I'm running ubuntu 13.04 which is not supported anymore. I want to install updates and clean up disk space in boot. How do I do this? What command should I use.
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This is a pretty thorough post: http://askubuntu.com/questions/110477/how-do-i-upgrade-to-a-newer-version-of-ubuntu – jmunsch May 28 '14 at 02:03
3 Answers
1.-clean first
sudo apt-get -s clean
"Remove all this files" ( /var/cache/apt/archives/partial/* /var/lib/apt/lists/partial/* /var/cache/apt/pkgcache.bin /var/cache/apt/srcpkgcache.bin)
sudo apt-get autoremove --purge
(clean all old package installed before)
sudo dpkg 'linux-image *' --list
(clean all old linux kernel)
2.-Update
sudo su
apt-get update
apt-get upgrade
You may be better off by backing up your data (and /etc), checking the back up and doing a clean install of 20.04.1 LTS to clean up and refresh your system. This would allow you re-format and re-partition your disc(s) and partitions.
If you want to re-install your existing (available packages) this How to list all installed packages will be of some use, as it includes how to re-install on a new version.

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sudo su
nano /etc/apt/sources.list
deb http ://old-releases.ubuntu.com/ubuntu/ raring main restricted
deb-src http ://old-releases.ubuntu.com/ubuntu/ raring main restricted
deb http ://old-releases.ubuntu.com/ubuntu/ raring-updates main restricted
deb-src http ://old-releases.ubuntu.com/ubuntu/ raring-updates main restricted
deb http ://old-releases.ubuntu.com/ubuntu/ raring universe multiverse
deb-src http ://old-releases.ubuntu.com/ubuntu/ raring universe multiverse
deb http ://old-releases.ubuntu.com/ubuntu raring-security main restricted
deb-src http ://old-releases.ubuntu.com/ubuntu raring-security main restricted
sudo su
apt-get update
apt-get upgrade
apt-get autoremove
apt-get clean

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