On Mon, 24 Oct 2022, Peter Fraser wrote:
I make a stupid mistake; I didn’t check partition sizes before doing a
sysupgrade.
sysupgrade ran out of space or /usr in the middle of the upgrade.
I know I should have checked first but it would be nice if sysupgrade did
warn me.
The site was a 20-minute drive away, and their down time was a lot longer
then I expected.
I always make an LVM or btrfs snapshot and make a boot entry for it.
Then, if something goes wrong, the customer can simply press down
arrow to boot the old system. Still complex to explain to customer
how to alter default BIOS boot, but with linux it is pretty much "keep
pressing down arrow until you see the grub menu.
