Who installed that?
Yum is more than just a way to install applications – it can do all sorts of interesting stuff.
Yum undo – areally useful but less well known switch to roll back package installs.
Alot of Red Hat users never get beyond yum install A tmux -y or basic package installation. However, when things go wrong, there is a golden Yum parameter switch that may help save the day. And Yum is also useful for seeing who did what and when!
The Yum command has a history parameter that is useful for troubleshooting. On an RHEL/Rocky/ RH server, it enables administrators to see who ran what command, the issues, the operation with packages and even what the system did during the configuration. Was a package installed, removed, upgraded or removed? Yum history can tell you.