{"id":935,"date":"2021-04-28T13:55:20","date_gmt":"2021-04-28T05:55:20","guid":{"rendered":"https:\/\/wp.vicds.com\/?p=935"},"modified":"2021-05-08T12:25:41","modified_gmt":"2021-05-08T04:25:41","slug":"cron-linux","status":"publish","type":"post","link":"https:\/\/wp.vicds.com\/?p=935","title":{"rendered":"cron @linux"},"content":{"rendered":"\n<p>\u5e38\u7528\u5230\u537b\u53c8\u80cc\u4e0d\u8d77\u4f86<\/p>\n\n\n\n<p>\u53c3\u8003\u81ea<a rel=\"noreferrer noopener\" href=\"http:\/\/linux.vbird.org\/linux_basic\/0430cron.php#crontab\" target=\"_blank\">http:\/\/linux.vbird.org\/linux_basic\/0430cron.php#crontab<\/a><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u4ee3\u8868\u610f\u7fa9<\/td><td>\u5206\u9418<\/td><td>\u5c0f\u6642<\/td><td>\u65e5\u671f<\/td><td>\u6708\u4efd<\/td><td>\u9031<\/td><td>\u6307\u4ee4<\/td><\/tr><tr><td>\u6578\u5b57\u7bc4\u570d<\/td><td>0-59<\/td><td>0-23<\/td><td>1-31<\/td><td>1-12<\/td><td>0-7<\/td><td>\u5440\u5c31\u6307\u4ee4\u554a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u7279\u6b8a\u5b57\u7b26<\/td><td>\u4ee3\u8868\u610f\u7fa9<\/td><\/tr><tr><td>*(\u661f\u865f)<\/td><td>\u4ee3\u8868\u4efb\u4f55\u6642\u523b\u90fd\u63a5\u53d7\u7684\u610f\u601d\uff01\u8209\u4f8b\u4f86\u8aaa\uff0c\u7bc4\u4f8b\u4e00\u5167\u90a3\u500b\u65e5\u3001\u6708\u3001\u9031\u90fd\u662f * \uff0c \u5c31\u4ee3\u8868\u8457\u300e\u4e0d\u8ad6\u4f55\u6708\u3001\u4f55\u65e5\u7684\u79ae\u62dc\u5e7e\u7684 12:00 \u90fd\u57f7\u884c\u5f8c\u7e8c\u6307\u4ee4\u300f\u7684\u610f\u601d\uff01<\/td><\/tr><tr><td>,(\u9017\u865f)<\/td><td>\u4ee3\u8868\u5206\u9694\u6642\u6bb5\u7684\u610f\u601d\u3002\u8209\u4f8b\u4f86\u8aaa\uff0c\u5982\u679c\u8981\u4e0b\u9054\u7684\u5de5\u4f5c\u662f 3:00 \u8207 6:00 \u6642\uff0c\u5c31\u6703\u662f\uff1a0 3,6 * * * command\u6642\u9593\u53c3\u6578\u9084\u662f\u6709\u4e94\u6b04\uff0c\u4e0d\u904e\u7b2c\u4e8c\u6b04\u662f 3,6 \uff0c\u4ee3\u8868 3 \u8207 6 \u90fd\u9069\u7528\uff01<\/td><\/tr><tr><td>-(\u6e1b\u865f)<\/td><td>\u4ee3\u8868\u4e00\u6bb5\u6642\u9593\u7bc4\u570d\u5167\uff0c\u8209\u4f8b\u4f86\u8aaa\uff0c 8 \u9ede\u5230 12 \u9ede\u4e4b\u9593\u7684\u6bcf\u5c0f\u6642\u7684 20 \u5206\u90fd\u9032\u884c\u4e00\u9805\u5de5\u4f5c\uff1a20 8-12 * * * command\u4ed4\u7d30\u770b\u5230\u7b2c\u4e8c\u6b04\u8b8a\u6210 8-12 \u5594\uff01\u4ee3\u8868 8,9,10,11,12 \u90fd\u9069\u7528\u7684\u610f\u601d\uff01<\/td><\/tr><tr><td>\/n(\u659c\u7dda)<\/td><td>\u90a3\u500b n \u4ee3\u8868\u6578\u5b57\uff0c\u4ea6\u5373\u662f\u300e\u6bcf\u9694 n \u55ae\u4f4d\u9593\u9694\u300f\u7684\u610f\u601d\uff0c\u4f8b\u5982\u6bcf\u4e94\u5206\u9418\u9032\u884c\u4e00\u6b21\uff0c\u5247\uff1a<br>*\/5 * * * * command\u5f88\u7c21\u55ae\u5427\uff01\u7528 * \u8207 \/5 \u4f86\u642d\u914d\uff0c\u4e5f\u53ef\u4ee5\u5beb\u6210 0-59\/5 \uff0c\u76f8\u540c\u610f\u601d\uff01<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u4f8b\u984c\uff1a\u5047\u5982\u6bcf\u4e94\u5206\u9418\u9700\u8981\u57f7\u884c \/home\/dmtsai\/test.sh \u4e00\u6b21\uff0c\u53c8\u8a72\u5982\u4f55\uff1f\u7b54\uff1a\u540c\u6a23\u4f7f\u7528 crontab -e \u9032\u5165\u7de8\u8f2f\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>*\/5 * * * * \/home\/dmtsai\/test.sh<\/p><\/blockquote>\n\n\n\n<p><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[root@study ~]# cat \/etc\/crontab\nSHELL=\/bin\/bash                     &lt;==\u4f7f\u7528\u54ea\u7a2e shell \u4ecb\u9762\nPATH=\/sbin:\/bin:\/usr\/sbin:\/usr\/bin  &lt;==\u57f7\u884c\u6a94\u641c\u5c0b\u8def\u5f91\nMAILTO=root                         &lt;==\u82e5\u6709\u984d\u5916STDOUT\uff0c\u4ee5 email\u5c07\u8cc7\u6599\u9001\u7d66\u8ab0\n\n# Example of job definition:\n# .---------------- minute (0 - 59)\n# |  .------------- hour (0 - 23)\n# |  |  .---------- day of month (1 - 31)\n# |  |  |  .------- month (1 - 12) OR jan,feb,mar,apr ...\n# |  |  |  |  .---- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat\n# |  |  |  |  |\n# *  *  *  *  * user-name  command to be executed<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5e38\u7528\u5230\u537b\u53c8\u80cc\u4e0d\u8d77\u4f86 \u53c3\u8003\u81eahttp:\/\/li [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-935","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/wp.vicds.com\/index.php?rest_route=\/wp\/v2\/posts\/935","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.vicds.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.vicds.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.vicds.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.vicds.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=935"}],"version-history":[{"count":1,"href":"https:\/\/wp.vicds.com\/index.php?rest_route=\/wp\/v2\/posts\/935\/revisions"}],"predecessor-version":[{"id":936,"href":"https:\/\/wp.vicds.com\/index.php?rest_route=\/wp\/v2\/posts\/935\/revisions\/936"}],"wp:attachment":[{"href":"https:\/\/wp.vicds.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=935"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.vicds.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=935"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.vicds.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=935"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}