I'm currently running FreeBSD 11.2 on my server and looking to upgrade to 12.0. Normally, I'm good with just creating the BE, doing the upgrade and if poop hits the ceiling fan it's not hard to rollback. However, with my current server I have 0 keyboard input at the bootloader so I have no way to select a BE to rollback.
So, when I upgrade and, say, I can't boot into my new system and cannot access the different boot environments, how could I rollback? Is it possible to hook up my SSD to another box, boot, and set the old pre-upgraded boot environment as default and then put the SSD back in my server? This is my only solution for now until I can get a new piece of hardware later this year
So, when I upgrade and, say, I can't boot into my new system and cannot access the different boot environments, how could I rollback? Is it possible to hook up my SSD to another box, boot, and set the old pre-upgraded boot environment as default and then put the SSD back in my server? This is my only solution for now until I can get a new piece of hardware later this year