logrotate 日志轮转

目录

主配置文件

子配置目录

配置文件格式

---

主配置文件

/etc/logrotate.conf        一般不修改

[root@3 log]# vi /etc/logrotate.conf 
# see "man logrotate" for details
# rotate log files weekly
weekly

# keep 4 weeks worth of backlogs
rotate 4

# create new (empty) log files after rotating old ones
create

# use date as a suffix of the rotated file
# see "man logrotate" for details
# rotate log files weekly
weekly

# keep 4 weeks worth of backlogs
rotate 4

# create new (empty) log files after rotating old ones
create

# use date as a suffix of the rotated file
dateext

# uncomment this if you want your log files compressed
#compress

# RPM packages drop log rotation information into this directory
include /etc/logrotate.d

# no packages own wtmp and btmp -- we'll rotate them here
/var/log/wtmp {
    monthly
    create 0664 root utmp
        minsize 1M

---

子配置目录

/etc/logrotate.d/

[root@3 log]# ls /etc/logrotate.d/
mariadb         syslog          yum             
ppp             wpa_supplicant

---

配置文件格式

[root@3 log]# vi /etc/logrotate.d/yum 
/var/log/yum.log {
  preroutate
    chattr -a /var/log/yum.log
  endscript
 
    missingok               轮转时忽略错误
    #notifempty                日志空，不轮转
    size 30k                满30K一次
    yearly                     一年一次
    create 0600 root root                日志文件属性
  
  postrotate
    chattr +a /var/log/yum.log
  endscript
}

配置参数

compress/nocompress	压缩/不压缩
missingok	轮转时忽略错误
notifempty	日志空，不轮转
create	创建日志文件的属性
daily	日
monthly	月
yearly	年
weekly	周
prerotate endscript	轮转前操作
postrotate endscript	轮转后操作
size	大小
mail	将轮替后的文件发送到指定E-mail地址
rotate	保留多少个日志文件