u6362\u6210bar\u3002<\/p>\n<p>\u5728\u9700\u8981\u91cd\u590d\u8fd0\u884c\u8c03\u8bd5\u4e00\u9053\u957f\u957f\u7684\u547d\u4ee4\uff0c\u9700\u8981\u6d4b\u8bd5\u67d0\u4e2a\u53c2\u6570\u65f6\u5019\uff0c\u7528\u8fd9\u4e2a\u547d\u4ee4\u4f1a\u6bd4\u8f83\u5b9e\u7528\uff1b\u4f46\u591a\u6570\u4eba\u4f1a\u9996\u5148\u9009\u62e9\u6309\u4e0a\u7bad\u5934\u63d0\u51fa\u4e0a\u9053\u547d\u4ee4\uff0c\u518d\u79fb\u52a8\u5149\u6807\u53bb\u4fee\u6539\u67d0\u53c2\u6570\uff0c\u8fd9\u6837\u66f4\u76f4\u89c2\uff0c\u4f46\u6548\u7387\u4e0a\u5c31\u4e0d\u591f\u4f7f\u7528\u5f15\u7528\u7b26\u9ad8\uff0c\u800c\u4e14\u5728\u811a\u672c\u4e2d\u7528\u8fd9\u4e2a\u65b9\u6cd5\u53ef\u4ee5\u7b80\u5316\u5f88\u591a\u3002<\/p>\n<p>\u8fd9\u9053\u547d\u4ee4\u7684\u539f\u59cb\u6837\u5f0f\u5e94\u8be5\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n<pre class=\"lang:default decode:true\">!!:s\/foo\/bar\/<\/pre>\n<p>\u672c\u6587\u4e00\u5f00\u59cb\u4ecb\u7ecd\u8fc7!!\uff0c\u540e\u9762\u7684\u4e00\u6bb5\u5927\u5bb6\u5e94\u8be5\u5f88\u719f\u6089\uff0cvim\u3001sed\u7684\u66ff\u6362\u64cd\u4f5c\u90fd\u662f\u8fd9\u6837\u7684\u8bed\u6cd5\u3002<\/p>\n<p>\u5173\u4e8e\u4e8b\u4ef6\u5f15\u7528\u7b26\u7684\u66f4\u591a\u7528\u6cd5\u53ef\u4ee5\u6df1\u5165\u9605\u8bfb\uff1aThe Definitive Guide to Bash Command Line History \u3002<\/p>\n<h6>6.\u5feb\u901f\u5907\u4efd\u4e00\u4e2a\u6587\u4ef6<\/h6>\n<pre class=\"lang:default decode:true\">$ cp filename{,.bak}<\/pre>\n<p>\u8fd9\u9053\u547d\u4ee4\u628afilename\u6587\u4ef6\u62f7\u8d1d\u6210filename.bak\uff0c\u5927\u5bb6\u5e94\u8be5\u5728\u4e00\u4e9b\u6bd4\u8f83\u590d\u6742\u7684\u5b89\u88c5\u6559\u7a0b\u91cc\u9762\u89c1\u8fc7\u8fd9\u6837\u7684\u7528\u6cd5\u3002\u5176\u539f\u7406\u5c31\u5728\u4e8ebash\u5bf9\u5927\u62ec\u53f7\u7684\u5c55\u5f00\u64cd\u4f5c\uff0cfilename{,.bak}\u8fd9\u4e00\u6bb5\u4f1a\u88ab\u5c55\u5f00\u6210filename filename.bak\u518d\u4f20\u7ed9cp\uff0c\u4e8e\u662f\u5c31\u6709\u4e86\u5907\u4efd\u7684\u547d\u4ee4\u4e86\u3002<\/p>\n<p>\u5927\u62ec\u53f7\u5728bash\u91cc\u9762\u662f\u4e00\u4e2a\u6392\u5217\u7684\u610f\u4e49\uff0c\u53ef\u4ee5\u8bd5\u8bd5\u8fd9\u4e2a\uff1a<\/p>\n<pre class=\"lang:default decode:true\">$ echo {a,b,c}{a,b,c}{a,b,c}<\/pre>\n<p>\u5c06\u8f93\u51fa\u4e09\u4e2a\u96c6\u5408\u7684\u5168\u6392\u5217:<\/p>\n<p>aaa aab aac aba abb abc aca acb acc<br \/>\nbaa bab bac bba bbb bbc bca bcb bcc<br \/>\ncaa cab cac cba cbb cbc cca ccb ccc<br \/>\n\u5173\u4e8eshell\u5f53\u4e2d\u7684\u96c6\u5408\u64cd\u4f5c\uff0c\u53ef\u6df1\u5165\u9605\u8bfb&#8221;<a href=\"http:\/\/www.catonmat.net\/blog\/set-operations-in-unix-shell\/\">Set Operations in the Unix Shell<\/a>&#8221;<\/p>\n<h6>7.\u514d\u5bc6\u7801SSH\u767b\u5f55\u4e3b\u673a<\/h6>\n<pre class=\"lang:default decode:true\">$ ssh-copy-id remote-machine<\/pre>\n<p>\u8fd9\u4e2a\u547d\u4ee4\u628a\u5f53\u524d\u7528\u6237\u7684\u516c\u94a5\u4e32\u5199\u5165\u5230\u8fdc\u7a0b\u4e3b\u673a\u7684~\/.ssh\/authorized_keys\u5185\uff0c\u8fd9\u6837\u4e0b\u6b21\u4f7f\u7528ssh\u767b\u5f55\u7684\u65f6\u5019\uff0c\u8fdc\u7a0b\u4e3b\u673a\u5c31\u76f4\u63a5\u6839\u636e\u8fd9\u4e32\u5bc6\u94a5\u5b8c\u6210\u8eab\u4efd\u6821\u9a8c\uff0c\u4e0d\u518d\u8be2\u95ee\u5bc6\u7801\u4e86\u3002\u524d\u63d0\u662f\u4f60\u5f53\u524d\u7528\u6237\u6709\u751f\u6210\u4e86\u516c\u94a5\uff0c\u9ed8\u8ba4\u662f\u6ca1\u6709\u7684\uff0c\u5148\u6267\u884cssh-keygen\u8bd5\u8bd5\u5427\uff01<\/p>\n<p>\u8fd9\u4e2a\u547d\u4ee4\u5982\u679c\u7528\u624b\u5de5\u5b8c\u6210\uff0c\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n<pre class=\"lang:default decode:true\">your-machine$ scp ~\/.ssh\/identity.pub remote-machine:\nyour-machine$ ssh remote-machine\nremote-machine$ cat identity.pub &gt;&gt; ~\/.ssh\/authorized_keys<\/pre>\n<p>\u5982\u679c\u4f60\u60f3\u5220\u6389\u8fdc\u7a0b\u4e3b\u673a\u4e0a\u7684\u5bc6\u94a5\uff0c\u76f4\u63a5\u6253\u5f00authorized_keys\uff0c\u641c\u7d22\u4f60\u7684\u7528\u6237\u540d\uff0c\u5220\u9664\u90a3\u884c\uff0c\u5373\u53ef\u3002<\/p>\n<h6>8.\u6293\u53d6Linux\u684c\u9762\u7684\u89c6\u9891<\/h6>\n<pre class=\"lang:default decode:true\">$ ffmpeg -f x11grab -s wxga -r 25 -i :0.0 -sameq \/tmp\/out.mpg<\/pre>\n<p>\u6211\u4eec\u5728\u4e00\u4e9b\u89c6\u9891\u7f51\u7ad9\u4e0a\u770b\u5230\u522b\u4eba\u76843D\u684c\u9762\u600e\u4e48\u600e\u4e48\u9177\u7684\u89c6\u9891\uff0c\u901a\u5e38\u5c31\u662f\u8fd9\u4e48\u6765\u7684\uff0cffmpeg\u53ef\u4ee5\u76f4\u63a5\u89e3\u7801X11\u7684\u56fe\u5f62\uff0c\u5e76\u8f6c\u6362\u5230\u76f8\u5e94\u8f93\u51fa\u683c\u5f0f\u3002<\/p>\n<p>ffmpeg\u7684\u901a\u5e38\u7528\u6cd5\u662f\uff0c\u6839\u636e\u4e00\u5806\u53c2\u6570\uff0c\u8f93\u51fa\u4e00\u4e2a\u6587\u4ef6\uff0c\u8f93\u51fa\u6587\u4ef6\u901a\u5e38\u653e\u6700\u540e\uff0c\u4e0b\u9762\u89e3\u6790\u4e0b\u51e0\u4e2a\u53c2\u6570\uff1a<\/p>\n<ul>\n<li>-f x11grab \u6307\u5b9a\u8f93\u5165\u7c7b\u578b\u3002\u56e0\u4e3ax11\u7684\u7f13\u51b2\u533a\u4e0d\u662f\u666e\u901a\u7684\u89c6\u9891\u6587\u4ef6\u53ef\u4ee5\u4fa6\u6d4b\u683c\u5f0f\uff0c\u5fc5\u987b\u6307\u5b9a\u540effmpeg\u624d\u77e5\u9053\u5982\u4f55\u83b7\u5f97\u8f93\u5165\u3002<\/li>\n<li>-s wxga \u8bbe\u7f6e\u6293\u53d6\u533a\u57df\u7684\u5927\u5c0f\u3002wxga\u662f1366*768\u7684\u6807\u51c6\u8bf4\u6cd5\uff0c\u4e5f\u53ef\u4ee5\u6362\u6210-s 800\u00d7600\u7684\u5199\u6cd5\u3002<\/li>\n<li>-r 25 \u8bbe\u7f6e\u5e27\u7387\uff0c\u5373\u6bcf\u79d2\u6293\u53d6\u7684\u753b\u9762\u6570\u3002<\/li>\n<li>-i :0.0 \u8bbe\u7f6e\u8f93\u5165\u6e90\uff0c\u672c\u5730X\u9ed8\u8ba4\u57280.0<\/li>\n<li>-sameq \u4fdd\u6301\u8ddf\u8f93\u5165\u6d41\u4e00\u6837\u7684\u56fe\u50cf\u8d28\u91cf\uff0c\u4ee5\u7528\u6765\u540e\u671f\u5904\u7406\u3002<\/li>\n<\/ul>\n<p>\u81f3\u4e8e\u5176\u4ed6ffmpeg\u7684\u7528\u6cd5\uff0c\u53ef\u4ee5\u53c2\u8003\u4e0b\u9762\u4e24\u7bc7\u6587\u7ae0\uff1a<\/p>\n<ul>\n<li><a href=\"http:\/\/www.catonmat.net\/blog\/how-to-extract-audio-tracks-from-youtube-videos\/\">How to Extract Audio Tracks from YouTube Videos<\/a><\/li>\n<li><a href=\"http:\/\/www.catonmat.net\/blog\/converting-youtube-flvs-to-a-better-format-with-ffmpeg\">Converting YouTube Flash Videos to a Better Format with ffmpeg<\/a><\/li>\n<\/ul>\n<p>==<\/p>\n<h6>1.