{"id":2744,"date":"2023-09-12T14:43:40","date_gmt":"2023-09-12T06:43:40","guid":{"rendered":"https:\/\/199604.com\/?p=2744"},"modified":"2023-09-12T14:43:40","modified_gmt":"2023-09-12T06:43:40","slug":"crontab%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/199604.com\/2744","title":{"rendered":"crontab\u8be6\u89e3"},"content":{"rendered":"<h1>crontab\u8be6\u89e3<\/h1>\n<h2>crontab\u547d\u4ee4\u8be6\u89e3<\/h2>\n<p>linux \u7cfb\u7edf\u5219\u662f\u7531 cron (crond) \u8fd9\u4e2a\u7cfb\u7edf\u670d\u52a1\u6765\u63a7\u5236\u7684\u3002Linux \u7cfb\u7edf\u4e0a\u9762\u539f\u672c\u5c31\u6709\u975e\u5e38\u591a\u7684\u8ba1\u5212\u6027\u5de5\u4f5c\uff0c\u56e0\u6b64\u8fd9\u4e2a\u7cfb\u7edf\u670d\u52a1\u662f\u9ed8\u8ba4\u542f\u52a8\u7684\u3002\u53e6\u5916, \u7531\u4e8e\u4f7f\u7528\u8005\u81ea\u5df1\u4e5f\u53ef\u4ee5\u8bbe\u7f6e\u8ba1\u5212\u4efb\u52a1\uff0c\u6240\u4ee5\uff0c Linux \u7cfb\u7edf\u4e5f\u63d0\u4f9b\u4e86\u4f7f\u7528\u8005\u63a7\u5236\u8ba1\u5212\u4efb\u52a1\u7684\u547d\u4ee4 :crontab \u547d\u4ee4\u3002<\/p>\n<h3>\u4e00\u3001crond\u7b80\u4ecb<\/h3>\n<p><code>crond<\/code>\u662f<code>linux<\/code>\u4e0b\u7528\u6765\u5468\u671f\u6027\u7684\u6267\u884c\u67d0\u79cd\u4efb\u52a1\u6216\u7b49\u5f85\u5904\u7406\u67d0\u4e9b\u4e8b\u4ef6\u7684\u4e00\u4e2a\u5b88\u62a4\u8fdb\u7a0b\uff0c\u4e0ewindows\u4e0b\u7684\u8ba1\u5212\u4efb\u52a1\u7c7b\u4f3c\uff0c\u5f53\u5b89\u88c5\u5b8c\u6210\u64cd\u4f5c\u7cfb\u7edf\u540e\uff0c\u9ed8\u8ba4\u4f1a\u5b89\u88c5\u6b64\u670d\u52a1 \u5de5\u5177\uff0c\u5e76\u4e14\u4f1a\u81ea\u52a8\u542f\u52a8crond\u8fdb\u7a0b\uff0ccrond\u8fdb\u7a0b\u6bcf\u5206\u949f\u4f1a\u5b9a\u671f\u68c0\u67e5\u662f\u5426\u6709\u8981\u6267\u884c\u7684\u4efb\u52a1\uff0c\u5982\u679c\u6709\u8981\u6267\u884c\u7684\u4efb\u52a1\uff0c\u5219\u81ea\u52a8\u6267\u884c\u8be5\u4efb\u52a1\u3002<\/p>\n<p><strong>Linux\u4e0b\u7684\u4efb\u52a1\u8c03\u5ea6\u5206\u4e3a\u4e24\u7c7b<\/strong>: <code>\u7cfb\u7edf\u4efb\u52a1\u8c03\u5ea6<\/code>\u548c<code>\u7528\u6237\u4efb\u52a1\u8c03\u5ea6<\/code>\u3002<\/p>\n<p><strong>\u7cfb\u7edf\u4efb\u52a1\u8c03\u5ea6<\/strong>\uff1a\u7cfb\u7edf\u5468\u671f\u6027\u6240\u8981\u6267\u884c\u7684\u5de5\u4f5c\uff0c\u6bd4\u5982\u5199\u7f13\u5b58\u6570\u636e\u5230\u786c\u76d8\u3001\u65e5\u5fd7\u6e05\u7406\u7b49\u3002\u5728<code>\/etc\/crontab<\/code>\u6587\u4ef6\uff0c\u8fd9\u4e2a\u5c31\u662f\u7cfb\u7edf\u4efb\u52a1\u8c03\u5ea6\u7684\u914d\u7f6e\u6587\u4ef6\u3002<\/p>\n<p><code>\/etc\/crontab<\/code>\u6587\u4ef6\u5305\u62ec\u4e0b\u9762\u51e0\u884c\uff1a<\/p>\n<pre><code class=\"language-shell \">[root@harbor ~]# cat \/etc\/crontab\nSHELL=\/bin\/bash\nPATH=\/sbin:\/bin:\/usr\/sbin:\/usr\/bin\nMAILTO=root\n\n# For details see man 4 crontabs\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\n<\/code><\/pre>\n<p>\u524d\u4e09\u884c\u662f\u7528\u6765\u914d\u7f6ecrond\u4efb\u52a1\u8fd0\u884c\u7684\u73af\u5883\u53d8\u91cf\uff0c\u7b2c\u4e00\u884cSHELL\u53d8\u91cf\u6307\u5b9a\u4e86\u7cfb\u7edf\u8981\u4f7f\u7528\u54ea\u4e2ashell\uff0c\u8fd9\u91cc\u662fbash\uff0c\u7b2c\u4e8c\u884cPATH\u53d8\u91cf\u6307\u5b9a\u4e86\u7cfb\u7edf\u6267\u884c \u547d\u4ee4\u7684\u8def\u5f84\uff0c\u7b2c\u4e09\u884cMAILTO\u53d8\u91cf\u6307\u5b9a\u4e86crond\u7684\u4efb\u52a1\u6267\u884c\u4fe1\u606f\u5c06\u901a\u8fc7\u7535\u5b50\u90ae\u4ef6\u53d1\u9001\u7ed9root\u7528\u6237\uff0c\u5982\u679cMAILTO\u53d8\u91cf\u7684\u503c\u4e3a\u7a7a\uff0c\u5219\u8868\u793a\u4e0d\u53d1\u9001\u4efb\u52a1 \u6267\u884c\u4fe1\u606f\u7ed9\u7528\u6237\u3002<\/p>\n<p><strong>\u7528\u6237\u4efb\u52a1\u8c03\u5ea6<\/strong>\uff1a\u7528\u6237\u5b9a\u671f\u8981\u6267\u884c\u7684\u5de5\u4f5c\uff0c\u6bd4\u5982\u7528\u6237\u6570\u636e\u5907\u4efd\u3001\u5b9a\u65f6\u90ae\u4ef6\u63d0\u9192\u7b49\u3002\u7528\u6237\u53ef\u4ee5\u4f7f\u7528 crontab \u5de5\u5177\u6765\u5b9a\u5236\u81ea\u5df1\u7684\u8ba1\u5212\u4efb\u52a1\u3002\u6240\u6709\u7528\u6237\u5b9a\u4e49\u7684crontab \u6587\u4ef6\u90fd\u88ab\u4fdd\u5b58\u5728<code>\/var\/spool\/cron<\/code>\u76ee\u5f55\u4e2d\u3002\u5176\u6587\u4ef6\u540d\u4e0e\u7528\u6237\u540d\u4e00\u81f4\u3002<\/p>\n<p><strong>\u4f7f\u7528\u8005\u6743\u9650\u6587\u4ef6<\/strong>\uff1a<\/p>\n<ul>\n<li>\u6587\u4ef6\uff1a\/etc\/cron.deny\n<p>\u8bf4\u660e\uff1a\u8be5\u6587\u4ef6\u4e2d\u6240\u5217\u7528\u6237\u4e0d\u5141\u8bb8\u4f7f\u7528crontab\u547d\u4ee4<\/p>\n<\/li>\n<li>\n<p>\u6587\u4ef6\uff1a\/etc\/cron.allow<\/p>\n<p>\u8bf4\u660e\uff1a\u8be5\u6587\u4ef6\u4e2d\u6240\u5217\u7528\u6237\u5141\u8bb8\u4f7f\u7528crontab\u547d\u4ee4<\/p>\n<\/li>\n<li>\n<p>\u6587\u4ef6\uff1a\/var\/spool\/cron\/<\/p>\n<p>\u8bf4\u660e\uff1a\u6240\u6709\u7528\u6237crontab\u6587\u4ef6\u5b58\u653e\u7684\u76ee\u5f55