stephen@stephen:~$ firefox
2022/07/19 17:59:48.273436 cmd_run.go:1053: WARNING: cannot start document portal: Expected portal at "/run/user/1000/doc", got "/home/stephen/.cache/doc"
update.go:85: cannot change mount namespace according to change mount (/var/lib/snapd/hostfs/usr/share/gtk-doc /usr/share/gtk-doc none bind,ro 0 0): cannot open directory "/var/lib": permission denied
update.go:85: cannot change mount namespace according to change mount (/var/lib/snapd/hostfs/usr/share/libreoffice/help /usr/share/libreoffice/help none bind,ro 0 0): cannot create directory "/usr/share/libreoffice/help": permission denied
update.go:85: cannot change mount namespace according to change mount (/var/lib/snapd/hostfs/usr/share/xubuntu-docs /usr/share/xubuntu-docs none bind,ro 0 0): cannot open directory "/var/lib": permission denied
mkdir: cannot create directory '/run/user/1000': Permission denied
Gtk-Message: 18:00:12.253: Failed to load module "colorreload-gtk-module"
Gtk-Message: 18:00:12.253: Failed to load module "window-decorations-gtk-module"
ATTENTION: default value of option mesa_glthread overridden by environment.
ATTENTION: default value of option mesa_glthread overridden by environment.

(firefox:16099): dconf-CRITICAL **: 18:00:13.676: unable to create directory '/run/user/1000/snap.firefox/dconf': Permission denied.  dconf will not work properly.

(firefox:16099): dconf-WARNING **: 18:00:13.676: unable to open file '/etc/dconf/db/site': Failed to open file ?/etc/dconf/db/site?: open() failed: No such file or directory; expect degraded performance

(firefox:16099): dconf-CRITICAL **: 18:00:13.676: unable to create directory '/run/user/1000/snap.firefox/dconf': Permission denied.  dconf will not work properly.