{"id":7139,"date":"2019-01-07T14:44:58","date_gmt":"2019-01-07T06:44:58","guid":{"rendered":"https:\/\/sdeno.com\/?p=7139"},"modified":"2025-11-05T11:40:41","modified_gmt":"2025-11-05T03:40:41","slug":"centos-6-x%e8%84%9a%e6%9c%ac%e5%9c%a8%e6%9f%90%e6%97%b6%e9%97%b4%e8%87%aa%e5%8a%a8%e6%89%a7%e8%a1%8c","status":"publish","type":"post","link":"https:\/\/sdeno.com\/?p=7139","title":{"rendered":"centos 6.x\u811a\u672c\u5728\u67d0\u65f6\u95f4\u81ea\u52a8\u6267\u884c\u2014\u2014cron"},"content":{"rendered":"<p>\u5feb\u901f\u4f7f\u7528\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\"># 1. \u7f16\u8f91\u5b9a\u65f6\u4efb\u52a1\r\ncrontab -e\r\n\r\n# 2. \u6dfb\u52a0\u4e00\u4e2a\u4efb\u52a1\uff08\u6bcf\u5929\u51cc\u66682\u70b9\u5907\u4efd\uff09\r\n0 2 * * * \/home\/user\/backup.sh\r\n\r\n# 3. \u4fdd\u5b58\u9000\u51fa\u540e\uff0ccron \u5b88\u62a4\u8fdb\u7a0b\u4f1a\u81ea\u52a8\u52a0\u8f7d\u65b0\u914d\u7f6e\r\n\r\n# 4. \u67e5\u770b\u4efb\u52a1\u662f\u5426\u6dfb\u52a0\u6210\u529f\r\ncrontab -l<\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>centos linux \u811a\u672c \u81ea\u52a8\u6267\u884c \u811a\u672c \u81ea\u52a8 \u5b9a\u65f6 \u81ea\u52a8 \u6267\u884c<\/p>\n<p>\u5728linux\u7cfb\u7edf\uff0c\u5e0c\u671b\u67d0\u65f6\u95f4\u6bb5\u81ea\u52a8\u6267\u884c\u4e00\u4e9b\u811a\u672c\u3002\u53ef\u4ee5\u64cd\u4f5c\u5982\u4e0b\uff1a<\/p>\n<p><span style=\"color: #ff0000;\">1\uff0c\u5b89\u88c5<\/span><\/p>\n<pre>yum install crontabs<\/pre>\n<p>cron\u662f\u6267\u884c\u6587\u4ef6\uff0ccrontab\u662f\u914d\u7f6e\u6587\u4ef6<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">2\uff0c\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u4f1a\u6709\u5982\u4e0b\u6587\u4ef6<\/span><\/p>\n<p>\u4f7f\u7528\u8005\u6743\u9650\u6587\u4ef6\uff1a<\/p>\n<p>\u6587\u4ef6\uff1a\/etc\/cron.deny<\/p>\n<p>\u8bf4\u660e\uff1a\u8be5\u6587\u4ef6\u4e2d\u6240\u5217\u7528\u6237\u4e0d\u5141\u8bb8\u4f7f\u7528crontab\u547d\u4ee4<\/p>\n<p>&nbsp;<\/p>\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<p>&nbsp;<\/p>\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<p>&nbsp;<\/p>\n<p>\u6211\u4eec\u4e00\u822c\u8981\u7f16\u8f91\u7684\u662f\uff1a<span style=\"color: #ff0000;\">\/etc\/crontab<\/span>\u00a0 \u00a0 (\u67e5\u770b\u6587\u4ef6\u770b\u770b\u81ea\u5df1\u6dfb\u52a0\u4e86\u90a3\u4e9b\u547d\u4ee4)<\/p>\n<p>\u6848\u4f8b\uff1a<\/p>\n<pre>SHELL=\/bin\/bash\r\nPATH=\/sbin:\/bin:\/usr\/sbin:\/usr\/bin\r\nMAILTO=root\r\nHOME=\/\r\n\r\n# For details see man 4 crontabs\r\n\r\n# Example of job definition:\r\n# .---------------- minute (0 - 59)\r\n# | .------------- hour (0 - 23)\r\n# | | .