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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2 D* J$ x: Q8 G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 6 h- t* x+ T: z/ s+ L
yum install vixie-cron 撠勗臬鋆摰( u) P* j5 l; T" e4 {3 Q# L- U! s
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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 root9 T2 |: A3 U% X* [ S' c: M. N6 b
crontab 澆憒銝嚗
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o% C/ _. l" _+ I9 Y0 w9 _30 12 * * * /usr/bin/rm xxx.txt$ S/ F( A' x) O8 b
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12:30 撠 xxx.txt 瑼獢畾箸
5 @) ~$ d( ^# A# R- a9 \$ h# I* 銵函內瘥交瘥賢瑁
. X4 j4 F' G+ D- M' q血撖 crontab 瘜冽敹雿輻 蝯撠頝臬憒 rm 瑁瑼 敹撖急 /usr/bin/rm0 p8 w$ J+ P% B6 e0 s9 P) {
靘:# every two hours at the top of the hour
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$ U' }0 k* ^4 Q( O4 |- g # every two hours from 11p.m. to 7a.m., and at 8a.m.7 X Y) k0 z) Q
0 23-7/2,8 * * * date
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1 R; Q% |$ ]! \9 V渲底蝝啣臬: http://linux.vbird.org/linux_basic/0430cron.php: y6 D- E6 f, t: [8 U( B, K
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潸” 2015-9-22 22:11:29
嗉
鈭
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