\u7528\u4f60\u6700\u559c\u6b22\u7684\u7f16\u8f91\u5668\u6765\u6572\u547d\u4ee4<\/h6>\n<pre class=\"lang:default decode:true\">command &lt;CTRL-x CTRL-e&gt;<\/pre>\n<p><span style=\"line-height: 1.5;\">\u5728\u5df2\u7ecf\u6572\u5b8c\u7684\u547d\u4ee4\u540e\u6309 &lt;CTRL-x CTRL-e&gt; \uff0c\u4f1a\u6253\u5f00\u4e00\u4e2a\u4f60\u6307\u5b9a\u7684\u7f16\u8f91\u5668\uff08\u6bd4\u5982vim\uff0c\u901a\u8fc7\u73af\u5883\u53d8\u91cf$EDITOR\u6307\u5b9a\uff09\uff0c\u91cc\u9762\u5c31\u662f\u4f60\u521a\u8f93\u5165\u7684\u547d\u4ee4\uff0c\u7136\u540e\u7231\u600e\u4e48\u7f16\u8f91\u5c31\u600e\u4e48\u7f16\u8f91\u5427\uff0c\u7279\u522b\u662f\u90a3\u4e9b\u53c2\u6570\u5f02\u5e38\u590d\u6742\u7684\u7a0b\u5e8f\uff0c\u6bd4\u5982mencoder\/ffmpeg\uff0c\u4e00\u4e2a\u547d\u4ee4\u52a8\u8f843\u30014\u884c\u7684\uff0c\u8981\u4fee\u6539\u5176\u4e2d\u7684\u53c2\u6570\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u6700\u5408\u9002\u4e0d\u8fc7\u4e86\uff0c\u4fdd\u5b58\u9000\u51fa\u540e\u81ea\u52a8\u6267\u884c\u8fd9\u4e2a\u7a0b\u5e8f\u3002<\/span><\/p>\n<p>\u5b9e\u9645\u4e0a\u8fd9\u662f<a href=\"http:\/\/tiswww.case.edu\/php\/chet\/readline\/rltop.html\">readline<\/a>\u5e93\u7684\u529f\u80fd\uff0c\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cbash\u4f7f\u7528\u7684\u662femacs\u6a21\u5f0f\u7684\u547d\u4ee4\u884c\u64cd\u4f5c\u65b9\u5f0f\uff0c &lt;CTRL-x CTRL-e&gt;\u662f\u8c03\u7528\u8fd9\u4e2a\u529f\u80fd\u7684\u4e00\u4e2a\u7ed1\u5b9a\u3002\u5982\u679c\u4f60\u4e60\u60ef\u4f7f\u7528vi\u6a21\u5f0f\uff0c\u6309 &lt;ESC v&gt; \u53ef\u4ee5\u5b9e\u73b0\u540c\u6837\u529f\u80fd\u3002<\/p>\n<p>\u5982\u679c\u4f60\u559c\u6b22\u522b\u7684\u7f16\u8f91\u5668\uff0c\u53ef\u4ee5\u5728~\/.bashrc\u91cc\u9762\u653e\u4e0a\u6bd4\u5982export EDITOR=nano\u7684\u547d\u4ee4\u3002<\/p>\n<p>\u53e6\u5916\u4e00\u4e2a\u4fee\u6539\u547d\u4ee4\u7684\u65b9\u6cd5\u662f\u4f7f\u7528fc\u547d\u4ee4\uff08Fix Command\uff09\uff0c\u5728\u7f16\u8f91\u5668\u91cc\u9762\u6253\u5f00\u4e0a\u4e00\u53e5\u547d\u4ee4\u3002\u6211\u4eec\u7684<a href=\"http:\/\/www.isspy.com\/most_useful_linux_commands_1\/\">\u7b2c\u4e00\u8f91<\/a>\u8fde\u8f7d\u63d0\u8fc7\u4e00\u4e2a^foo^bar^\u547d\u4ee4\u53ef\u4ee5\u7528fc\u6765\u5b9e\u73b0\uff1afc -s foo=bar\u3002<\/p>\n<h6>2.\u6e05\u7a7a\u6216\u521b\u5efa\u4e00\u4e2a\u6587\u4ef6<\/h6>\n<pre class=\"lang:default decode:true\">&gt; file.txt<\/pre>\n<p><span style=\"line-height: 1.5;\">&gt;\u5728shell\u91cc\u9762\u662f\u6807\u51c6\u8f93\u51fa\u91cd\u5b9a\u5411\u7b26\uff0c\u5373\u628a\uff08\u524d\u90e8\u4e2a\u547d\u4ee4\u7684\uff09\u547d\u4ee4\u884c\u8f93\u51fa\u8f6c\u5f80\u4e00\u4e2a\u6587\u4ef6\u5185\uff0c\u4f46\u8fd9\u91cc\u6ca1\u6709&#8221;\u524d\u90e8\u547d\u4ee4&#8221;\uff0c\u8f93\u51fa\u4e3a\u7a7a\uff0c\u4e8e\u662f\u5c31\u8986\u76d6\uff08\u6216\u521b\u5efa\uff09\u6210\u4e00\u4e2a\u7a7a\u6587\u4ef6\u4e86\u3002<\/span><\/p>\n<p>\u6709\u4e9b\u811a\u672c\u7684\u5199\u6cd5\u662f:&gt;file.txt\uff0c\u56e0\u4e3a:\u662fbash\u9ed8\u8ba4\u5b58\u5728\u7684\u7a7a\u51fd\u6570\u3002<\/p>\n<p>\u5355\u7eaf\u521b\u5efa\u6587\u4ef6\u4e5f\u53ef\u4ee5\u7528$touch file.txt\uff0ctouch\u672c\u6765\u662f\u7528\u4f5c\u4fee\u6539\u6587\u4ef6\u7684\u65f6\u95f4\u6233\uff0c\u4f46\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u5c31\u81ea\u52a8\u521b\u5efa\u4e86\u3002<\/p>\n<h6>3.\u7528SSH\u521b\u5efa\u7aef\u53e3\u8f6c\u53d1\u901a\u9053<\/h6>\n<pre class=\"lang:default decode:true\">ssh -N -L2001:remotehost:80 user@somemachine<\/pre>\n<p><span style=\"line-height: 1.5;\">\u8fd9\u4e2a\u547d\u4ee4\u5728\u672c\u673a\u6253\u5f00\u4e862001\u7aef\u53e3\uff0c\u5bf9\u672c\u673a2001\u7aef\u53e3\u7684\u8bf7\u6c42\u901a\u8fc7somemachine\u4f5c\u4e3a\u8df3\u677f\uff0c\u8f6c\u5230remotehost\u768480\u7aef\u53e3\u4e0a\u3002<\/span><\/p>\n<p>\u5b9e\u73b0\u6548\u679c\u8ddf\u672f\u8bed\u53cd\u5411\u4ee3\u7406\u662f\u76f8\u4f3c\u7684\uff0c\u5b9e\u9645\u4e0a\u5c31\u662f\u7aef\u53e3\u8f6c\u53d1\uff0c\u6ce8\u610f\u4e0a\u9762\u7684\u63cf\u8ff0\u6d89\u53ca\u4e863\u53f0\u4e3b\u673a\uff0c\u4f46\u5f53\u7136somemachine\u53ef\u4ee5\u53d8\u6210localhost\u3002<\/p>\n<p>\u8fd9\u4e2a\u547d\u4ee4\u6bd4\u8f83\u62bd\u8c61\uff0c\u4f46\u6709\u65f6\u5019\u662f\u5f88\u6709\u7528\u7684\uff0c\u6bd4\u5982\u56e0\u4e3a\u4f17\u6240\u5468\u77e5\u7684\u539f\u56e0\u56fd\u5185\u7684IP\u768480\u7aef\u53e3\u65e0\u6cd5\u4f7f\u7528\uff0c\u53c8\u6216\u8005\u516c\u53f8\u7684\u9632\u706b\u5899\u53ea\u7ed9\u5916\u7f51\u5f00\u4e86ssh\u7aef\u53e3\uff0c\u9700\u8981\u8bbf\u95ee\u5185\u90e8\u670d\u52a1\u5668\u4e00\u4e2aweb\u5e94\u7528\uff0c\u4ee5\u53ca\u9700\u8981\u8bbf\u95ee\u67d0\u4e9b\u9650\u5b9a\u4e86\u6765\u6e90IP\u7684\u670d\u52a1\uff0c\u5c31\u53ef\u4ee5\u7528\u4e0a\u8fd9\u4e2a\u65b9\u6cd5\u4e86\u3002<\/p>\n<p>\u4e3e\u4e00\u4e2a\u5177\u4f53\u4f8b\u5b50\uff0c\u8fd0\u884c\uff1a<\/p>\n<pre class=\"lang:default decode:true\">ssh -f -N -L 0.0.0.0:443:twitter.com:443 shell.cjb.net\nssh -f -N -L 0.0.0.0:80:twitter.com:80 shell.cjb.net<\/pre>\n<p>\u7136\u540e\u5728\/etc\/hosts\u91cc\u9762\u6dfb\u52a0127.0.0.1 twitter.com\uff0c\u597d\u5427\u5269\u4e0b\u7684\u4f60\u61c2\u7684\u3002<\/p>\n<p>\u5f53\u7136\u901a\u5e38\u505a\u8fd9\u4e2a\u529f\u80fd\u7684\u53cd\u5411\u4ee3\u7406\uff0c\u5e94\u8be5\u8981\u7528squid\u3001nginx\u4e4b\u7c7b\uff0cssh\u5c31\u7b97\u662f\u8f7b\u91cf\u7ea7\u7684\u5c1d\u8bd5\u5427\uff01<\/p>\n<h6>4.\u91cd\u7f6e\u7ec8\u7aef<\/h6>\n<pre class=\"lang:default decode:true\">reset<\/pre>\n<p>\u5982\u679c\u4f60\u8bd5\u8fc7\u4e0d\u5c0f\u5fc3cat\u4e86\u67d0\u4e2a\u4e8c\u8fdb\u5236\u6587\u4ef6\uff0c\u5f88\u53ef\u80fd\u6574\u4e2a\u7ec8\u7aef\u5c31\u50bb\u6389\u4e86\uff0c\u53ef\u80fd\u4e0d\u4f1a\u6362\u884c\uff0c\u6ca1\u6cd5\u56de\u663e\uff0c\u5927\u5806\u4e71\u7801\u4e4b\u7c7b\u7684\uff0c\u8fd9\u65f6\u5019\u6572\u5165reset\u56de\u8f66\uff0c\u4e0d\u7ba1\u547d\u4ee4\u6709\u6ca1\u6709\u663e\u793a\uff0c\u5c31\u80fd\u56de\u590d\u6b63\u5e38\u4e86\u3002<\/p>\n<p>\u5b9e\u9645\u4e0areset\u547d\u4ee4\u53ea\u662f\u8f93\u51fa\u4e86\u4e00\u4e9b\u7279\u6b8a\u5b57\u7b26\uff0c\u6211\u4eec\u770bBusyBox\u91cc\u9762\u6700\u7b80\u5355\u7684reset\u7a0b\u5e8f\u7684\u5b9e\u73b0\uff1a<\/p>\n<pre class=\"lang:default decode:true\">printf(\"\\033c\\033(K\\033[J\\033[0m\\033[?25h\");<\/pre>\n<p><span style=\"line-height: 1.5;\">\u8f93\u51fa\u7684\u8fd9\u4e9b\u5b57\u7b26\u5bf9Shell\u662f\u6709\u7279\u6b8a\u610f\u4e49\u7684\uff1a<\/span><\/p>\n<pre class=\"lang:default decode:true\">\\033c: \"ESC c\" - \u53d1\u9001\u91cd\u7f6e\u547d\u4ee4;\n\\033(K: \"ESC ( K\" - \u91cd\u8f7d\u7ec8\u7aef\u7684\u5b57\u7b26\u6620\u5c04;\n\\033[J: \"ESC [ J\" - \u6e05\u7a7a\u7ec8\u7aef\u5185\u5bb9;\n\\033[0m: \"ESC [ 0 m\" - \u521d\u59cb\u5316\u5b57\u7b26\u663e\u793a\u5c5e\u6027;\n\\033[?25h: \"ESC [ ? 25 h\" - \u8ba9\u5149\u6807\u53ef\u89c1;<\/pre>\n<p>\u5176\u4e2d\u5b57\u7b26\u663e\u793a\u5c5e\u6027\u7ecf\u5e38\u7528\u6765\u8bbe\u5b9a\u6253\u5370\u5b57\u7b26\u7684\u989c\u8272\u7b49\uff0c\u53ef\u53c2\u8003\u8fd9\u4e2a<a href=\"http:\/\/linuxshellaccount.blogspot.com\/2008\/03\/using-color-in-linux-or-unix-shell.html\">\u535a\u6587<\/a>\u3002<\/p>\n<h6>5.