{"id":1841,"date":"2015-01-24T01:44:51","date_gmt":"2015-01-23T17:44:51","guid":{"rendered":"http:\/\/ixyzero.com\/blog\/?p=1841"},"modified":"2015-01-24T01:44:51","modified_gmt":"2015-01-23T17:44:51","slug":"linux%e4%bd%bf%e7%94%a8%e6%8a%80%e5%b7%a7%e6%94%b6%e9%9b%86%e5%9b%9e%e9%a1%be","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/1841.html","title":{"rendered":"Linux\u4f7f\u7528\u6280\u5de7\u6536\u96c6\/\u56de\u987e"},"content":{"rendered":"<h5>1.\u67e5\u770bLinux\u7cfb\u7edf\u4fe1\u606f\u7684\u4e00\u4e9b\u547d\u4ee4<\/h5>\n<pre class=\"lang:default decode:true\">lscpu\nlshw\nhwinfo\nlspci\nlsscsi\nlsusb\ninxi -Fx\nlsblk\ndf\ndu\nfdisk\nmount\nfree\ndmidecode\nlsmod\n\n\/proc\/cpuinfo\n\/proc\/meminfo\n\/proc\/version\n\/proc\/partitions\n\nxrandr --verbose\t#\u663e\u793a\u5404\u79cd\u652f\u6301\u5206\u8fa8\u7387\nglxgears\t\t#\u6d4b\u8bd5\u663e\u5361\u9a71\u52a8\u7684\u6027\u80fd<\/pre>\n<h5>2.\u5982\u4f55\u4fee\u6539Linux\u7528\u6237\u7684\u5bb6\u76ee\u5f55($HOME)<\/h5>\n<h6>\u641c\u7d22\u5173\u952e\u5b57\uff1a<\/h6>\n<p><a href=\"http:\/\/search.aol.com\/aol\/search?q=Linux+how+to+change+a+exist+user+home+directory\" target=\"_blank\">http:\/\/search.aol.com\/aol\/search?q=Linux+how+to+change+a+exist+user+home+directory<\/a><\/p>\n<h6>\u53c2\u8003\u94fe\u63a5\uff1a<\/h6>\n<ul>\n<li><a href=\"http:\/\/stackoverflow.com\/questions\/20797819\/command-to-change-the-default-home-directory-of-a-user\" target=\"_blank\">http:\/\/stackoverflow.com\/questions\/20797819\/command-to-change-the-default-home-directory-of-a-user<\/a><\/li>\n<li><a href=\"http:\/\/www.cyberciti.biz\/faq\/howto-change-default-home-directory\/\" target=\"_blank\">http:\/\/www.cyberciti.biz\/faq\/howto-change-default-home-directory\/<\/a><\/li>\n<li><a href=\"http:\/\/linoxide.com\/linux-command\/linux-usermod-command-to-modify-user-details\/\" target=\"_blank\">http:\/\/linoxide.com\/linux-command\/linux-usermod-command-to-modify-user-details\/<\/a><\/li>\n<li><a href=\"http:\/\/jesin.tk\/change-home-directory-in-linux\/\" target=\"_blank\">http:\/\/jesin.tk\/change-home-directory-in-linux\/<\/a><\/li>\n<\/ul>\n<h6>\u7ed3\u8bba\uff08\u65b9\u6cd5\u6709\u4e24\u79cd\uff09\uff1a<\/h6>\n<p style=\"padding-left: 30px;\">1.\u76f4\u63a5\u4fee\u6539&#8221;\/etc\/passwd&#8221;\u6587\u4ef6\uff08\u8981\u6ce8\u610fcp\u547d\u4ee4\u62f7\u8d1d\u540e\u7684\u6587\u4ef6\u6743\u9650\u95ee\u9898\uff09<\/p>\n<p style=\"padding-left: 30px;\">2.\u4f7f\u7528usermod\u547d\u4ee4\uff08<span style=\"color: #ff0000;\">\u63a8\u8350<\/span>\uff09<\/p>\n<pre class=\"lang:default decode:true\"># usermod -m -d \/path\/to\/new\/home userName\n\n-d dirnanme : Path to new login (home) directory.