#Stop 0g-ai service
sudo systemctl stop 0g-ai
cd $HOME
rm -rf 0g-chain
git clone -b <version> https://github.com/0glabs/0g-chain.git
./0g-chain/networks/testnet/install.sh
source .profile
#restart service
sudo systemctl restart 0g-ai
journalctl -u 0g-ai -f