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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: ~0 k- [7 z: Q1 J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 8 r D8 }4 A$ M: X9 t
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. }. z6 c( x7 a8 w* s
crontab 澆憒銝嚗
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! E! b3 a$ w2 F6 C b7 y- @5 G 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( E+ b7 p! l4 u- R; U: @1 v
* 銵函內瘥交瘥賢瑁
" R( _6 B0 e7 t8 D血撖 crontab 瘜冽敹雿輻 蝯撠頝臬憒 rm 瑁瑼 敹撖急 /usr/bin/rm
+ `0 A2 g* N/ o3 z6 p靘:# every two hours at the top of the hour7 P4 |4 n4 }) B7 Q6 F: d
0 */2 * * * date
) j; |' X- h( | # every two hours from 11p.m. to 7a.m., and at 8a.m.
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; }( O* k# L: T渲底蝝啣臬: http://linux.vbird.org/linux_basic/0430cron.php& [$ C: g/ [- Z" S- I
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潸” 2015-9-22 22:11:29
嗉
鈭
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