systemctl ::: running as a regular user, using pkexec as gui to authenticate, after asking permission still does does not allow to enable/disable services, is does allow start/stop.
example...
# systemctl enable dnsmasq
Synchronizing state of dnsmasq.service with SysV service script with /lib/systemd/systemd-sysv-install.
Executing: /lib/systemd/systemd-sysv-install enable dnsmasq
update-rc.d: error: Permission denied
... workaround ::: pkexec systemctl enable dnsmasq
at java script console...
MathJax.js?config=Te…MS-MML_HTMLorMML:32 WARNING: cdn.mathjax.org has been retired. Check https://www.mathjax.org/cdn-shutting-down/ for migration tips.
... problem is in...
# grep -r 'MathJax.js' /usr/lib/*
Binary file /usr/lib/ghc/bin/haddock matches