I have some error with my snap

snap
1

I run the code sudo umount -a, and then all my snap package is broken except core.
and i can’t install any packages now.

How can i fix it ?

>snap list
Name                  Version    Rev   Tracking  Publisher   Notes
core                  16-2.37.2  6405  stable    canonical✓  core
gnome-3-26-1604                  82    stable/…  canonical✓  broken
gnome-calculator                 260   stable/…  canonical✓  broken
gnome-characters                 139   stable/…  canonical✓  broken
gnome-logs                       45    stable/…  canonical✓  broken
gnome-system-monitor             57    stable/…  canonical✓  broken
gtk-common-themes                1198  stable/…  canonical✓  broken
pdftk                 2.02-4     9     stable    smoser      -

>snap install hello-world
error: cannot perform the following tasks:
- Setup snap "hello-world" (27) security profiles (cannot setup apparmor for snap "hello-world": cannot load apparmor profiles: exit status 1
apparmor_parser output:
Cache read/write disabled: interface file missing. (Kernel needs AppArmor 2.4 compatibility patch.)
??:??? /proc/mounts ?????? fs,??????
?? --subdomainfs ???
)
- Setup snap "hello-world" (27) security profiles (cannot load apparmor profiles: exit status 1
apparmor_parser output:
Cache read/write disabled: interface file missing. (Kernel needs AppArmor 2.4 compatibility patch.)
??:??? /proc/mounts ?????? fs,??????
?? --subdomainfs ???
)

>pdftk 
cannot execute snapd tool snap-update-ns: Permission denied
snap-update-ns failed with code 1: No such file or directory
2

Maybe reboot might help?

1 Like
3

thanks. It worked. Is it repaired by itself?

4

Well umount -a shouldn’t be run in any circumstances else than shutdown the system in the first place.

5

What were you trying to accomplish when you did sudo umount -a?

2 Likes