Loading "installonlyn" plugin

Loading "installonlyn" plugin ;Existing lock /var/run/yum.pid: another copy is running. Aborting.
fedora core 6安装完系统好像就已经能够直接使用yum来安装软件了。
[1]
Loading "installonlyn" plugin
Existing lock /var/run/yum.pid: another copy is running. Aborting.

如果出现上述错误,直接输入下列命令再运行就好了

[root@localhost ~]# /etc/init.d/yum-updatesd stop
停止 yum-updatesd: [确定]

[2]
列出仓库可用包
#yum list available

升级系统
# yum update

检查系统可用更新
# yum check-update

升级内核
#yum update kernel

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