用yum install踩坑 another app is ...

yum install docker-ce docker-ce-cli containerd.io
 

Existing lock /var/run/yum.pid: another copy is running as pid 32805.
Another app is currently holding the yum lock; waiting for it to exit...
  The other application is: PackageKit
    Memory : 170 M RSS (1.1 GB VSZ)
    Started: Thu Feb 24 21:18:43 2022 - 08:48 ago
    State  : Sleeping, pid: 32805
 

强行杀掉进程

rm -rf /var/run/yum.pid