@Navino16 Sorry I disappeared! The router on the network I'm hosting doesn't support loopback, so I had to add entries in /etc/hosts that pointed it to the local node.
Just don't be confused by the The node Fully Qualified Domain Name is not valid. Domains must resolve to a non-reserved IP. error you might get if you try to update the FQDN in the panel later. It's because it seems to blacklist the 127.x.x.x domains.
If your router supports static routes, you should prefer to set the mapping from the FQDN to your internal IP there.
Never mind! Changing the auto-restart value to 'true' in the server's config json file seems to have done it. I'll leave this open for a bit to see if anyone has a better answer but that seems to do the trick.
Depends on your website software you are using, if you have cPanel installed you can use that to make a sub-domain for (admin.domain.net) and then still have domain.net for Wordpress
Or failing that make a directory in where Wordpress is and put the panel in there you’ll just have to direct to domain.net/panel
MariaDB 10.1 is fine too. Just add the following lines to the InnoDB section in your mysql .cnf (for me it was /etc/mysql/mariadb.conf.d/50-server.cnf)
# * InnoDB
innodb_file_format = Barracuda
If you edit /etc/apt/sources.list.d/pufferpanel_pufferd.list
you just might be able to get it to install by replacing "zesty" with "xenial"
After you saved your changes, sudo apt update and install it again.
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