So this is completely on me:
I installed Arch
I installed the plasma desktop without any additional programs
I installed sddm and told it to launch plasma desktop
I rebooted
And it did what I told it to do perfectly:
I’m now within plasma desktop.
I have no terminal emulator installed, so no way of accessing a command line from within the GUI.
Whenever I reboot, I get put back into plasma desktop.
I tried to switch to a different tty with Ctrl+Alt+F-keys but that key combo seems to be used for additional desktop sessions instead (shows me the sddm login again).
I tried creating a shell script that launches pacman and installs a terminal, but I can’t, since I don’t have a text editor installed.
Help!
[Edit: Solved. I was able to go to a different tty after disabling function keys]
Launch Dolphin if you have it installed and press F4.
Edit grub at boot time if you are using it, wrote emergency at the end of the line.
If you have installed X, then check to see if you can select another session in sddm to launch X own window.
There are other ways to do it as well, f.eks. with kdesu and alt + f2