Ubuntu: Switching to another Ubuntu flavor [duplicate]



Question:

I'm planning on switching to Kubuntu once 17.04 lands (from standard Ubuntu Unity). Right now, I'm torn between clean install or just do apt install kubuntu-desktop.

What can I expect if I decide to do apt install kubuntu-desktop, aside from the obvious (i.e. redundant apps)? Which one do you recommend? Will there be weird quirks?


Solution:1

General preparation for all options

As with all major disk operations, ensure you have backups of important data, before beginning. Pay special attention to backing up any keys, SSL, GPG, etc on the drive as they are not included in many backup routines. I use seahorse Passwords and Keys, any keymanager should have a backup function.

Option # 1: Get Kubuntu Desktop for your flavour

sudo apt-get install kubuntu-desktop  

Will add kubuntu-desktop GUI and apps, to your existing installation, you can switch between at the login. Pros, both are available. Cons, a lot of redundancy.

Option # 2: Clean install

Pros, well it's clean. Cons, time and effort reinstalling packages, and possibly data.

New information: Xubuntu, 17.04 release will provision a swap file instead of a partition swap on clean installs, upgrades in place will continue using the legacy swap partition. Check you iso release notes for your chosen Ubuntu version

Option # 3: Upgrade in place * my recommendation

Download a iso image of the desired version of Kubuntu, and put on a USB. Boot from USB, select the first Option, Update to... Pros, clean Kubuntu GUI, the installer cherry-picks conflicting system files and removes them. Cons: none I'm aware of

Option # 4: Install alongside your existing installation.

Not really an option for your end point.


Solution:2

As someone who has used a ton of desktop environments on the same system for years, I can tell you that you won't really notice any problems.

You'll just be adding KDE's apps to your installation. LibreOffice is already a part of Ubuntu, and both use Firefox.


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