,\u4ee5\u7528\u6237\u540d\u547d\u540d<\/p>\n<\/li>\n<\/ul>\n<p><strong>crontab\u6587\u4ef6\u7684\u542b\u4e49<\/strong>\uff1a<\/p>\n<p>\u7528\u6237\u6240\u5efa\u7acb\u7684crontab\u6587\u4ef6\u4e2d\uff0c\u6bcf\u4e00\u884c\u90fd\u4ee3\u8868\u4e00\u9879\u4efb\u52a1\uff0c\u6bcf\u884c\u7684\u6bcf\u4e2a\u5b57\u6bb5\u4ee3\u8868\u4e00\u9879\u8bbe\u7f6e\uff0c\u5b83\u7684\u683c\u5f0f\u5171\u5206\u4e3a\u516d\u4e2a\u5b57\u6bb5\uff0c\u524d\u4e94\u6bb5\u662f\u65f6\u95f4\u8bbe\u5b9a\u6bb5\uff0c\u7b2c\u516d\u6bb5\u662f\u8981\u6267\u884c\u7684\u547d\u4ee4\u6bb5\uff0c\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-shell \">minute  hour  day  month  week  command\n<\/code><\/pre>\n<p>\u5176\u4e2d\uff1a<\/p>\n<p>minute\uff1a \u8868\u793a\u5206\u949f\uff0c\u53ef\u4ee5\u662f\u4ece0\u523059\u4e4b\u95f4\u7684\u4efb\u4f55\u6574\u6570\u3002<\/p>\n<p>hour\uff1a\u8868\u793a\u5c0f\u65f6\uff0c\u53ef\u4ee5\u662f\u4ece0\u523023\u4e4b\u95f4\u7684\u4efb\u4f55\u6574\u6570\u3002<\/p>\n<p>day\uff1a\u8868\u793a\u65e5\u671f\uff0c\u53ef\u4ee5\u662f\u4ece1\u523031\u4e4b\u95f4\u7684\u4efb\u4f55\u6574\u6570\u3002<\/p>\n<p>month\uff1a\u8868\u793a\u6708\u4efd\uff0c\u53ef\u4ee5\u662f\u4ece1\u523012\u4e4b\u95f4\u7684\u4efb\u4f55\u6574\u6570\u3002<\/p>\n<p>week\uff1a\u8868\u793a\u661f\u671f\u51e0\uff0c\u53ef\u4ee5\u662f\u4ece0\u52307\u4e4b\u95f4\u7684\u4efb\u4f55\u6574\u6570\uff0c\u8fd9\u91cc\u76840\u62167\u4ee3\u8868\u661f\u671f\u65e5\u3002<\/p>\n<p>command\uff1a\u8981\u6267\u884c\u7684\u547d\u4ee4\uff0c\u53ef\u4ee5\u662f\u7cfb\u7edf\u547d\u4ee4\uff0c\u4e5f\u53ef\u4ee5\u662f\u81ea\u5df1\u7f16\u5199\u7684\u811a\u672c\u6587\u4ef6\u3002<\/p>\n<p>\u5728\u4ee5\u4e0a\u5404\u4e2a\u5b57\u6bb5\u4e2d\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7279\u6b8a\u5b57\u7b26\uff1a<\/p>\n<ul>\n<li><strong>\u661f\u53f7\uff08&#42;\uff09<\/strong>\uff1a\u4ee3\u8868\u6240\u6709\u53ef\u80fd\u7684\u503c\uff0c\u4f8b\u5982month\u5b57\u6bb5\u5982\u679c\u662f\u661f\u53f7\uff0c\u5219\u8868\u793a\u5728\u6ee1\u8db3\u5176\u5b83\u5b57\u6bb5\u7684\u5236\u7ea6\u6761\u4ef6\u540e\u6bcf\u6708\u90fd\u6267\u884c\u8be5\u547d\u4ee4\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u9017\u53f7\uff08,\uff09<\/strong>\uff1a\u53ef\u4ee5\u7528\u9017\u53f7\u9694\u5f00\u7684\u503c\u6307\u5b9a\u4e00\u4e2a\u5217\u8868\u8303\u56f4\uff0c\u4f8b\u5982\uff0c\