The above exclude directive is defined in /etc/yum.conf or /etc/dnf/dnf.conf configuration file with the list of packages to exclude from updates or installs. We can also exclude or disable certain package updates from any third-party repositories.
In this article, we will show you how we can exclude (disable) certain package updates using the YUM and DNF package manager on RPM-based distributions such as RHEL, CentOS, Fedora, Rocky Linux, and AlmaLinux. It is recommended to stop updates for such software till the application gets patched with new updates. While updating the system, sometimes, we don’t update certain packages such as Apache Server ( HTTP), MySQL, PHP, or any other major application, because updating such software may break currently running web applications on a server and cause major issues. The DNF (Dandified Yum) is the next-generation version of the YUM (Yellowdog Updater, Modified), is an open-source default package manager for Red Hat-based Linux distributions, that is used for getting, installing, upgrading, removing, and querying packages from the official software repositories and third-party repositories.
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