{"id":542,"date":"2017-02-11T20:41:28","date_gmt":"2017-02-11T12:41:28","guid":{"rendered":"http:\/\/192.168.1.20\/?p=542"},"modified":"2017-02-11T20:41:28","modified_gmt":"2017-02-11T12:41:28","slug":"inux{d4daabd1ba368d9860c36387ddb72bbda14f8f9559d69d60a952800885260c03}e5{d4daabd1ba368d9860c36387ddb72bbda14f8f9559d69d60a952800885260c03}91{47dd41ec6bdcbd9a214c783a3735392b82ea6d1d918378c5a53e0640702","status":"publish","type":"post","link":"http:\/\/alextop.top\/?p=542","title":{"rendered":"inux\u547d\u4ee4\u5927\u5168\u4e4bcrontab\u547d\u4ee4\u4f7f\u7528\u8be6\u89e3"},"content":{"rendered":"

l
\n<\/strong><\/span><\/p>\n

crond<\/span>\u662f<\/span>linux<\/span>\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\u4e0e<\/span>windows<\/span>\u4e0b\u7684\u8ba1\u5212\u4efb\u52a1\u7c7b\u4f3c\uff0c\u4e0b\u9762\u662f\u4f7f\u7528\u65b9\u6cd5\u8be6\u89e3<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

at <\/span>\u547d\u4ee4\u662f\u9488\u5bf9\u4ec5\u8fd0\u884c\u4e00\u6b21\u7684\u4efb\u52a1\uff0c\u5faa\u73af\u8fd0\u884c\u7684\u4f8b\u884c\u6027\u8ba1\u5212\u4efb\u52a1\uff0c<\/span>linux<\/span>\u7cfb\u7edf\u5219\u662f\u7531<\/span> cron (crond) <\/span>\u8fd9\u4e2a\u7cfb\u7edf\u670d\u52a1\u6765\u63a7\u5236\u7684\u3002<\/span>Linux <\/span>\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<\/span>, <\/span>\u7531\u4e8e\u4f7f\u7528\u8005\u81ea\u5df1\u4e5f\u53ef\u4ee5\u8bbe\u7f6e\u8ba1\u5212\u4efb\u52a1\uff0c\u6240\u4ee5\uff0c<\/span> Linux <\/span>\u7cfb\u7edf\u4e5f\u63d0\u4f9b\u4e86\u4f7f\u7528\u8005\u63a7\u5236\u8ba1\u5212\u4efb\u52a1\u7684\u547d\u4ee4<\/span> :crontab <\/span>\u547d\u4ee4\u3002<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4e00\u3001<\/span>crond<\/span>\u7b80\u4ecb<\/span><\/strong>
<\/strong>crond<\/span>\u662f<\/span>linux<\/span>\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\u4e0e<\/span>windows<\/span>\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\u52a8<\/span>crond<\/span>\u8fdb\u7a0b\uff0c<\/span>crond<\/span>\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<\/span>
Linux<\/span>\u4e0b\u7684\u4efb\u52a1\u8c03\u5ea6\u5206\u4e3a\u4e24\u7c7b\uff0c\u7cfb\u7edf\u4efb\u52a1\u8c03\u5ea6\u548c\u7528\u6237\u4efb\u52a1\u8c03\u5ea6\u3002<\/span>
<\/span>\u7cfb\u7edf\u4efb\u52a1\u8c03\u5ea6\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<\/span>\/etc<\/span>\u76ee\u5f55\u4e0b\u6709\u4e00\u4e2a<\/span>crontab<\/span>\u6587\u4ef6\uff0c\u8fd9\u4e2a\u5c31\u662f\u7cfb\u7edf\u4efb\u52a1\u8c03\u5ea6\u7684\u914d\u7f6e\u6587\u4ef6\u3002<\/span>
\/etc\/crontab<\/span>\u6587\u4ef6\u5305\u62ec\u4e0b\u9762\u51e0\u884c\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u590d\u5236\u4ee3\u7801<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4ee3\u7801\u5982\u4e0b<\/span>:
\n<\/span><\/span><\/p>\n


[root@localhost ~]# cat \/etc\/crontab\u00a0
SHELL=\/bin\/bash
PATH=\/sbin:\/bin:\/usr\/sbin:\/usr\/bin
MAILTO=””HOME=\/
# run-parts
51 * * * * root run-parts \/etc\/cron.hourly
24 7 * * * root run-parts \/etc\/cron.daily
22 4 * * 0 root run-parts \/etc\/cron.weekly
42 4 1 * * root run-parts \/etc\/cron.monthly
[root@localhost ~]#
\n<\/span><\/p>\n

\u524d\u56db\u884c\u662f\u7528\u6765\u914d\u7f6e<\/span>crond<\/span>\u4efb\u52a1\u8fd0\u884c\u7684\u73af\u5883\u53d8\u91cf\uff0c\u7b2c\u4e00\u884c<\/span>SHELL<\/span>\u53d8\u91cf\u6307\u5b9a\u4e86\u7cfb\u7edf\u8981\u4f7f\u7528\u54ea\u4e2a<\/span>shell<\/span>\uff0c\u8fd9\u91cc\u662f<\/span>bash<\/span>\uff0c\u7b2c\u4e8c\u884c<\/span>PATH<\/span>\u53d8\u91cf\u6307\u5b9a\u4e86\u7cfb\u7edf\u6267\u884c\u547d\u4ee4\u7684\u8def\u5f84\uff0c\u7b2c\u4e09\u884c<\/span>MAILTO<\/span>\u53d8\u91cf\u6307\u5b9a\u4e86<\/span>crond<\/span>\u7684\u4efb\u52a1\u6267\u884c\u4fe1\u606f\u5c06\u901a\u8fc7\u7535\u5b50\u90ae\u4ef6\u53d1\u9001\u7ed9<\/span>root<\/span>\u7528\u6237\uff0c\u5982\u679c<\/span>MAILTO<\/span>\u53d8\u91cf\u7684\u503c\u4e3a\u7a7a\uff0c\u5219\u8868\u793a\u4e0d\u53d1\u9001\u4efb\u52a1\u6267\u884c\u4fe1\u606f\u7ed9\u7528\u6237\uff0c\u7b2c\u56db\u884c\u7684<\/span>HOME<\/span>\u53d8\u91cf\u6307\u5b9a\u4e86\u5728\u6267\u884c\u547d\u4ee4\u6216\u8005\u811a\u672c\u65f6\u4f7f\u7528\u7684\u4e3b\u76ee\u5f55\u3002\u7b2c\u516d\u81f3\u4e5d\u884c\u8868\u793a\u7684\u542b\u4e49\u5c06\u5728\u4e0b\u4e2a\u5c0f\u8282\u8be6\u7ec6\u8bb2\u8ff0\u3002\u8fd9\u91cc\u4e0d\u5728\u591a\u8bf4\u3002\u7528\u6237\u4efb\u52a1\u8c03\u5ea6\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<\/span> crontab <\/span>\u5de5\u5177\u6765\u5b9a\u5236\u81ea\u5df1\u7684\u8ba1\u5212\u4efb\u52a1\u3002\u6240\u6709\u7528\u6237\u5b9a\u4e49\u7684<\/span>crontab <\/span>\u6587\u4ef6\u90fd\u88ab\u4fdd\u5b58\u5728<\/span> \/var\/spool\/cron<\/span>\u76ee\u5f55\u4e2d\u3002\u5176\u6587\u4ef6\u540d\u4e0e\u7528\u6237\u540d\u4e00\u81f4\u3002<\/span><\/p>\n

