@Annoyingduck, as a multibooter, I agree with branthebuilder’s suggestion.
Don’t choose swap during installation of a distro, and then add it later to the /etc/fstab file of the newly-installed distro, BUT instead of identifying the swap partition by UUID, use the /dev/sdXY format to identify it in the fstab file. (X = drive [e.g. sda? sdb?]; Y is the partition number of swap on that drive [e.g. sda1? sda2?] )
If in future you install another distro and it insists on choosing and formatting swap (cough slackware text-based installer cough
), as long as your swap partition number hasn’t changed - which can happen if you remove an earlier-numbered partition - the prior-installed distro’s fstab will still be accurate.
So the first thing I do when I install and boot into a new distro is to change the fstab to sdXY numbering.
Meanwhile, if you ever have a situation where a distro steals back the grub-booting duties by reinstalling its grub into your MBR [this is for legacy BIOS; sorry I can’t help you for EFI machines], you can boot into the distro that is your choice of grub, and then:
sudo grub-install /dev/sdX [where X is the drive on which your booting MBR resides] [/code]
I have this problem because I started with Mint as the first distro on my machine. So it controlled boot with its grub. When I then added Manjaro to the machine, I used grub-install to supplant Mint’s grub in MBR. But whenever I upgrade kernel in Mint (or there is an update to grub in Mint), it updates grub and dumps itself back in MBR. So I have to boot into Manjaro to make it control grub again.