{"id":1273,"date":"2014-09-20T07:30:41","date_gmt":"2014-09-20T07:30:41","guid":{"rendered":"http:\/\/ixyzero.com\/blog\/?p=1273"},"modified":"2014-09-20T07:30:41","modified_gmt":"2014-09-20T07:30:41","slug":"linux%e4%b8%ad%e7%9a%84%e5%ae%9a%e6%97%b6%e4%bb%bb%e5%8a%a1%e8%ae%be%e7%bd%aecrontab","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/1273.html","title":{"rendered":"Linux\u4e2d\u7684\u5b9a\u65f6\u4efb\u52a1\u8bbe\u7f6ecrontab"},"content":{"rendered":"<h6><strong>\u57fa\u672c\u683c\u5f0f\uff1a<\/strong><\/h6>\n<div>\u00a0\u00a0 *\u3000\u3000*\u3000\u3000*\u3000\u00a0 *\u3000 *\u3000 command<\/div>\n<div>\u5206\u949f\u3000\u5c0f\u65f6\u3000\u65e5\u3000\u6708\u3000\u5468\u3000\u547d\u4ee4<\/div>\n<div>\u7b2c1\u5217\u8868\u793a\u5206\u949f1\uff5e59\uff08\u6bcf\u5206\u949f\u7528*\u6216\u8005 *\/1\u8868\u793a\uff09<br \/>\n\u7b2c2\u5217\u8868\u793a\u5c0f\u65f61\uff5e23\uff080\u8868\u793a0\u70b9\uff09<br \/>\n\u7b2c3\u5217\u8868\u793a\u65e5\u671f1\uff5e31<br \/>\n\u7b2c4\u5217\u8868\u793a\u6708\u4efd1\uff5e12<br \/>\n\u7b2c5\u5217\u6807\u8bc6\u53f7\u661f\u671f0\uff5e6\uff080\u8868\u793a\u661f\u671f\u5929\uff09<br \/>\n\u7b2c6\u5217\u6307\u5b9a\u8981\u8fd0\u884c\u7684\u547d\u4ee4<\/div>\n<h6>crontab\u4e2d\u4e00\u4e9b\u7279\u6b8a\u7684\u5173\u952e\u5b57\uff1a<\/h6>\n<div><a href=\"http:\/\/ixyzero.com\/blog\/wp-content\/uploads\/2014\/09\/linux_crontab2.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1928 size-full\" src=\"http:\/\/ixyzero.com\/blog\/wp-content\/uploads\/2014\/09\/linux_crontab2.png\" alt=\"linux_crontab2\" width=\"329\" height=\"158\" \/><\/a><\/div>\n<hr \/>\n<h6><strong>crontab\u64cd\u4f5c\u7684\u4e00\u4e9b\u4f8b\u5b50\uff1a<br \/>\n<\/strong><\/h6>\n<div>30 21 * * * \/usr\/local\/etc\/rc.d\/lighttpd restart \u00a0 \u00a0#\u8be5\u4f8b\u5b50\u8868\u793a\u6bcf\u665a\u768421:30\u91cd\u542fapache\u3002<br \/>\n45 4 1,10,22 * * \/usr\/local\/etc\/rc.d\/lighttpd restart \u00a0 \u00a0#\u8be5\u4f8b\u5b50\u8868\u793a\u6bcf\u67081\u300110\u300122\u65e5\u76844 : 45\u91cd\u542fapache\u3002<br \/>\n10 1 * * 6,0 \/usr\/local\/etc\/rc.d\/lighttpd restart \u00a0 \u00a0#\u8be5\u4f8b\u5b50\u8868\u793a\u6bcf\u5468\u516d\u3001\u5468\u65e5\u76841 : 10\u91cd\u542fapache\u3002<\/div>\n<div>0,30 18-23 * * * \/usr\/local\/etc\/rc.d\/lighttpd restart \u00a0 \u00a0#\u8be5\u4f8b\u5b50\u8868\u793a\u5728\u6bcf\u592918 : 00\u81f323 : 