After being stuck on kernel 4.4.0-22 for some time, I manually upgraded today, but found out that update-grub does not update my grub.cfg file, but my menu.lst file. After manually running grub-mkconfig -o /boot/grub/grub.cfg, it was updated and I had the new kernel. This made me a bit suspicious and I checked my grub version:
Ii grub 0.97-29ubuntu68 amd64 GRand Unified Bootloader (Legacy version) Ii grub-common 2.02~beta2-36ubuntu3.7 amd64GRand Unified Bootloader (common files) Rc grub-legacy-ec2 0.7.7~bzr1212-0ubuntu1 all Handles update-grub for ec2 instances Rc grub-pc 2.02~beta2-36ubuntu3 amd64 GRand Unified Bootloader, version 2 (PC/BIOS version)
It seems it still uses grub and not grub2 for some reason. I am also able to install grub2-common from the packet manager. Now, how do I fix it so that is uses the correct update command? Do I just install grub2-common? I ask this, because I am not entirely sure and don't want to mess up my installation. I can not access the machine physically for at least another month. In the end, I would like to switch to the HWE track to have a more current kernel, but for that I want to make sure that update-grub works.
Thanks for the help!