u201c1,2,5,7,8,9\u201d<\/li>\n<li><strong>\u4e2d\u6760\uff08-\uff09<\/strong>\uff1a\u53ef\u4ee5\u7528\u6574\u6570\u4e4b\u95f4\u7684\u4e2d\u6760\u8868\u793a\u4e00\u4e2a\u6574\u6570\u8303\u56f4\uff0c\u4f8b\u5982\u201c2-6\u201d\u8868\u793a\u201c2,3,4,5,6\u201d<\/li>\n<li><strong>\u6b63\u659c\u7ebf\uff08\/\uff09<\/strong>\uff1a\u53ef\u4ee5\u7528\u6b63\u659c\u7ebf\u6307\u5b9a\u65f6\u95f4\u7684\u95f4\u9694\u9891\u7387\uff0c\u4f8b\u5982\u201c0-23\/2\u201d\u8868\u793a\u6bcf\u4e24\u5c0f\u65f6\u6267\u884c\u4e00\u6b21\u3002\u540c\u65f6\u6b63\u659c\u7ebf\u53ef\u4ee5\u548c\u661f\u53f7\u4e00\u8d77\u4f7f\u7528\uff0c\u4f8b\u5982*\/10\uff0c\u5982\u679c\u7528\u5728minute\u5b57\u6bb5\uff0c\u8868\u793a\u6bcf\u5341\u5206\u949f\u6267\u884c\u4e00\u6b21\u3002<\/li>\n<\/ul>\n<h3>\u4e8c\u3001crond\u670d\u52a1<\/h3>\n<p><strong>\u5b89\u88c5crontab<\/strong>\uff1a<\/p>\n<p><code>yum install crontabs<\/code><\/p>\n<p><strong>\u670d\u52a1\u64cd\u4f5c\u8bf4\u660e<\/strong>\uff1a<\/p>\n<pre><code class=\"language-shell \">\/sbin\/service crond start \/\/\u542f\u52a8\u670d\u52a1\n\n\/sbin\/service crond stop \/\/\u5173\u95ed\u670d\u52a1\n\n\/sbin\/service crond restart \/\/\u91cd\u542f\u670d\u52a1\n\n\/sbin\/service crond reload \/\/\u91cd\u65b0\u8f7d\u5165\u914d\u7f6e\n<\/code><\/pre>\n<p><strong>\u67e5\u770bcrontab\u670d\u52a1\u72b6\u6001<\/strong>\uff1a<\/p>\n<pre><code class=\"language-shell \">[root@harbor ~]# service crond status\nRedirecting to \/bin\/systemctl status crond.service\n\u25cf crond.service - Command Scheduler\n   Loaded: loaded (\/usr\/lib\/systemd\/system\/crond.service; enabled; vendor preset: enabled)\n   Active: active (running) since Tue 2023-09-05 13:46:40 CST; 1 weeks 0 days ago\n Main PID: 1262 (crond)\n    Tasks: 1\n   Memory: 2.9M\n   CGroup: \/system.slice\/crond.service\n           \u2514\u25001262 \/usr\/sbin\/crond -n\n\nSep 05 13:46:40 harbor crond[1262]: (CRON) INFO (RANDOM_DELAY will be scaled with factor 48% if used.)\nSep 05 13:46:40 harbor crond[1262]: (CRON) INFO (running with inotify support)\nSep 05 13:46:40 harbor systemd[1]: Started Command Sched\n<\/code><\/pre>\n<p><strong>\u624b\u52a8\u542f\u52a8crontab\u670d\u52a1<\/strong>\uff1a<\/p>\n<pre><code class=\"language-shell \">service crond start\n<\/code><\/pre>\n<p><strong>\u52a0\u5165\u5f00\u673a\u81ea\u52a8\u542f\u52a8<\/strong>\uff1a<\/p>\n<pre><code