Working with packages
Some useful commands
Use sudo to execute commands as super used without logging in as super user - SUDO = Super User DO
Use yum to manage packages, for ubuntu use apt and replace the word below with apt in most places
Use yum repolist all to see what repos you have
Use yum-config-manager --enable <repo> to enable a repo
Use yum-config-manager --disdable <repo> to disable a repo
Use ls | grep <filter> to list directory content but to filter out what isn't needed
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