00\u4e4b\u95f4\u6bcf\u969430\u5206\u949f\u91cd\u542fapache\uff08\u6682\u672a\u6d4b\u8bd5\uff01\uff09<\/div>\n<div>0 23 * * 6 \/usr\/local\/etc\/rc.d\/lighttpd restart\u00a0\u00a0\u00a0 #\u8be5\u4f8b\u5b50\u8868\u793a\u6bcf\u661f\u671f\u516d\u768423 : 00 \u91cd\u542fapache<br \/>\n* *\/1 * * * \/usr\/local\/etc\/rc.d\/lighttpd restart \u00a0 \u00a0#\u6bcf\u4e00\u5c0f\u65f6\u91cd\u542fapache<\/div>\n<div>* 23-7\/1 * * * \/usr\/local\/etc\/rc.d\/lighttpd restart \u00a0 \u00a0#\u665a\u4e0a11\u70b9\u5230\u65e9\u4e0a7\u70b9\u4e4b\u95f4\uff0c\u6bcf\u9694\u4e00\u5c0f\u65f6\u91cd\u542fapache\uff08\u6682\u672a\u6d4b\u8bd5\uff09<br \/>\n0 11 4 * mon-wed \/usr\/local\/etc\/rc.d\/lighttpd restart \u00a0 \u00a0#\u6bcf\u6708\u76844\u53f7\u4e0e\u6bcf\u5468\u4e00\u5230\u5468\u4e09\u768411:00 \u91cd\u542fapache\uff08\u6682\u672a\u6d4b\u8bd5\uff09<\/div>\n<div>0 4 1 jan * \/usr\/local\/etc\/rc.d\/lighttpd restart \u00a0 \u00a0#\u4e00\u6708\u4e00\u53f7\u76844\u70b9\u91cd\u542fapache<\/p>\n<hr \/>\n<\/div>\n<h6>\u53c2\u6570\uff1a<\/h6>\n<div>crontab -e : \u6267\u884c\u6587\u5b57\u7f16\u8f91\u5668\u6765\u8bbe\u5b9a\u65f6\u7a0b\u8868\uff0c\u5185\u5b9a\u7684\u6587\u5b57\u7f16\u8f91\u5668\u662f VI\uff0c\u5982\u679c\u4f60\u60f3\u7528\u522b\u7684\u6587\u5b57\u7f16\u8f91\u5668\uff0c\u5219\u8bf7\u5148\u8bbe\u5b9a VISUAL \u73af\u5883\u53d8\u91cf\u6765\u6307\u5b9a\u4f7f\u7528\u90a3\u4e2a\u6587\u5b57\u7f16\u8f91\u5668(\u6bd4\u5982\u8bf4 setenv VISUAL joe)<br \/>\ncrontab -r : \u5220\u9664\u76ee\u524d\u7684\u65f6\u7a0b\u8868<br \/>\ncrontab -l : \u5217\u51fa\u76ee\u524d\u7684\u65f6\u7a0b\u8868<br \/>\ncrontab file [-u user]-\u7528\u6307\u5b9a\u7684\u6587\u4ef6\u66ff\u4ee3\u76ee\u524d\u7684crontab\u3002<br \/>\n\u65f6\u7a0b\u8868\u7684\u683c\u5f0f\u5982\u4e0b :<br \/>\nf1 f2 f3 f4 f5 program<br \/>\n\u5176\u4e2d f1 \u662f\u8868\u793a\u5206\u949f\uff0cf2 \u8868\u793a\u5c0f\u65f6\uff0cf3 \u8868\u793a\u4e00\u4e2a\u6708\u4efd\u4e2d\u7684\u7b2c\u51e0\u65e5\uff0cf4 \u8868\u793a\u6708\u4efd\uff0cf5 \u8868\u793a\u4e00\u4e2a\u661f\u671f\u4e2d\u7684\u7b2c\u51e0\u5929\u3002program \u8868\u793a\u8981\u6267<br \/>\n\u884c\u7684\u7a0b\u5e8f\u3002<br \/>\n\u5f53 f1 \u4e3a * \u65f6\u8868\u793a\u6bcf\u5206\u949f\u90fd\u8981\u6267\u884c program\uff0cf2 \u4e3a * \u65f6\u8868\u793a\u6bcf\u5c0f\u65f6\u90fd\u8981\u6267\u884c\u7a0b\u5e8f\uff0c\u5176\u4f59\u7c7b\u63a8<br \/>\n\u5f53 f1 \u4e3a