class=\"language-shell \">chkconfig \u2013level 35 crond on\n<\/code><\/pre>\n<h3>\u4e09\u3001crontab\u547d\u4ee4\u8be6\u89e3<a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/www.cnblogs.com\/yezigege\/p\/13503795.html#42786989\">#<\/a><\/h3>\n<h4>1\uff0e\u547d\u4ee4\u683c\u5f0f\uff1a<\/h4>\n<pre><code class=\"language-shell \">crontab [-u user] file\n\ncrontab [-u user] [ -e | -l | -r ]\n<\/code><\/pre>\n<h4>2\uff0e\u547d\u4ee4\u529f\u80fd\uff1a<\/h4>\n<p>\u901a\u8fc7crontab \u547d\u4ee4\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u56fa\u5b9a\u7684\u95f4\u9694\u65f6\u95f4\u6267\u884c\u6307\u5b9a\u7684\u7cfb\u7edf\u6307\u4ee4\u6216 shell script\u811a\u672c\u3002\u65f6\u95f4\u95f4\u9694\u7684\u5355\u4f4d\u53ef\u4ee5\u662f\u5206\u949f\u3001\u5c0f\u65f6\u3001\u65e5\u3001\u6708\u3001\u5468\u53ca\u4ee5\u4e0a\u7684\u4efb\u610f\u7ec4\u5408\u3002\u8fd9\u4e2a\u547d\u4ee4\u975e\u5e38\u8bbe\u5408\u5468\u671f\u6027\u7684\u65e5\u5fd7\u5206\u6790\u6216\u6570\u636e\u5907\u4efd\u7b49\u5de5\u4f5c\u3002<\/p>\n<h4>3\uff0e\u547d\u4ee4\u53c2\u6570\uff1a<\/h4>\n<ul>\n<li><strong>-u user<\/strong>\uff1a\u7528\u6765\u8bbe\u5b9a\u67d0\u4e2a\u7528\u6237\u7684crontab\u670d\u52a1\uff0c\u4f8b\u5982\uff0c\u201c-u ixdba\u201d\u8868\u793a\u8bbe\u5b9aixdba\u7528\u6237\u7684crontab\u670d\u52a1\uff0c\u6b64\u53c2\u6570\u4e00\u822c\u6709root\u7528\u6237\u6765\u8fd0\u884c\u3002<\/li>\n<li><strong>file<\/strong>\uff1afile\u662f\u547d\u4ee4\u6587\u4ef6\u7684\u540d\u5b57,\u8868\u793a\u5c06file\u505a\u4e3acrontab\u7684\u4efb\u52a1\u5217\u8868\u6587\u4ef6\u5e76\u8f7d\u5165crontab\u3002\u5982\u679c\u5728\u547d\u4ee4\u884c\u4e2d\u6ca1\u6709\u6307\u5b9a\u8fd9\u4e2a\u6587\u4ef6\uff0ccrontab\u547d\u4ee4\u5c06\u63a5\u53d7\u6807\u51c6\u8f93\u5165\uff08\u952e\u76d8\uff09\u4e0a\u952e\u5165\u7684\u547d\u4ee4\uff0c\u5e76\u5c06\u5b83\u4eec\u8f7d\u5165crontab\u3002<\/li>\n<li><strong>-e<\/strong>\uff1a\u7f16\u8f91\u67d0\u4e2a\u7528\u6237\u7684crontab\u6587\u4ef6\u5185\u5bb9\u3002\u5982\u679c\u4e0d\u6307\u5b9a\u7528\u6237\uff0c\u5219\u8868\u793a\u7f16\u8f91\u5f53\u524d\u7528\u6237\u7684crontab\u6587\u4ef6\u3002<\/li>\n<li><strong>-l<\/strong>\uff1a\u663e\u793a\u67d0\u4e2a\u7528\u6237\u7684crontab\u6587\u4ef6\u5185\u5bb9\uff0c\u5982\u679c\u4e0d\u6307\u5b9a\u7528\u6237\uff