I can’t backup discourse, error log:
[2023-02-24 21:58:26] Creating empty archive...
[2023-02-24 21:58:26] EXCEPTION: /var/www/discourse/lib/discourse.rb:137:in `exec': tar: /dev/null: Cannot open: Operation not permitted
tar: Error is not recoverable: exiting now
Maybe something is wrong with permissions?
ls -alh backups/
total 12K
drwxr-xr-x 3 1000 www-data 4.0K Feb 24 22:09 .
drwxr-xr-x 13 root root 4.0K Jan 23 2021 ..
drwxr-xr-x 2 1000 www-data 4.0K Feb 24 22:09 default