<\/span>\u4f7f\u7528\u8005\u6743\u9650\u6587\u4ef6\uff1a<\/span>
<\/span>\u6587\u4ef6\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u590d\u5236\u4ee3\u7801<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4ee3\u7801\u5982\u4e0b<\/span>:
\n<\/span><\/span><\/p>\n


\/etc\/cron.deny
\n<\/span><\/p>\n


<\/span>\u8bf4\u660e\uff1a<\/span>
<\/span>\u8be5\u6587\u4ef6\u4e2d\u6240\u5217\u7528\u6237\u4e0d\u5141\u8bb8\u4f7f\u7528<\/span>crontab<\/span>\u547d\u4ee4<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u6587\u4ef6\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u590d\u5236\u4ee3\u7801<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4ee3\u7801\u5982\u4e0b<\/span>:
\n<\/span><\/span><\/p>\n


\/etc\/cron.allow
\n<\/span><\/p>\n


<\/span>\u8bf4\u660e\uff1a<\/span>
<\/span>\u8be5\u6587\u4ef6\u4e2d\u6240\u5217\u7528\u6237\u5141\u8bb8\u4f7f\u7528<\/span>crontab<\/span>\u547d\u4ee4<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u6587\u4ef6\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u590d\u5236\u4ee3\u7801<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4ee3\u7801\u5982\u4e0b<\/span>:
\n<\/span><\/span><\/p>\n


\/var\/spool\/cron\/
\n<\/span><\/p>\n


<\/span>\u8bf4\u660e\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u6240\u6709\u7528\u6237<\/span>crontab<\/span>\u6587\u4ef6\u5b58\u653e\u7684\u76ee\u5f55<\/span>,<\/span>\u4ee5\u7528\u6237\u540d\u547d\u540d<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

crontab<\/span>\u6587\u4ef6\u7684\u542b\u4e49\uff1a<\/span>
<\/span>\u7528\u6237\u6240\u5efa\u7acb\u7684<\/span>crontab<\/span>\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<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u590d\u5236\u4ee3\u7801<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4ee3\u7801\u5982\u4e0b<\/span>:
\n<\/span><\/span><\/p>\n


minute hour day month week command
\n<\/span><\/p>\n


<\/span>\u5176\u4e2d\uff1a<\/span>
minute<\/span>\uff1a<\/span>
\n\t\t\t<\/span>\u8868\u793a\u5206\u949f\uff0c\u53ef\u4ee5\u662f\u4ece<\/span>0<\/span>\u5230<\/span>59<\/span>\u4e4b\u95f4\u7684\u4efb\u4f55\u6574\u6570\u3002<\/span>
hour<\/span>\uff1a\u8868\u793a\u5c0f\u65f6\uff0c\u53ef\u4ee5\u662f\u4ece<\/span>0<\/span>\u5230<\/span>23<\/span>\u4e4b\u95f4\u7684\u4efb\u4f55\u6574\u6570\u3002<\/span>
day<\/span>\uff1a\u8868\u793a\u65e5\u671f\uff0c\u53ef\u4ee5\u662f\u4ece<\/span>1<\/span>\u5230<\/span>31<\/span>\u4e4b\u95f4\u7684\u4efb\u4f55\u6574\u6570\u3002<\/span>
month<\/span>\uff1a\u8868\u793a\u6708\u4efd\uff0c\u53ef\u4ee5\u662f\u4ece<\/span>1<\/span>\u5230<\/span>12<\/span>\u4e4b\u95f4\u7684\u4efb\u4f55\u6574\u6570\u3002<\/span>
week<\/span>\uff1a\u8868\u793a\u661f\u671f\u51e0\uff0c\u53ef\u4ee5\u662f\u4ece<\/span>0<\/span>\u5230<\/span>7<\/span>\u4e4b\u95f4\u7684\u4efb\u4f55\u6574\u6570\uff0c\u8fd9\u91cc\u7684<\/span>0<\/span>\u6216<\/span>7<\/span>\u4ee3\u8868\u661f\u671f\u65e5\u3002<\/span>
command<\/span>\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<\/span><\/p>\n

\u00a0\u00a0
<\/span>\u5728\u4ee5\u4e0a\u5404\u4e2a\u5b57\u6bb5\u4e2d\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7279\u6b8a\u5b57\u7b26<\/strong>\uff1a<\/span>
<\/span>\u661f\u53f7\uff08<\/span>*<\/span>\uff09\uff1a\u4ee3\u8868\u6240\u6709\u53ef\u80fd\u7684\u503c\uff0c\u4f8b\u5982<\/span>month<\/span>\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<\/span>
<\/span>\u9017\u53f7\uff08<\/span>,<\/span>\uff09\uff1a\u53ef\u4ee5\u7528\u9017\u53f7\u9694\u5f00\u7684\u503c\u6307\u5b9a\u4e00\u4e2a\u5217\u8868\u8303\u56f4\uff0c\u4f8b\u5982\uff0c<\/span>“1,2,5,7,8,9”
<\/span>\u4e2d\u6760\uff08<\/span>–<\/span>\uff09\uff1a\u53ef\u4ee5\u7528\u6574\u6570\u4e4b\u95f4\u7684\u4e2d\u6760\u8868\u793a\u4e00\u4e2a\u6574\u6570\u8303\u56f4\uff0c\u4f8b\u5982<\/span>“2-6”<\/span>\u8868\u793a<\/span>“2,3,4,5,6”
<\/span>\u6b63\u659c\u7ebf\uff08<\/span>\/<\/span>\uff09\uff1a\u53ef\u4ee5\u7528\u6b63\u659c\u7ebf\u6307\u5b9a\u65f6\u95f4\u7684\u95f4\u9694\u9891\u7387\uff0c\u4f8b\u5982<\/span>“0-23\/2”<\/span>\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<\/span>*\/10<\/span>\uff0c\u5982\u679c\u7528\u5728<\/span>minute<\/span>\u5b57\u6bb5\uff0c\u8868\u793a\u6bcf\u5341\u5206\u949f\u6267\u884c\u4e00\u6b21\u3002<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4e8c\u3001<\/span>crond<\/span>\u670d\u52a1<\/span><\/strong>
\n\t\t\t<\/span><\/span><\/p>\n

