kill Ubuntu 13.10 then install 14.04 fresh
413
How do I install Ubuntu?
91264
How to reinstall Ubuntu as part of dual boot?
9888
Will Trusty/14.04 Installation Media come without Ubuntu One?
67465
How do you completely remove ubuntu-desktop along with all installed packages with it?
145917
Removing broken packages on distro update (13.04 to 13.10)
37440
How to reinstall Ubuntu 13.04 Raring Ringtail safely?
94510
How do I do a clean install of Yosemite?
36354
Why am I not able to shutdown, log-off and restart after an upgrade to Ubuntu 13.10?
35243
Is it safe to do-release-upgrade from 12.04.4 to 14.04.1?
28828
How to install Ubuntu from within other Linux Distributions without reboot
64452
Uninstall old kernel Fedora 28 Workstation
152897
Is it safe to remove ubuntu-desktop package?
129140
/boot full of kernels – what to delete?
73915
Remove GRUB Loader
65612
How to delete/remove manually apt added repositories?
125237
What's the best way to completely remove everything from a computer, without re-installing?
87236
How to upgrade Ubuntu 12.04 to 13.10?