---------- day of month (1 - 31)\r\n# | | | .------- month (1 - 12) OR jan,feb,mar,apr ...\r\n# | | | | .---- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat\r\n# | | | | |\r\n# * * * * * user-name command to be executed\r\n45 4 1 * * \/etc\/init.d\/mysqld restart     \/\/\u8fd9\u91cc\u5c31\u662f\u6211\u52a0\u7684\uff0c\u6bcf\u67081\u53f7\u76844\u70b945\u5206\u6267\u884c\/etc\/init.d\/mysqld restart<\/pre>\n<p>\u4e0d\u660e\u767d\u90a3\u4e9b\u53c2\u6570\u5bf9\u7167\u7740\u4e0b\u9762\u7684\u56fe\u5c31\u4f1a\u660e\u767d\u4e86<\/p>\n<figure class=\"mdx-lazyload-container\" style=\"max-width:542px\"><div style=\"padding-top:83.025830258303%\"><\/div><div class=\"mdx-img-loading-sp mdui-valign\"><div><div class=\"mdui-spinner\"><\/div><\/div><\/div><img width=\"542\" height=\"450\" class=\"alignnone size-full wp-image-7145 lazyload\" title=\"centos 6.x\u811a\u672c\u5728\u67d0\u65f6\u95f4\u81ea\u52a8\u6267\u884c\u2014\u2014cron\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/sdeno.com\/wp-content\/uploads\/2019\/01\/08090352-4e0aa3fe4f404b3491df384758229be1.png\" alt=\"https:\/\/sdeno.com\/wp-content\/uploads\/2019\/01\/08090352-4e0aa3fe4f404b3491df384758229be1.png\" data-srcset=\"https:\/\/sdeno.com\/wp-content\/uploads\/2019\/01\/08090352-4e0aa3fe4f404b3491df384758229be1.png 542w, https:\/\/sdeno.com\/wp-content\/uploads\/2019\/01\/08090352-4e0aa3fe4f404b3491df384758229be1-300x249.png 300w\" sizes=\"auto, (max-width: 542px) 100vw, 542px\"><\/figure>\n<pre>45 4 1 * * \/etc\/init.d\/mysqld restart\u00a0 \u00a0\/\/\u6bcf\u67081\u53f7\u76844\u70b945\u5206\u6267\u884c\/etc\/init.d\/mysqld restart\r\n--------------------\r\n1.\u6bcf\u665a\u768421:30\u91cd\u542fnginx\uff1a30 21 * * * \/etc\/init.d\/nginx\u00a0restart\r\n2.\u6bcf\u67081\u3001 10\u300122\u65e5\u76844 : 45\u91cd\u542fnginx\uff1a45 4 1,10,22 * * \/etc\/init.d\/nginx restart\r\n3.\u6bcf\u4e00\u5c0f\u65f6\u91cd\u542fnginx\uff1a* *\/1 * * * \/etc\/init.d\/nginx restart\r\n4.\u665a\u4e0a11\u70b9\u5230\u65e9\u4e0a7\u70b9\u4e4b\u95f4\uff0c\u6bcf \u9694\u4e00\u5c0f\u65f6\u91cd\u542fnginx\uff1a* 23-7\/1 * * * \/etc\/init.d\/nginx restart\r\n--------------------- \r\n\r\n\u5b9e\u4f8b1\uff1a\u6bcf1\u5206\u949f\u6267\u884c\u4e00\u6b21command\r\n\r\n\u547d\u4ee4\uff1a\r\n\r\n* * * * * command\r\n\r\n\u5b9e\u4f8b2\uff1a\u6bcf\u5c0f\u65f6\u7684\u7b2c3\u548c\u7b2c15\u5206\u949f\u6267\u884c\r\n\r\n\u547d\u4ee4\uff1a\r\n\r\n3,15 * * * * command\r\n\r\n\u5b9e\u4f8b3\uff1a\u5728\u4e0a\u53488\u70b9\u523011\u70b9\u7684\u7b2c3\u548c\u7b2c15\u5206\u949f\u6267\u884c\r\n\r\n\u547d\u4ee4\uff1a\r\n\r\n3,15 8-11 * * * command\r\n\r\n\u5b9e\u4f8b4\uff1a\u6bcf\u9694\u4e24\u5929\u7684\u4e0a\u53488\u70b9\u523011\u70b9\u7684\u7b2c3\u548c\u7b2c15\u5206\u949f\u6267\u884c\r\n\r\n\u547d\u4ee4\uff1a\r\n\r\n3,15 8-11 *\/2 * * command\r\n\r\n\u5b9e\u4f8b5\uff1a\u6bcf\u4e2a\u661f\u671f\u4e00\u7684\u4e0a\u53488\u70b9\u523011\u70b9\u7684\u7b2c3\u548c\u7b2c15\u5206\u949f\u6267\u884c\r\n\r\n\u547d\u4ee4\uff1a\r\n\r\n3,15 8-11 * * 1 command\r\n\r\n\u5b9e\u4f8b6\uff1a\u6bcf\u665a\u768421:30\u91cd\u542fsmb \r\n\r\n\u547d\u4ee4\uff1a\r\n\r\n30 21 * * * \/etc\/init.d\/smb restart\r\n\r\n\u5b9e\u4f8b7\uff1a\u6bcf\u67081\u300110\u300122\u65e5\u76844 : 45\u91cd\u542fsmb \r\n\r\n\u547d\u4ee4\uff1a\r\n\r\n45 4 1,10,22 * * \/etc\/init.d\/smb restart\r\n\r\n\u5b9e\u4f8b8\uff1a\u6bcf\u5468\u516d\u3001\u5468\u65e5\u76841 : 10\u91cd\u542fsmb\r\n\r\n\u547d\u4ee4\uff1a\r\n\r\n10 1 * * 6,0 \/etc\/init.d\/smb restart\r\n\r\n\u5b9e\u4f8b9\uff1a\u6bcf\u592918 : 00\u81f323 : 00\u4e4b\u95f4\u6bcf\u969430\u5206\u949f\u91cd\u542fsmb \r\n\r\n\u547d\u4ee4\uff1a\r\n\r\n0,30 18-23 * * * \/etc\/init.d\/smb restart\r\n\r\n\u5b9e\u4f8b10\uff1a\u6bcf\u661f\u671f\u516d\u7684\u665a\u4e0a11 : 00 pm\u91cd\u542fsmb \r\n\r\n\u547d\u4ee4\uff1a\r\n\r\n0 23 * * 6 \/etc\/init.d\/smb restart\r\n\r\n\u5b9e\u4f8b11\uff1a\u6bcf\u4e00\u5c0f\u65f6\u91cd\u542fsmb \r\n\r\n\u547d\u4ee4\uff1a\r\n\r\n* *\/1 * * * \/etc\/init.d\/smb restart\r\n\r\n\u5b9e\u4f8b12\uff1a\u665a\u4e0a11\u70b9\u5230\u65e9\u4e0a7\u70b9\u4e4b\u95f4\uff0c\u6bcf\u9694\u4e00\u5c0f\u65f6\u91cd\u542fsmb \r\n\r\n\u547d\u4ee4\uff1a\r\n\r\n* 23-7\/1 * * * \/etc\/init.d\/smb restart\r\n\r\n\u5b9e\u4f8b13\uff1a\u6bcf\u6708\u76844\u53f7\u4e0e\u6bcf\u5468\u4e00\u5230\u5468\u4e09\u768411\u70b9\u91cd\u542fsmb \r\n\r\n\u547d\u4ee4\uff1a\r\n\r\n0 11 4 * mon-wed \/etc\/init.d\/smb restart\r\n\r\n\u5b9e\u4f8b14\uff1a\u4e00\u6708\u4e00\u53f7\u76844\u70b9\u91cd\u542fsmb \r\n\r\n\u547d\u4ee4\uff1a\r\n\r\n0 4 1 jan * \/etc\/init.d\/smb restart\r\n\r\n\u5b9e\u4f8b15\uff1a\u6bcf\u5c0f\u65f6\u6267\u884c\/etc\/cron.hourly\u76ee\u5f55\u5185\u7684\u811a\u672c\r\n\r\n\u547d\u4ee4\uff1a\r\n\r\n01   *   *   *   *     root run-parts \/etc\/cron.hourly<\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">3\uff0c\u542f\u52a8\u3001\u91cd\u542f\u3001\u505c\u6b62<\/span><\/p>\n<pre>\u67e5\u770bcrond\u670d\u52a1\u72b6\u6001\uff1aservice crond status\r\n\u542f\u52a8crond\u670d\u52a1\uff1aservice crond start\r\n\u505c\u6b62crond\u670d\u52a1\uff1aservice crond stop\r\n\u4fee\u6539\u4e86\u914d\u7f6e\uff0c\u91cd\u65b0\u8f7d\u5165\u914d\u7f6e\uff1aservice crond reload\r\n\u67e5\u770bcrond\u670d\u52a1\u662f\u5426\u5df2\u8bbe\u7f6e\u4e3a\u5f00\u673a\u542f\u52a8\uff0c\u6267\u884c\u547d\u4ee4\uff1antsysv\r\n\u52a0\u5165\u5f00\u673a\u81ea\u52a8\u542f\u52a8\uff1achkconfig --level 35 crond on<\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\">4\uff0c\u6267\u884c\u81ea\u5b9a\u4e49\u811a\u672c<\/span><\/p>\n<p>\u6848\u4f8b\uff1amysql\u5907\u4efd\u811a\u672c<\/p>\n<pre>#!