\u5b89\u88c5<\/span>crontab<\/span>\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u590d\u5236\u4ee3\u7801<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4ee3\u7801\u5982\u4e0b<\/span>:
\n<\/span><\/span><\/p>\n


yum install crontabs
\n<\/span><\/p>\n


<\/span>\u670d\u52a1\u64cd\u4f5c\u8bf4\u660e\uff1a<\/span>
\/sbin\/service crond start \/\/<\/span>\u542f\u52a8\u670d\u52a1<\/span>
\/sbin\/service crond stop \/\/<\/span>\u5173\u95ed\u670d\u52a1<\/span>
\/sbin\/service crond restart \/\/<\/span>\u91cd\u542f\u670d\u52a1<\/span>
\/sbin\/service crond reload \/\/<\/span>\u91cd\u65b0\u8f7d\u5165\u914d\u7f6e<\/span>
<\/span>\u67e5\u770b<\/span>crontab<\/span>\u670d\u52a1\u72b6\u6001\uff1a<\/span>
service crond status
<\/span>\u624b\u52a8\u542f\u52a8<\/span>crontab<\/span>\u670d\u52a1\uff1a<\/span>
service crond start
\n<\/span><\/span><\/p>\n

\u67e5\u770b<\/span>crontab<\/span>\u670d\u52a1\u662f\u5426\u5df2\u8bbe\u7f6e\u4e3a\u5f00\u673a\u542f\u52a8\uff0c\u6267\u884c\u547d\u4ee4\uff1a<\/span>ntsysv
<\/span>\u52a0\u5165\u5f00\u673a\u81ea\u52a8\u542f\u52a8\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u590d\u5236\u4ee3\u7801<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4ee3\u7801\u5982\u4e0b<\/span>:
\n<\/span><\/span><\/p>\n


chkconfig \u2013level 35 crond on
\n<\/span><\/p>\n

\u4e09\u3001<\/span>crontab<\/span>\u547d\u4ee4\u8be6\u89e3<\/span><\/strong>
\n\t\t\t<\/span><\/span><\/p>\n

1<\/span>\uff0e\u547d\u4ee4\u683c\u5f0f\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u590d\u5236\u4ee3\u7801<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4ee3\u7801\u5982\u4e0b<\/span>:
\n<\/span><\/span><\/p>\n


crontab [-u user] file
crontab [-u user] [ -e | -l | -r ]
\n<\/span><\/p>\n

2<\/span>\uff0e\u547d\u4ee4\u529f\u80fd\uff1a<\/span>
<\/span>\u901a\u8fc7<\/span>crontab <\/span>\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<\/span> shell script<\/span>\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<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

3<\/span>\uff0e\u547d\u4ee4\u53c2\u6570\uff1a<\/span>
-u user<\/span>\uff1a\u7528\u6765\u8bbe\u5b9a\u67d0\u4e2a\u7528\u6237\u7684<\/span>crontab<\/span>\u670d\u52a1\uff0c\u4f8b\u5982\uff0c<\/span>“-u ixdba”<\/span>\u8868\u793a\u8bbe\u5b9a<\/span>ixdba<\/span>\u7528\u6237\u7684<\/span>crontab<\/span>\u670d\u52a1\uff0c\u6b64\u53c2\u6570\u4e00\u822c\u6709<\/span>root<\/span>\u7528\u6237\u6765\u8fd0\u884c\u3002<\/span>
file<\/span>\uff1a<\/span>file<\/span>\u662f\u547d\u4ee4\u6587\u4ef6\u7684\u540d\u5b57<\/span>,<\/span>\u8868\u793a\u5c06<\/span>file<\/span>\u505a\u4e3a<\/span>crontab<\/span>\u7684\u4efb\u52a1\u5217\u8868\u6587\u4ef6\u5e76\u8f7d\u5165<\/span>crontab<\/span>\u3002\u5982\u679c\u5728\u547d\u4ee4\u884c\u4e2d\u6ca1\u6709\u6307\u5b9a\u8fd9\u4e2a\u6587\u4ef6\uff0c<\/span>crontab<\/span>\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\u5165<\/span>crontab<\/span>\u3002<\/span>
-e<\/span>\uff1a\u7f16\u8f91\u67d0\u4e2a\u7528\u6237\u7684<\/span>crontab<\/span>\u6587\u4ef6\u5185\u5bb9\u3002\u5982\u679c\u4e0d\u6307\u5b9a\u7528\u6237\uff0c\u5219\u8868\u793a\u7f16\u8f91\u5f53\u524d\u7528\u6237\u7684<\/span>crontab<\/span>\u6587\u4ef6\u3002<\/span>
-l<\/span>\uff1a\u663e\u793a\u67d0\u4e2a\u7528\u6237\u7684<\/span>crontab<\/span>\u6587\u4ef6\u5185\u5bb9\uff0c\u5982\u679c\u4e0d\u6307\u5b9a\u7528\u6237\uff0c\u5219\u8868\u793a\u663e\u793a\u5f53\u524d\u7528\u6237\u7684<\/span>crontab<\/span>\u6587\u4ef6\u5185\u5bb9\u3002<\/span>
-r<\/span>\uff1a\u4ece<\/span>\/var\/spool\/cron<\/span>\u76ee\u5f55\u4e2d\u5220\u9664\u67d0\u4e2a\u7528\u6237\u7684<\/span>crontab<\/span>\u6587\u4ef6\uff0c\u5982\u679c\u4e0d\u6307\u5b9a\u7528\u6237\uff0c\u5219\u9ed8\u8ba4\u5220\u9664\u5f53\u524d\u7528\u6237\u7684<\/span>crontab<\/span>\u6587\u4ef6\u3002<\/span>
-i<\/span>\uff1a\u5728\u5220\u9664\u7528\u6237\u7684<\/span>crontab<\/span>\u6587\u4ef6\u65f6\u7ed9\u786e\u8ba4\u63d0\u793a\u3002<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

