Tried with SB 9.0 and Peruse - appears to have authenticated in the browser but WHM hangs on "Waiting for Authentication". It works on Fedora so prob something Debian specific. When starting WHM I get this warning in the terminal - not sure if relevant.
(web-hosting-manager:5371): dconf-WARNING **: unable to open file '/etc/dconf/db/local': Failed to map /etc/dconf/db/local' /etc/dconf/db/local': mmap() failed: No such device; expect degraded performance
/usr/bin/xdg-open: 709: /usr/bin/xdg-open: : Permission denied
Tried with SB 9.0 and Peruse - appears to have authenticated in the browser but WHM hangs on "Waiting for Authentication". It works on Fedora so prob something Debian specific. When starting WHM I get this warning in the terminal - not sure if relevant.