Security, Updating, and Package Management

The following topics will be covered in this chapter:

• Checking package versions
• Checking the OS version
• Checking for updates
• Automating updates
• Checking mailing lists and errata pages
• Using snaps
• Using Flatpak
• Using Pip, RubyGems, and other package managers
• Dependency hell (a quick word)
• Compiling from sources
• Adding additional repositories