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標題: [介紹] 修改CentOS 6.0 版本的 Crontab logrotate 的時間 [打印本頁]

作者: seeyou 時間: 2011-11-2 11:41 標題: 修改CentOS 6.0 版本的 Crontab logrotate 的時間

在CentOS 6.0 下，Apache Log 每次 rotate 的時間, 都是早上 3~22, 要修改 Log Rotate 的時間, 要從哪改呢?

Red Hat Enterprise Linux 6 includes the cronie package as a replacement for vixie-cron. The main difference between these packages is how the regular jobs (daily, weekly, monthly) are done. Cronie uses the /etc/anacrontab file, which by default looks like the following:

引用:

# the maximal random delay added to the base delay of the jobs
RANDOM_DELAY=45

# the jobs will be started during the following hours only
START_HOURS_RANGE=3-22

# period in days delay in minutes job-identifier                   command
1                      5             cron.daily    nice run-parts  /etc/cron.daily
7                      25             cron.weekly    nice run-parts  /etc/cron.weekly
@monthly             45             cron.monthly nice run-parts  /etc/cron.monthly

These regular jobs will be executed once a day in the 03:00-22:00 time interval, including a random delay. For example, cron.daily will have a 5 minute forced delay plus a random delay of 0-45 minutes. You could also run jobs with no delays, between 8 and 9:

引用:

RANDOM_DELAY=0 # or don't use this option at all
START_HOURS_RANGE=8-9

# period in days delay in minutes job-identifier                   command
1                      0             cron.daily    nice run-parts  /etc/cron.daily
7                      0             cron.weekly    nice run-parts  /etc/cron.weekly
@monthly             0             cron.monthly nice run-parts  /etc/cron.monthly

如果你不想使用預設的 cronie-anacron ...那你也可以改用別的套件...

if you want more fine grained control you could just ditch anacron altogether and use /etc/cron.d/dailyjobs

引用:

yum remove cronie-anacron
yum install cronie-noanacron sysstat

不要忘記 start crond

引用:

service crond start
chkconfig crond on

再檢查一下 /etc/cron.d/dailyjobs 這個設定檔就出現啦~~

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