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I've upgraded to 22.04.2 LTS from 22.04 via the update manager and have noticed that many of my apps no longer work. As an example, if I run firefox at the terminal with the command snap run firefox then I receive the following error:

2023/05/28 16:28:33.122160 cmd_run.go:1046: WARNING: cannot create user data directory: cannot create "/home/omar/snap/firefox/2710": mkdir /home/omar/snap/firefox: permission denied

I looked in the syslog file and there are a number of apparmor="DENIED" warnings coming up.

user2699676
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  • Please edit your question to add the previous release up release-upgraded from, the method of release-upgrading (update -manager? do-release-upgrade? something else?), and all release-upgrade errors shown in your logs. – user535733 May 28 '23 at 17:09
  • What do I need to do to get the release-upgrade errors from the logs? grep release-upgrade /var/log/syslog perhaps? – user2699676 May 28 '23 at 17:55

2 Answers2

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add non-standard home directory to apparmor's HOMEDIRS variable 1 by this command:

$ sudo dpkg-reconfigure apparmor
Talaat Etman
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  • I don't see a non-standard home directory here. – mook765 May 28 '23 at 16:38
  • @mook765 The location of home directories can be tuned in /etc/apparmor.d/tunables/home.

    With Ubuntu 10.04 LTS and above, you can set home directory locations using sudo dpkg-reconfigure apparmor. https://help.ubuntu.com/community/AppArmor

     – Talaat Etman May 28 '23 at 16:54
  • That was definitely not my point. I just don't see a non-standard location in the error message OP posted, thats all. – mook765 May 28 '23 at 17:08
  • Sadly, I've tried that and this didn't resolve the issue after a reboot. – user2699676 May 28 '23 at 17:49
  • look at this question https://askubuntu.com/questions/930437/permission-denied-error-when-running-apps-installed-as-snap-packages-ubuntu-17 – Talaat Etman May 28 '23 at 18:08
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I've finally figured out what was going wrong. It turns out that the update to 22.04.2 LTS has led to all of the directories and files within my home directory, including itself, having their ownership changed to a user 10001 for some reason. This has meant that my user no longer had the ability to create directories or edit files within my home directory.

user2699676
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