4<\/span>\uff0e\u5e38\u7528\u65b9\u6cd5\uff1a<\/span>
1). <\/span>\u521b\u5efa\u4e00\u4e2a\u65b0\u7684<\/span>crontab<\/span>\u6587\u4ef6<\/span>
<\/span>\u5728\u8003\u8651\u5411<\/span>cron<\/span>\u8fdb\u7a0b\u63d0\u4ea4\u4e00\u4e2a<\/span>crontab<\/span>\u6587\u4ef6\u4e4b\u524d\uff0c\u9996\u5148\u8981\u505a\u7684\u4e00\u4ef6\u4e8b\u60c5\u5c31\u662f\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf<\/span>EDITOR<\/span>\u3002<\/span>cron<\/span>\u8fdb\u7a0b\u6839\u636e\u5b83\u6765\u786e\u5b9a\u4f7f\u7528\u54ea\u4e2a\u7f16\u8f91\u5668\u7f16\u8f91<\/span>crontab<\/span>\u6587\u4ef6\u3002<\/span>9 9 {d4daabd1ba368d9860c36387ddb72bbda14f8f9559d69d60a952800885260c03}<\/span>\u7684<\/span>UNIX<\/span>\u548c<\/span>LINUX<\/span>\u7528\u6237\u90fd\u4f7f\u7528<\/span>vi<\/span>\uff0c\u5982\u679c\u4f60\u4e5f\u662f\u8fd9\u6837\uff0c\u90a3\u4e48\u4f60\u5c31\u7f16\u8f91<\/span>$ HOME<\/span>\u76ee\u5f55\u4e0b\u7684<\/span>. profile<\/span>\u6587\u4ef6\uff0c\u5728\u5176\u4e2d\u52a0\u5165\u8fd9\u6837\u4e00\u884c\uff1a<\/span>
EDITOR=vi; export EDITOR
<\/span>\u7136\u540e\u4fdd\u5b58\u5e76\u9000\u51fa\u3002\u4e0d\u59a8\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a<\/span><user> cron<\/span>\u7684\u6587\u4ef6\uff0c\u5176\u4e2d<\/span><user><\/span>\u662f\u7528\u6237\u540d\uff0c\u4f8b\u5982\uff0c<\/span> davecron<\/span>\u3002\u5728\u8be5\u6587\u4ef6\u4e2d\u52a0\u5165\u5982\u4e0b\u7684\u5185\u5bb9\u3002<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u590d\u5236\u4ee3\u7801<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4ee3\u7801\u5982\u4e0b<\/span>:
\n<\/span><\/span><\/p>\n


# (put your own initials here)echo the date to the console every
# 15minutes between 6pm and 6am
0,15,30,45 18-06 * * * \/bin\/echo ‘date’ > \/dev\/console
\n<\/span><\/p>\n

\u4fdd\u5b58\u5e76\u9000\u51fa\u3002\u786e\u4fe1\u524d\u9762<\/span>5<\/span>\u4e2a\u57df\u7528\u7a7a\u683c\u5206\u9694\u3002<\/span>
<\/span>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u7cfb\u7edf\u5c06\u6bcf\u9694<\/span>1 5<\/span>\u5206\u949f\u5411\u63a7\u5236\u53f0\u8f93\u51fa\u4e00\u6b21\u5f53\u524d\u65f6\u95f4\u3002\u5982\u679c\u7cfb\u7edf\u5d29\u6e83\u6216\u6302\u8d77\uff0c\u4ece\u6700\u540e\u6240\u663e\u793a\u7684\u65f6\u95f4\u5c31\u53ef\u4ee5\u4e00\u773c\u770b\u51fa\u7cfb\u7edf\u662f\u4ec0\u4e48\u65f6\u95f4\u505c\u6b62\u5de5\u4f5c\u7684\u3002\u5728\u6709\u4e9b\u7cfb\u7edf\u4e2d\uff0c\u7528<\/span>tty1<\/span>\u6765\u8868\u793a\u63a7\u5236\u53f0\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u5bf9\u4e0a\u9762\u7684\u4f8b\u5b50\u8fdb\u884c\u76f8\u5e94\u7684\u4fee\u6539\u3002\u4e3a\u4e86\u63d0\u4ea4\u4f60\u521a\u521a\u521b\u5efa\u7684<\/span>crontab<\/span>\u6587\u4ef6\uff0c\u53ef\u4ee5\u628a\u8fd9\u4e2a\u65b0\u521b\u5efa\u7684\u6587\u4ef6\u4f5c\u4e3a<\/span>cron<\/span>\u547d\u4ee4\u7684\u53c2\u6570\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u590d\u5236\u4ee3\u7801<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4ee3\u7801\u5982\u4e0b<\/span>:
\n<\/span><\/span><\/p>\n


$ crontab davecron
\n<\/span><\/p>\n

\u73b0\u5728\u8be5\u6587\u4ef6\u5df2\u7ecf\u63d0\u4ea4\u7ed9<\/span>cron<\/span>\u8fdb\u7a0b\uff0c\u5b83\u5c06\u6bcf\u9694<\/span>1 5<\/span>\u5206\u949f\u8fd0\u884c\u4e00\u6b21\u3002<\/span>
<\/span>\u540c\u65f6\uff0c\u65b0\u521b\u5efa\u6587\u4ef6\u7684\u4e00\u4e2a\u526f\u672c\u5df2\u7ecf\u88ab\u653e\u5728<\/span>\/var\/spool\/cron<\/span>\u76ee\u5f55\u4e2d\uff0c\u6587\u4ef6\u540d\u5c31\u662f\u7528\u6237\u540d<\/span>(<\/span>\u5373<\/span>dave)<\/span>\u3002<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

2). <\/span>\u5217\u51fa<\/span>crontab<\/span>\u6587\u4ef6<\/span>
<\/span>\u4e3a\u4e86\u5217\u51fa<\/span>crontab<\/span>\u6587\u4ef6\uff0c\u53ef\u4ee5\u7528\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u590d\u5236\u4ee3\u7801<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4ee3\u7801\u5982\u4e0b<\/span>:
\n<\/span><\/span><\/p>\n


$ crontab -l
0,15,30,45,18-06 * * * \/bin\/echo `date` > dev\/tty1
\n<\/span><\/p>\n

\u4f60\u5c06\u4f1a\u770b\u5230\u548c\u4e0a\u9762\u7c7b\u4f3c\u7684\u5185\u5bb9\u3002\u53ef\u4ee5\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\u5728<\/span>$ H O M E<\/span>\u76ee\u5f55\u4e2d\u5bf9<\/span>crontab<\/span>\u6587\u4ef6\u505a\u4e00\u5907\u4efd\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u590d\u5236\u4ee3\u7801<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4ee3\u7801\u5982\u4e0b<\/span>:
\n<\/span><\/span><\/p>\n


$ crontab -l > $HOME\/mycron
\n<\/span><\/p>\n


<\/span>\u8fd9\u6837\uff0c\u4e00\u65e6\u4e0d\u5c0f\u5fc3\u8bef\u5220\u4e86<\/span>crontab<\/span>\u6587\u4ef6\uff0c\u53ef\u4ee5\u7528\u4e0a\u4e00\u8282\u6240\u8bb2\u8ff0\u7684\u65b9\u6cd5\u8fc5\u901f\u6062\u590d\u3002<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

