CentOS

This doesn't sound right, with freerdp, the linux user should not need to be an administrator.
Are you logging out of the GUI user session, then starting a new admin GUI session to test it?
If so, it could be that the two sesions are set up differently.

When you say the system throws a segfault, do you mean WHILE it's running yum?

But the URL shown for the video (test case) is NOT youtube?
Do you get the same error with a genuine youtube video?

It sounds like you are running 'bind', so it implies you are running your own DNS server?

CentOS is an enterprise o/s, so the only guide you should follow is the official Red Hat guide. https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/deploying_different_types_of_servers/setting-apache-http-server_deploying-different-types-of-servers It sounds like it was wor...

But those settings are really poor when it comes to scalability. They might be ok for a single user on the local machine, but try doing the indexing with 1000 users from all over the world. The defaults provided by RedHat (CentOS) are really good for running a high performance website, with a high n...

Let's say you install CentOS 8.1 and it's fully up-to-date. You then run check-update later the same day, and notice there are no updates. Why are there no updates? Because it's only a few hours later and nothing has been released yet. But, you then run check-update a week later, and suddenly there ...

If CentOS 8.2 has arrrived, that explains why grafana has suddenly appeared. But, o/s updates should mean updates to things that are installed, I don't think new features should be added. e.g. you don't want something to start unexpectedly on a production server. I'm currently on CentOS 8.1 and I se...

I can see
in AppStream

Actually, this might be interesting. When you run dnf upgrade, it's supposed to only update things that are already installed, but sometimes it will install something that wasn't already installed? I don't have a solid test case for this, but seem to remember it happening. Question 1 Was grafana alr...