/etc/fstab
# <file system> <mount point> <type> <options> <dump> <pass> LABEL=ubuntu / btrfs defaults,compress=zstd,commit=120,ssd,subvol=@ubuntu 0 1 LABEL=boot /boot ext4 defaults 0 2 tmpfs /tmp tmpfs nosuid,nodev,noexec,size=5g,mode=1777 0 0 #moved to /etc/systemd/system/tmp.mount tmpfs /run/shm tmpfs defaults,noexec,nosuid,nodev 0 0 proc /proc proc defaults,noexec,nosuid,nodev,hidepid=2 0 0 LABEL=ubuntu /home btrfs defaults,noexec,nosuid,nodev,compress=zstd,ssd,relatime,commit=120,subvol=@home 0 2 LABEL=swap none swap sw 0 0 LABEL=ubuntu /.snapshots btrfs defaults,noexec,nosuid,nodev,compress=zstd:6,ssd,relatime,commit=120,subvol=@snapshots 0 0 LABEL=SYSTEM /boot/efi vfat defaults,utf8,umask=007,gid=46 0 0
/etc/fstab
# <file system> <mount point> <type> <options> <dump> <pass> compress= zstd,commit= 120,ssd, subvol= @ubuntu 0 1 nodev,noexec, size=5g, mode=1777 0 0 #moved to /etc/systemd/ system/ tmp.mount noexec, nosuid, nodev 0 0 noexec, nosuid, nodev,hidepid= 2 0 0 noexec, nosuid, nodev,compress= zstd,ssd, relatime, commit= 120,subvol= @home 0 2 noexec, nosuid, nodev,compress= zstd:6, ssd,relatime, commit= 120,subvol= @snapshots 0 0 utf8,umask= 007,gid= 46 0 0
LABEL=ubuntu / btrfs defaults,
LABEL=boot /boot ext4 defaults 0 2
tmpfs /tmp tmpfs nosuid,
tmpfs /run/shm tmpfs defaults,
proc /proc proc defaults,
LABEL=ubuntu /home btrfs defaults,
LABEL=swap none swap sw 0 0
LABEL=ubuntu /.snapshots btrfs defaults,
LABEL=SYSTEM /boot/efi vfat defaults,