Upgrade

sudo systemctl stop kiichain3
cd $HOME
SERVICE_VERSION="v3.0.0"
rm -rf kiichain
git clone https://github.com/KiiChain/kiichain.git
cd kiichain
git checkout $SERVICE_VERSION
make install
kiichaind version

sudo systemctl daemon-reload
sudo systemctl restart kiichain3
sudo journalctl -u kiichain3 -f --no-hostname -o cat