Build etc geth on Ubuntu 20 & install golang 1.21.13
sudo apt remove golang-go
sudo rm -rf /usr/local/go
wget https://go.dev/dl/go1.21.13.linux-amd64.tar.gz
sudo tar -C /usr/local -xzf go1.21.13.linux-amd64.tar.gz
export PATH=$PATH:/usr/local/go/bin
go version
git clone https://github.com/etclabscore/core-geth.git
cd core-geth
make geth
./build/bin/geth version
