celo: celocli install for fresh Ubuntu 18.04 server

celocli.txt

# install nodejs and dependencies
sudo apt -y install curl dirmngr apt-transport-https lsb-release ca-certificates
curl -sL https://deb.nodesource.com/setup_10.x | sudo bash
sudo apt -y install gcc g++ make
sudo apt -y install nodejs
# install yarn
curl -sL https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
sudo apt-get update && sudo apt-get install yarn
# check on node and npm versions (for me was 10.17.0 and 6.11.3)
node -v
npm -v
# install nvm
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.35.1/install.sh | bash
# exit so that nvm can be found when we login
exit
# login again
nvm install 10 && nvm use 10
# note the above installed a more recent version of nodejs, but the same version of npm
# now install celocli.
npm install -g @celo/celocli