\u5728\u5348\u591c\u7684\u65f6\u5019\u6267\u884c\u67d0\u547d\u4ee4<\/h6>\n<pre class=\"lang:default decode:true\">echo cmd | at midnight<\/pre>\n<p><span style=\"line-height: 1.5;\">\u8bf4\u7684\u5c31\u662fat\u8fd9\u4e2a\u7ec4\u4ef6\uff0c\u901a\u5e38\u8ddfcron\u76f8\u63d0\u5e76\u8bba\uff0c\u4e0d\u8fc7at\u4e3b\u8981\u7528\u4e8e\u5b9a\u65f6\u4e00\u6b21\u6027\u4efb\u52a1\uff0c\u800ccron\u5b9a\u65f6\u5468\u671f\u6027\u4efb\u52a1\u3002<\/span><\/p>\n<p>at\u7684\u53c2\u6570\u6bd4\u8f83\u4eba\u6027\u5316\uff0c\u8ddf\u82f1\u8bed\u8bed\u6cd5\u4e00\u6837\uff0c\u53ef\u4ee5tomorrow, next week\u4e4b\u7c7b\u7684\uff0c\u8be6\u7ec6\u7684\u67e5\u770b\u624b\u518cman at\u3002<\/p>\n<h6>6.\u8fdc\u7a0b\u4f20\u9001\u9ea6\u514b\u98ce\u8bed\u97f3<\/h6>\n<pre class=\"lang:default decode:true\">dd if=\/dev\/dsp | ssh username@host dd of=\/dev\/dsp<\/pre>\n<p><span style=\"line-height: 1.5;\">\u6ca1\u9519\u5c31\u662f\u5b9e\u73b0\u4e00\u4e2a\u558a\u8bdd\u5668\u7684\u529f\u80fd\u3002<\/span><\/p>\n<p>\/dev\/dsp\u662fLinux\u4e0b\u58f0\u5361\u7684\u6587\u4ef6\u6620\u5c04\uff08Digital Signal Proccessor\uff09\uff0c\u4ece\u5176\u4e2d\u8bfb\u6570\u636e\u5c31\u662f\u5f55\u97f3\uff0c\u5f80\u91cc\u9762\u5199\u6570\u636e\u5c31\u662f\u64ad\u653e\uff0c\u76f8\u5f53\u7b80\u5355\uff01<\/p>\n<p>dd\u662f\u5e38\u7528\u7684\u6570\u636e\u62f7\u8d1d\u7a0b\u5e8f\uff0c\u5982\u679c\u4e0d\u540c\u65f6\u6307\u5b9aif\u3001of\uff0c\u5c31\u76f4\u63a5\u4f7f\u7528stdin\/stdout\u6765\u4f20\u8f93\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6ca1\u6709\u8fdc\u7a0b\u4e3b\u673a\uff0c\u53ef\u4ee5\u8bd5\u8bd5\u8fd9\u6837\uff1a<\/p>\n<pre class=\"lang:default decode:true\">dd if=\/dev\/dsp of=\/dev\/dsp<\/pre>\n<p><span style=\"line-height: 1.5;\">\u76f4\u63a5\u56de\u653e\u9ea6\u514b\u98ce\u7684\u58f0\u97f3\uff0c\u53ea\u662f\u6709\u4e00\u70b9\u5ef6\u65f6\u3002<\/span><\/p>\n<p>\u4f46\u662f\u5982\u679c\u6709\u522b\u7684\u7a0b\u5e8f\u6b63\u5728\u4f7f\u7528\u58f0\u5361\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u5c31\u4e0d\u51d1\u6548\u4e86\uff0c\u56e0\u4e3a\u4e00\u822c\u7684\u58f0\u5361\u90fd\u4e0d\u5141\u8bb8\u591a\u4e2a\u97f3\u9891\u6d41\u540c\u65f6\u5904\u7406\uff0c\u53ef\u4ee5\u501f\u7528alsa\u7ec4\u4ef6\u7684\u5de5\u5177\uff0carecord\u8ddfaplay:<\/p>\n<pre class=\"lang:default decode:true\">arecord | ssh username@host aplay<\/pre>\n<p><span style=\"line-height: 1.5;\">\u672c\u5730\u56de\u653e\u5c31\u662f\uff1a<\/span><\/p>\n<pre class=\"lang:default decode:true\">arecord | aplay<\/pre>\n<p><span style=\"line-height: 1.5;\">\u5982\u679c\u4f60\u60f3\u5413\u5413\u522b\u4eba\uff1a<\/span><\/p>\n<pre class=\"lang:default decode:true\">cat \/dev\/urandom | ssh username@host aplay<\/pre>\n<p><span style=\"font-weight: bold; line-height: 1.5;\">7.\u6620\u5c04\u4e00\u4e2a\u5185\u5b58\u76ee\u5f55<\/span><\/p>\n<pre class=\"lang:default decode:true\">mount -t tmpfs -o size=1024m tmpfs \/mnt\/ram<\/pre>\n<p><span style=\"line-height: 1.5;\">\u8fd9\u4e2a\u547d\u4ee4\u5f00\u4e86\u4e00\u57571G\u5185\u5b58\u6765\u5f53\u76ee\u5f55\u7528\u3002\u4e0d\u8fc7\u653e\u5fc3\uff0c\u5982\u679c\u91cc\u9762\u6ca1\u6587\u4ef6\uff0c\u662f\u4e0d\u4f1a\u5360\u7528\u5185\u5b58\u7684\uff0c\u7528\u591a\u5c11\u5360\u591a\u5c11\u3002<\/span><\/p>\n<p>\u4e0d\u8fc7\u4e00\u822c\u6765\u8bf4\u6ca1\u5fc5\u8981\u624b\u52a8\u6302\u8f7d\uff0c\u56e0\u4e3a\u591a\u6570\u53d1\u884c\u7248\u90fd\u4f1a\u5728fstab\u5185\u9884\u7559\u4e86\u4e00\u4e2a\u5185\u5b58\u76ee\u5f55\uff0c\u6302\u8f7d\u5728\/dev\/shm\uff0c\u76f4\u63a5\u4f7f\u7528\u5373\u53ef\uff1b<\/p>\n<p>\u6700\u5e38\u89c1\u7684\u7528\u9014\u662f\u7528\u5185\u5b58\u7a7a\u95f4\u6765\u653eFirefox\u7684\u914d\u7f6e\uff0c\u53ef\u4ee5\u8ba9\u6162\u541e\u541e\u7684FF\u5feb\u5f88\u591a\uff0c\u53c2\u89c1Shellex\u7684\u535a\u6587\uff1a<a href=\"http:\/\/shellex.info\/speeding-up-firefox-with-tmpfs\/\">\u7528tmpfs\u8ba9Firefox\u5728\u5185\u5b58\u4e2d\u98de\u9a70<\/a>\uff0c\u4ee5\u53ca\u540e\u6765\u7684\u6539\u8fdb\uff1a<a href=\"http:\/\/shellex.info\/speeding-up-firefox-with-tmpfs-ii\/\">\u7528tmpfs\u8ba9Firefox\u5728\u5185\u5b58\u4e2d\u98de\u9a70II<\/a>\uff0c\u5176\u4e2d\u63d0\u5230\u7684\u811a\u672c\u6765\u81ea<a href=\"http:\/\/www.linuxized.com\/2009\/05\/speeding-up-firefox-with-tmpfs-and-automatic-rsync\/\">speeding up firefox with tmpfs and automatic rsync<\/a>\u3002<\/p>\n<p>\u90a3\u4e2a\u7834\u70c2LinuxQQ\u4e5f\u53ef\u4ee5\u7528\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u51cf\u5c11\u56e0\u4e3a\u5927\u91cf\u78c1\u76d8IO\u5bfc\u81f4\u7684\u95ee\u9898\u3002<\/p>\n<h6>8.\u7528DIFF\u5bf9\u6bd4\u8fdc\u7a0b\u6587\u4ef6\u8ddf\u672c\u5730\u6587\u4ef6<\/h6>\n<pre class=\"lang:default decode:true\">ssh user@host cat \/path\/to\/remotefile | diff \/path\/to\/localfile -<\/pre>\n<p>diff\u901a\u5e38\u7684\u7528\u6cd5\u662f\u4ece\u53c2\u6570\u8bfb\u5165\u4e24\u4e2a\u6587\u4ef6\uff0c\u800c\u547d\u4ee4\u91cc\u9762\u7684-\u5219\u662f\u6307\u4ecestdin\u8bfb\u5165\u4e86\u3002<\/p>\n<p>\u5584\u7528ssh\u53ef\u4ee5\u8ba9web\u5f00\u53d1\u51cf\u5c11\u5f88\u591a\u7e41\u7410\uff0c\u8fd8\u6709\u6bd4\u5982sshfs\uff0c\u53ef\u4ee5\u4ece\u7f16\u8f91-\u4e0a\u4f20-\u7f16\u8f91-\u4e0a\u4f20\u7684\u4eba\u5de5\u5faa\u73af\u91cc\u9762\u89e3\u8131\u51fa\u6765\u3002<\/p>\n<h6>9.\u67e5\u770b\u7cfb\u7edf\u4e2d\u5360\u7528\u7aef\u53e3\u7684\u8fdb\u7a0b<\/h6>\n<pre class=\"lang:default decode:true\">netstat -tulnp<\/pre>\n<p><span style=\"line-height: 1.5;\">Netstat\u662f\u5f88\u5e38\u7528\u7684\u7528\u6765\u67e5\u770bLinux\u7f51\u7edc\u7cfb\u7edf\u7684\u5de5\u5177\u4e4b\u4e00\uff0c\u8fd9\u4e2a\u53c2\u6570\u53ef\u4ee5\u80cc\u4e0b\u6765\uff1a<\/span><\/p>\n<ul>\n<li>-t: \u663e\u793aTCP\u94fe\u63a5\u4fe1\u606f<\/li>\n<li>-u: \u663e\u793aUDP\u94fe\u63a5\u4fe1\u606f<\/li>\n<li>-l: \u663e\u793a\u76d1\u542c\u72b6\u6001\u7684\u7aef\u53e3<\/li>\n<li>-n: \u76f4\u63a5\u663e\u793aip\uff0c\u4e0d\u505a\u540d\u79f0\u8f6c\u6362<\/li>\n<li>-p: \u663e\u793a\u76f8\u5e94\u7684\u8fdb\u7a0bPID\u4ee5\u53ca\u540d\u79f0\uff08\u8981root\u6743\u9650\uff09<\/li>\n<\/ul>\n<p>\u5982\u679c\u8981\u67e5\u770b\u5173\u4e8esockets\u66f4\u8be6\u7ec6\u5360\u7528\u4fe1\u606f\u7b49\uff0c\u53ef\u4ee5\u4f7f\u7528lsof\u5de5\u5177\u3002<\/p>\n<p>==<\/p>\n<ol>\n<li>\n<h6>\u66f4\u53cb\u597d\u7684\u663e\u793a\u5f53\u524d\u6302\u8f7d\u7684\u6587\u4ef6\u7cfb\u7edf<\/h6>\n<\/li>\n<\/ol>\n<pre class=\"lang:default decode:true\">mount | column -t<\/pre>\n<p><span style=\"line-height: 1.5;\">\u8fd9\u6761\u547d\u4ee4\u9002\u7528\u4e8e\u4efb\u4f55\u6587\u4ef6\u7cfb\u7edf\uff0ccolumn \u7528\u4e8e\u628a\u8f93\u51fa\u7ed3\u679c\u8fdb\u884c\u5217\u8868\u683c\u5f0f\u5316\u64cd\u4f5c\uff0c\u8fd9\u91cc\u6700\u4e3b\u8981\u7684\u76ee\u7684\u662f\u8ba9\u5927\u5bb6\u719f\u6089\u4e00\u4e0b column \u7684\u7528\u6cd5\u3002<\/span><\/p>\n<p>\u4e0b\u9762\u662f\u5355\u5355\u4f7f\u7528 mount \u547d\u4ee4\u7684\u7ed3\u679c\uff1a<\/p>\n<pre class=\"lang:default decode:true\">$ mount\n\/dev\/root on \/ type ext3 (rw)\u00a0\n\/proc