Greg Wooledge <wool...@eeg.ccf.org> writes:
> unicorn:~$ systemctl status -.mount
> systemctl: invalid option -- '.'
> Hint: to specify units starting with a dash, use "--":
> systemctl [OPTIONS...] {COMMAND} -- -.mount ...
> unicorn:~$ systemctl status -- -.mount
> ● -.mount - /
> Loaded: loaded (/etc/fstab; generated)
> Active: active (mounted) since Sun 2020-07-19 22:05:16 EDT; 2 days ago
> Where: /
> What: /dev/sda7
> Docs: man:fstab(5)
> man:systemd-fstab-generator(8)
>
>
> Apparently this unit refers to the root file system. I have no idea
> why it's masked for you, but that's where I'd start looking.
This actually happened to me recently too. I have no idea why and I
couldn't unmask it either but after a reboot things were normal again.
