Mount Partitions Via /etc/fstab

[agent_kith]

I installed Snakeoil on Ubuntu server 22.4.2lts later installed low latency kernel. what should I do in etc/fstab

Sorry, been away for a long time as busy with work. You'll need to find the blockid of your partition, then add it in the file. You can follow the instructions here: Link

The reason to use uuid is for SATA devices as the drive letterings can change between reboot. Using uuid will fix those issues. I don't believe nvme has the same problem so you can just use /dev/nvmeXnYpZ format in your /etc/fstab file.