on \/proc type proc (rw)\u00a0\n\/dev\/mapper\/lvmraid-home on \/home type ext3 (rw,noatime)<\/pre>\n<p>\u800c\u52a0\u4e86 column -t \u547d\u4ee4\u540e\u5c31\u6210\u4e3a\u8fd9\u6837\u4e86\uff1a<\/p>\n<pre class=\"lang:default decode:true\">$ mount | column -t\n\/dev\/root on \/ type ext3 (rw)\u00a0\n\/proc on \/proc type proc (rw)\u00a0\n\/dev\/mapper\/lvmraid-home on \/home type ext3 (rw,noatime)<\/pre>\n<p>\u53e6\u5916\u4f60\u53ef\u52a0\u4e0a\u5217\u540d\u79f0\u6765\u6539\u5584\u8f93\u51fa\u7ed3\u679c<\/p>\n<pre class=\"lang:default decode:true\">$ (echo \"DEVICE - PATH - TYPE FLAGS\" &amp;&amp; mount) | column -t\nDEVICE - PATH - TYPE FLAGS\u00a0\n\/dev\/root on \/ type ext3 (rw)\u00a0\n\/proc on \/proc type proc (rw)\u00a0\n\/dev\/mapper\/lvmraid-home on \/home type ext3 (rw,noatime)<\/pre>\n<p>\u52172\u548c\u52174\u5e76\u4e0d\u662f\u5f88\u53cb\u597d\uff0c\u6211\u4eec\u53ef\u4ee5\u7528 awk \u6765\u518d\u5904\u7406\u4e00\u4e0b<\/p>\n<pre class=\"lang:default decode:true\">$ (echo \"DEVICE PATH TYPE FLAGS\" &amp;&amp; mount | awk '$2=$4=\"\";1') | column -t\nDEVICE PATH TYPE FLAGS\u00a0\n\/dev\/root \/ ext3 (rw)\u00a0\n\/proc \/proc proc (rw)\u00a0\n\/dev\/mapper\/lvmraid-home \/home ext3 (rw,noatime)<\/pre>\n<p>\u6700\u540e\u6211\u4eec\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e2a\u522b\u540d\uff0c\u4e3a nicemount<\/p>\n<pre class=\"lang:default decode:true\">$ nicemount() { (echo \"DEVICE PATH TYPE FLAGS\" &amp;&amp; mount | awk '$2=$4=\"\";1') | column -t; }<\/pre>\n<p>\u8bd5\u4e00\u4e0b<\/p>\n<pre class=\"lang:default decode:true\">$ nicemount\nDEVICE PATH TYPE FLAGS\u00a0\n\/dev\/root \/ ext3 (rw)\u00a0\n\/proc \/proc proc (rw)\u00a0\n\/dev\/mapper\/lvmraid-home \/home ext3 (rw,noatime)<\/pre>\n<ol start=\"2\">\n<li>\n<h6>\u8fd0\u884c\u524d\u4e00\u4e2a Shell \u547d\u4ee4\uff0c\u540c\u65f6\u7528 &#8220;bar&#8221; \u66ff\u6362\u6389\u547d\u4ee4\u884c\u4e2d\u7684\u6bcf\u4e00\u4e2a &#8220;foo&#8221;<\/h6>\n<\/li>\n<\/ol>\n<pre class=\"lang:default decode:true\">!!:gs\/foo\/bar<\/pre>\n<p><span style=\"line-height: 1.5;\">!! \u8868\u793a\u91cd\u590d\u6267\u884c\u4e0a\u4e00\u6761\u547d\u4ee4\uff0c\u5e76\u7528 :gs\/foo\/bar \u8fdb\u884c\u66ff\u6362\u64cd\u4f5c\u3002<\/span><\/p>\n<p>\u5173\u4e8e !! \u8fd9\u4e2a\u7528\u6cd5\u5728<a href=\"http:\/\/wowubuntu.com\/linux_shell_1.html\">\u524d\u4e00\u7bc7\u6587\u7ae0\u4e2d<\/a>\u5df2\u6709\u8be6\u7ec6\u7684\u4ecb\u7ecd\u3002<\/p>\n<ol start=\"3\">\n<li>\n<h6>\u5b9e\u65f6\u67d0\u4e2a\u76ee\u5f55\u4e0b\u67e5\u770b\u6700\u65b0\u6539\u52a8\u8fc7\u7684\u6587\u4ef6<\/h6>\n<\/li>\n<\/ol>\n<pre class=\"lang:default decode:true\">watch -d -n 1 'df; ls -FlAt \/path'<\/pre>\n<p>\u5728\u4f7f\u7528\u8fd9\u6761\u547d\u4ee4\u65f6\u4f60\u9700\u8981\u66ff\u6362\u5176\u4e2d\u7684 \/path \u90e8\u5206\uff0cwatch \u662f\u5b9e\u65f6\u76d1\u63a7\u5de5\u5177\uff0c-d \u53c2\u6570\u4f1a\u9ad8\u4eae\u663e\u793a\u53d8\u5316\u7684\u533a\u57df\uff0c-n 1 \u53c2\u6570\u8868\u793a\u5237\u65b0\u95f4\u9694\u4e3a 1 \u79d2\u3002<\/p>\n<p>df; ls -FlAt \/path \u8fd0\u884c\u4e86\u4e24\u6761\u547d\u4ee4\uff0cdf \u662f\u8f93\u51fa\u78c1\u76d8\u4f7f\u7528\u60c5\u51b5\uff0cls -FlAt \u5219\u5217\u51fa \/path \u4e0b\u9762\u7684\u6240\u6709\u6587\u4ef6\u3002<\/p>\n<p><span style=\"color: #ff0000;\"><strong>ls -FlAt \u7684\u53c2\u6570\u8be6\u89e3<\/strong><\/span>\uff1a<\/p>\n<ul>\n<li>-F \u5728\u6587\u4ef6\u540e\u9762\u52a0\u4e00\u4e2a\u6587\u4ef6\u7b26\u53f7\u8868\u793a\u6587\u4ef6\u7c7b\u578b\uff0c\u5171\u6709 *\/=&gt;@| \u8fd9\u51e0\u79cd\u7c7b\u578b\uff0c* \u8868\u793a\u53ef\u6267\u884c\u6587\u4ef6\uff0c\/ \u8868\u793a\u76ee\u5f55\uff0c= \u8868\u793a\u63a5\u53e3( sockets) \uff0c&gt; \u8868\u793a\u95e8\uff0c @ \u8868\u793a\u7b26\u53f7\u94fe\u63a5\uff0c | \u8868\u793a\u7ba1\u9053\u3002<\/li>\n<li>-l \u4ee5\u5217\u8868\u65b9\u5f0f\u663e\u793a<\/li>\n<li>-A \u663e\u793a . \u548c ..<\/li>\n<li>-t \u6839\u636e\u65f6\u95f4\u6392\u5e8f\u6587\u4ef6<\/li>\n<\/ul>\n<ol start=\"4\">\n<li>\n<h6>\u901a\u8fc7 SSH \u6302\u8f7d\u8fdc\u7a0b\u4e3b\u673a\u4e0a\u7684\u6587\u4ef6\u5939<\/h6>\n<\/li>\n<\/ol>\n<pre class=\"lang:default decode:true\">sshfs name@server:\/path\/to\/folder \/path\/to\/mount\/point<\/pre>\n<p><span style=\"line-height: 1.5;\">\u8fd9\u6761\u547d\u4ee4\u53ef\u4ee5\u8ba9\u4f60\u901a\u8fc7 SSH \u52a0\u8f7d\u8fdc\u7a0b\u4e3b\u673a\u4e0a\u7684\u6587\u4ef6\u7cfb\u7edf\u4e3a\u672c\u5730\u78c1\u76d8\uff0c\u524d\u63d0\u662f\u4f60\u9700\u8981\u5b89\u88c5 FUSE \u53ca sshfs \u8fd9\u4e24\u4e2a\u8f6f\u4ef6\u3002<\/span><\/p>\n<p>\u8bd1\u8005\u6ce8\uff1a\u5173\u4e8e sshfs \u5b9e\u9645\u4e0a\u6211\u4e4b\u524d\u5199\u8fc7\u4e00\u7bc7\u6587\u7ae0\u4ecb\u7ecd\u8fc7\uff0c\u8be6\u89c1&#8221;<a href=\"http:\/\/wowubuntu.com\/sshfs.html\">\u5728 Ubuntu \u4e0a\u4f7f\u7528 sshfs \u6620\u5c04\u8fdc\u7a0b ssh \u6587\u4ef6\u7cfb\u7edf\u4e3a\u672c\u5730\u78c1\u76d8<\/a>&#8220;\u3002<\/p>\n<p>\u5378\u8f7d\u7684\u8bdd\u4f7f\u7528 fusermount \u547d\u4ee4\uff1a<\/p>\n<pre class=\"lang:default decode:true\">fusermount -u \/path\/to\/mount\/point<\/pre>\n<ol start=\"5\">\n<li>\n<h6>\u901a\u8fc7 DNS \u6765\u8bfb\u53d6 Wikipedia \u7684\u8bcd\u6761<\/h6>\n<\/li>\n<\/ol>\n<pre class=\"lang:default decode:true\">dig +short txt &lt;keyword&gt;.wp.dg.cx<\/pre>\n<p><span style=\"line-height: 1.5;\">\u8fd9\u4e5f\u8bb8\u662f\u6700\u6709\u8da3\u7684\u4e00\u6761\u6280\u5de7\u4e86\uff0cDavid Leadbeater \u521b\u5efa\u4e86\u4e00\u4e2a\u00a0<\/span><a style=\"line-height: 1.5;\" href=\"https:\/\/dgl.cx\/wikipedia-dns\">DNS \u670d\u52a1\u5668<\/a><span style=\"line-height: 1.5;\">\uff0c\u901a\u8fc7\u5b83\u5f53\u4f60\u67e5\u8be2\u4e00\u4e2a TXT \u8bb0\u5f55\u7c7b\u578b\u65f6\uff0c\u4f1a\u8fd4\u56de\u4e00\u6761\u6765\u81ea\u4e8e Wikipedia \u7684\u7b80\u77ed\u7684\u8bcd\u6761\u6587\u5b57\uff0c\u8fd9\u662f<\/span><a style=\"line-height: 1.5;\" href=\"https:\/\/dgl.cx\/2008\/11\/wpdns-pres\/\">\u4ed6\u7684\u4ecb\u7ecd<\/a><span style=\"line-height: 1.5;\">\u3002<\/span><\/p>\n<p>\u8fd9\u91cc\u6709\u4e00\u4e2a\u6837\u4f8b\uff0c\u6765\u67e5\u8be2 &#8220;hacker&#8221; \u7684\u542b\u4e49\uff1a<\/p>\n<pre class=\"lang:default decode:true\">$ dig +short txt hacker.wp.dg.cx\n\n\"Hacker may refer to: Hacker (computer security), someone involved\u00a0\nin computer security\/insecurity, Hacker (programmer subculture), a\u00a0\nprogrammer subculture originating in the US academia in the 1960s,\u00a0\nwhich is nowadays mainly notable for the free software\/\" \"open\u00a0\nsource movement, Hacker (hobbyist), an enthusiastic home computer\u00a0\nhobbyist\u00a0http:\/\/a.vu\/w:Hacker\"<\/pre>\n<p>\u8fd9\u91cc\u4f7f\u7528\u4e86 dig \u547d\u4ee4\uff0c\u8fd9\u662f\u6807\u51c6\u7684\u7528\u6765\u67e5\u8be2 DNS \u7684\u7cfb\u7edf\u7ba1\u7406\u5de5\u5177\uff0c+short \u53c2\u6570\u662f\u8ba9\u5176\u4ec5\u4ec5\u8fd4\u56de\u6587\u5b57\u54cd\u5e94\uff0ctxt \u5219\u662f\u6307\u5b9a\u67e5\u8be2 TXT \u8bb0\u5f55\u7c7b\u578b\u3002<\/p>\n<p>\u66f4\u7b80\u5355\u7684\u505a\u6cd5\u662f\u4f60\u53ef\u4ee5\u4e3a\u8fd9\u4e2a\u6280\u5de7\u521b\u5efa\u4e00\u4e2a\u522b\u540d\uff1a<\/p>\n<pre class=\"lang:default decode:true\">wiki() { dig +short txt $1.wp.dg.cx; }<\/pre>\n<p><span style=\"line-height: 1.5;\">\u7136\u540e\u8bd5\u8bd5\u5427\uff1a<\/span><\/p>\n<pre class=\"lang:default decode:true\">$ wiki hacker\n\"Hacker may refer to: Hacker (computer security), ...