How to quickly reinstall packages on Debian Systems (including Ubuntu)
Here's a quick tip I learned from the Lotta Linux Links podcast (Episode 20) http://lottalinuxlinks.com
This will work on all Debian based distributions. First of all produce a list of all the installed packages on the system by typing (in a terminal at the command line):
This will redirect a list of all the packages into the file "installed-software.log". Then all you have to do in order to reinstall all the packages is type:
Now that I have my /home on a separate partition and I back this up onto an external ubs hard drive and an internal ide hard drive, if I ever have to re-install my system I can just make a base install and then reinstall the list of packages.