Felitaur Enterprises, Using YUM Repositories to update/install software

Overview
Goals Understand how rpm and yum work Compare it to apt Configure yum repositories Install some popular software packages with yum The following programs/files/directories will be discussed for this topic rpm apt (install,update,upgrade,dist-upgrade) ppa's, add-apt-repository, and .dpkg and dpkg /etc/yum.conf /etc/yum.repos.d yum yum update yum install yum list yum grouplist,groupinstall yum-priorities or yum-plugin-priorities
Questions
What is the purpose of gpg signing of rpms? What are yum repositories? How do you find them? How would you set up a yum archive/repository? Why are the rpmforge repositories NOT recommended?
Activities & Assignments
Note: This assumes you are using Centos 7.x and you can go directly to the repository sites in the "resources" section. Fedora EPEL Now you can just do yum install epel-release run yum update as root, notice which packages come from particular archives then try yum install alpine and yum install keepassx
Resources
Yellow Dog Updater, Modified (Homepage) yum-priorities discussion CentOS page on yum-plugin-priorities Packagekit and how to disable it Synaptic Elrepo (repository for device drivers for RHEL) RPM Tutorial apt-get and dpkg tutorial Creating a Yum Repository for Redhat/CentOS 7