3). <\/span>\u7f16\u8f91<\/span>crontab<\/span>\u6587\u4ef6<\/span>
<\/span>\u5982\u679c\u5e0c\u671b\u6dfb\u52a0\u3001\u5220\u9664\u6216\u7f16\u8f91<\/span>crontab<\/span>\u6587\u4ef6\u4e2d\u7684\u6761\u76ee\uff0c\u800c<\/span>E D I TO R<\/span>\u73af\u5883\u53d8\u91cf\u53c8\u8bbe\u7f6e\u4e3a<\/span>v i<\/span>\uff0c\u90a3\u4e48\u5c31\u53ef\u4ee5\u7528<\/span>v i<\/span>\u6765\u7f16\u8f91<\/span>crontab<\/span>\u6587\u4ef6\uff0c\u76f8\u5e94\u7684\u547d\u4ee4\u4e3a\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u590d\u5236\u4ee3\u7801<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4ee3\u7801\u5982\u4e0b<\/span>:
\n<\/span><\/span><\/p>\n


$ crontab -e
\n<\/span><\/p>\n


<\/span>\u53ef\u4ee5\u50cf\u4f7f\u7528<\/span>v i<\/span>\u7f16\u8f91\u5176\u4ed6\u4efb\u4f55\u6587\u4ef6\u90a3\u6837\u4fee\u6539<\/span>crontab<\/span>\u6587\u4ef6\u5e76\u9000\u51fa\u3002\u5982\u679c\u4fee\u6539\u4e86\u67d0\u4e9b\u6761\u76ee\u6216\u6dfb\u52a0\u4e86\u65b0\u7684\u6761\u76ee\uff0c\u90a3\u4e48\u5728\u4fdd\u5b58\u8be5\u6587\u4ef6\u65f6\uff0c<\/span> c r o n<\/span>\u4f1a\u5bf9\u5176\u8fdb\u884c\u5fc5\u8981\u7684\u5b8c\u6574\u6027\u68c0\u67e5\u3002\u5982\u679c\u5176\u4e2d\u7684\u67d0\u4e2a\u57df\u51fa\u73b0\u4e86\u8d85\u51fa\u5141\u8bb8\u8303\u56f4\u7684\u503c\uff0c\u5b83\u4f1a\u63d0\u793a\u4f60\u3002<\/span>
<\/span>\u6211\u4eec\u5728\u7f16\u8f91<\/span>crontab<\/span>\u6587\u4ef6\u65f6\uff0c\u6ca1\u51c6\u4f1a\u52a0\u5165\u65b0\u7684\u6761\u76ee\u3002\u4f8b\u5982\uff0c\u52a0\u5165\u4e0b\u9762\u7684\u4e00\u6761\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u590d\u5236\u4ee3\u7801<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4ee3\u7801\u5982\u4e0b<\/span>:
\n<\/span><\/span><\/p>\n


# DT:delete core files,at 3.30am on 1,7,14,21,26,26 days of each month
30 3 1,7,14,21,26 * * \/bin\/find -name “core’ -exec rm {} \\;
\n<\/span><\/p>\n

\u73b0\u5728\u4fdd\u5b58\u5e76\u9000\u51fa\u3002\u6700\u597d\u5728<\/span>crontab<\/span>\u6587\u4ef6\u7684\u6bcf\u4e00\u4e2a\u6761\u76ee\u4e4b\u4e0a\u52a0\u5165\u4e00\u6761\u6ce8\u91ca\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u77e5\u9053\u5b83\u7684\u529f\u80fd\u3001\u8fd0\u884c\u65f6\u95f4\uff0c\u66f4\u4e3a\u91cd\u8981\u7684\u662f\uff0c\u77e5\u9053\u8fd9\u662f\u54ea\u4f4d\u7528\u6237\u7684\u4f5c\u4e1a\u3002<\/span>
<\/span>\u73b0\u5728\u8ba9\u6211\u4eec\u4f7f\u7528\u524d\u9762\u8bb2\u8fc7\u7684<\/span>crontab -l<\/span>\u547d\u4ee4\u5217\u51fa\u5b83\u7684\u5168\u90e8\u4fe1\u606f\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u590d\u5236\u4ee3\u7801<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4ee3\u7801\u5982\u4e0b<\/span>:
\n<\/span><\/span><\/p>\n


$ crontab -l\u00a0
# (crondave installed on Tue May 4 13:07:43 1999)
# DT:ech the date to the console every 30 minites
0,15,30,45 18-06 * * * \/bin\/echo `date` > \/dev\/tty1
# DT:delete core files,at 3.30am on 1,7,14,21,26,26 days of each month
30 3 1,7,14,21,26 * * \/bin\/find -name “core’ -exec rm {} \\;
\n<\/span><\/p>\n

4). <\/span>\u5220\u9664<\/span>crontab<\/span>\u6587\u4ef6<\/span>
<\/span>\u8981\u5220\u9664<\/span>crontab<\/span>\u6587\u4ef6\uff0c\u53ef\u4ee5\u7528\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u590d\u5236\u4ee3\u7801<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4ee3\u7801\u5982\u4e0b<\/span>:
\n<\/span><\/span><\/p>\n


$ crontab -r
\n<\/span><\/p>\n

5). <\/span>\u6062\u590d\u4e22\u5931\u7684<\/span>crontab<\/span>\u6587\u4ef6<\/span>
<\/span>\u5982\u679c\u4e0d\u5c0f\u5fc3\u8bef\u5220\u4e86<\/span>crontab<\/span>\u6587\u4ef6\uff0c\u5047\u8bbe\u4f60\u5728\u81ea\u5df1\u7684<\/span>$ H O M E<\/span>\u76ee\u5f55\u4e0b\u8fd8\u6709\u4e00\u4e2a\u5907\u4efd\uff0c\u90a3\u4e48\u53ef\u4ee5\u5c06\u5176\u62f7\u8d1d\u5230<\/span>\/var\/spool\/cron\/<username><\/span>\uff0c\u5176\u4e2d<\/span><username><\/span>\u662f\u7528\u6237\u540d\u3002\u5982\u679c\u7531\u4e8e\u6743\u9650\u95ee\u9898\u65e0\u6cd5\u5b8c\u6210\u62f7\u8d1d\uff0c\u53ef\u4ee5\u7528\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u590d\u5236\u4ee3\u7801<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4ee3\u7801\u5982\u4e0b<\/span>:
\n<\/span><\/span><\/p>\n


