学习logrotate时，执行出现错误，只能用logrotate -vf /etc/logrotate.conf

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大家好，我最近在学logrotate,也是用鸟哥的教程，但是在执行自定义的日志轮询的时候，使用的命令出错，只能用logrotate -vf /etc/logrotate.conf来执行我放在logrotate.d下面的admin文件，直接用 logrotate -vf /etc/logrotate.d/admin,就出错，但是鸟哥的书上明明是对的。为什么呢。服务重启和其它设置没有问题。试过好多次了。有点不理解。请大家帮忙看一下

图1：直接用 logrotate -vf /etc/logrotate.d/admin,就出错



下面这个是鸟哥的linux私房菜（第三版）电子版里的配置，他的命令执行是成功的。
[root@www ~]# logrotate -vf /etc/logrotate.d/admin
reading config file /etc/logrotate.d/admin
reading config info for /var/log/admin.log

Handling 1 logs

rotating pattern: /var/log/admin.log  forced from command line (5 rotations)
empty log files are rotated, old logs are removed
considering log /var/log/admin.log
  log needs rotating
rotating log /var/log/admin.log, log->rotateCount is 5
renaming /var/log/admin.log.5.gz to /var/log/admin.log.6.gz (rotatecount 5, logstart 1, i 5),
old log /var/log/admin.log.5.gz does not exist
renaming /var/log/admin.log.4.gz to /var/log/admin.log.5.gz (rotatecount 5, logstart 1, i 4),
old log /var/log/admin.log.4.gz does not exist
renaming /var/log/admin.log.3.gz to /var/log/admin.log.4.gz (rotatecount 5, logstart 1, i 3),
old log /var/log/admin.log.3.gz does not exist
renaming /var/log/admin.log.2.gz to /var/log/admin.log.3.gz (rotatecount 5, logstart 1, i 2),
old log /var/log/admin.log.2.gz does not exist
renaming /var/log/admin.log.1.gz to /var/log/admin.log.2.gz (rotatecount 5, logstart 1, i 1),
old log /var/log/admin.log.1.gz does not exist
renaming /var/log/admin.log.0.gz to /var/log/admin.log.1.gz (rotatecount 5, logstart 1, i 0),
old log /var/log/admin.log.0.gz does not exist
log /var/log/admin.log.6.gz doesn't exist -- won't try to dispose of it
running prerotate script
renaming /var/log/admin.log to /var/log/admin.log.1
running postrotate script
compressing log with: /bin/gzip
这里没有出现提示error等错误，请大家对比一下我上传的图片里的最后两行输入结果。

[root@www ~]# lsattr /var/log/admin.log*
-----a------- /var/log/admin.log
------------- /var/log/admin.log.1.gz  <==有压缩过喔！ 我的执行结果是没有压缩的（请看下图），只有直接用logrotate -vf /etc/logrotate.conf 才会有。不知道为什么