I think @mardy meant: journalctl -t audit
And to only show messages from the current boot cycle, not the entire history, you can run it as: journalctl -t audit -b0 You can manually edit the apparmor profile for cura-slicer to add this access and see if it helps - add a line like the following to /var/lib/snapd/apparmor/profiles/snap.cura-slicer.cura - add it just before the closing brace } /sys/devices/pnp[0-9]*/*/id r, Then reload the apparmor policy for the snap: sudo apparmor_parser -r /var/lib/snapd/apparmor/profiles/snap.cura- slicer.cura And retry the application and see if that helps? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1950855 Title: Can't enable snap to print on a usb printer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1950855/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs