解决yum进程
Existing lock /var/run/yum.pid: another copy is running as pid 2503. Another app is currently holding the yum lock; waiting for it to exit... The other application is: yum Memory : 19 M RSS (306 MB VSZ) Started: Thu Oct 29 23:03:02 2015 - 04:00 ago State : Traced/Stopped, pid: 2503 Another app is currently holding the yum lock; waiting for it to exit..
因为你已经有yum命令在进程里执行所以会出行以上错误结局方案就是强行解锁yum进程
rm -rf /var/run/yum.pid 然后就可以正常使用你的yum了
