{"id":44578,"date":"2024-10-06T16:40:13","date_gmt":"2024-10-06T08:40:13","guid":{"rendered":"https:\/\/server.hk\/cnblog\/44578\/"},"modified":"2024-10-06T16:40:14","modified_gmt":"2024-10-06T08:40:14","slug":"linux-%e4%bc%ba%e6%9c%8d%e5%99%a8%e5%ae%89%e5%85%a8%e7%ad%96%e7%95%a5%e6%8a%80%e5%b7%a7%ef%bc%9a%e9%8e%96%e5%ae%9a-cron","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/44578\/","title":{"rendered":"Linux \u4f3a\u670d\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u9396\u5b9a cron"},"content":{"rendered":"<h1 id=\"linux-%e4%bc%ba%e6%9c%8d%e5%99%a8%e5%ae%89%e5%85%a8%e7%ad%96%e7%95%a5%e6%8a%80%e5%b7%a7%ef%bc%9a%e9%8e%96%e5%ae%9a-cron-lYWKDGAsTh\">Linux \u4f3a\u670d\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u9396\u5b9a cron<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u4f3a\u670d\u5668\u7684\u5b89\u5168\u6027\u81f3\u95dc\u91cd\u8981\u3002Linux \u4f3a\u670d\u5668\u4f5c\u70ba\u8a31\u591a\u4f01\u696d\u548c\u958b\u767c\u8005\u7684\u9996\u9078\uff0c\u63d0\u4f9b\u4e86\u9748\u6d3b\u6027\u548c\u7a69\u5b9a\u6027\u3002\u7136\u800c\uff0c\u96a8\u8457\u5176\u666e\u53ca\uff0c\u5b89\u5168\u5a01\u8105\u4e5f\u65e5\u76ca\u589e\u52a0\u3002cron \u4f5c\u70ba Linux \u7cfb\u7d71\u4e2d\u4e00\u500b\u91cd\u8981\u7684\u4efb\u52d9\u8abf\u5ea6\u5de5\u5177\uff0c\u82e5\u672a\u59a5\u5584\u7ba1\u7406\uff0c\u53ef\u80fd\u6210\u70ba\u653b\u64ca\u8005\u7684\u5165\u4fb5\u9ede\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u9396\u5b9a cron \u4ee5\u589e\u5f37 Linux \u4f3a\u670d\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-cron%ef%bc%9f-lYWKDGAsTh\">\u4ec0\u9ebc\u662f cron\uff1f<\/h2>\n<p>cron \u662f\u4e00\u500b\u57fa\u65bc\u6642\u9593\u7684\u4f5c\u696d\u8abf\u5ea6\u5668\uff0c\u5141\u8a31\u7528\u6236\u5728\u6307\u5b9a\u7684\u6642\u9593\u81ea\u52d5\u57f7\u884c\u4efb\u52d9\u3002\u9019\u4e9b\u4efb\u52d9\u53ef\u4ee5\u662f\u4efb\u4f55\u53ef\u57f7\u884c\u7684\u547d\u4ee4\u6216\u8173\u672c\uff0c\u4e26\u4e14\u53ef\u4ee5\u6839\u64da\u7528\u6236\u7684\u9700\u6c42\u9032\u884c\u5b9a\u671f\u8abf\u5ea6\u3002cron \u7684\u914d\u7f6e\u6587\u4ef6\u901a\u5e38\u4f4d\u65bc <code>\/etc\/crontab<\/code>\uff0c\u800c\u7528\u6236\u7684\u500b\u4eba cron \u8a2d\u5b9a\u5247\u5b58\u5132\u5728 <code>\/var\/spool\/cron\/crontabs<\/code> \u76ee\u9304\u4e2d\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e8%a6%81%e9%8e%96%e5%ae%9a-cron%ef%bc%9f-lYWKDGAsTh\">\u70ba\u4ec0\u9ebc\u8981\u9396\u5b9a cron\uff1f<\/h2>\n<p>\u7531\u65bc cron \u4efb\u52d9\u53ef\u4ee5\u81ea\u52d5\u57f7\u884c\u547d\u4ee4\uff0c\u82e5\u653b\u64ca\u8005\u7372\u5f97\u5c0d cron \u7684\u63a7\u5236\u6b0a\uff0c\u5247\u53ef\u80fd\u57f7\u884c\u60e1\u610f\u4ee3\u78bc\u6216\u7aca\u53d6\u654f\u611f\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6f5b\u5728\u7684\u98a8\u96aa\uff1a<\/p>\n<ul>\n<li>\u57f7\u884c\u672a\u7d93\u6388\u6b0a\u7684\u547d\u4ee4\u3002<\/li>\n<li>\u4fee\u6539\u7cfb\u7d71\u8a2d\u7f6e\u6216\u6587\u4ef6\u3002<\/li>\n<li>\u5b89\u88dd\u5f8c\u9580\u6216\u5176\u4ed6\u60e1\u610f\u8edf\u4ef6\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%8e%96%e5%ae%9a-cron-%e7%9a%84%e7%ad%96%e7%95%a5-lYWKDGAsTh\">\u9396\u5b9a cron \u7684\u7b56\u7565<\/h2>\n<h3 id=\"1-%e9%99%90%e5%88%b6%e7%94%a8%e6%88%b6%e8%a8%aa%e5%95%8f-lYWKDGAsTh\">1. \u9650\u5236\u7528\u6236\u8a2a\u554f<\/h3>\n<p>\u9996\u5148\uff0c\u61c9\u9650\u5236\u5c0d cron \u7684\u8a2a\u554f\u6b0a\u9650\u3002\u53ea\u6709\u5fc5\u8981\u7684\u7528\u6236\u61c9\u8a72\u64c1\u6709\u57f7\u884c cron \u4efb\u52d9\u7684\u6b0a\u9650\u3002\u53ef\u4ee5\u901a\u904e\u7de8\u8f2f <code>\/etc\/cron.allow<\/code> \u548c <code>\/etc\/cron.deny<\/code> \u6587\u4ef6\u4f86\u7ba1\u7406\u7528\u6236\u8a2a\u554f\u6b0a\u9650\u3002<\/p>\n<pre><code>echo \"username\" &gt;&gt; \/etc\/cron.allow\necho \"otheruser\" &gt;&gt; \/etc\/cron.deny<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e5%ae%89%e5%85%a8%e7%9a%84%e8%85%b3%e6%9c%ac-lYWKDGAsTh\">2. \u4f7f\u7528\u5b89\u5168\u7684\u8173\u672c<\/h3>\n<p>\u78ba\u4fdd\u6240\u6709\u88ab cron \u8abf\u5ea6\u7684\u8173\u672c\u90fd\u662f\u5b89\u5168\u7684\uff0c\u4e26\u4e14\u4e0d\u5305\u542b\u4efb\u4f55\u6f5b\u5728\u7684\u6f0f\u6d1e\u3002\u5b9a\u671f\u6aa2\u67e5\u548c\u66f4\u65b0\u9019\u4e9b\u8173\u672c\uff0c\u4ee5\u9632\u6b62\u88ab\u5229\u7528\u3002<\/p>\n<h3 id=\"3-%e8%a8%ad%e7%bd%ae%e9%81%a9%e7%95%b6%e7%9a%84%e6%96%87%e4%bb%b6%e6%ac%8a%e9%99%90-lYWKDGAsTh\">3. \u8a2d\u7f6e\u9069\u7576\u7684\u6587\u4ef6\u6b0a\u9650<\/h3>\n<p>\u5c0d\u65bc cron \u4efb\u52d9\u6240\u4f7f\u7528\u7684\u8173\u672c\uff0c\u61c9\u8a2d\u7f6e\u9069\u7576\u7684\u6587\u4ef6\u6b0a\u9650\uff0c\u4ee5\u9632\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u8a2d\u7f6e\u6587\u4ef6\u6b0a\u9650\uff1a<\/p>\n<pre><code>chmod 700 \/path\/to\/your\/script.sh<\/code><\/pre>\n<h3 id=\"4-%e7%9b%a3%e6%8e%a7-cron-%e6%b4%bb%e5%8b%95-lYWKDGAsTh\">4. \u76e3\u63a7 cron \u6d3b\u52d5<\/h3>\n<p>\u5b9a\u671f\u6aa2\u67e5 cron \u7684\u6d3b\u52d5\u65e5\u8a8c\uff0c\u4ee5\u4fbf\u53ca\u6642\u767c\u73fe\u7570\u5e38\u884c\u70ba\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b cron \u7684\u65e5\u8a8c\uff1a<\/p>\n<pre><code>grep CRON \/var\/log\/syslog<\/code><\/pre>\n<h3 id=\"5-%e4%bd%bf%e7%94%a8-selinux-%e6%88%96-apparmor-lYWKDGAsTh\">5. \u4f7f\u7528 SELinux \u6216 AppArmor<\/h3>\n<p>\u555f\u7528 SELinux \u6216 AppArmor \u53ef\u4ee5\u70ba\u7cfb\u7d71\u63d0\u4f9b\u984d\u5916\u7684\u5b89\u5168\u5c64\uff0c\u9650\u5236 cron \u4efb\u52d9\u7684\u884c\u70ba\u3002\u9019\u4e9b\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u9632\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u548c\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-lYWKDGAsTh\">\u7d50\u8ad6<\/h2>\n<p>\u9396\u5b9a cron \u662f\u589e\u5f37 Linux \u4f3a\u670d\u5668\u5b89\u5168\u6027\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u9650\u5236\u7528\u6236\u8a2a\u554f\u3001\u4f7f\u7528\u5b89\u5168\u7684\u8173\u672c\u3001\u8a2d\u7f6e\u9069\u7576\u7684\u6587\u4ef6\u6b0a\u9650\u3001\u76e3\u63a7\u6d3b\u52d5\u4ee5\u53ca\u4f7f\u7528\u5b89\u5168\u5de5\u5177\uff0c\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u6f5b\u5728\u7684\u5b89\u5168\u98a8\u96aa\u3002\u96a8\u8457\u7db2\u7d61\u5a01\u8105\u7684\u6f14\u8b8a\uff0c\u6301\u7e8c\u66f4\u65b0\u548c\u6539\u9032\u5b89\u5168\u7b56\u7565\u662f\u6bcf\u500b\u4f3a\u670d\u5668\u7ba1\u7406\u54e1\u7684\u8cac\u4efb\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u548c\u4f3a\u670d\u5668\u5b89\u5168\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6709\u6548\u7684 Linux \u4f3a\u670d\u5668\u5b89\u5168\u7b56\u7565\uff0c\u5b78\u7fd2\u5982\u4f55\u9396\u5b9a cron \u4ee5\u9632\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u4efb\u52d9\u57f7\u884c\uff0c\u4fdd\u8b77\u7cfb\u7d71\u5b89\u5168\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-44578","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44578","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=44578"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44578\/revisions"}],"predecessor-version":[{"id":44579,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44578\/revisions\/44579"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=44578"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=44578"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=44578"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}