GCEでUbuntu 20.04をイメージに選択し、まっさらな状態でrbenv
を入れるときにOpenSSL周りのdefault gem 周りで詰まっていたので、回避策のメモ
sudo apt update
sudo apt install build-essential libssl-dev zlib1g-dev
git clone https://github.com/rbenv/rbenv.git ~/.rbenv
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
~/.rbenv/bin/rbenv init
echo 'eval "$(rbenv init -)"' >> ~/.bashrc
source ~/.bashrc
mkdir -p "$(rbenv root)"/plugins
git clone https://github.com/rbenv/ruby-build.git "$(rbenv root)"/plugins/ruby-build