Dnf

For Yum, Apt, and Repos stuff, refer to the Yum, Apt, and Repos page.

Dnf

DNF is the modern successor to Yum, featuring improved speed, efficiency, and enhanced dependency resolution capabilities.

More information: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/configuring_basic_system_settings/managing-software-packages_configuring-basic-system-settings#doc-wrapper

How to Lock a Specific Package

If you want to lock a package, such as the kernel so that you can prevent other kernels from getting installed, you can edit the following file and list the packages you want to lock:

$ dzdo cat /etc/dnf/dnf.conf | grep -i exclude
exclude=kernel* kmod-kvdo

How to view DNF install job history

You can use dnf history list:

$ sudo dnf history list
Updating Subscription Management repositories.
ID     | Command line                                                                                                              | Date and time    | Action(s)      | Altered
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
     9 | -y install google-chrome                                                                                                  | 2024-11-21 10:13 | Install        |    7 EE
     8 | install firefox                                                                                                           | 2024-11-21 10:12 | I, U           |    7
     7 | group install GNOME base-x Fonts                                                                                          | 2024-11-21 09:59 | I, U           |  648
     6 |                                                                                                                           | 2024-11-13 06:55 | I, U           |   32  <
     5 | -y install perl nscd                                                                                                      | 2024-10-28 14:40 | Install        |  157 >
     4 | update -y                                                                                                                 | 2024-10-28 14:37 | I, U           |  139
     3 | remove containers-common -y                                                                                               | 2024-10-28 14:36 | Removed        |   19
     2 | -y install katello-host-tools katello-host-tools-tracer                                                                   | 2024-10-28 14:36 | Install        |    2  <
     1 |                                                                                                                           | 2024-10-28 14:11 | Install        |  664 >E

Dnf-automatic

What is dnf-automatic? dnf-automatic is a plugin for the dnf package manager in Red Hat Enterprise Linux (RHEL) and other distributions that use dnf. This plugin automates the process of updating packages on your system. It is designed to handle the automatic downloading and installation of package updates. It can be configured to run at regular intervals to check for updates, download them, and apply them without requiring manual intervention. This helps ensure that your system remains secure and up-to-date with the latest software versions and security patches.

The configuration for dnf-automatic is typically found in the file /etc/dnf/automatic.conf. Here’s an example configuration:

$ grep -i "apply_updates" /etc/dnf/automatic.conf
apply_updates = yes