If hard disk space is not a problem , install
12.04. I had this same dilemma, I installed
12.04 and after a couple of days I completely moved to
14.04. You will almost find no difficulty in migrating, and
14.04 has lot of good improvements over
Couple of pointers if you are planning to install 14.04 alongside 12.04,
- Move your home folder to a seperate drive if it is not already in a seperate drive. There is a thorough guide on this here. And when installing
14.04, mention this drive as your
- You might find a couple of pointers here on how you can backup your software installations. Be careful, when following these steps. In my opinion, it is safe to get the list of your
12.04 installations manually and reinstall them in
14.04. I ran into some problems when I tried
dpkg --set-selections. So, I highly recommend you to gradually migrate by reinstalling all your
12.04 softwares manually in
14.04 even if it takes some time to do it.
PS: When I was migrating I asked this question on how to backup my software installations. I was (and still am) confused on the doubts I raised in my above question, and I ended up manually installing all my
12.04 softwares in
14.04 based on the comments.
PS1 Can someone clear on this doubt I raised in this question ? If I copy
apt sources from one distribution to other (like from 12.04 to 14.04) and
apt-get update is run, will the distribution code name be automatically replaced (like
precise to 'trusty'). If yes, is it a safe way of backing up software installations ?