yum問題 Another app is currently holding the yum lock; waiting for

[root@hadoopwork3 SPECS]# yum install ruby


Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...
Another app is currently holding the yum lock; waiting for it to exit...


這是什麼原因？
/var/run/yum.pid我打開看了，只是一個數，其他的






可能是系統自動升級正在運行，所以yum被鎖定了。
可以通過執行rm -rf /var/run/yum.pid 來強行解除鎖定，然後你的yum就可以運行了。

這是什麼原因？
/var/run/yum.pid我打開看了，只是一個數，其他的

Cannot retrieve metalink for repository: fedora. Please verify its path and try again 解決方法

執行如下命令：

su -c “sed -i ‘s|^#baseurl|baseurl| ; s|^mirrorlist|#mirrorlist|’ /etc/yum.repos.d/*”