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' |9 o- s$ x2 G
2 |# @( d6 F' X: |9 h! c/ T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
) C- v: s5 I* Uyum install vixie-cron 撠勗臬鋆摰( \! T6 @3 U. d5 l/ o9 \
- Z, a' U( A- Z: f+ m! l' X
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
5 t: ^, K) l- l. r" M& Q* b& F$ kcrontab 澆憒銝嚗9 S0 L( b' Q9 Y* [
; X! M1 F/ F. s3 y8 }
閬瑁隞. h; K8 S; g/ ^
靘憒:
0 \! j" `- b& o/ x Y( l* Q) E- \- J8 R8 s. N$ {$ q/ ^' V% k
30 12 * * * /usr/bin/rm xxx.txt1 S" e/ T% h; g: w. ]+ I
1 B8 a7 u' c1 Z
12:30 撠 xxx.txt 瑼獢畾箸& t3 L5 j6 ?/ t, T' j
* 銵函內瘥交瘥賢瑁
( o9 p, d: J9 C- j7 k6 E+ F血撖 crontab 瘜冽敹雿輻 蝯撠頝臬憒 rm 瑁瑼 敹撖急 /usr/bin/rm& k" _+ I" T6 S' C: t K( ~, \. c/ R
靘:# every two hours at the top of the hour+ g* M" H+ }1 e1 s% R: E: M# k
0 */2 * * * date3 ?/ ?! R. u o" _5 H# i
# every two hours from 11p.m. to 7a.m., and at 8a.m.
1 e4 P" A6 v2 l0 m- }% D7 I# G 0 23-7/2,8 * * * date
- J8 ?" S/ O6 |/ ^$ U1 a; m. r" _" n8 [( }, S+ F, J# N. Q1 {
渲底蝝啣臬: http://linux.vbird.org/linux_basic/0430cron.php
( D1 f) \6 G+ x5 Y# s
, d0 r& z- `8 {6 p, Q: m' X* ^6 ?0 Y- f! r; B
! E$ E+ O! K& [8 ?7 N
- o1 \8 h2 g& y& T9 W7 V1 ? |
|
潸” 2015-9-22 22:11:29
嗉
鈭
霈
