Did you replace your domain with mydomain.duckdns.org in the logs, or did you just not configure the client with your domain? I’m not sure how it would have ever worked if that was the case, though. Either way, it tells you the DNS challenge record is missing.
Does the debug log not have more info?
Have you looked at the debug log? Or even what you pasted? It tells you what it’s missing (though this part doesn’t go into the whys).
Install docker: https://docs.docker.com/engine/install/centos/
Then running a container is just same as installing an RPM, except you don’t have to download it first. You just docker run the container.
You can probably get regular old packages for a lot of stuff, but a lot of stuff is packaged as containers because it makes everything easier for both the maintainer and the user.
LVM, mdraid, dm-crypt? LVM will let you make volumes and pools of basically any shape or size.
Removed by mod
Removed by mod
Removed by mod
Removed by mod
Removed by mod
Removed by mod
Removed by mod
Removed by mod
Removed by mod
Removed by mod
Removed by mod
Removed by mod
Can you put the second SSID on a different subnet and block the traffic between them on your router?