{"id":59627,"date":"2024-10-12T23:31:21","date_gmt":"2024-10-12T15:31:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/59627\/"},"modified":"2024-10-12T23:31:21","modified_gmt":"2024-10-12T15:31:21","slug":"crontab%e8%aa%bf%e7%94%a8%e5%82%99%e4%bb%bd%e8%85%b3%e6%9c%ac%e6%99%82%e8%a6%81%e6%b3%a8%e6%84%8f%e7%92%b0%e5%a2%83%e8%ae%8a%e9%87%8f%e7%9a%84%e8%a8%ad%e7%bd%ae%e8%a9%b3%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/59627\/","title":{"rendered":"CRONTAB\u8abf\u7528\u5099\u4efd\u8173\u672c\u6642\u8981\u6ce8\u610f\u74b0\u5883\u8b8a\u91cf\u7684\u8a2d\u7f6e\u8a73\u89e3"},"content":{"rendered":"<h1 id=\"crontab%e8%aa%bf%e7%94%a8%e5%82%99%e4%bb%bd%e8%85%b3%e6%9c%ac%e6%99%82%e8%a6%81%e6%b3%a8%e6%84%8f%e7%92%b0%e5%a2%83%e8%ae%8a%e9%87%8f%e7%9a%84%e8%a8%ad%e7%bd%ae%e8%a9%b3%e8%a7%a3-ivihOlOMnY\">CRONTAB\u8abf\u7528\u5099\u4efd\u8173\u672c\u6642\u8981\u6ce8\u610f\u74b0\u5883\u8b8a\u91cf\u7684\u8a2d\u7f6e\u8a73\u89e3<\/h1>\n<p>\u5728\u4f3a\u670d\u5668\u7ba1\u7406\u4e2d\uff0c\u5b9a\u671f\u5099\u4efd\u6578\u64da\u662f\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u4f7f\u7528 <code>crontab<\/code> \u4f86\u81ea\u52d5\u5316\u5099\u4efd\u8173\u672c\u7684\u57f7\u884c\u662f\u4e00\u500b\u5e38\u898b\u7684\u505a\u6cd5\u3002\u7136\u800c\uff0c\u8a31\u591a\u7528\u6236\u5728\u8a2d\u7f6e <code>crontab<\/code> \u6642\uff0c\u5f80\u5f80\u5ffd\u7565\u4e86\u74b0\u5883\u8b8a\u91cf\u7684\u8a2d\u7f6e\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u5099\u4efd\u8173\u672c\u7121\u6cd5\u6b63\u5e38\u904b\u884c\u3002\u672c\u6587\u5c07\u8a73\u7d30\u63a2\u8a0e\u5728\u4f7f\u7528 <code>crontab<\/code> \u8abf\u7528\u5099\u4efd\u8173\u672c\u6642\uff0c\u74b0\u5883\u8b8a\u91cf\u7684\u8a2d\u7f6e\u53ca\u5176\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afcrontab%ef%bc%9f-ivihOlOMnY\">\u4ec0\u9ebc\u662fCRONTAB\uff1f<\/h2>\n<p><code>crontab<\/code> \u662f\u4e00\u500b\u7528\u65bc\u5b9a\u671f\u57f7\u884c\u4efb\u52d9\u7684\u5de5\u5177\uff0c\u901a\u5e38\u7528\u65bc Linux \u548c Unix \u7cfb\u7d71\u3002\u7528\u6236\u53ef\u4ee5\u901a\u904e\u7de8\u8f2f <code>crontab<\/code> \u6587\u4ef6\u4f86\u8a2d\u7f6e\u5b9a\u6642\u4efb\u52d9\uff0c\u9019\u4e9b\u4efb\u52d9\u53ef\u4ee5\u662f\u4efb\u4f55\u53ef\u57f7\u884c\u7684\u547d\u4ee4\u6216\u8173\u672c\u3002<\/p>\n<h2 id=\"%e7%92%b0%e5%a2%83%e8%ae%8a%e9%87%8f%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7-ivihOlOMnY\">\u74b0\u5883\u8b8a\u91cf\u7684\u91cd\u8981\u6027<\/h2>\n<p>\u74b0\u5883\u8b8a\u91cf\u662f\u7cfb\u7d71\u4e2d\u7528\u4f86\u5b58\u5132\u914d\u7f6e\u4fe1\u606f\u7684\u8b8a\u91cf\uff0c\u9019\u4e9b\u8b8a\u91cf\u53ef\u4ee5\u5f71\u97ff\u7a0b\u5e8f\u7684\u904b\u884c\u884c\u70ba\u3002\u5728\u5099\u4efd\u8173\u672c\u4e2d\uff0c\u74b0\u5883\u8b8a\u91cf\u53ef\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>PATH<\/code>\uff1a\u6307\u5b9a\u53ef\u57f7\u884c\u6587\u4ef6\u7684\u641c\u7d22\u8def\u5f91\u3002<\/li>\n<li><code>HOME<\/code>\uff1a\u7528\u6236\u7684\u4e3b\u76ee\u9304\u3002<\/li>\n<li><code>USER<\/code>\uff1a\u7576\u524d\u7528\u6236\u7684\u540d\u7a31\u3002<\/li>\n<\/ul>\n<p>\u7576 <code>crontab<\/code> \u57f7\u884c\u4efb\u52d9\u6642\uff0c\u5b83\u7684\u74b0\u5883\u8b8a\u91cf\u8207\u7528\u6236\u7684\u4ea4\u4e92\u5f0f shell \u74b0\u5883\u53ef\u80fd\u6703\u6709\u6240\u4e0d\u540c\u3002\u9019\u610f\u5473\u8457\u67d0\u4e9b\u547d\u4ee4\u53ef\u80fd\u7121\u6cd5\u627e\u5230\uff0c\u6216\u8005\u67d0\u4e9b\u914d\u7f6e\u53ef\u80fd\u7121\u6cd5\u6b63\u78ba\u52a0\u8f09\u3002<\/p>\n<h2 id=\"%e8%a8%ad%e7%bd%ae%e7%92%b0%e5%a2%83%e8%ae%8a%e9%87%8f%e7%9a%84%e6%96%b9%e5%bc%8f-ivihOlOMnY\">\u8a2d\u7f6e\u74b0\u5883\u8b8a\u91cf\u7684\u65b9\u5f0f<\/h2>\n<p>\u5728 <code>crontab<\/code> \u4e2d\u8a2d\u7f6e\u74b0\u5883\u8b8a\u91cf\u7684\u65b9\u6cd5\u6709\u5e7e\u7a2e\uff1a<\/p>\n<h3 id=\"1-%e5%9c%a8crontab%e6%96%87%e4%bb%b6%e4%b8%ad%e7%9b%b4%e6%8e%a5%e8%a8%ad%e7%bd%ae-ivihOlOMnY\">1. \u5728CRONTAB\u6587\u4ef6\u4e2d\u76f4\u63a5\u8a2d\u7f6e<\/h3>\n<p>\u53ef\u4ee5\u5728 <code>crontab<\/code> \u6587\u4ef6\u7684\u6700\u4e0a\u65b9\u76f4\u63a5\u8a2d\u7f6e\u74b0\u5883\u8b8a\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>PATH=\/usr\/local\/sbin:\/usr\/local\/bin:\/usr\/sbin:\/usr\/bin:\/sbin:\/bin\nHOME=\/home\/username\n<\/code><\/pre>\n<p>\u9019\u6a23\u8a2d\u7f6e\u5f8c\uff0c\u6240\u6709\u5728\u8a72 <code>crontab<\/code> \u4e2d\u57f7\u884c\u7684\u4efb\u52d9\u90fd\u6703\u4f7f\u7528\u9019\u4e9b\u74b0\u5883\u8b8a\u91cf\u3002<\/p>\n<h3 id=\"2-%e5%9c%a8%e5%82%99%e4%bb%bd%e8%85%b3%e6%9c%ac%e4%b8%ad%e8%a8%ad%e7%bd%ae-ivihOlOMnY\">2. \u5728\u5099\u4efd\u8173\u672c\u4e2d\u8a2d\u7f6e<\/h3>\n<p>\u53e6\u4e00\u7a2e\u65b9\u6cd5\u662f\u5728\u5099\u4efd\u8173\u672c\u7684\u958b\u982d\u8a2d\u7f6e\u6240\u9700\u7684\u74b0\u5883\u8b8a\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>#!\/bin\/bash\nexport PATH=\/usr\/local\/sbin:\/usr\/local\/bin:\/usr\/sbin:\/usr\/bin:\/sbin:\/bin\nexport HOME=\/home\/username\n<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u8173\u672c\u5728\u57f7\u884c\u6642\u64c1\u6709\u6b63\u78ba\u7684\u74b0\u5883\u8b8a\u91cf\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e4%bd%bf%e7%94%a8crontab%e9%80%b2%e8%a1%8c%e5%82%99%e4%bb%bd-ivihOlOMnY\">\u793a\u4f8b\uff1a\u4f7f\u7528CRONTAB\u9032\u884c\u5099\u4efd<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 <code>crontab<\/code> \u9032\u884c\u6578\u64da\u5099\u4efd\uff1a<\/p>\n<pre><code>0 2 * * * \/path\/to\/backup_script.sh\n<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u6703\u5728\u6bcf\u5929\u51cc\u66682\u9ede\u57f7\u884c <code>backup_script.sh<\/code> \u8173\u672c\u3002\u5728\u8173\u672c\u4e2d\uff0c\u78ba\u4fdd\u8a2d\u7f6e\u4e86\u6b63\u78ba\u7684\u74b0\u5883\u8b8a\u91cf\uff0c\u4ee5\u907f\u514d\u56e0\u70ba\u627e\u4e0d\u5230\u547d\u4ee4\u800c\u5c0e\u81f4\u7684\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e5%95%8f%e9%a1%8c%e5%8f%8a%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-ivihOlOMnY\">\u5e38\u898b\u554f\u984c\u53ca\u89e3\u6c7a\u65b9\u6848<\/h2>\n<ul>\n<li><strong>\u554f\u984c\uff1a<\/strong>\u5099\u4efd\u8173\u672c\u7121\u6cd5\u627e\u5230\u67d0\u500b\u547d\u4ee4\u3002<\/li>\n<li><strong>\u89e3\u6c7a\u65b9\u6848\uff1a<\/strong>\u6aa2\u67e5 <code>PATH<\/code> \u74b0\u5883\u8b8a\u91cf\u662f\u5426\u6b63\u78ba\u8a2d\u7f6e\u3002<\/li>\n<\/ul>\n<ul>\n<li><strong>\u554f\u984c\uff1a<\/strong>\u5099\u4efd\u6587\u4ef6\u672a\u751f\u6210\u3002<\/li>\n<li><strong>\u89e3\u6c7a\u65b9\u6848\uff1a<\/strong>\u6aa2\u67e5\u8173\u672c\u4e2d\u7684\u8def\u5f91\u662f\u5426\u6b63\u78ba\uff0c\u4e26\u78ba\u4fdd\u6709\u8db3\u5920\u7684\u6b0a\u9650\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ivihOlOMnY\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u4f7f\u7528 <code>crontab<\/code> \u8abf\u7528\u5099\u4efd\u8173\u672c\u6642\uff0c\u6b63\u78ba\u8a2d\u7f6e\u74b0\u5883\u8b8a\u91cf\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u901a\u904e\u5728 <code>crontab<\/code> \u6587\u4ef6\u6216\u5099\u4efd\u8173\u672c\u4e2d\u8a2d\u7f6e\u5fc5\u8981\u7684\u74b0\u5883\u8b8a\u91cf\uff0c\u53ef\u4ee5\u907f\u514d\u8a31\u591a\u5e38\u898b\u7684\u554f\u984c\uff0c\u78ba\u4fdd\u5099\u4efd\u4efb\u52d9\u7684\u9806\u5229\u57f7\u884c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u904b\u884c\u7684\u5099\u4efd\u7cfb\u7d71\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u4e5f\u662f\u4e00\u500b\u660e\u667a\u7684\u9078\u64c7\uff0c\u80fd\u5920\u63d0\u4f9b\u66f4\u9ad8\u7684\u53ef\u9760\u6027\u548c\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3CRONTAB\u8abf\u7528\u5099\u4efd\u8173\u672c\u6642\u74b0\u5883\u8b8a\u91cf\u8a2d\u7f6e\u7684\u6ce8\u610f\u4e8b\u9805\uff0c\u78ba\u4fdd\u5099\u4efd\u4efb\u52d9\u9806\u5229\u57f7\u884c\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-59627","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59627","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=59627"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59627\/revisions"}],"predecessor-version":[{"id":59628,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59627\/revisions\/59628"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=59627"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=59627"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=59627"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}