a-b \u65f6\u8868\u793a\u4ece\u7b2c a \u5206\u949f\u5230\u7b2c b \u5206\u949f\u8fd9\u6bb5\u65f6\u95f4\u5185\u8981\u6267\u884c\uff0c<strong>f2 \u4e3a a-b \u65f6\u8868\u793a\u4ece\u7b2c a \u5230\u7b2c b \u5c0f\u65f6\u90fd\u8981\u6267\u884c<\/strong>\uff0c\u5176\u4f59\u7c7b\u63a8<br \/>\n\u5f53 f1 \u4e3a *\/n \u65f6\u8868\u793a\u6bcf n \u5206\u949f\u4e2a\u65f6\u95f4\u95f4\u9694\u6267\u884c\u4e00\u6b21\uff0cf2 \u4e3a *\/n \u8868\u793a\u6bcf n \u5c0f\u65f6\u4e2a\u65f6\u95f4\u95f4\u9694\u6267\u884c\u4e00\u6b21\uff0c\u5176\u9980\u7c7b\u63a8<br \/>\n\u5f53 f1 \u4e3a a, b, c,&#8230; \u65f6\u8868\u793a\u7b2c a, b, c,&#8230; \u5206\u949f\u8981\u6267\u884c\uff0cf2 \u4e3a a, b, c,&#8230; \u65f6\u8868\u793a\u7b2c a, b, c&#8230;\u4e2a\u5c0f\u65f6\u8981\u6267\u884c\uff0c\u5176\u9980\u7c7b\u63a8<br \/>\n\u4f7f\u7528\u8005\u4e5f\u53ef\u4ee5\u5c06\u6240\u6709\u7684\u8bbe\u5b9a\u5148\u5b58\u653e\u5728\u6863\u6848 file \u4e2d\uff0c\u7528 crontab file \u7684\u65b9\u5f0f\u6765\u8bbe\u5b9a\u65f6\u7a0b\u8868\u3002<\/div>\n<h6>\u4f8b\u5b50\uff1a<\/h6>\n<div>#\u6bcf\u5929\u65e9\u4e0a7\u70b9\u6267\u884c\u4e00\u6b21 \/bin\/ls :<br \/>\n0 7 * * * \/bin\/ls<br \/>\n\u5728 12 \u6708\u5185, \u6bcf\u5929\u7684\u65e9\u4e0a 6 \u70b9\u5230 12 \u70b9\u4e2d\uff0c\u6bcf\u96943\u4e2a\u5c0f\u65f6\u6267\u884c\u4e00\u6b21 \/usr\/bin\/backup :<br \/>\n0 6-12\/3 * 12 * \/usr\/bin\/backup<br \/>\n\u5468\u4e00\u5230\u5468\u4e94\u6bcf\u5929\u4e0b\u5348 5:00 \u5bc4\u4e00\u5c01\u4fe1\u7ed9 alex@domain.<wbr \/>name :<br \/>\n0 17 * * 1-5 mail -s &#8220;hi&#8221; alex@domain.<wbr \/>name &lt; \/tmp\/maildata<br \/>\n\u6bcf\u6708\u6bcf\u5929\u7684\u5348\u591c 0 \u70b9 20 \u5206, 2 \u70b9 20 \u5206, 4 \u70b9 20 \u5206&#8230;.\u6267\u884c echo &#8220;haha&#8221;<br \/>\n20 0-23\/2 * * * echo &#8220;haha&#8221;<\/div>\n<div>\u6ce8\u610f\uff1a<\/div>\n<div>\u5f53\u7a0b\u5e8f\u5728\u4f60\u6240\u6307\u5b9a\u7684\u65f6\u95f4\u6267\u884c\u540e\uff0c\u7cfb\u7edf\u4f1a\u5bc4\u4e00\u5c01\u4fe1\u7ed9\u4f60\uff0c\u663e\u793a\u8be5\u7a0b\u5e8f\u6267\u884c\u7684\u5185\u5bb9\uff0c\u82e5\u662f\u4f60\u4e0d\u5e0c\u671b\u6536\u5230\u8fd9\u6837\u7684\u4fe1\uff0c\u8bf7\u5728\u6bcf\u4e00\u884c\u7a7a\u4e00\u683c\u4e4b<br \/>\n\u540e\u52a0\u4e0a &gt; \/dev\/null 2&gt;&amp;1 \u5373\u53ef<br \/>\n\u4f8b\u5b502 :<br \/>\n#\u6bcf\u5929\u65e9\u4e0a6\u70b910\u5206<br \/>\n10 6 * * * date<br \/>\n#\u6bcf\u4e24\u4e2a\u5c0f\u65f6<br \/>\n0 *\/2 * * * date<br \/>\n#\u665a\u4e0a11\u70b9\u5230\u65e9\u4e0a8\u70b9\u4e4b\u95f4\u6bcf\u4e24\u4e2a\u5c0f\u65f6\uff0c\u65e9\u4e0a8\u70b9<br \/>\n0 23-7\/2\uff0c8 * * * date<br \/>\n#\u6bcf\u4e2a\u6708\u76844\u53f7\u548c\u6bcf\u4e2a\u793c\u62dc\u7684\u793c\u62dc\u4e00\u5230\u793c\u62dc\u4e09\u7684\u65e9\u4e0a11\u70b9<br \/>\n0 11 4 * mon-wed date<br \/>\n#1\u6708\u4efd\u65e5\u65e9\u4e0a4\u70b9<br \/>\n0 4 1 jan * date<\/div>\n<div>$crontab -l \u5217\u51fa\u7528\u6237\u76ee\u524d\u7684crontab.<\/div>\n<div>\n<hr \/>\n<\/div>\n<div>\n<blockquote><p>\u6bcf\u4e94\u5206\u949f\u6267\u884c\u00a0*\/5 * * * *<\/p>\n<p>\u6bcf\u5c0f\u65f6\u6267\u884c\u00a0 \u00a00 * * * *<\/p>\n<p>\u6bcf\u5929\u6267\u884c\u00a0 \u00a0\u00a00 0 * * *<\/p>\n<p>\u6bcf\u5468\u6267\u884c\u00a0 \u00a0\u00a00 0 * * 0<\/p>\n<p>\u6bcf\u6708\u6267\u884c\u00a0 \u00a0\u00a00 0 1 * *<\/p>\n<p>\u6bcf\u5e74\u6267\u884c\u00a0 \u00a0\u00a00 0 1 1 *<\/p><\/blockquote>\n<h6>\u53c2\u8003\u94fe\u63a5\uff1a<\/h6>\n<ul>\n<li><a href=\"http:\/\/www.jb51.net\/LINUXjishu\/19905.html\" target=\"_blank\">http:\/\/www.jb51.net\/LINUXjishu\/19905.html<\/a><\/li>\n<li><a href=\"http:\/\/blog.csdn.net\/youngqj\/article\/details\/6798065\" target=\"_blank\">http:\/\/blog.csdn.net\/youngqj\/article\/details\/6798065<\/a><\/li>\n<li><a href=\"http:\/\/yangqijun.iteye.com\/blog\/1173016\" target=\"_blank\">http:\/\/yangqijun.iteye.com\/blog\/1173016<\/a><\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u57fa\u672c\u683c\u5f0f\uff1a \u00a0\u00a0 *\u3000\u3000*\u3000\u3000*\u3000\u00a0 *\u3000 *\u3000 command \u5206\u949f\u3000\u5c0f\u65f6\u3000\u65e5\u3000\u6708\u3000\u5468\u3000\u547d\u4ee4 \u7b2c1\u5217\u8868\u793a\u5206\u949f [&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],"tags":[63],"class_list":["post-1273","post","type-post","status-publish","format-standard","hentry","category-linux","tag-crontab"],"views":5016,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/1273","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=1273"}],"version-history":[{"count":0,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/1273\/revisions"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=1273"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=1273"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=1273"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}