Nodejs major version can be replaced in following command (from 14 to e.g. 12 or 10, ...)
# curl -sL https://rpm.nodesource.com/setup_14.x | sudo bash - # yum -y install nodejs # node --version # npm --version
# curl -sL https://dl.yarnpkg.com/rpm/yarn.repo | sudo tee /etc/yum.repos.d/yarn.repo # yum install yarn