Wednesday, October 17, 2018

How to safely upgrade from an older Ubuntu version to a newer one?

How can I safely upgrade an Ubuntu installation from one release to another? What should I do before upgrading to ensure it goes smoothly, and is there any clean-up I need to do afterwards?


In particular, do I need to do anything special if I am using packages from PPAs, if I have a graphics card that needs drivers, or if I'm running a custom Linux kernel?


This is a general question , but as example we take Ubuntu 12.04 and Ubuntu 12.10

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