\/bin\/sh\r\n\r\nDB_USER=root\r\nDB_PASS=****\r\nDB_NAME=xxx\r\nDB_BKPATH=\"\/usr\/local\/backup\"\r\nDATE=`date +%Y%m%d%H%M`\r\nHOUR_AGO=`date +%Y%m%d%H -d \"-1 hour\" `\r\n\r\ncd ${DB_BKPATH}\r\nmysqldump --opt -u${DB_USER} -p${DB_PASS} ${DB_NAME} &gt; ${DB_BKPATH}\/${DB_NAME}_${DATE}.sql\r\nrm -rf ${DB_BKPATH}\/${DB_NAME}_${HOUR_AGO}*<\/pre>\n<p>\u8981\u5b9a\u65f6\u6267\u884c\u4f7f\u7528crontab -e\u6765\u6dfb\u52a0\u5b9a\u65f6\u5907\u4efd\u6570\u636e\u5e93\uff0c\u76ee\u524d\u4e3a\u6bcf6\u4e2a\u5c0f\u65f6\u5907\u4efd\u4e00\u6b21\uff0c\u5177\u4f53\u547d\u4ee4\u4e3a\uff1a<\/p>\n<pre>\u8f93\u5165crontab -e\u547d\u4ee4\uff0c\u8fdb\u5165vim\u7f16\u8f91\u6a21\u5f0f\u76f4\u63a5\u52a0\u5165\u4ee5\u4e0b\u547d\u4ee4\uff0c\u4fdd\u5b58\u9000\u51fa\u5373\u53ef\u3002\r\n* *\/6 * * * sh \/usr\/local\/backup\/mysql_backup.sh<\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>\u53c2\u8003\uff1a<\/p>\n<p><a href=\"http:\/\/www.cnblogs.com\/peida\/archive\/2013\/01\/08\/2850483.html\" target=\"_blank\" rel=\"noopener\">http:\/\/www.cnblogs.com\/peida\/archive\/2013\/01\/08\/2850483.html<\/a><\/p>\n<p><a href=\"https:\/\/blog.csdn.net\/chen_jianjian\/article\/details\/48706465\" target=\"_blank\" rel=\"noopener\">https:\/\/blog.csdn.net\/chen_jianjian\/article\/details\/48706465<\/a><\/p>\n<p>&nbsp;<\/p>\n<p><audio style=\"display: none;\" controls=\"controls\"><\/audio><\/p>\n<p><audio style=\"display: none;\" controls=\"controls\"><\/audio><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5feb\u901f\u4f7f\u7528\uff1a # 1. \u7f16\u8f91\u5b9a\u65f6\u4efb\u52a1 crontab -e # 2. \u6dfb\u52a0\u4e00\u4e2a\u4efb\u52a1\uff08\u6bcf\u5929\u51cc\u66682\u70b9\u5907\u4efd\uff09 0 2  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-7139","post","type-post","status-publish","format-standard","hentry","category-wordpress"],"_links":{"self":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts\/7139","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7139"}],"version-history":[{"count":2,"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts\/7139\/revisions"}],"predecessor-version":[{"id":10013,"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts\/7139\/revisions\/10013"}],"wp:attachment":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}