\"<\/pre>\n<p>\u5982\u679c\u4f60\u4e0d\u60f3\u7528 dig \uff0c\u4e5f\u53ef\u4ee5\u7528 host \u547d\u4ee4\uff1a<\/p>\n<pre class=\"lang:default decode:true\">host -t txt hacker.wp.dg.cx<\/pre>\n<ol start=\"6\">\n<li>\n<h6>\u7528 Wget \u7684\u9012\u5f52\u65b9\u5f0f\u4e0b\u8f7d\u6574\u4e2a\u7f51\u7ad9<\/h6>\n<\/li>\n<\/ol>\n<pre class=\"lang:default decode:true\">wget --random-wait -r -p -e robots=off -U Mozilla www.example.com<\/pre>\n<p>\u53c2\u6570\u89e3\u91ca\uff1a<\/p>\n<pre class=\"lang:default decode:true\">--random-wait  \u7b49\u5f85 0.5 \u5230 1.5 \u79d2\u7684\u65f6\u95f4\u6765\u8fdb\u884c\u4e0b\u4e00\u6b21\u8bf7\u6c42\u00a0\n-r \u5f00\u542f\u9012\u5f52\u68c0\u7d22\u00a0\n-e robots=off  \u5ffd\u7565 robots.txt\u00a0\n-U Mozilla  \u8bbe\u7f6e User-Agent \u5934\u4e3a Mozilla<\/pre>\n<p>\u5176\u5b83\u4e00\u4e9b\u6709\u7528\u7684\u53c2\u6570\uff1a<\/p>\n<pre class=\"lang:default decode:true\">--limit-rate=20K  \u9650\u5236\u4e0b\u8f7d\u901f\u5ea6\u4e3a 20K\u00a0\n-o logfile.txt \u8bb0\u5f55\u4e0b\u8f7d\u65e5\u5fd7\u00a0\n-l 0  \u5220\u9664\u6df1\u5ea6\uff08\u9ed8\u8ba4\u4e3a5\uff09\u00a0\n--wait=1h  \u6bcf\u4e0b\u8f7d\u4e00\u4e2a\u6587\u4ef6\u540e\u7b49\u5f851\u5c0f\u65f6<\/pre>\n<ol start=\"7\">\n<li>\n<h6>\u590d\u5236\u6700\u540e\u4f7f\u7528\u7684\u547d\u4ee4\u4e2d\u7684\u53c2\u6570<\/h6>\n<\/li>\n<\/ol>\n<p><span style=\"color: #ff0000;\"><strong>ALT + . (or ESC + .)<\/strong><\/span><\/p>\n<p>\u8fd9\u4e2a\u5feb\u6377\u952e<strong>\u53ea\u80fd\u5de5\u4f5c\u4e8e shell \u7684 emacs \u7f16\u8f91\u6a21\u5f0f<\/strong>\uff0c\u5b83\u53ef\u4ee5\u4ece\u6700\u540e\u4f7f\u7528\u7684\u547d\u4ee4\u884c\u4e2d\u590d\u5236\u53c2\u6570\u5230\u5f53\u524d\u547d\u4ee4\u884c\u4e2d\uff0c\u4e0b\u9762\u662f\u4e00\u4e2a\u6837\u4f8b\uff1a<\/p>\n<pre class=\"lang:default decode:true\">$ echo a b c\u00a0\na b c\n\n$ echo &lt;Press ALT + .&gt;\u00a0\n$ echo c<\/pre>\n<p>\u4f60\u53ef\u4ee5\u91cd\u590d\u6267\u884c\u8be5\u5feb\u6377\u952e\uff0c\u4ee5\u4fbf\u83b7\u53d6\u81ea\u5df2\u9700\u8981\u7684\u53c2\u6570\uff0c<\/p>\n<p>\u4ee5\u4e0b\u662f\u6837\u4f8b\uff1a<\/p>\n<pre class=\"lang:default decode:true\">$ echo 1 2 3\u00a0\n1 2 3\u00a0\n$ echo a b c\u00a0\na b c\n\n$ echo &lt;Press ALT + .&gt;\u00a0\n$ echo c\n\n$ echo &lt;Press ALT + .&gt; again\u00a0\n$ echo 3<\/pre>\n<p>\u53e6\u5916\uff0c\u5047\u5982\u4f60\u60f3\u6307\u5b9a\u7b2c1\u4e2a\u6216\u7b2c2\u4e2a\uff0c\u6216\u8005\u662f\u7b2c n \u4e2a\u53c2\u6570\u7684\u8bdd\uff0c\u53ef\u4ee5\u6309 ALT + 1 (\u6216 ESC + 1) \u6216 ALT + 2 (\u6216 ESC +2) \u8fd9\u6837\u5f62\u5f0f\u7684\u5feb\u6377\u952e\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u6837\u4f8b\uff1a<\/p>\n<pre class=\"lang:default decode:true\">$ echo a b c\u00a0\na b c\n\n$ echo &lt;Press ALT + 1&gt; &lt;Press ALT + .&gt;\u00a0\n$ echo a\u00a0\na\n\n$ echo &lt;Press ALT + 2&gt; &lt;Press ALT + .&gt;\u00a0\n$ echo b\u00a0\nb<\/pre>\n<p>\u67e5\u770b&#8221; <a href=\"http:\/\/www.catonmat.net\/blog\/bash-emacs-editing-mode-cheat-sheet\/\">Emacs Editing Mode Keyboard Shortcuts <\/a>&#8220;\u4e00\u6587\u83b7\u53d6\u66f4\u591a\u7c7b\u4f3c\u7684\u5feb\u6377\u952e\u3002<\/p>\n<ol start=\"8\">\n<li>\n<h6>\u6267\u884c\u4e00\u6761\u547d\u4ee4\u4f46\u4e0d\u4fdd\u5b58\u5230 history \u4e2d<\/h6>\n<\/li>\n<\/ol>\n<pre class=\"lang:default decode:true\">&lt;space&gt; command<\/pre>\n<p><span style=\"line-height: 1.5;\">\u8fd9\u6761\u547d\u4ee4\u53ef\u8fd0\u884c\u4e8e\u6700\u65b0\u7684 Bash shell \u91cc\uff0c\u5728\u5176\u5b83 shell \u4e2d\u6ca1\u6d4b\u8bd5\u8fc7\u3002<\/span><\/p>\n<p>\u901a\u8fc7\u5728\u547d\u4ee4\u884c\u524d\u9762\u6dfb\u52a0\u4e00\u4e2a\u7a7a\u683c\uff0c\u5c31\u53ef\u4ee5\u963b\u6b62\u8fd9\u6761\u547d\u4ee4\u88ab\u4fdd\u5b58\u5230 bash history (~\/.bash_history) \u6587\u4ef6\u4e2d\uff0c\u8fd9\u4e2a\u884c\u4e3a\u53ef\u4ee5\u901a\u8fc7 $HISTIGNORE shell \u53d8\u91cf\u6765\u63a7\u5236\u3002\u6211\u7684\u8bbe\u7f6e\u662f HISTIGNORE=&#8221;&amp;:[ ]*&#8221; \uff0c\u8868\u793a\u4e0d\u4fdd\u5b58\u91cd\u590d\u7684\u547d\u4ee4\u5230 history \u4e2d\uff0c\u5e76\u4e14\u4e0d\u4fdd\u5b58\u4ee5\u7a7a\u683c\u5f00\u5934\u7684\u547d\u4ee4\u884c\u3002$HISTIGNORE \u4e2d\u7684\u503c\u4ee5\u5192\u53f7\u5206\u9694\u3002<\/p>\n<p>\u5982\u679c\u4f60\u5bf9\u6b64\u611f\u5174\u8da3\uff0c\u60f3\u6df1\u5165\u4e86\u89e3\u7684\u8bdd\uff0c\u53ef\u8fdb\u4e00\u6b65\u770b\u6b64\u6587&#8221;<a href=\"http:\/\/www.catonmat.net\/blog\/the-definitive-guide-to-bash-command-line-history\/\">The Definitive Guide to Bash Command Line History<\/a>&#8221;<\/p>\n<ol start=\"9\">\n<li>\n<h6>\u663e\u793a\u5f53\u524d\u76ee\u5f55\u4e2d\u6240\u6709\u5b50\u76ee\u5f55\u7684\u5927\u5c0f<\/h6>\n<\/li>\n<\/ol>\n<pre class=\"lang:default decode:true\">du -h --max-depth=1<\/pre>\n<p>&#8211; -max-depth=1 \u53c2\u6570\u53ef\u4ee5\u8ba9 du \u547d\u4ee4\u663e\u793a\u5f53\u524d\u76ee\u5f55\u4e0b 1 \u7ea7\u5b50\u76ee\u5f55\u7684\u7edf\u8ba1\u4fe1\u606f\uff0c\u5f53\u7136\u4f60\u4e5f\u53ef\u4ee5\u628a 1 \u6539\u4e3a 2 \uff0c\u8fdb\u4e00\u6b65\u663e\u793a 2 \u7ea7\u5b50\u76ee\u5f55\u7684\u7edf\u8ba1\u4fe1\u606f\uff0c\u53ef\u4ee5\u7075\u6d3b\u8fd0\u7528\u3002\u800c -h \u53c2\u6570\u5219\u662f\u4ee5 Mb \u3001G \u8fd9\u6837\u7684\u5355\u4f4d\u6765\u663e\u793a\u5927\u5c0f\u3002<\/p>\n<p>\u8bd1\u8005\u6ce8\uff1a\u5728\u6b64\u63a8\u8350\u4e00\u4e2a\u5c0f\u5de5\u5177 ncdu \uff0c\u53ef\u4ee5\u66f4\u65b9\u4fbf\u7684\u8fbe\u5230\u6b64\u6548\u679c\u3002<\/p>\n<ol start=\"10\">\n<li>\n<h6>\u663e\u793a\u6d88\u8017\u5185\u5b58\u6700\u591a\u7684 10 \u4e2a\u8fd0\u884c\u4e2d\u7684\u8fdb\u7a0b\uff0c\u4ee5\u5185\u5b58\u4f7f\u7528\u91cf\u6392\u5e8f<\/h6>\n<\/li>\n<\/ol>\n<pre class=\"lang:default decode:true\">ps aux | sort -nk +4 | tail<\/pre>\n<p><span style=\"line-height: 1.5;\">\u663e\u7136\u8fd9\u5e76\u4e0d\u662f\u6700\u597d\u7684\u65b9\u6cd5\uff0c\u4f46\u5b83\u786e\u5b9e\u7528\u8d77\u8fd8\u4e0d\u9519\u3002<\/span><\/p>\n<p>\u8fd9\u662f\u4e00\u4e2a\u5178\u578b\u7684\u7ba1\u9053\u5e94\u7528\uff0c\u901a\u8fc7 ps aux \u6765\u8f93\u51fa\u5230 sort \u547d\u4ee4\uff0c\u5e76\u7528 