$ crontab <filename>
\n<\/span><\/p>\n


<\/span>\u5176\u4e2d\uff0c<\/span><filename><\/span>\u662f\u4f60\u5728<\/span>$ H O M E<\/span>\u76ee\u5f55\u4e2d\u526f\u672c\u7684\u6587\u4ef6\u540d\u3002<\/span>
<\/span>\u6211\u5efa\u8bae\u4f60\u5728\u81ea\u5df1\u7684<\/span>$ H O M E<\/span>\u76ee\u5f55\u4e2d\u4fdd\u5b58\u4e00\u4e2a\u8be5\u6587\u4ef6\u7684\u526f\u672c\u3002\u6211\u5c31\u6709\u8fc7\u7c7b\u4f3c\u7684\u7ecf\u5386\uff0c\u6709\u6570\u6b21\u8bef\u5220\u4e86<\/span>crontab<\/span>\u6587\u4ef6\uff08\u56e0\u4e3a<\/span>r<\/span>\u952e\u7d27\u6328\u5728<\/span>e<\/span>\u952e\u7684\u53f3\u8fb9\uff09\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u6709\u4e9b\u7cfb\u7edf\u6587\u6863\u5efa\u8bae\u4e0d\u8981\u76f4\u63a5\u7f16\u8f91<\/span>crontab<\/span>\u6587\u4ef6\uff0c\u800c\u662f\u7f16\u8f91\u8be5\u6587\u4ef6\u7684\u4e00\u4e2a\u526f\u672c\uff0c\u7136\u540e\u91cd\u65b0\u63d0\u4ea4\u65b0\u7684\u6587\u4ef6\u3002<\/span>
<\/span>\u6709\u4e9b<\/span>crontab<\/span>\u7684\u53d8\u4f53\u6709\u4e9b\u602a\u5f02\uff0c\u6240\u4ee5\u5728\u4f7f\u7528<\/span>crontab<\/span>\u547d\u4ee4\u65f6\u8981\u683c\u5916\u5c0f\u5fc3\u3002\u5982\u679c\u9057\u6f0f\u4e86\u4efb\u4f55\u9009\u9879\uff0c<\/span>crontab<\/span>\u53ef\u80fd\u4f1a\u6253\u5f00\u4e00\u4e2a\u7a7a\u6587\u4ef6\uff0c\u6216\u8005\u770b\u8d77\u6765\u50cf\u662f\u4e2a\u7a7a\u6587\u4ef6\u3002\u8fd9\u65f6\u6572<\/span>delete<\/span>\u952e\u9000\u51fa\uff0c\u4e0d\u8981\u6309<\/span><Ctrl-D><\/span>\uff0c\u5426\u5219\u4f60\u5c06\u4e22\u5931<\/span>crontab<\/span>\u6587\u4ef6\u3002<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

5<\/span>\uff0e\u4f7f\u7528\u5b9e\u4f8b<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u5b9e\u4f8b<\/span>1<\/span>\uff1a\u6bcf<\/span>1<\/span>\u5206\u949f\u6267\u884c\u4e00\u6b21<\/span>command
<\/span>\u547d\u4ee4\uff1a<\/span>
* * * * * command
\u00a0
<\/span>\u5b9e\u4f8b<\/span>2<\/span>\uff1a\u6bcf\u5c0f\u65f6\u7684\u7b2c<\/span>3<\/span>\u548c\u7b2c<\/span>15<\/span>\u5206\u949f\u6267\u884c<\/span>
<\/span>\u547d\u4ee4\uff1a<\/span>
3,15 * * * * command
\u00a0
<\/span>\u5b9e\u4f8b<\/span>3<\/span>\uff1a\u5728\u4e0a\u5348<\/span>8<\/span>\u70b9\u5230<\/span>11<\/span>\u70b9\u7684\u7b2c<\/span>3<\/span>\u548c\u7b2c<\/span>15<\/span>\u5206\u949f\u6267\u884c<\/span>
<\/span>\u547d\u4ee4\uff1a<\/span>
3,15 8-11 * * * command
\u00a0
<\/span>\u5b9e\u4f8b<\/span>4<\/span>\uff1a\u6bcf\u9694\u4e24\u5929\u7684\u4e0a\u5348<\/span>8<\/span>\u70b9\u5230<\/span>11<\/span>\u70b9\u7684\u7b2c<\/span>3<\/span>\u548c\u7b2c<\/span>15<\/span>\u5206\u949f\u6267\u884c<\/span>
<\/span>\u547d\u4ee4\uff1a<\/span>
3,15 8-11 *\/2 * * command
\u00a0
<\/span>\u5b9e\u4f8b<\/span>5<\/span>\uff1a\u6bcf\u4e2a\u661f\u671f\u4e00\u7684\u4e0a\u5348<\/span>8<\/span>\u70b9\u5230<\/span>11<\/span>\u70b9\u7684\u7b2c<\/span>3<\/span>\u548c\u7b2c<\/span>15<\/span>\u5206\u949f\u6267\u884c<\/span>
<\/span>\u547d\u4ee4\uff1a<\/span>
3,15 8-11 * * 1 command
\u00a0
<\/span>\u5b9e\u4f8b<\/span>6<\/span>\uff1a\u6bcf\u665a\u7684<\/span>21:30<\/span>\u91cd\u542f<\/span>smb\u00a0
<\/span>\u547d\u4ee4\uff1a<\/span>
30 21 * * * \/etc\/init.d\/smb restart
\u00a0
<\/span>\u5b9e\u4f8b<\/span>7<\/span>\uff1a\u6bcf\u6708<\/span>1<\/span>\u3001<\/span>10<\/span>\u3001<\/span>22<\/span>\u65e5\u7684<\/span>4 : 45<\/span>\u91cd\u542f<\/span>smb\u00a0
<\/span>\u547d\u4ee4\uff1a<\/span>
45 4 1,10,22 * * \/etc\/init.d\/smb restart
\u00a0
<\/span>\u5b9e\u4f8b<\/span>8<\/span>\uff1a\u6bcf\u5468\u516d\u3001\u5468\u65e5\u7684<\/span>1 : 10<\/span>\u91cd\u542f<\/span>smb
<\/span>\u547d\u4ee4\uff1a<\/span>
10 1 * * 6,0 \/etc\/init.d\/smb restart
\u00a0
<\/span>\u5b9e\u4f8b<\/span>9<\/span>\uff1a\u6bcf\u5929<\/span>18 : 00<\/span>\u81f3<\/span>23 : 00<\/span>\u4e4b\u95f4\u6bcf\u9694<\/span>30<\/span>\u5206\u949f\u91cd\u542f<\/span>smb\u00a0
<\/span>\u547d\u4ee4\uff1a<\/span>
0,30 18-23 * * * \/etc\/init.d\/smb restart
\u00a0
<\/span>\u5b9e\u4f8b<\/span>10<\/span>\uff1a\u6bcf\u661f\u671f\u516d\u7684\u665a\u4e0a<\/span>11 : 00 pm<\/span>\u91cd\u542f<\/span>smb\u00a0
<\/span>\u547d\u4ee4\uff1a<\/span>
0 23 * * 6 \/etc\/init.d\/smb restart
\u00a0
<\/span>\u5b9e\u4f8b<\/span>11<\/span>\uff1a\u6bcf\u4e00\u5c0f\u65f6\u91cd\u542f<\/span>smb\u00a0
<\/span>\u547d\u4ee4\uff1a<\/span>
* *\/1 * * * \/etc\/init.d\/smb restart
\u00a0
<\/span>\u5b9e\u4f8b<\/span>12<\/span>\uff1a\u665a\u4e0a<\/span>11<\/span>\u70b9\u5230\u65e9\u4e0a<\/span>7<\/span>\u70b9\u4e4b\u95f4\uff0c\u6bcf\u9694\u4e00\u5c0f\u65f6\u91cd\u542f<\/span>smb\u00a0
<\/span>\u547d\u4ee4\uff1a<\/span>
* 23-7\/1 * * * \/etc\/init.d\/smb restart
\u00a0
<\/span>\u5b9e\u4f8b<\/span>13<\/span>\uff1a\u6bcf\u6708\u7684<\/span>4<\/span>\u53f7\u4e0e\u6bcf\u5468\u4e00\u5230\u5468\u4e09\u7684<\/span>11<\/span>\u70b9\u91cd\u542f<\/span>smb\u00a0
<\/span>\u547d\u4ee4\uff1a<\/span>
0 11 4 * mon-wed \/etc\/init.d\/smb restart
\u00a0
<\/span>\u5b9e\u4f8b<\/span>14<\/span>\uff1a\u4e00\u6708\u4e00\u53f7\u7684<\/span>4<\/span>\u70b9\u91cd\u542f<\/span>smb\u00a0
<\/span>\u547d\u4ee4\uff1a<\/span>
0 4 1 jan * \/etc\/init.d\/smb restart
<\/span>\u5b9e\u4f8b<\/span>15<\/span>\uff1a\u6bcf\u5c0f\u65f6\u6267\u884c<\/span>\/etc\/cron.hourly<\/span>\u76ee\u5f55\u5185\u7684\u811a\u672c<\/span>
<\/span>\u547d\u4ee4\uff1a<\/span>
01\u00a0\u00a0 *\u00a0\u00a0 *\u00a0\u00a0 *\u00a0\u00a0 *\u00a0\u00a0\u00a0\u00a0 root run-parts \/etc\/cron.hourly
<\/span>\u8bf4\u660e\uff1a<\/span>
run-parts<\/span>\u8fd9\u4e2a\u53c2\u6570\u4e86\uff0c\u5982\u679c\u53bb\u6389\u8fd9\u4e2a\u53c2\u6570\u7684\u8bdd\uff0c\u540e\u9762\u5c31\u53ef\u4ee5\u5199\u8981\u8fd0\u884c\u7684\u67d0\u4e2a\u811a\u672c\u540d\uff0c\u800c\u4e0d\u662f\u76ee\u5f55\u540d\u4e86<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u56db\u3001\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879<\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

