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10.5.3. Update regularly

Its ability to adapt quickly in an ever changing environment is what makes Linux thrive. But it also creates a possibility that security updates have been released even while you are installing a brand new version, so the first thing you should do (and this goes for about any OS you can think of) after installing is getting the updates as soon as possible. After that, update all the packages you use regularly.

Some updates may require new configuration files, and old files may be replaced. Check the documentation, and ensure that everything runs normal after updating.

Most Linux distributions provide mailing list services for security update announcements, and tools for applying updates to the system. General Linux only security issues are reported among others at

Updating is an ongoing process, so it should be an almost daily habit.

Introducing Linux
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