linux # yum # Another app is cur

[root /]# yum install wget 
Existing lock /var/run/yum.pid: another copy is running as pid 177065.
Another app is currently holding the yum lock; waiting for it to exit...
  The other application is: yum
    Memory :    0  RSS (313 MB VSZ)
    Started: Wed Nov 28 17:22:44 2018 - 16:20:55 ago
    State  : Traced/Stopped, pid: 177065
Another app is currently holding the yum lock; waiting for it to exit...
  The other application is: yum
    Memory :    0  RSS (313 MB VSZ)
    Started: Wed Nov 28 17:22:44 2018 - 16:20:57 ago
    State  : Traced/Stopped, pid: 177065

解决方法:

[root /]# ps -ef | grep 177065
root      17663 141074  0 09:45 ?        00:00:00 grep --color=auto 177065
root     177065 141074  0 Nov28 ?        00:00:00 /usr/bin/python /usr/bin/yum install lszrz
[root /]# kill -9 177065
[root /]# 
[3]-  Killed                  yum install lszrz

然后再安装即可。