I have a droplet that was created when ubuntu 12.04.4 was the most current. Unfortunately, 12.04.4 is no longer a supported HWE stack. I updated:
apt-get -y update && apt-get -y upgrade && apt-get dist-upgrade && shutdown -r now
After reboot, it says
Your current Hardware Enablement Stack (HWE) is no longer supported
since 2014-08-07. Security updates for critical parts (kernel
and graphics stack) of your system are no longer available.
For more information, please see:
http://wiki.ubuntu.com/1204_HWE_EOL
To upgrade to a supported (or longer supported) configuration:
* Upgrade from Ubuntu 12.04 LTS to Ubuntu 14.04 LTS by running:
sudo do-release-upgrade
OR
* Install a newer HWE version by running:
sudo apt-get install linux-generic-lts-trusty linux-image-generic-lts-trusty
So I ran the install
apt-get install linux-generic-lts-trusty linux-image-generic-lts-trusty
But after reboot, it’s still running kernel 3.8.0-29-generic
# uname -a
Linux hostname 3.8.0-29-generic #42~precise1-Ubuntu SMP Wed Aug 14 16:19:23 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
I looked into grub … Read through /etc/default/grub
and /boot/grub/grub.cfg
and confirmed everything there looks like it makes sense. Default entry is 0, and first entry in cfg file is 3.13.0-39. Ran the following anyway, and confirmed the files still look like they make sense…
grub-set-default "Ubuntu, with Linux 3.8.0-29-generic"
grub-reboot 'Ubuntu, with Linux 3.13.0-39-generic'
update-grub
shutdown -r now
Still it comes up with 3.8.0-29-generic. I watch the console, and it doesn’t even try 3.13.0-39. Which makes me think, maybe digitalocean isn’t using grub or something?
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Do to the nature of our virtualization technology, the kernel needs to be set in the Control Panel as well:
Check out this tutorial for all the details: