re-install Ubuntu software of same version
69355
erase ubuntu and reinstall will it affect windows and other windows partitions
56225
Do I have to download both the 14.04 and the 14.04.1 versions of ubuntu?
16335
Install Ubuntu with other linux distributions on same machine
5162
How to fake a package version installed?
16318
How to use multiple Python versions on the same System?
71449
How can I revert a config file back to the originally installed version after I have edited it?
28828
How to install Ubuntu from within other Linux Distributions without reboot
57496
Re-install Ubuntu without losing data in home folder
64186
How can re-use Ubuntu which was installed via Wubi on Windows 7?
12578
How do I upgrade to a newer version of Ubuntu?
7580
How to safely upgrade from an older Ubuntu version to a newer one?
128253
do i need to reinstall all my softwares after upgrading ubuntu 12.10 to 13.04?
147458
How can I duplicate my existing software packages on a new system?
19395
How can I install more recent versions of software than what Debian provides?
34367
How do I reinstall Ubuntu?
111462
Downloading a previously purchased app with Ubuntu Software Center
64561
Can multiple versions of the same package co-exist on the same system?