\n-m : The contents of the current home directory will be moved to the new home directory, which is created if it does not already exist.<\/pre>\n<h5>3.\u5728Linux\u4e2d\u5982\u4f55\u9ad8\u6548\u7684\u79fb\u52a8\u5927\u91cf\u6587\u4ef6\uff1f<\/h5>\n<ul>\n<li><a href=\"http:\/\/unix.stackexchange.com\/questions\/102852\/what-is-the-most-efficient-way-to-move-a-large-number-of-files-that-reside-in-a\" target=\"_blank\">http:\/\/unix.stackexchange.com\/questions\/102852\/what-is-the-most-efficient-way-to-move-a-large-number-of-files-that-reside-in-a<\/a><\/li>\n<li><a href=\"http:\/\/stackoverflow.com\/questions\/11942422\/moving-large-number-of-files\" target=\"_blank\">http:\/\/stackoverflow.com\/questions\/11942422\/moving-large-number-of-files<\/a><\/li>\n<\/ul>\n<h5>4.\u5728Linux\u4e2d\u5982\u4f55\u9ad8\u6548\u7684\u5220\u9664\u5305\u542b\u5927\u91cf\u6587\u4ef6\u7684\u76ee\u5f55\uff1f<\/h5>\n<h6>\u641c\u7d22\u5173\u952e\u5b57\uff1a<\/h6>\n<ul>\n<li><a href=\"http:\/\/search.aol.com\/aol\/search?q=fast+delete+files+under+linux\" target=\"_blank\">http:\/\/search.aol.com\/aol\/search?q=fast+delete+files+under+linux<\/a><\/li>\n<\/ul>\n<h6>\u53c2\u8003\u94fe\u63a5\uff1a<\/h6>\n<ul>\n<li><a href=\"http:\/\/unix.stackexchange.com\/questions\/37329\/efficiently-delete-large-directory-containing-thousands-of-files\" target=\"_blank\">http:\/\/unix.stackexchange.com\/questions\/37329\/efficiently-delete-large-directory-containing-thousands-of-files<\/a><\/li>\n<li><a href=\"http:\/\/stackoverflow.com\/questions\/1795370\/unix-fast-remove-directory-for-cleaning-up-daily-builds\" target=\"_blank\">http:\/\/stackoverflow.com\/questions\/1795370\/unix-fast-remove-directory-for-cleaning-up-daily-builds<\/a><\/li>\n<li><a href=\"http:\/\/www.slashroot.in\/which-is-the-fastest-method-to-delete-files-in-linux\" target=\"_blank\">http:\/\/www.slashroot.in\/which-is-the-fastest-method-to-delete-files-in-linux<\/a>\u00a0\u00a0\u00a0\u00a0\u00a0 #\u633a\u725b\u903c\u7684<\/li>\n<li><a href=\"http:\/\/unix.stackexchange.com\/questions\/96935\/faster-way-to-delete-large-number-of-files\" target=\"_blank\">http:\/\/unix.stackexchange.com\/questions\/96935\/faster-way-to-delete-large-number-of-files<\/a><\/li>\n<\/ul>\n<h6>\u7ed3\u8bba\uff08\u63a8\u8350\u65b9\u6cd5\uff09\uff1a<\/h6>\n<p>\u5982\u679c\u78b0\u5230\u8981\u5728Linux\u4e0b\u9762\u5220\u9664\u5927\u91cf\u6587\u4ef6\u5939\u7684\u60c5\u51b5\uff0c\u5982\uff1a\u9700\u8981\u5220\u9664100\u4e07\u4e2a\u6587\u4ef6\u3002\u8fd9\u65f6\uff0c\u6211\u4eec\u672c\u6765\u7684\u5220\u9664\u547d\u4ee4 rm -rf * \u5c31\u4e0d\u597d\u4f7f\u4e86\uff0c\u56e0\u4e3a\u592a\u6162\uff0c\u800c\u4e14\u4f1a\u62a5\u9519\u3002\u8fd9\u65f6\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 rsync \u6765\u5b9e\u73b0\u5feb\u901f\u5220\u9664\u5927\u91cf\u6587\u4ef6\u7684\u76ee\u7684\uff1a<\/p>\n<p>\u5efa\u7acb\u4e00\u4e2a\u7a7a\u7684\u6587\u4ef6\u5939<\/p>\n<pre class=\"lang:default decode:true\"># mkdir \/root\/blank<\/pre>\n<p>\u7528rsync\u5220\u9664\u76ee\u6807\u76ee\u5f55<\/p>\n<pre class=\"lang:default decode:true\"># rsync --delete-before -a -H -v --progress --stats \/root\/blank\/ .