1.查看crontab说明
[fwang5@szotautotest03 ~]$ more /etc/crontab SHELL=/bin/bash PATH=/sbin:/bin:/usr/sbin:/usr/bin MAILTO=root HOME=/ # For details see man 4 crontabs # Example of job definition: # .---------------- minute (0 - 59) # | .------------- hour (0 - 23) # | | .---------- day of month (1 - 31) # | | | .------- month (1 - 12) OR jan,feb,mar,apr ... # | | | | .---- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat # | | | | | # * * * * * user-name command to be executed
2.查询crontab服务命令和当前状态
[fwang5@szotautotest03 ~]$ sudo /sbin/service crond Usage: /etc/init.d/crond {start|stop|status|restart|condrestart|try-restart|reload|force-reload} [fwang5@szotautotest03 ~]$ sudo /sbin/service crond status crond (pid 20109) is running...
3.查看crontab配置
[fwang5@szotautotest03 ~]$ sudo crontab -u fwang5 -l 5 8 * * * /home/MSDOMAIN1/fwang5/work/weblogin-monitor/loginstart.sh &> /dev/null 0 9 * * * /home/MSDOMAIN1/fwang5/work/stash-user-monitor/start.sh &> /dev/null
4.编辑crontab配置(自动进入VI编辑模式)
[fwang5@szotautotest03 ~]$ sudo crontab -u fwang5 -e 5 8 * * * /home/MSDOMAIN1/fwang5/work/weblogin-monitor/loginstart.sh &> /dev/null 0 9 * * * /home/MSDOMAIN1/fwang5/work/stash-user-monitor/start.sh &> /dev/null ~ ~ "/tmp/crontab.uDsLmb" 2L, 161C
5.删除crontab配置
[fwang5@szotautotest03 ~]$ sudo crontab -u fwang5 -r
6.查看crontab日志
[fwang5@szotautotest03 ~]$ sudo tail -f /var/log/cron Apr 8 14:02:50 szotautotest03 crontab[24296]: (root) LIST (fwang5) Apr 8 14:02:56 szotautotest03 crontab[24298]: (root) BEGIN EDIT (fwang5) Apr 8 14:03:57 szotautotest03 crontab[24298]: (root) REPLACE (fwang5) Apr 8 14:03:57 szotautotest03 crontab[24298]: (root) END EDIT (fwang5) Apr 8 14:04:01 szotautotest03 crond[20109]: (fwang5) RELOAD (/var/spool/cron/fwang5) Apr 8 14:10:20 szotautotest03 crontab[24314]: (root) LIST (fwang5) Apr 8 14:29:15 szotautotest03 crontab[24323]: (root) LIST (fwang5) Apr 8 14:35:53 szotautotest03 crontab[24385]: (root) LIST (fwang5) Apr 8 14:36:22 szotautotest03 crontab[24387]: (root) BEGIN EDIT (fwang5) Apr 8 14:37:49 szotautotest03 crontab[24387]: (root) END EDIT (fwang5)