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 D- L; i# q: T2 X6 m3 {7 V
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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
1 b8 ^1 _9 T! Yyum install vixie-cron 撠勗臬鋆摰
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* R" s+ Z4 M$ D# R" [0 t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
+ t, s3 V+ E; d2 s% T6 C3 Zcrontab 澆憒銝嚗
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30 12 * * * /usr/bin/rm xxx.txt p. s9 {5 `6 o. I/ x. V; R i
+ l2 ^+ L) y4 T# L0 ]0 [ a 12:30 撠 xxx.txt 瑼獢畾箸( b: v: ^! j0 h z8 {7 [% W x
* 銵函內瘥交瘥賢瑁
; h9 c3 m. o2 ~6 r血撖 crontab 瘜冽敹雿輻 蝯撠頝臬憒 rm 瑁瑼 敹撖急 /usr/bin/rm
9 g; u C5 U/ h0 |' S0 Q7 s靘:# every two hours at the top of the hour d# ]! \ y& }% c7 f: }! p5 s( M
0 */2 * * * date. ?! a3 e* v1 N: G9 ^- }3 _" o
# every two hours from 11p.m. to 7a.m., and at 8a.m.3 g% S4 p, ^+ H6 K! m; W! a
0 23-7/2,8 * * * date4 [ A" n" {- i( R5 |
W; z6 X0 \! z$ W渲底蝝啣臬: http://linux.vbird.org/linux_basic/0430cron.php2 p- D3 _6 ?3 _
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潸” 2015-9-22 22:11:29
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