1. <\/span>\u6ce8\u610f\u73af\u5883\u53d8\u91cf\u95ee\u9898<\/span>
<\/span>\u6709\u65f6\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a<\/span>crontab<\/span>\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<\/span>crontab<\/span>\u6587\u4ef6\u4e2d\u6ca1\u6709\u914d\u7f6e\u73af\u5883\u53d8\u91cf\u5f15\u8d77\u7684\u3002<\/span>
<\/span>\u5728<\/span>crontab<\/span>\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<\/span>shell<\/span>\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<\/span>crontab<\/span>\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<\/span>
<\/span>\u4e0d\u8981\u5047\u5b9a<\/span>cron<\/span>\u77e5\u9053\u6240\u9700\u8981\u7684\u7279\u6b8a\u73af\u5883\uff0c\u5b83\u5176\u5b9e\u5e76\u4e0d\u77e5\u9053\u3002\u6240\u4ee5\u4f60\u8981\u4fdd\u8bc1\u5728<\/span>shelll<\/span>\u811a\u672c\u4e2d\u63d0\u4f9b\u6240\u6709\u5fc5\u8981\u7684\u8def\u5f84\u548c\u73af\u5883\u53d8\u91cf\uff0c\u9664\u4e86\u4e00\u4e9b\u81ea\u52a8\u8bbe\u7f6e\u7684\u5168\u5c40\u53d8\u91cf\u3002\u6240\u4ee5\u6ce8\u610f\u5982\u4e0b<\/span>3<\/span>\u70b9\uff1a<\/span>
1<\/span>\uff09\u811a\u672c\u4e2d\u6d89\u53ca\u6587\u4ef6\u8def\u5f84\u65f6\u5199\u5168\u5c40\u8def\u5f84\uff1b<\/span>
2<\/span>\uff09\u811a\u672c\u6267\u884c\u8981\u7528\u5230<\/span>java<\/span>\u6216\u5176\u4ed6\u73af\u5883\u53d8\u91cf\u65f6\uff0c\u901a\u8fc7<\/span>source<\/span>\u547d\u4ee4\u5f15\u5165\u73af\u5883\u53d8\u91cf\uff0c\u5982\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u590d\u5236\u4ee3\u7801<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4ee3\u7801\u5982\u4e0b<\/span>:
\n<\/span><\/span><\/p>\n


cat start_cbp.sh
#!\/bin\/sh
source \/etc\/profile
export RUN_CONF=\/home\/d139\/conf\/platform\/cbp\/cbp_jboss.conf
\/usr\/local\/jboss-4.0.5\/bin\/run.sh -c mev &
\n<\/span><\/p>\n

3<\/span>\uff09\u5f53\u624b\u52a8\u6267\u884c\u811a\u672c<\/span>OK<\/span>\uff0c\u4f46\u662f<\/span>crontab<\/span>\u6b7b\u6d3b\u4e0d\u6267\u884c\u65f6\u3002\u8fd9\u65f6\u5fc5\u987b\u5927\u80c6\u6000\u7591\u662f\u73af\u5883\u53d8\u91cf\u60f9\u7684\u7978\uff0c\u5e76\u53ef\u4ee5\u5c1d\u8bd5\u5728<\/span>crontab<\/span>\u4e2d\u76f4\u63a5\u5f15\u5165\u73af\u5883\u53d8\u91cf\u89e3\u51b3\u95ee\u9898\u3002\u5982\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u590d\u5236\u4ee3\u7801<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4ee3\u7801\u5982\u4e0b<\/span>:
\n<\/span><\/span><\/p>\n


0 * * * * . \/etc\/profile;\/bin\/sh \/var\/www\/java\/audit_no_count\/bin\/restart_audit.sh
\n<\/span><\/p>\n