sort \u6392\u5e8f\u5217\u51fa 4 \u680f\uff0c\u518d\u8fdb\u4e00\u6b65\u8f6c\u5230 tail \u547d\u4ee4\uff0c\u6700\u7ec8\u8f93\u51fa 10 \u884c\u663e\u793a\u4f7f\u7528\u5185\u5b58\u6700\u591a\u7684\u8fdb\u7a0b\u60c5\u51b5\u3002<\/p>\n<p>\u5047\u5982\u60f3\u8981\u53d1\u73b0\u54ea\u4e2a\u8fdb\u7a0b\u4f7f\u7528\u4e86\u5927\u91cf\u5185\u5b58\u7684\u8bdd\uff0c\u6211\u901a\u5e38\u4f1a\u4f7f\u7528 htop \u6216 top \u800c\u975e ps \u3002<\/p>\n<p>\u989d\u5916\u7684\uff1a\u7528 python \u5feb\u901f\u5f00\u542f\u4e00\u4e2a SMTP \u670d\u52a1<\/p>\n<pre class=\"lang:default decode:true\">python -m smtpd -n -c DebuggingServer localhost:1025<\/pre>\n<p><span style=\"line-height: 1.5;\">\u8fd9\u662f\u4e00\u4e2a\u7528 Python \u6807\u51c6\u5e93 smtpd \uff08\u7528 -m smtpd \u6307\u5b9a) \u5b9e\u73b0\u5728\u7b80\u6613 SMTP \u670d\u52a1\uff0c\u8fd0\u884c\u4e8e 1025 \u7aef\u53e3 \u3002<\/span><\/p>\n<p>\u53e6\u5916\u4e09\u4e2a\u53c2\u6570\u7684\u89e3\u91ca\uff1a<\/p>\n<ul>\n<li>-n \u53c2\u6570\u8ba9 Python \u4e0d\u8981\u8fdb\u884c setuid ( \u6539\u53d8\u7528\u6237\uff09\u4e3a &#8220;nobody&#8221; \uff0c\u4e5f\u5c31\u662f\u8bf4\u76f4\u63a5\u7528\u4f60\u7684\u5e10\u53f7\u6765\u8fd0\u884c<\/li>\n<li>-c DebuggingServer \u53c2\u6570\u662f\u8ba9 Python \u8fd0\u884c\u65f6\u5728\u5c4f\u5e55\u4e0a\u8f93\u51fa\u8c03\u8bd5\u53ca\u8fd0\u884c\u4fe1\u606f<\/li>\n<li>localhost:1025 \u53c2\u6570\u5219\u662f\u8ba9 Python \u5728\u672c\u5730\u7684 1025 \u7aef\u53e3\u4e0a\u5f00\u542f SMTP \u670d\u52a1<\/li>\n<\/ul>\n<p>\u53e6\u5916\uff0c\u5047\u5982\u4f60\u60f3\u8ba9\u7a0b\u5e8f\u8fd0\u884c\u4e8e\u6807\u51c6\u7684 25 \u7684\u7aef\u53e3\u4e0a\u7684\u8bdd\uff0c\u4f60\u5fc5\u987b\u4f7f\u7528 sudo \u547d\u4ee4\uff0c\u56e0\u4e3a\u53ea\u6709 root \u624d\u80fd\u5728 1-1024 \u7aef\u53e3\u4e0a\u5f00\u542f\u670d\u52a1\u3002\u5982\u4e0b\uff1a<\/p>\n<pre class=\"lang:default decode:true\">sudo python -m smtpd -n -c DebuggingServer localhost:25<\/pre>\n<p><span style=\"line-height: 1.5;\">==<\/span><\/p>\n<h6>1.\u67e5\u770bASCII\u7801\u8868<\/h6>\n<pre class=\"lang:default decode:true\">man 7 ascii<\/pre>\n<p><span style=\"line-height: 1.5;\">\u5f88\u591a\u4eba\u521d\u5b66\u7f16\u7a0b\u90fd\u4f1a\u63a5\u89e6\u5230ascii\u7801\u7684\u6982\u5ff5\uff0c\u6709\u65f6\u5019\u4e3a\u4e86\u67e5\u67d0\u4e2a\u7b26\u53f7\u7684ascii\u503c\uff0c\u53ef\u80fd\u8fd8\u5f97\u7ffb\u7bb1\u5012\u67dc\u627e\u51fa\u5f53\u5e74\u7684\u8bfe\u672c\uff1fLinux Manpage\u91cc\u9762\u5176\u5b9e\u5305\u542b\u4e86\u5f88\u591a\u7c7b\u4f3c\u7684\u5b9e\u7528\u8d44\u6599\uff0c\u4e0a\u8ff0\u547d\u4ee4\u5c31\u80fd\u5f88\u8be6\u7ec6\u7684\u65b9\u5f0f\u89e3\u91caascii\u7f16\u7801\uff0c\u5f53\u7136\u8fd9\u91cc\u8fd8\u6709\u5728\u7ebf\u7248\u3002<\/span><\/p>\n<p>man\u547d\u4ee4\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u533a\u57df\u7801\uff0c\u7528\u6765\u533a\u5206\u7d22\u5f15\u8bcd\u7684\u8303\u56f4\uff0c\u6bd4\u5982printf\uff0c\u5728C\u6807\u51c6\u5e93\u91cc\u9762\u7684printf\u8ddfbash\u5f53\u4e2d\u7684printf\u662f\u4e0d\u540c\u7684\uff0c\u524d\u8005\u7684\u67e5\u8be2\u662fman 3 printf\uff0c\u540e\u8005\u662fman 1 printf\u3002\u5982\u679c\u8fd9\u4e2a\u533a\u57df\u7801\u7701\u7565\uff0c\u5c31\u4f1a\u4ece1\u5f00\u59cb\u641c\u7d22\uff0c\u76f4\u5230\u627e\u5230\u4e3a\u6b62\u3002<\/p>\n<p>\u547d\u4ee4man man\u53ef\u4ee5\u770b\u5230\u8be6\u7ec6\u7684\u89e3\u91ca\u3002<\/p>\n<p><span style=\"color: #ff0000;\"><strong>manpages\u91cc\u9762\u8fd8\u6709\u4e00\u4e9b\u6709\u8da3\u800c\u4e14\u5b9e\u7528\u7684\u8d44\u6599\uff0c\u53ef\u80fd\u9c9c\u4e3a\u4eba\u77e5<\/strong><\/span>\uff1a<\/p>\n<p>man 1 intro &#8211; \u4e00\u7bc7\u5bf9\u4ece\u672a\u63a5\u89e6\u8fc7Linux\u7684\u7528\u6237\u7684\u7b80\u660e\u6559\u7a0b\u3002<br \/>\nman 2 syscalls &#8211; \u5185\u6838\u7cfb\u7edf\u8bf7\u6c42\u7684\u5217\u8868\uff0c\u6309\u5185\u6838\u7248\u672c\u6ce8\u91ca\u5206\u7c7b\uff0c\u7cfb\u7edf\u7f16\u7a0b\u5fc5\u5907\u3002<br \/>\nman 2 select_tut &#8211; \u5173\u4e8eselect()\u7cfb\u7edf\u8bf7\u6c42\u7684\u6559\u7a0b\u3002<br \/>\nman 3 string &#8211; \u5728\u5934\u6587\u4ef6\u5185\u7684\u6240\u6709\u51fd\u6570\u3002<br \/>\nman 3 stdio &#8211; \u5173\u4e8e\u5934\u6587\u4ef6\u7684\u4f7f\u7528\uff0c\u6807\u51c6\u8f93\u5165\/\u8f93\u51fa\u5e93\u7684\u8bf4\u660e\u3002<br \/>\nman 3 errno &#8211; \u6240\u6709errorno\u7684\u53d6\u503c\u53ca\u8bf4\u660e\u3002\uff08C\u8bed\u8a00\u5185\u7c7b\u4f3c\u5176\u4ed6\u8bed\u8a00\u7684\u5f02\u5e38\u544a\u77e5\u673a\u5236\uff09<br \/>\nman 4 console_codes &#8211; Linux\u7684\u7ec8\u7aef\u63a7\u5236\u7801\u53ca\u5176\u4f7f\u7528\u89e3\u91ca\u3002<br \/>\nman 4 full &#8211; \u4ecb\u7ecd\/dev\/full\u8fd9\u4e2a\u603b\u662f\u5904\u4e8e&#8221;\u6ee1&#8221;\u72b6\u6001\u7684\u78c1\u76d8\u3002\uff08\u5bf9\u5e94\/dev\/null\u8fd9\u4e2a\u603b\u662f\u7a7a\u7684\u8bbe\u5907\uff09<br \/>\nman 5 proc &#8211; \u4ecb\u7ecd\/proc\u4e0b\u7684\u6587\u4ef6\u7cfb\u7edf\u3002<br \/>\nman 5 filesystems &#8211; \u5404\u79cdLinux\u6587\u4ef6\u7cfb\u7edf\u3002<\/p>\n<p><span style=\"color: #ff0000;\"><strong>\u7b2c7\u533a\u91cc\u9762\u7684\u8d44\u6599\u901a\u5e38\u6700\u9177<\/strong><\/span>\uff1a<\/p>\n<p>man 7 bootparam &#8211; \u8be6\u7ec6\u89e3\u91ca\u5185\u6838\u542f\u52a8\u53c2\u6570\u3002<br \/>\nman 7 charsets &#8211; \u89e3\u91ca\u5404\u79cd\u8bed\u8a00\u7684\u7f16\u7801\u96c6\u3002\uff08gbk\uff0cgb2312\u7b49\uff09<br \/>\nman 7 glob &#8211; \u89e3\u91caglob\u6587\u4ef6\u540d\u7ba1\u7406\u673a\u5236\u7684\u5de5\u4f5c\u8fc7\u7a0b\u3002<br \/>\nman 7 hier &#8211; \u89e3\u91caLinux\u6587\u4ef6\u7cfb\u7edf\u7ed3\u6784\u5404\u4e2a\u90e8\u5206\u7684\u4f5c\u7528\u3002<br \/>\nman 7 operator &#8211; C\u8bed\u8a00\u7684\u8fd0\u7b97\u7b26\u7684\u5217\u8868\u3002<br \/>\nman 7 regex &#8211; \u4ecb\u7ecd\u6b63\u5219\u8868\u8fbe\u5f0f\u3002<br \/>\nman 7 suffixes &#8211; \u5e38\u89c1\u6587\u4ef6\u540e\u7f00\u540d\u7684\u5217\u8868\u8ddf\u89e3\u91ca\u3002<br \/>\nman 7 time &#8211; Linux\u7684\u65f6\u949f\u673a\u5236\u89e3\u91ca\u3002<br \/>\nman 7 units &#8211; \u6570\u503c\u5355\u4f4d\u53ca\u5176\u6570\u503c\u7684\u89e3\u91ca\u3002<br \/>\nman 7 utf8 &#8211; \u63cf\u8ff0UTF-8\u7f16\u7801\u3002<br \/>\nman 7 url &#8211; \u89e3\u91caURL\u3001URI\u3001URN\u7b49\u7684\u6807\u51c6\u3002<\/p>\n<h6>2.\u7b80\u6613\u8ba1\u65f6\u5668<\/h6>\n<pre class=\"lang:default decode:true\">time read<\/pre>\n<p><span style=\"line-height: 1.5;\">\u8fd0\u884c\u547d\u4ee4\u5f00\u59cb\u7b97\u8d77\uff0c\u5230\u7ed3\u675f\u65f6\u6309\u4e00\u4e0bEnter\uff0c\u5c31\u663e\u793a\u51fa\u6574\u4e2a\u8fc7\u7a0b\u7684\u65f6\u95f4\uff0c\u7cbe\u786e\u5230ms\u7ea7\u522b\u3002<\/span><\/p>\n<p>time\u662f\u7528\u6765\u8ba1\u7b97\u4e00\u4e2a\u8fdb\u7a0b\u5728\u8fd0\u884c\u5230\u7ed3\u675f\u8fc7\u7a0b\u8017\u8d39\u591a\u5c11\u65f6\u95f4\u7684\u7a0b\u5e8f\uff0c\u5b83\u7684\u8f93\u51fa\u901a\u5e38\u6709\u4e09\u9879\uff1a<\/p>\n<pre class=\"lang:default decode:true\">$ time ls \/opt\n...