\/cache\/<\/pre>\n<p>\u8fd9\u6837\u5220\u9664\u7684\u901f\u5ea6\u4f1a\u975e\u5e38\u5feb\u3002<\/p>\n<h5>5.Linux\u7684find\u547d\u4ee4\u7684\u4e00\u4e9b\u6837\u4f8b<\/h5>\n<ul>\n<li><a href=\"http:\/\/www.cyberciti.biz\/tips\/howto-linux-unix-find-move-all-mp3-file.html\" target=\"_blank\">http:\/\/www.cyberciti.biz\/tips\/howto-linux-unix-find-move-all-mp3-file.html<\/a><\/li>\n<li><a href=\"http:\/\/www.cyberciti.biz\/faq\/find-large-files-linux\/\" target=\"_blank\">http:\/\/www.cyberciti.biz\/faq\/find-large-files-linux\/ <\/a>#\u67e5\u627e\u5927\u6587\u4ef6<\/li>\n<\/ul>\n<h6>\u5728Linux\u4e0b\u67e5\u627e\u5927\u6587\u4ef6\u768410\u4e2a\u6280\u5de7\uff1a<\/h6>\n<ul>\n<li><a href=\"http:\/\/search.aol.com\/aol\/search?q=find+large+files+under+linux\" target=\"_blank\">http:\/\/search.aol.com\/aol\/search?q=find+large+files+under+linux<\/a><\/li>\n<\/ul>\n<pre class=\"lang:default decode:true \">#\u67e5\u627e\u5f53\u524d\u76ee\u5f55\u4e0b\u5927\u4e8e50M\u7684\u5927\u6587\u4ef6(RedHat \/ CentOS \/ Fedora)\n$ find . -type f -size +50000k -exec ls -lh {} \\; 2&gt;\/dev\/null | awk '{ print $NF \": \" $5 }'\n#\u5012\u5e8f\u6392\u5217\n$ find . -type f -size +50000k -exec ls -lh {} \\; 2&gt;\/dev\/null | awk '{ print $NF \": \" $5 }' | sort -nrk 2,2\n\n$ du -k | sort -n | perl -ne 'if ( \/^(\\d+)\\s+(.*$)\/){$l=log($1+.1);$m=int($l\/log(1024)); printf  (\"%6.1f\\t%s\\t%25s  %s\\n\",($1\/(2**(10*$m))),((\"K\",\"M\",\"G\",\"T\",\"P\")[$m]),\"*\"x (1.5*$l),$2);}'\n\n## Warning: only works with GNU coreutils &gt;= 7.5 ##\n$ du -hsx * | sort -rh | head -10\n\n## Warning: only works with GNU find ##\n$ find \/path\/to\/dir\/ -printf '%s %p\\n'| sort -nr | head -10<\/pre>\n<h6>\u53c2\u8003\u94fe\u63a5\uff1a<\/h6>\n<ul>\n<li><a href=\"http:\/\/www.thegeekstuff.com\/2009\/08\/10-awesome-examples-for-viewing-huge-log-files-in-unix\/\" target=\"_blank\">http:\/\/www.thegeekstuff.com\/2009\/08\/10-awesome-examples-for-viewing-huge-log-files-in-unix\/<\/a><\/li>\n<li><a href=\"http:\/\/www.cyberciti.biz\/faq\/how-do-i-find-the-largest-filesdirectories-on-a-linuxunixbsd-filesystem\/\" target=\"_blank\">http:\/\/www.cyberciti.biz\/faq\/how-do-i-find-the-largest-filesdirectories-on-a-linuxunixbsd-filesystem\/<\/a><\/li>\n<li><a href=\"http:\/\/linuxlookup.com\/howto\/find_all_large_files_linux_system\" target=\"_blank\">http:\/\/linuxlookup.com\/howto\/find_all_large_files_linux_system<\/a><\/li>\n<\/ul>\n<h5>6.