0c\u5219\u8868\u793a\u663e\u793a\u5f53\u524d\u7528\u6237\u7684crontab\u6587\u4ef6\u5185\u5bb9\u3002<\/li>\n<li><strong>-r<\/strong>\uff1a\u4ece\/var\/spool\/cron\u76ee\u5f55\u4e2d\u5220\u9664\u67d0\u4e2a\u7528\u6237\u7684crontab\u6587\u4ef6\uff0c\u5982\u679c\u4e0d\u6307\u5b9a\u7528\u6237\uff0c\u5219\u9ed8\u8ba4\u5220\u9664\u5f53\u524d\u7528\u6237\u7684crontab\u6587\u4ef6\u3002<\/li>\n<li><strong>-i<\/strong>\uff1a\u5728\u5220\u9664\u7528\u6237\u7684crontab\u6587\u4ef6\u65f6\u7ed9\u786e\u8ba4\u63d0\u793a\u3002<\/li>\n<\/ul>\n<h3>\u56db\u3001\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879<\/h3>\n<h4>1. \u6ce8\u610f\u73af\u5883\u53d8\u91cf\u95ee\u9898<\/h4>\n<p>\u6709\u65f6\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a <code>crontab<\/code> \uff0c\u4f46\u662f\u8fd9\u4e2a\u4efb\u52a1\u5374\u65e0\u6cd5\u81ea\u52a8\u6267\u884c\uff0c\u800c\u624b\u52a8\u6267\u884c\u8fd9\u4e2a\u4efb\u52a1\u5374\u6ca1\u6709\u95ee\u9898\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e00\u822c\u662f\u7531\u4e8e\u5728 <code>crontab<\/code>\u6587\u4ef6\u4e2d\u6ca1\u6709\u914d\u7f6e\u73af\u5883\u53d8\u91cf\u5f15\u8d77\u7684\u3002<\/p>\n<p>\u5728 <code>crontab<\/code> \u6587\u4ef6\u4e2d\u5b9a\u4e49\u591a\u4e2a\u8c03\u5ea6\u4efb\u52a1\u65f6\uff0c\u9700\u8981\u7279\u522b\u6ce8\u610f\u7684\u4e00\u4e2a\u95ee\u9898\u5c31\u662f\u73af\u5883\u53d8\u91cf\u7684\u8bbe\u7f6e\uff0c\u56e0\u4e3a\u6211\u4eec\u624b\u52a8\u6267\u884c\u67d0\u4e2a\u4efb\u52a1\u65f6\uff0c\u662f\u5728\u5f53\u524d <code>shell<\/code> \u73af\u5883\u4e0b\u8fdb\u884c\u7684\uff0c\u7a0b\u5e8f\u5f53\u7136\u80fd\u627e\u5230\u73af\u5883\u53d8\u91cf\uff0c\u800c\u7cfb\u7edf\u81ea\u52a8\u6267\u884c\u4efb\u52a1\u8c03\u5ea6\u65f6\uff0c\u662f\u4e0d\u4f1a\u52a0\u8f7d\u4efb\u4f55\u73af\u5883\u53d8\u91cf\u7684\uff0c\u56e0\u6b64\uff0c\u5c31\u9700\u8981\u5728 <code>crontab<\/code> \u6587\u4ef6\u4e2d\u6307\u5b9a\u4efb\u52a1\u8fd0\u884c\u6240\u9700\u7684\u6240\u6709\u73af\u5883\u53d8\u91cf\uff0c\u8fd9\u6837\uff0c\u7cfb\u7edf\u6267\u884c\u4efb\u52a1\u8c03\u5ea6\u65f6\u5c31\u6ca1\u6709\u95ee\u9898\u4e86\u3002<\/p>\n<h4>2.