In this chapter, we really dived deep into package management within the Red Hat world; particularly, the yum, dnf, rpm, and yumex utilities. We first covered yum and viewed the packages available; next, the yum cache needed to be updated, and so we updated it. After that, we formatted the packages to be displayed in a group format.
Following this, we exposed the information for a given package. We then did some reverse engineering by selecting a file and discovering which package it came from. This was followed by demonstrating the steps to searching for a package. After this, we removed unneeded files before performing an update to the system.
Furthermore, we did a demo on installing a package, followed up on the flip side by illustrating the steps to remove a package. Finally, we performed a system update using YUM. We then covered the dnf utility and saw the similarities...