Enabling the Developer Console in Euro Truck Simulator 2
Enable the in-game developer console in Euro Truck Simulator 2, required for exporting mods to your server.
The ETS 2 in-game console is mainly used for exporting mods to your server. Here is how to enable it on your local game client.
Enabling Console
Open Your ETS 2 Config Folder
Press Windows Key + R and enter this:
%USERPROFILE%\Documents\Euro Truck Simulator 2Edit the Config File
Open config.cfg in a text editor. Find and change the following lines to 1:
uset g_console "1"
uset g_developer "1"Save Your Changes
Save the file. To open the in-game console, press ~ on your keyboard.
Other Platform Locations
macOS:
~/Library/Application Support/Euro Truck Simulator 2Linux:
~/.local/share/Euro Truck Simulator 2/Further in-depth console information can be found on the Truck Simulator Wiki.
How is this guide?

Downgrading Your Euro Truck Simulator 2 Client Version
Revert your local Euro Truck Simulator 2 game client to an older version to match your server using Steam beta branches.
Installing Mods on Your ETS 2 Server
Export mods from your local ETS 2 game and upload them to your dedicated Euro Truck Simulator 2 server.