You can always add the env var in /etc/profile, though there are likely more fine grained approaches (like editing the firefox.desktop file) that won’t set vars for everything.
That’s described in the linked article. You can add it to the environment variables in the bash profile, but I put it in the KDE environment variables in $HOME/.config/plasma-workspace/env/.
How do you make it permanent though?
You can always add the env var in /etc/profile, though there are likely more fine grained approaches (like editing the firefox.desktop file) that won’t set vars for everything.
That’s described in the linked article. You can add it to the environment variables in the bash profile, but I put it in the KDE environment variables in
$HOME/.config/plasma-workspace/env/
.What do you mean?