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[linux隞也 crontab 雿輻冽澆

[銴鋆賡包
頝唾唳摰璅撅
璅銝
潸” 2015-9-22 22:11:29 | 芰閰脖 撣 |摨閬 |梯璅∪
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 _, j2 L8 P- A+ ]/ L  }+ Y
yum 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: ]6 g& n. h7 N$ \
crontab 澆憒銝嚗* z* j1 }7 p: G$ c1 M! G( h1 _( W
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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" L) h0 |: X) m: J( g8 z. O+ p
靘:# every two hours at the top of the hour# o2 I" _2 b3 j  F' g3 V
           0 */2 * * * date
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# every two hours from 11p.m. to 7a.m., and at 8a.m.
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渲底蝝啣臬:  http://linux.vbird.org/linux_basic/0430cron.php
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