Reinstalling a package is simple using the reinstallation switch of DNF . dnf reinstall package_name 11. Update Check and Updating your system. In an RPM based system (such as Fedora, Red Hat Linux, etc.), update is primarily handled by DNF package manager. The following four commands take care of various update scenarios, as explained below. apt. CentOS / RHEL. yum. Fedora. dnf. To manage packages with Alpine, you'll want to run apk commands. Next up, here's a list of popular packages that you may end up installing for various web applications. I've included the Debian / Ubuntu alternative for easy reference.