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My server runs Ubuntu 12.04.5 LTS. I try to keep it up to date as possible by doing sudo apt-get update && sudo apt-get upgrade regularly. So far I was assuming that this would update the kernel as well. Today I noticed however that I am running a totally outdated kernel (uname-r gives 3.2.0-77-generic).

Doing sudo apt-get dist-upgrade didn't fix this. Then I tried sudo apt-get install linux-generic linux-headers-generic linux-image-generic - also with no success...

Why am I not receiving the latest kernels and how can I fix this?

n1000
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    You need to upgrade the Hardware Enablement Stack (HWE). Right now I imagine the -utopic HWE packages should be present. – muru Feb 27 '15 at 10:01
  • @muru Thanks. I will look into the HWE. Why isn't that happening automatically? – n1000 Feb 27 '15 at 10:07
  • Perhaps a kernel+driver upgrade is considered important enough that the user should do it manually. Along with showing the number of packages that can be upgraded as part of the MOTD, you are also told when the your HWE is out-of-date, and the commands to upgrade. – muru Feb 27 '15 at 10:09
  • Thanks @muru. As explained here, I did sudo apt-get install --install-recommends linux-generic-lts-trusty (note trusty) and now I am on 3.13.0-46.

    I am not sure if this question is a duplicate, since mine is more specific on keeping the kernel up-to-date. So if you would like to provide an answer you will have my upvote ;)

     – n1000 Feb 27 '15 at 10:22

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