The screenshot below shows the type of output you’ll typically see when first issuing the yum update command.Īs you can see, the output from yum first lists the repositories it’s querying, which are the default ones for CentOS: AppStream, Base, and Extras. When running this command, yum will begin by checking its repositories for an updated version of the software your system currently has installed. If you run the command without any package names specified, it will update all packages on the system. Using this tool you can install debug packages, source packages and you can view extended information from repositories.You can use the yum update command to update applications installed on a system. Yum-utils is an assortment of tools and programs for managing yum repositories in your Linux box. One cool thing about this Linux package manager is that it lists the repository from which a package was installed: yum list installed Using YUM-Utils Using the command below will list all installed packages on your Linux box. YUM stands for Yellowdog Updater Modified is an interactive, front-end rpm based package manager. The following command will print a list of all installed packages on your Linux box, the flag -q means query and the flag -a means to list all installed packages: rpm -qa Using YUM Package Manager You can list installed Packages in Red Hat very easy with rpm. The RPM package manager is an open source, low level package manager which runs on Red Hat based Linux distros. I usually work on Debian based Linux distros, but the other day while sorting some NYC street photos I took a friend contacted me asking me how to list installed packages in Red Hat, CentOS and Fedora.
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