\nreal 0m0.008s\nuser 0m0.003s\nsys 0m0.007s<\/pre>\n<p>real\u6307\u6574\u4e2a\u7a0b\u5e8f\u5bf9\u771f\u5b9e\u4e16\u754c\u800c\u8a00\u8fd0\u884c\u6240\u9700\u65f6\u95f4\uff0cuser\u6307\u7a0b\u5e8f\u5728\u7528\u6237\u7a7a\u95f4\u8fd0\u884c\u7684\u65f6\u95f4\uff0csys\u6307\u7a0b\u5e8f\u5bf9\u7cfb\u7edf\u8c03\u7528\u9501\u5360\u7528\u65f6\u95f4\u3002<\/p>\n<p>read\u672c\u6765\u662f\u4e00\u4e2a\u8bfb\u53d6\u7528\u6237\u8f93\u5165\u7684\u547d\u4ee4\uff0c\u5e38\u89c1\u7528\u6cd5\u662fread LINE\uff0c\u7528\u6237\u8f93\u5165\u5e76\u56de\u8f66\u540e\uff0c\u952e\u5165\u7684\u5185\u5bb9\u5c31\u88ab\u4fdd\u5b58\u5230$LINE\u53d8\u91cf\u5185\uff0c\u4f46\u5728\u952e\u5165\u56de\u8f66\u524d\uff0c\u8fd9\u4e2a\u547d\u4ee4\u662f\u4e00\u76f4\u963b\u585e\u7684\u3002<\/p>\n<p>\u53ef\u89c1<span style=\"color: #ff0000;\"><strong>time read\u8fd9\u547d\u4ee4\u7075\u6d3b\u5730\u5229\u7528\u4e86\u64cd\u4f5c\u7cfb\u7edf\u7684\u963b\u585e<\/strong><\/span>\u3002\u7528\u8fd9\u4e2a\u547d\u4ee4\u6765\u6d4b\u8bd5\u4e00\u58f6\u6c34\u591a\u4e45\u716e\u6eda\u5e94\u8be5\u662f\u4e0d\u9519\u7684\u3002<\/p>\n<h6>3.\u8fdc\u7a0b\u5173\u6389\u4e00\u53f0WINDOWS\u673a\u5668<\/h6>\n<pre class=\"lang:default decode:true\">net rpc shutdown -I IP_ADDRESS -U username%password<\/pre>\n<p><span style=\"line-height: 1.5;\">Windows\u5e73\u53f0\u4e0a\u7684net\u547d\u4ee4\u662f\u6bd4\u8f83\u5f3a\u5927\u7684\uff0c\u56e0\u4e3a\u5176\u540e\u53f0\u662f\u4e00\u4e2aRPC\u7c7b\u7684\u7cfb\u7edf\u670d\u52a1\uff0c\u5927\u5bb6\u5e94\u8be5\u770b\u8fc7win\u4e0b\u7528net usefile:\/\/\/C|\/ip\/ipc%24\u00a0*\u8fd9\u6837\u4e00\u4e2a\u547d\u4ee4\u5efa\u7acbIPC\u7a7a\u8fde\u63a5\uff0c\u5165\u4fb5\u4e3b\u673a\u7684\u4e8b\u60c5\u3002<\/span><\/p>\n<p>Linux\u4e0b\u7684net\u547d\u4ee4\u662fsamba\u7ec4\u4ef6\u7684\u7a0b\u5e8f\uff0c\u901a\u5e38\u5305\u542b\u5728smbclient\u5185\uff0c\u53ef\u4ee5\u8ddfwindows\u4e3b\u673a\u7684\u6587\u4ef6\u3001\u6253\u5370\u673a\u5171\u4eab\u7b49\u670d\u52a1\u8fdb\u884c\u901a\u8baf\uff0c\u4f46\u662f\u4e5f\u652f\u6301rpc\u547d\u4ee4\u3002<\/p>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c31\u662f\u5728\u8fdc\u7a0bWindows\u4e3b\u673a\u4e0a\u6267\u884c\u4e86shutdown\u547d\u4ee4\u3002\u5f53\u7136\u8fd9\u4e0d\u4e00\u5b9a\u6210\u529f\uff0c\u5173\u7cfb\u5230win\u4e3b\u673a\u4e0a\u9762\u7684\u5b89\u5168\u8bbe\u7f6e\u3002net\u547d\u4ee4\u80fd\u591f\u63a7\u5236\u5230win\u4e3b\u673a\u5c31\u662f\u4e86\u3002<\/p>\n<h6>4.\u5728\u4e00\u4e2a<span style=\"color: #ff0000;\">\u5b50Shell<\/span>\u4e2d\u8fd0\u884c\u4e00\u4e2a\u547d\u4ee4<\/h6>\n<pre class=\"lang:default decode:true\">(cd \/tmp &amp;&amp; ls)<\/pre>\n<p><span style=\"line-height: 1.5;\">\u5f53\u7136\u8fd9\u53ea\u662f\u6f14\u793a\uff0c\u8981\u67e5\u770b\u76ee\u5f55\u5f53\u7136\u53ef\u4ee5ls \/tmp\u3002<\/span><\/p>\n<p>\u597d\u5904\u5c31\u662f\u4e0d\u4f1a\u6539\u53d8\u5f53\u524dshell\u7684\u76ee\u5f55\uff0c\u4ee5\u53ca\u5982\u679c\u547d\u4ee4\u4e2d\u8bbe\u8ba1\u73af\u5883\u53d8\u91cf\uff0c\u4e5f\u4e0d\u4f1a\u5bf9\u5f53\u524dshell\u6709\u4efb\u4f55\u4fee\u6539\u3002<\/p>\n<p>\u5728Shell\u7f16\u7a0b\u4e2d\u8fd8\u6709\u5f88\u591a\u4f7f\u7528\u4e0a\u5f15\u53f7\u6765\u62ec\u4f4f\u4e00\u4e2a\u547d\u4ee4\uff1a`ls \/tmp`\uff0c\u8fd9\u4e5f\u662f\u5b50shell\u8fc7\u7a0b\u3002\u53ef\u662f\u4e0a\u5f15\u53f7\u7684\u65b9\u6cd5\u65e0\u6cd5\u5d4c\u5957\uff0c\u800c\u4f7f\u7528\u5c0f\u62ec\u53f7\u7684\u65b9\u6cd5\u53ef\u4ee5\uff0c\u4e00\u4e2a\u6bd4\u8f83\u7ea0\u7ed3\u7684\u4f8b\u5b50\u662f\uff1a<\/p>\n<pre class=\"lang:default decode:true\">echo $(echo -e\u00a0file:\/\/\/C|\/x%24%28printf\u00a0\"%x\" 65))<\/pre>\n<h6><span style=\"line-height: 1.5;\">5.\u5229\u7528\u4e2d\u95f4\u7ba1\u9053\u5d4c\u5957\u4f7f\u7528SSH<\/span><\/h6>\n<pre class=\"lang:default decode:true\">ssh -t host_A ssh host_B<\/pre>\n<p><span style=\"line-height: 1.5;\">\u5982\u679c\u76ee\u6807\u673a\u5668host_B\u5904\u4e8e\u6bd4\u8f83\u590d\u6742\u7684\u7f51\u7edc\u73af\u5883\uff0c\u672c\u673a\u65e0\u6cd5\u76f4\u63a5\u8bbf\u95ee\uff0c\u4f46\u53e6\u5916\u4e00\u53f0host_A\u80fd\u591f\u8bbf\u95ee\u5230host_B\uff0c\u800c\u4e14\u4e5f\u80fd\u88ab\u672c\u673a\u8bbf\u95ee\u5230\uff0c\u90a3\u4e0a\u8ff0\u547d\u4ee4\u5c31\u89e3\u51b3\u4e86\u65b9\u4fbf\u767b\u5f55host_B\u7684\u95ee\u9898\u3002<\/span><\/p>\n<p>\u4f46\u7406\u8bba\u4e0a\u8fd9\u4e2a\u8fc7\u7a0b\u662f\u53ef\u4ee5\u65e0\u9650\u5d4c\u5957\u7684\uff0c\u6bd4\u5982\uff1a<\/p>\n<pre class=\"lang:default decode:true\">ssh -t host1 ssh -t host2 ssh -t host3 ssh -t host4 ...<\/pre>\n<p><span style=\"line-height: 1.5;\">\u55ef\u90a3\u795e\u9a6cFBI CIA\u7684\uff0c\u6709\u672c\u4e8b\u6765\u6349\u6211\u5427\uff5e<\/span><\/p>\n<h6>6.\u6e05\u7a7a\u5c4f\u5e55<\/h6>\n<pre class=\"lang:default decode:true\">&lt;CTRL+l&gt;<\/pre>\n<p><span style=\"line-height: 1.5;\">\u8fd9\u4e2a\u8ddf\u4e4b\u524d\u4ecb\u7ecd\u7684reset\u547d\u4ee4\u91cd\u7f6e\u7ec8\u7aef\u7684\u4f5c\u7528\u6709\u4e9b\u7c7b\u4f3c\uff0c\u5176\u5b9e\u90fd\u53ea\u662f\u53d1\u9001\u4e00\u6bb5\u63a7\u5236\u5e8f\u5217\uff0c\u8ba9\u7ec8\u7aef\u7684\u663e\u793a\u590d\u4f4d\u3002<\/span><\/p>\n<p>\u8fd8\u53ef\u4ee5\u8fd9\u6837\u8fd0\u884c\uff1a<\/p>\n<pre class=\"lang:default decode:true\">tput clear<\/pre>\n<p><span style=\"line-height: 1.5;\">tput\u662f\u4e13\u95e8\u7528\u6765\u63a7\u5236\u7ec8\u7aef\u7684\u4e00\u4e2a\u5c0f\u5de5\u5177\uff0c\u4e5f\u633a\u5f3a\u5927\u7684\uff0c\u8be6\u7ec6\u4fe1\u606f\u8fd0\u884cman tput\u67e5\u770b\u3002<\/span><\/p>\n<h6>7.\u6211\u60f3\u77e5\u9053\u4e00\u53f0\u670d\u52a1\u5668\u4ec0\u4e48\u65f6\u5019\u91cd\u542f\u5b8c<\/h6>\n<pre class=\"lang:default decode:true\">ping -a IP<\/pre>\n<p><span style=\"line-height: 1.5;\">\u7cfb\u7edf\u7ba1\u7406\u5458\u6700\u5e38\u505a\u7684\u4e8b\u60c5\u662f\u91cd\u542f\u7cfb\u7edf\u3002\u4f46\u662f\u670d\u52a1\u5668\u7684\u91cd\u542f\u8fc7\u7a0b\u5f80\u5f80\u5f97\u82b1\u4e0a\u597d\u51e0\u5206\u949f\uff0c\u4ec0\u4e48\u4f60\u7684\u670d\u52a1\u56684\u4e2ascsi\u5361\uff1f16\u4e2a\u786c\u76d8\uff1f\u7cfb\u7edf\u662fRedhat\uff1f\u8fd8\u5b8c\u5168\u5b89\u88c5\u6240\u6709\u7ec4\u4ef6\uff1f\u597d\u5427\uff0c\u5b83\u91cd\u542f\u7684\u65f6\u95f4\u90fd\u591f\u4f60\u5403\u987f\u996d\u4e86\uff0c\u6240\u4ee5\u6211\u5f88\u60f3\u77e5\u9053\u5b83\u4ec0\u4e48\u65f6\u5019\u56de\u6765\u3002<\/span><\/p>\n<p><span style=\"color: #ff0000;\"><strong>ping\u547d\u4ee4\u6709\u4e2aaudible ping\u53c2\u6570\uff0c-a\uff0c\u5f53\u5b83\u7ec8\u4e8eping\u901a\u4f60\u7684\u670d\u52a1\u5668\u65f6\u4f1a\u8ba9\u5c0f\u5587\u53ed\u53eb\u8d77\u6765<\/strong><\/span>\u3002<\/p>\n<h6>8.