I'm running a laptop with mobility radeon hd 4330 and I have to run kernel <= 3.2 for the proprietary legacy drivers to work. How can I update the packages on my system using the update manager without automatically updating the kernel? I tried just installing all before, but then my kernel got updated.
currently I have ubuntu 14.04 in my laptop and now I want to update it to 15.04, I have windows 8 and kali linux along with my ubuntu. how should I update my ubuntu to 15.04 without losing my other operating system. I was thinking of downloading ubuntu 15.04 and then installing it over ubuntu 14.04, instead of updating ubuntu 14.04 via terminal or update manager.Will that be a good option??