How to get all your packages back after a fresh install of Ubuntu

I found this in a forum… Pretty neat. Didn’t use it because in my case I didn’t want all the packages/apps I had before but still… Pretty cool!

dpkg --get-selections > installed-software

And if you wanted to use the list to reinstall this software on a fresh ubuntu setup,

dpkg --set-selections < installed-software

followed by:

dselect