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
/ @1 `1 q% ~: m+ R$ `* N& @8 M. J6 r$ O0 h
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 ' D1 x1 j. d/ R! q
yum install vixie-cron 撠勗臬鋆摰6 Y. b6 Y5 k- b- n
6 B# P3 y% t- J; l" B3 ]2 q. }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
% r9 \4 {9 u# S ^crontab 澆憒銝嚗3 \* _& O6 J! c8 H2 w
& r, ^0 ]- H' h4 ]! R 閬瑁隞
0 q7 i* g, B4 y/ F靘憒:
" X& r m6 z1 ? T
# H9 y8 ~8 n9 Q# V5 y30 12 * * * /usr/bin/rm xxx.txt: z; \) s A3 h1 p$ l
6 V9 v* ?2 x; x1 e/ {; E
12:30 撠 xxx.txt 瑼獢畾箸
) O' R' t7 n3 ]. s. d* 銵函內瘥交瘥賢瑁' s) |( W2 X1 p! n- e9 z
血撖 crontab 瘜冽敹雿輻 蝯撠頝臬憒 rm 瑁瑼 敹撖急 /usr/bin/rm
# ?+ [% U6 T& T1 S% Y靘:# every two hours at the top of the hour* B) y. u6 R) [5 @/ j8 b1 f
0 */2 * * * date3 n6 W+ a: l' U2 i! |
# every two hours from 11p.m. to 7a.m., and at 8a.m.
. {" i V! S0 q7 d 0 23-7/2,8 * * * date
9 V6 O+ u* j0 n# R5 r6 Y: U3 X2 f6 D3 S! D( v
渲底蝝啣臬: http://linux.vbird.org/linux_basic/0430cron.php
" g; r6 M- s* u" G
$ `# q2 \ n4 p. F
2 Z" S0 X9 F8 f4 z' S
( r& R% ?. z2 c5 E c. O7 l0 y& G: q- Y- z/ }& B6 b+ H: `
|
|
潸” 2015-9-22 22:11:29
嗉
鈭
霈