2. <\/span>\u6ce8\u610f\u6e05\u7406\u7cfb\u7edf\u7528\u6237\u7684\u90ae\u4ef6\u65e5\u5fd7<\/span>
<\/span>\u6bcf\u6761\u4efb\u52a1\u8c03\u5ea6\u6267\u884c\u5b8c\u6bd5\uff0c\u7cfb\u7edf\u90fd\u4f1a\u5c06\u4efb\u52a1\u8f93\u51fa\u4fe1\u606f\u901a\u8fc7\u7535\u5b50\u90ae\u4ef6\u7684\u5f62\u5f0f\u53d1\u9001\u7ed9\u5f53\u524d\u7cfb\u7edf\u7528\u6237\uff0c\u8fd9\u6837\u65e5\u79ef\u6708\u7d2f\uff0c\u65e5\u5fd7\u4fe1\u606f\u4f1a\u975e\u5e38\u5927\uff0c\u53ef\u80fd\u4f1a\u5f71\u54cd\u7cfb\u7edf\u7684\u6b63\u5e38\u8fd0\u884c\uff0c\u56e0\u6b64\uff0c\u5c06\u6bcf\u6761\u4efb\u52a1\u8fdb\u884c\u91cd\u5b9a\u5411\u5904\u7406\u975e\u5e38\u91cd\u8981\u3002<\/span>
<\/span>\u4f8b\u5982\uff0c\u53ef\u4ee5\u5728<\/span>crontab<\/span>\u6587\u4ef6\u4e2d\u8bbe\u7f6e\u5982\u4e0b\u5f62\u5f0f\uff0c\u5ffd\u7565\u65e5\u5fd7\u8f93\u51fa\uff1a<\/span>
0 *\/3 * * * \/usr\/local\/apache2\/apachectl restart >\/dev\/null 2>&1
“\/dev\/null 2>&1”<\/span>\u8868\u793a\u5148\u5c06\u6807\u51c6\u8f93\u51fa\u91cd\u5b9a\u5411\u5230<\/span>\/dev\/null<\/span>\uff0c\u7136\u540e\u5c06\u6807\u51c6\u9519\u8bef\u91cd\u5b9a\u5411\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u7531\u4e8e\u6807\u51c6\u8f93\u51fa\u5df2\u7ecf\u91cd\u5b9a\u5411\u5230\u4e86<\/span>\/dev\/null<\/span>\uff0c\u56e0\u6b64\u6807\u51c6\u9519\u8bef\u4e5f\u4f1a\u91cd\u5b9a\u5411\u5230<\/span>\/dev\/null<\/span>\uff0c\u8fd9\u6837\u65e5\u5fd7\u8f93\u51fa\u95ee\u9898\u5c31\u89e3\u51b3\u4e86\u3002<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

3. <\/span>\u7cfb\u7edf\u7ea7\u4efb\u52a1\u8c03\u5ea6\u4e0e\u7528\u6237\u7ea7\u4efb\u52a1\u8c03\u5ea6<\/span>
<\/span>\u7cfb\u7edf\u7ea7\u4efb\u52a1\u8c03\u5ea6\u4e3b\u8981\u5b8c\u6210\u7cfb\u7edf\u7684\u4e00\u4e9b\u7ef4\u62a4\u64cd\u4f5c\uff0c\u7528\u6237\u7ea7\u4efb\u52a1\u8c03\u5ea6\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<\/span>root<\/span>\u7528\u6237\u7684\u4efb\u52a1\u8c03\u5ea6\u64cd\u4f5c\u53ef\u4ee5\u901a\u8fc7<\/span>“crontab \u2013uroot \u2013e”<\/span>\u6765\u8bbe\u7f6e\uff0c\u4e5f\u53ef\u4ee5\u5c06\u8c03\u5ea6\u4efb\u52a1\u76f4\u63a5\u5199\u5165<\/span>\/etc\/crontab<\/span>\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<\/span>\/etc\/crontab<\/span>\u6587\u4ef6\uff0c\u5373\u4f7f\u5728<\/span>root<\/span>\u7528\u6237\u4e0b\u521b\u5efa\u4e00\u4e2a\u5b9a\u65f6\u91cd\u542f\u7cfb\u7edf\u7684\u4efb\u52a1\u4e5f\u662f\u65e0\u6548\u7684\u3002<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

4. <\/span>\u5176\u4ed6\u6ce8\u610f\u4e8b\u9879<\/span>
<\/span>\u65b0\u521b\u5efa\u7684<\/span>cron job<\/span>\uff0c\u4e0d\u4f1a\u9a6c\u4e0a\u6267\u884c\uff0c\u81f3\u5c11\u8981\u8fc7<\/span>2<\/span>\u5206\u949f\u624d\u6267\u884c\u3002\u5982\u679c\u91cd\u542f<\/span>cron<\/span>\u5219\u9a6c\u4e0a\u6267\u884c\u3002<\/span>
<\/span>\u5f53<\/span>crontab<\/span>\u7a81\u7136\u5931\u6548\u65f6\uff0c\u53ef\u4ee5\u5c1d\u8bd5<\/span>\/etc\/init.d\/crond restart<\/span>\u89e3\u51b3\u95ee\u9898\u3002\u6216\u8005\u67e5\u770b\u65e5\u5fd7\u770b\u67d0\u4e2a<\/span>job<\/span>\u6709\u6ca1\u6709\u6267\u884c<\/span>\/<\/span>\u62a5\u9519<\/span>tail -f \/var\/log\/cron<\/span>\u3002<\/span>
<\/span>\u5343\u4e07\u522b\u4e71\u8fd0\u884c<\/span>crontab -r<\/span>\u3002\u5b83\u4ece<\/span>Crontab<\/span>\u76ee\u5f55\uff08<\/span>\/var\/spool\/cron<\/span>\uff09\u4e2d\u5220\u9664\u7528\u6237\u7684<\/span>Crontab<\/span>\u6587\u4ef6\u3002\u5220\u9664\u4e86\u8be5\u7528\u6237\u7684\u6240\u6709<\/span>crontab<\/span>\u90fd\u6ca1\u4e86\u3002<\/span>
<\/span>\u5728<\/span>crontab<\/span>\u4e2d<\/span>{d4daabd1ba368d9860c36387ddb72bbda14f8f9559d69d60a952800885260c03}<\/span>\u662f\u6709\u7279\u6b8a\u542b\u4e49\u7684\uff0c\u8868\u793a\u6362\u884c\u7684\u610f\u601d\u3002\u5982\u679c\u8981\u7528\u7684\u8bdd\u5fc5\u987b\u8fdb\u884c\u8f6c\u4e49<\/span>\\{d4daabd1ba368d9860c36387ddb72bbda14f8f9559d69d60a952800885260c03}<\/span>\uff0c\u5982\u7ecf\u5e38\u7528\u7684<\/span>date ‘+{d4daabd1ba368d9860c36387ddb72bbda14f8f9559d69d60a952800885260c03}Y{d4daabd1ba368d9860c36387ddb72bbda14f8f9559d69d60a952800885260c03}m{d4daabd1ba368d9860c36387ddb72bbda14f8f9559d69d60a952800885260c03}d’<\/span>\u5728<\/span>crontab<\/span>\u91cc\u662f\u4e0d\u4f1a\u6267\u884c\u7684\uff0c\u5e94\u8be5\u6362\u6210<\/span>date ‘+\\{d4daabd1ba368d9860c36387ddb72bbda14f8f9559d69d60a952800885260c03}Y\\{d4daabd1ba368d9860c36387ddb72bbda14f8f9559d69d60a952800885260c03}m\\{d4daabd1ba368d9860c36387ddb72bbda14f8f9559d69d60a952800885260c03}d’<\/span>\u3002<\/span>
\n\t\t\t<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

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