You are on CentOS or similar and dealing with yum locked up. Fuck! Code: Another app is currently holding the yum lock; waiting for it to exit... The other application is: yum Memory : 57 M RSS (273 MB VSZ) Started: Fri Aug 4 12:52:05 2017 - 00:59 ago State : Traced/Stopped, pid: 557 Be signed in to the root user or type "su" (enter) to switch to root. To restart an update process go ahead with: cd /var/run/;rm -f yum.pid;yum update Optionally you may leave out the update part.