\u5728Linux\u4e0b\u6301\u7eed\u6027\u76d1\u63a7\u67d0\u4e00\u76ee\u5f55\u4e2d\u7684\u6587\u4ef6\u53d8\u5316\u7684\u65b9\u6cd5<\/h5>\n<p>#\u4e0d\u5c11\u4eba\u63a8\u8350Inotify<\/p>\n<h6>\u641c\u7d22\u5173\u952e\u5b57\uff1a<\/h6>\n<ul>\n<li>linux monitor big files | linux find big files<\/li>\n<li><a href=\"http:\/\/search.aol.com\/aol\/search?q=use+shell+to+find+big+files+and+mv+them\" target=\"_blank\">http:\/\/search.aol.com\/aol\/search?q=use+shell+to+find+big+files+and+mv+them<\/a><\/li>\n<\/ul>\n<h6>\u53c2\u8003\u94fe\u63a5\uff1a<\/h6>\n<ul>\n<li><a href=\"http:\/\/stackoverflow.com\/questions\/18692134\/continuously-monitor-a-directory-in-linux-and-notify-when-a-new-file-is-availabl\" target=\"_blank\">http:\/\/stackoverflow.com\/questions\/18692134\/continuously-monitor-a-directory-in-linux-and-notify-when-a-new-file-is-availabl<\/a><\/li>\n<li><a href=\"http:\/\/stackoverflow.com\/questions\/4062806\/inotify-how-to-use-it-linux\" target=\"_blank\">http:\/\/stackoverflow.com\/questions\/4062806\/inotify-how-to-use-it-linux<\/a><\/li>\n<\/ul>\n<h5>7.\u5728Linux\u4e0b\u5feb\u901f\u6e05\u7a7a\u5927\u6587\u4ef6\u7684\u65b9\u6cd5<\/h5>\n<ul>\n<li><a href=\"http:\/\/stackoverflow.com\/questions\/13575477\/unix-shell-script-to-truncate-a-large-file\" target=\"_blank\">http:\/\/stackoverflow.com\/questions\/13575477\/unix-shell-script-to-truncate-a-large-file<\/a><\/li>\n<\/ul>\n<p><code>$ : &gt; big_file.txt<\/code><\/p>\n<p>`:` \u5728Bash\u4e2d\u662f `\u7a7a\u64cd\u4f5c` \u7684\u610f\u601d\uff0c\u6240\u4ee5\u4e0a\u9762\u7684\u547d\u4ee4\u7684\u610f\u601d\u4e3a\uff1a\u4ee5\u53ef\u5199\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\uff08\u8fd9\u6837\u4f1a\u622a\u65ad\u6587\u4ef6\uff09\uff0c\u7136\u540e\u7acb\u5373\u5173\u95ed\u5b83\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1.\u67e5\u770bLinux\u7cfb\u7edf\u4fe1\u606f\u7684\u4e00\u4e9b\u547d\u4ee4 lscpu lshw hwinfo lspci lsscsi lsusb [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,11],"tags":[89,448,449],"class_list":["post-1841","post","type-post","status-publish","format-standard","hentry","category-knowledgebase-2","category-linux","tag-find","tag-rsync","tag-usermod"],"views":4546,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/1841","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=1841"}],"version-history":[{"count":0,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/1841\/revisions"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=1841"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=1841"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=1841"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}