Linux/Unix 蝟餌絞 crontab 蝔撘舐其霈蝟餌絞雿輻刻芾閮剖券閬 嚗閬鈭
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靘憒雿輻刻臭誑閮剖瘥銝拐8暺芸ftp 唳啣餅瑼獢嚗 瘥憭拙憭3暺芸隞質蝑...閬摰鋆蝵殷閮園扯撣貉酉 /usr/sbin/crond 蝔撘銝 Linux 券璈芸頛伐憒潛曄 crond 刻嚗臭誑 /etc/rc.d/init.d/ 桅銝臬行撠瑁crond 蝔撘隞文仿璈芸瑁瑼鋆⊿Ｕ憒賣銵函內瘝摰鋆crond, CentOS 銝芾銝隞 5 ~" n) e9 D1 i0 Q5 K4 B7 D
yum install vixie-cron 撠勗臬鋆摰
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# N; u1 e/ Z5 A& q/ d6 l雿輻刻臭誑 crontab -e(摮瑼敺喳餌) 隞支蝺典神閬撌乩撖怠其 file 鋆∴瑁 crontab filename 撠勗臭誑鈭雿輻刻 crontab 瑼賣摮 /var/spool/cron/ 銝,瑼撠望航府撣唾摮,靘憒 root
% p- c& g$ U7 |+ i$ J3 v- Bcrontab 澆憒銝嚗6 c8 I( m: C4 S! Z) u6 }0 C, D
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閬瑁隞
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+ {& l& _( l) h0 S1 W30 12 * * * /usr/bin/rm xxx.txt& {% p k4 I! ]$ L% @
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12:30 撠 xxx.txt 瑼獢畾箸
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血撖 crontab 瘜冽敹雿輻 蝯撠頝臬憒 rm 瑁瑼 敹撖急 /usr/bin/rm! N5 X l! b; A( |% p: x- |
靘:# every two hours at the top of the hour
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# every two hours from 11p.m. to 7a.m., and at 8a.m.2 N) {* N0 L+ J! t
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% S6 n `( P5 G# d2 T+ p: v5 m渲底蝝啣臬: http://linux.vbird.org/linux_basic/0430cron.php
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潸” 2015-9-22 22:11:29
嗉
鈭
霈