\u5217\u51fa\u4f60\u6700\u5e38\u7528\u768410\u6761\u547d\u4ee4<\/h6>\n<pre class=\"lang:default decode:true\">history | awk '{a[$2]++}END{for(i in a){print a[i] \" \" i}}' | sort -rn | head<\/pre>\n<p>\u8fd9\u884c\u547d\u4ee4\u7ec4\u5408\u5f97\u5f88\u5999\uff1a history\u8f93\u51fa\u7528\u6237\u4e86\u547d\u4ee4\u5386\u53f2\uff1bawk\u7edf\u8ba1\u5e76\u8f93\u51fa\u5217\u8868\uff1bsort\u6392\u5e8f\uff1bhead\u622a\u51fa\u524d10\u884c\u3002<\/p>\n<h6>9.\u68c0\u67e5GMAIL\u65b0\u90ae\u4ef6<\/h6>\n<pre class=\"lang:default decode:true\">curl -u you@gmail.com --silent \"https:\/\/mail.google.com\/mail\/feed\/atom\" |\nperl -ne \\\n'\nprint \"Subject: $1 \" if \/&lt;title&gt;(.+?)&lt;\\\/title&gt;\/ &amp;&amp; $title++;\nprint \"(from $1)\\n\" if \/&lt;email&gt;(.+?)&lt;\\\/email&gt;\/;\n'<\/pre>\n<p>Gmail\u7684\u4e00\u4e2a\u7279\u8272\u662f\u652f\u6301Atom feed\u8f93\u51fa\u90ae\u4ef6\u5217\u8868\uff0c\u6240\u4ee5\u603b\u662f\u89c1\u5230\u5f88\u591aGmail\u90ae\u4ef6\u63d0\u9192\u5668\u4e4b\u7c7b\u7684\uff0c\u56e0\u4e3a\u5f00\u53d1\u7279\u7b80\u5355\uff0catom\u5f88\u65b9\u4fbf\u3002<\/p>\n<p>\u8fd9\u91cc\u53ea\u662f\u5229\u7528\u4e86perl\u7684\u6b63\u5219\u6765\u89e3\u6790atom\uff08sed\/awk\u4e5f\u80fd\u505a\u5230\uff09\u3002<\/p>\n<h6>10.\u7528TELNET\u770b\u300a\u661f\u7403\u5927\u6218\u300b<\/h6>\n<pre class=\"lang:default decode:true\">telnet towel.blinkenlights.nl<\/pre>\n<p><span style=\"line-height: 1.5;\">\u6ca1\u4ec0\u4e48\u597d\u89e3\u91ca\u7684\uff0c\u5c31\u662fASCII\u827a\u672f\u4e4b\u4e00\u3002\u5982\u679c\u4f60\u6709ipv6\u8fde\u63a5\uff0c\u8fd8\u80fd\u770b\u5230\u5f69\u8272\u7248\u7684\u3002\u725b\u5427\uff1f<\/span><\/p>\n<p>==<\/p>\n<p>&nbsp;<\/p>\n<h6><span style=\"color: #ff0000;\">\u540e\u8bb0\uff1a<\/span><\/h6>\n<p>\u8bf4Shell\u662f\u4e00\u79cd\u7f16\u7a0b\u8bed\u8a00\uff0c\u53ef\u80fd\u6709\u4e9b\u5c34\u5c2c\uff0c\u867d\u7136\u5f88\u591a\u4eba\u6bcf\u5929\u90fd\u5728\u7528Shell\uff0c\u4f46\u4ece\u6765\u6ca1\u89c1\u5b83\u8363\u767bTIOBE\u7f16\u7a0b\u8bed\u8a00\u6392\u884c\u699c\u4e4b\u7c7b\u7684\uff0c\u53ef\u4ee5\u8bf4\u6beb\u65e0\u540d\u5206\uff0c\u56e0\u4e3a\u5f88\u591a\u7528\u6237\u6ca1\u610f\u8bc6\u5230\u5b83\u662f\u4e00\u79cd\u8bed\u8a00\uff0c\u53ea\u5f53\u505a\u8fd9\u662f\u4e00\u4e2a\u80fd\u591f\u5f88\u597d\u5b8c\u6210\u4efb\u52a1\u7684\u5de5\u5177\uff0c\u57fa\u672c\u5f97\u7406\u6240\u5f53\u7136\uff0c\u5c31\u597d\u50cfGUI\u7a0b\u5e8f\u7684\u83dc\u5355\u3001\u6309\u94ae\u4e00\u6837\u3002<\/p>\n<p>\u638c\u63e1Shell\uff0c\u901a\u5e38\u80fd\u591f\u8ba9\u4efb\u52a1\u5728\u6570\u79d2\u949f\u5185\u5b8c\u6210\uff0c\u8fd9\u5c31\u8ba9Shell\u8ddfC\u3001Perl\u3001Python\u8fd9\u4e9b\u8bed\u8a00\u533a\u522b\u5f00\u6765\uff0c\u6ca1\u4eba\u5426\u8ba4\u540e\u8005\u66f4\u80fd\u80dc\u4efb\u66f4\u591a\u7684\u4efb\u52a1\uff0c\u4f46\u662f\u4ed6\u4eec\u662f\u5728\u4e0d\u540c\u7684\u5c42\u9762\u4e0a\u53bb\u505a\uff0cShell\u4f9d\u8d56\u5927\u91cf\u7684\u7cfb\u7edf\u7ec4\u4ef6\u9ecf\u5408\u8c03\u7528\uff0c\u800c\u540e\u8005\u4f9d\u8d56\u5404\u79cd\u5e93\uff0c\u5404\u6240\u64c5\u957f\u4e0d\u540c\u7684\u5e94\u7528\u9886\u57df\uff0c\u6bd4\u55bb\u5c31\u662f\uff0cShell\u662f\u6df7\u51dd\u571f\uff0c\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u7c98\u5408\u4e00\u4e9b\u5efa\u7b51\u7ec4\u4ef6\u800c\u6210\u4e3a\u7a33\u56fa\u7684\u9ad8\u697c\u5927\u53a6\uff1b\u4f46\u540c\u6837\u662f\u7c98\u5408\u5242\uff0c\u7c98\u73bb\u7483\u7a97\u3001\u7c98\u4e66\u62a5\u3001\u7c98\u76ae\u978b\uff0c\u6df7\u51dd\u571f\u662f\u7edd\u5bf9\u4e0d\u5408\u9002\u7684\uff0cShell\u5e76\u4e0d\u64c5\u957f\u4e00\u4e9b\u7ec6\u81f4\u64cd\u4f5c\uff0c\u6bd4\u5982\u5b83\u8fde\u6d6e\u70b9\u8fd0\u7b97\u90fd\u4e0d\u652f\u6301\uff0c\u66f4\u522b\u63d0\u4ec0\u4e48\u56fe\u5f62\u8fd0\u7b97\u4ec0\u4e48\u7684\u3002\u4f46\u8fd9\u5e76\u4e0d\u59a8\u788dShell\u6765\u5e2e\u6211\u4eec\u5b8c\u6210\u5f88\u591a\u7c97\u91cd\u4efb\u52a1\u3002<\/p>\n<p>Shell\u7684\u5de5\u4f5c\u65b9\u5f0f\uff0c\u5927\u591a\u6570\u5165\u95e8\u7528\u6237\u4f1a\u89c9\u5f97\u67af\u71e5\u96be\u5b66\uff0c\u800c\u6240\u8c13\u7684\u7ecf\u5178\u6559\u6750\u4e5f\u79bb\u4e0d\u5f00\u300aAdvanced Bash-Scripting\u300b\u3001\u300aBash Guide for Beginners\u300b\uff0c\u4f46\u7c7b\u4f3c\u672c\u6587\u8fd9\u6837\u7684\u4e00\u4e9b\u201c\u96d5\u866b\u5c0f\u6280\u201d\u56e0\u4e3a\u96be\u767b\u5927\u96c5\u4e4b\u5802\u7edd\u4e0d\u4f1a\u6536\u5f55\u8fdb\u53bb\u3002\u8fd9\u60c5\u51b5\u5982\u679c\u50cf\u56fd\u5916\u4e00\u4e9bUNIX\u7528\u6237\u6bd4\u8f83\u591a\u7684\u5730\u65b9\u4f1a\u6709\u5f88\u597d\u6539\u5584\uff0c\u5373\u4f7f\u662f\u65b0\u624b\uff0c\u5076\u5c14\u770b\u770b\u522b\u4eba\u7684\u64cd\u4f5c\u90fd\u80fd\u201c\u5077\u5e08\u201d\u4e00\u624b\uff0c\u6211\u7f16\u8bd1\u672c\u7cfb\u5217\u6587\u7ae0\u5176\u5b9e\u4e5f\u5c31\u5e0c\u671b\u7a0d\u5fae\u6539\u5584\u4e00\u4e0b\u8fd9\u4e2a\u72b6\u51b5\u3002<\/p>\n<p>=Update=<\/p>\n<p>@2015-7-12 \u4e0b\u5348\u91cd\u65b0\u7f16\u8f91\u4e86\u4e00\u4e0b\u8fd9\u8fb9\u6587\u7ae0\uff0c\u56e0\u4e3a\u6700\u521d\u5728\u5f04\u8fd9\u4e2ablog\u7684\u65f6\u5019\u8fd8\u4e0d\u77e5\u9053\u5982\u4f55\u66f4\u597d\u7684\u63a7\u5236WordPress\u6587\u7ae0\u7684\u683c\u5f0f\uff0c\u6240\u4ee5\u663e\u5f97\u6709\u4e9b\u4e71\uff0c\u73b0\u5728\u5728\u8bbe\u7f6e\u4e86\u4e0d\u540c\u7684\u5b57\u4f53\u3001code\u533a\u57df\u3001\u51e0\u7ea7\u6807\u9898\u4e4b\u540e\u53ef\u80fd\u66f4\u5bb9\u6613\u67e5\u770b\u4e00\u4e9b\u3002\u540c\u65f6\u53d1\u73b0\u4e86\u51e0\u4ef6\u6bd4\u8f83\u60b2\u4f24\u7684\u4e8b\uff1a<\/p>\n<blockquote>\n<p style=\"padding-left: 30px;\">WowUbuntu \u7684\u524d\u8eab\u662f\u4e00\u4e2a\u4e13\u95e8\u7528\u4e8e\u63d0\u4f9b Ubuntu\/Linux \u8d44\u8baf\u7684\u79d1\u6280\u7f51\u7ad9\uff0c\u7531\u4e8e\u4e2a\u4eba\u539f\u56e0\u5df2\u505c\u6b62\u66f4\u65b0<\/p>\n<\/blockquote>\n<p>\u8fd8\u6709\u5c31\u662f\uff1a<a href=\"http:\/\/www.isspy.com\/\" target=\"_blank\">http:\/\/www.isspy.com\/<\/a> \u4e5f\u6253\u4e0d\u5f00\u4e86\u3002<\/p>\n<p>=EOF=<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Written by BOY PT on. Posted in \u5feb\u901f\u6559\u7a0b \u7f16\u8005\u6309 \u672c\u6587\u7f16\u8bd1\u81eacommandli [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,12],"tags":[30,46],"class_list":["post-186","post","type-post","status-publish","format-standard","hentry","category-linux","category-tools","tag-linux","tag-skills"],"views":4962,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/186","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/comments?post=186"}],"version-history":[{"count":0,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/186\/revisions"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=186"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=186"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}