{"id":44662,"date":"2024-10-06T17:15:14","date_gmt":"2024-10-06T09:15:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/44662\/"},"modified":"2024-10-06T17:15:15","modified_gmt":"2024-10-06T09:15:15","slug":"linux-%e5%91%bd%e4%bb%a4%ef%bc%9acrontab-%e7%b6%ad%e8%ad%b7%e5%80%8b%e5%88%a5%e7%94%a8%e6%88%b6%e7%9a%84-crontab-%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/44662\/","title":{"rendered":"Linux \u547d\u4ee4\uff1acrontab &#8211; \u7dad\u8b77\u500b\u5225\u7528\u6236\u7684 crontab \u6587\u4ef6"},"content":{"rendered":"<h1 id=\"linux-%e5%91%bd%e4%bb%a4%ef%bc%9acrontab-%e7%b6%ad%e8%ad%b7%e5%80%8b%e5%88%a5%e7%94%a8%e6%88%b6%e7%9a%84-crontab-%e6%96%87%e4%bb%b6-jjuBIzkcAN\">Linux \u547d\u4ee4\uff1acrontab &#8211; \u7dad\u8b77\u500b\u5225\u7528\u6236\u7684 crontab \u6587\u4ef6<\/h1>\n<p>\u5728 Linux \u7cfb\u7d71\u4e2d\uff0c\u5b9a\u6642\u4efb\u52d9\u7684\u7ba1\u7406\u662f\u7cfb\u7d71\u7ba1\u7406\u54e1\u65e5\u5e38\u5de5\u4f5c\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\u3002<code>crontab<\/code> \u547d\u4ee4\u63d0\u4f9b\u4e86\u4e00\u7a2e\u65b9\u4fbf\u7684\u65b9\u5f0f\u4f86\u8a2d\u7f6e\u548c\u7ba1\u7406\u9019\u4e9b\u5b9a\u6642\u4efb\u52d9\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u7dad\u8b77\u500b\u5225\u7528\u6236\u7684 crontab \u6587\u4ef6\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6280\u5de7\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-crontab%ef%bc%9f-jjuBIzkcAN\">\u4ec0\u9ebc\u662f crontab\uff1f<\/h2>\n<p><code>crontab<\/code> \u662f\u4e00\u500b\u7528\u65bc\u8a2d\u7f6e\u5b9a\u6642\u4efb\u52d9\u7684\u5de5\u5177\uff0c\u9019\u4e9b\u4efb\u52d9\u6703\u5728\u6307\u5b9a\u7684\u6642\u9593\u81ea\u52d5\u57f7\u884c\u3002\u9019\u4e9b\u4efb\u52d9\u901a\u5e38\u662f\u8173\u672c\u6216\u547d\u4ee4\uff0c\u4e26\u4e14\u53ef\u4ee5\u7528\u65bc\u81ea\u52d5\u5316\u5404\u7a2e\u7cfb\u7d71\u7ba1\u7406\u4efb\u52d9\uff0c\u4f8b\u5982\u5099\u4efd\u3001\u66f4\u65b0\u548c\u5831\u544a\u751f\u6210\u7b49\u3002<\/p>\n<h2 id=\"crontab-%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-jjuBIzkcAN\">crontab \u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>crontab \u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>crontab -e<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u6253\u958b\u7576\u524d\u7528\u6236\u7684 crontab \u6587\u4ef6\uff0c\u5141\u8a31\u7528\u6236\u7de8\u8f2f\u5b9a\u6642\u4efb\u52d9\u3002\u6bcf\u4e00\u884c\u4ee3\u8868\u4e00\u500b\u5b9a\u6642\u4efb\u52d9\uff0c\u5176\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<pre><code>* * * * * command_to_execute<\/code><\/pre>\n<p>\u9019\u4e94\u500b\u661f\u865f\u5206\u5225\u4ee3\u8868\uff1a<\/p>\n<ul>\n<li><strong>\u5206\u9418<\/strong> (0 &#8211; 59)<\/li>\n<li><strong>\u5c0f\u6642<\/strong> (0 &#8211; 23)<\/li>\n<li><strong>\u65e5<\/strong> (1 &#8211; 31)<\/li>\n<li><strong>\u6708<\/strong> (1 &#8211; 12)<\/li>\n<li><strong>\u661f\u671f<\/strong> (0 &#8211; 7) (0 \u548c 7 \u90fd\u4ee3\u8868\u661f\u671f\u65e5)<\/li>\n<\/ul>\n<h2 id=\"%e7%b7%a8%e8%bc%af-crontab-%e6%96%87%e4%bb%b6-jjuBIzkcAN\">\u7de8\u8f2f crontab \u6587\u4ef6<\/h2>\n<p>\u8981\u7de8\u8f2f\u7576\u524d\u7528\u6236\u7684 crontab \u6587\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>crontab -e<\/code><\/pre>\n<p>\u9019\u5c07\u6253\u958b\u4e00\u500b\u7de8\u8f2f\u5668\uff0c\u901a\u5e38\u662f <code>vi<\/code> \u6216 <code>nano<\/code>\uff0c\u5177\u9ad4\u53d6\u6c7a\u65bc\u7cfb\u7d71\u914d\u7f6e\u3002\u5728\u7de8\u8f2f\u5668\u4e2d\uff0c\u60a8\u53ef\u4ee5\u6dfb\u52a0\u3001\u4fee\u6539\u6216\u522a\u9664\u5b9a\u6642\u4efb\u52d9\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e8%a8%ad%e7%bd%ae%e5%ae%9a%e6%99%82%e4%bb%bb%e5%8b%99-jjuBIzkcAN\">\u793a\u4f8b\uff1a\u8a2d\u7f6e\u5b9a\u6642\u4efb\u52d9<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684 crontab \u4efb\u52d9\u793a\u4f8b\uff1a<\/p>\n<ul>\n<li>\u6bcf\u5929\u51cc\u6668 1 \u9ede\u5099\u4efd\u8cc7\u6599\u593e\uff1a<\/li>\n<pre><code>0 1 * * * \/usr\/bin\/rsync -av \/path\/to\/source \/path\/to\/backup<\/code><\/pre>\n<li>\u6bcf\u5c0f\u6642\u57f7\u884c\u4e00\u6b21\u8173\u672c\uff1a<\/li>\n<pre><code>0 * * * * \/path\/to\/script.sh<\/code><\/pre>\n<li>\u6bcf\u9031\u4e00\u4e0a\u5348 8 \u9ede\u767c\u9001\u5831\u544a\uff1a<\/li>\n<pre><code>0 8 * * 1 \/usr\/bin\/python \/path\/to\/report.py<\/code><\/pre>\n<\/ul>\n<h2 id=\"%e6%9f%a5%e7%9c%8b%e5%92%8c%e5%88%aa%e9%99%a4-crontab-%e4%bb%bb%e5%8b%99-jjuBIzkcAN\">\u67e5\u770b\u548c\u522a\u9664 crontab \u4efb\u52d9<\/h2>\n<p>\u8981\u67e5\u770b\u7576\u524d\u7528\u6236\u7684 crontab \u4efb\u52d9\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>crontab -l<\/code><\/pre>\n<p>\u5982\u679c\u60a8\u9700\u8981\u522a\u9664\u7576\u524d\u7528\u6236\u7684 crontab \u6587\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>crontab -r<\/code><\/pre>\n<p>\u9019\u5c07\u522a\u9664\u6240\u6709\u5b9a\u6642\u4efb\u52d9\uff0c\u8acb\u8b39\u614e\u4f7f\u7528\u3002<\/p>\n<h2 id=\"%e5%b0%8f%e6%8a%80%e5%b7%a7-jjuBIzkcAN\">\u5c0f\u6280\u5de7<\/h2>\n<ul>\n<li>\u4f7f\u7528 <code>MAILTO<\/code> \u8b8a\u91cf\u4f86\u63a5\u6536\u4efb\u52d9\u57f7\u884c\u7684\u90f5\u4ef6\u901a\u77e5\uff1a<\/li>\n<pre><code>MAILTO=\"your_email@example.com\"<\/code><\/pre>\n<li>\u4f7f\u7528 <code>PATH<\/code> \u8b8a\u91cf\u4f86\u8a2d\u7f6e\u547d\u4ee4\u7684\u641c\u7d22\u8def\u5f91\uff1a<\/li>\n<pre><code>PATH=\/usr\/local\/sbin:\/usr\/local\/bin:\/usr\/sbin:\/usr\/bin:\/sbin:\/bin<\/code><\/pre>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-jjuBIzkcAN\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4f7f\u7528 <code>crontab<\/code> \u547d\u4ee4\uff0cLinux \u7528\u6236\u53ef\u4ee5\u8f15\u9b06\u5730\u7ba1\u7406\u548c\u7dad\u8b77\u5b9a\u6642\u4efb\u52d9\uff0c\u5f9e\u800c\u81ea\u52d5\u5316\u65e5\u5e38\u5de5\u4f5c\u3002\u7121\u8ad6\u662f\u5099\u4efd\u6578\u64da\u9084\u662f\u57f7\u884c\u5b9a\u671f\u5831\u544a\uff0c<code>crontab<\/code> \u90fd\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u670d\u52d9\u5668\u7ba1\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u5de5\u4f5c\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528 Linux \u547d\u4ee4 crontab \u4f86\u7dad\u8b77\u500b\u5225\u7528\u6236\u7684 crontab \u6587\u4ef6\uff0c\u8f15\u9b06\u7ba1\u7406\u5b9a\u6642\u4efb\u52d9\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-44662","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44662","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=44662"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44662\/revisions"}],"predecessor-version":[{"id":44663,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44662\/revisions\/44663"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=44662"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=44662"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=44662"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}