Chapter 13: Software management

Query and verify installed packages with rpm, manage software with dnf, work with repositories and signatures, build a local repository, and choose module streams and updates.

What you will learn

• Read package names and query and verify installed packages with rpm.
• Search for, install, remove and update packages with dnf and review or undo transactions.
• Read repository definitions, explain gpgcheck, and build and use a local repository.
• Enable module streams and apply updates, deciding when a reboot is needed.

Sections

1. Packages and the RPM database
2. Exercise: Interrogate the installed software
3. Installing and updating software with dnf
4. Exercise: Install, inspect and undo
5. Repositories and package signatures
6. Exercise: Serve your own repository
7. Module streams and keeping systems updated
8. Exercise: Choose a version and check for updates
9. Exercise: Software review
10. dnf and rpm quiz
11. dnf and rpm cheat sheet