how to install two development environments
33840
Use different Python version with virtualenv
153531
Multiple TeXlive installations
69460
how to partition and install another distro side by side?
16318
How to use multiple Python versions on the same System?
50336
How can I install XFCE along side Unity?
28875
Installing applications from source
86075
Possible to have 2 unity launchers?
102057
How to keep two versions of an app installed?
69047
How to select the architecture to download?
82186
How do I make post-install scripts?
67365
How to install another Ubuntu alongside different version of Ubuntu?
60776
What's the best distro/shell-agnostic way to set environment variables?
6082
How do you use multiple rails versions with rbenv?
13602
Nested amsmath environments with \newenvironment
50553
Can I mix sources from different ubuntu versions?
19395
How can I install more recent versions of software than what Debian provides?
137126
How Do I Allow A Standard User to Install Programs?