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: i& d7 O, y0 Z4 Z. H2 {/ o( e$ z
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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
. P/ b& X0 N. cyum install vixie-cron 撠勗臬鋆摰
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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
9 H0 ~ I) \8 `0 vcrontab 澆憒銝嚗: o4 _$ k: J/ k, q& m3 c
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閬瑁隞
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30 12 * * * /usr/bin/rm xxx.txt
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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+ {8 Q+ k3 c7 L
靘:# every two hours at the top of the hour7 u- ?$ x( V4 H
0 */2 * * * date7 A' l, k, S3 M p9 i
# every two hours from 11p.m. to 7a.m., and at 8a.m., A/ o) T- _9 e. {2 W
0 23-7/2,8 * * * date+ U' p8 W1 Q* Y# Y
1 `% a$ Y! U9 T; m' B0 B渲底蝝啣臬: http://linux.vbird.org/linux_basic/0430cron.php/ |$ ~) L" v% F* t: t& f( a/ M
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潸” 2015-9-22 22:11:29
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