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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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6 @9 R( S0 x; K/ l' k/ ]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
# |% s9 B5 }! S% W( q$ V/ M) Y+ vyum install vixie-cron    撠勗臬鋆摰0 s# u1 s  Z' ~
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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 root1 l0 ]$ f2 H( a9 s; Z3 w- N  _+ A
crontab 澆憒銝嚗" ]0 ~- W, ?! t5 _6 w* t9 O
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               閬瑁隞& E& ]. l: D! X2 S
靘憒:; s5 ~# b. C3 Q  @) g0 a

$ i. R$ t! V6 i- l30 12   *   *   *       /usr/bin/rm xxx.txt1 G  X- U7 B& l  B; J, q( M8 W; V( L

3 Y( S) }7 j" U' c% ~8 p4 d1 I0 ~ 12:30 撠 xxx.txt 瑼獢畾箸! Y$ C" Y* H. o, U
* 銵函內瘥交瘥賢瑁* b% e* i3 d, F0 b# M
血撖 crontab 瘜冽敹雿輻 蝯撠頝臬憒 rm 瑁瑼 敹撖急 /usr/bin/rm9 O* V6 v. _3 \0 A8 A/ t
靘:# every two hours at the top of the hour0 ?# ]0 o' Z$ `+ ]" p0 U
           0 */2 * * * date
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# every two hours from 11p.m. to 7a.m., and at 8a.m.2 i& f0 R, l) ?3 Q* M. s
           0 23-7/2,8 * * * date
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& }- B1 v8 X7 c: W9 o0 i: O5 r渲底蝝啣臬:  http://linux.vbird.org/linux_basic/0430cron.php
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