Execute the command below to join Testnet2. You only have to input your moniker into the console when promted to do so:

git clone https://github.com/DecentralCardGame/Testnet && chmod +x ./Testnet/Cardchain_install.sh && chmod +x ./Testnet/Cardchain_remove.sh && ./Testnet/Cardchain_install.sh

The following script will stop the systemd service, remove the Cardchain folder as well as the Cardchain binary:

./Testnet/Cardchain_remove.sh