2009年2月12日 星期四

[linux] 排程指令

單次排程指令 at
先編輯at.allow/ at.deny以確保哪些使用者可以執行排程

at 23:00 2009-02-15 #建立在2009/2/15日, 23:00時的工作排程
at>.... #開始輸入指令, 預設目錄在/bin/sh
at> #ctrl+ d, 結束

查詢已建立的排程
atq

刪除排程
atrm 5 #刪除編號為5的排程工作


循環性的排程工作 cron (crond)

先編輯cron.allow/ cron.deny以確保哪些使用者可以執行排程

編輯
crontab -e
59 23 5 1 * mail zen < /home/lct/birthday.txt

分 時 日 月 年 command

#在任何一年1月5日23:59把/home/lct/birthday.txt這個檔案mail給zen

查詢
crontab -l

刪除全部排程
crontab -r

刪除個別排程要使用編輯進去修改


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