0ad, Firewall and Fedora33

By default, the firewall will prevent connection to your 0ad server. To adjust that, you need to open up the port 20595 (UDP). This three lines create a Firewalld service called 0ad, attach it to the default zone and reload the firewall:

$ sudo firewall-cmd --permanent --new-service=0ad --set-description="0ad, A free, open-source game of ancient warfare" --add-port=20595/udp
$ sudo firewall-cmd --zone=FedoraWorkstation --add-service=0ad --permanent
$ sudo firewall-cmd --reload

eGPU, Wayland, Gnome3 and Fedora 33

I’ve just got a Razor Core X that I use with a Radeon graphic card. By default Wayland, well Mutter actually, continue to use the Intel card of my T580.

To force it to use the second card, I had to add a udev rules and reboot. And that’s all!

$ cat /etc/udev/rules.d/61-mutter-primary-gpu.rules
ENV{DEVNAME}=="/dev/dri/card1", TAG+="mutter-device-preferred-primary"

note: You need Gnome 3.38.2 for this to work properly. See: https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1562