\u7cfb\u7edf\u7ea7\u4efb\u52a1\u8c03\u5ea6\u4e0e\u7528\u6237\u7ea7\u4efb\u52a1\u8c03\u5ea6<\/h4>\n<p><strong>\u7cfb\u7edf\u7ea7\u4efb\u52a1\u8c03\u5ea6<\/strong>\u4e3b\u8981\u5b8c\u6210\u7cfb\u7edf\u7684\u4e00\u4e9b\u7ef4\u62a4\u64cd\u4f5c\uff0c<strong>\u7528\u6237\u7ea7\u4efb\u52a1\u8c03\u5ea6<\/strong>\u4e3b\u8981\u5b8c\u6210\u7528\u6237\u81ea\u5b9a\u4e49\u7684\u4e00\u4e9b\u4efb\u52a1\uff0c\u53ef\u4ee5\u5c06\u7528\u6237\u7ea7\u4efb\u52a1\u8c03\u5ea6\u653e\u5230\u7cfb\u7edf\u7ea7\u4efb\u52a1\u8c03\u5ea6\u6765\u5b8c\u6210\uff08\u4e0d\u5efa\u8bae\u8fd9\u4e48 \u505a\uff09\uff0c\u4f46\u662f\u53cd\u8fc7\u6765\u5374\u4e0d\u884c\uff0c<code>root<\/code>\u7528\u6237\u7684\u4efb\u52a1\u8c03\u5ea6\u64cd\u4f5c\u53ef\u4ee5\u901a\u8fc7 <code>'crontab \u2013uroot \u2013e'<\/code> \u6765\u8bbe\u7f6e\uff0c\u4e5f\u53ef\u4ee5\u5c06\u8c03\u5ea6\u4efb\u52a1\u76f4\u63a5\u5199\u5165 <code>\/etc \/crontab<\/code> \u6587\u4ef6\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5982\u679c\u8981\u5b9a\u4e49\u4e00\u4e2a\u5b9a\u65f6\u91cd\u542f\u7cfb\u7edf\u7684\u4efb\u52a1\uff0c\u5c31\u5fc5\u987b\u5c06\u4efb\u52a1\u653e\u5230 <code>\/etc\/crontab<\/code> \u6587\u4ef6\uff0c\u5373\u4f7f\u5728 <code>root<\/code> \u7528\u6237\u4e0b\u521b\u5efa\u4e00\u4e2a \u5b9a\u65f6\u91cd\u542f\u7cfb\u7edf\u7684\u4efb\u52a1\u4e5f\u662f\u65e0\u6548\u7684\u3002<\/p>\n<p>\u8f6c\u8f7d\uff1a<code>https:\/\/www.cnblogs.com\/yezigege\/p\/13503795.html#2632816196<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"<p>crontab\u8be6\u89e3 crontab\u547d\u4ee4\u8be6\u89e3 linux \u7cfb\u7edf\u5219\u662f\u7531 cron (crond) \u8fd9\u4e2a\u7cfb\u7edf\u670d\u52a1\u6765\u63a7 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[443,260],"tags":[259,70],"class_list":["post-2744","post","type-post","status-publish","format-standard","hentry","category-centos","category-linux","tag-centos","tag-linux"],"_links":{"self":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts\/2744","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/comments?post=2744"}],"version-history":[{"count":1,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts\/2744\/revisions"}],"predecessor-version":[{"id":2745,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts\/2744\/revisions\/2745"}],"wp:attachment":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/media?parent=2744"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/categories?post=2744"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/tags?post=2744"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}