使用RVM安装特定版本Ruby和Rails

2020/10/25

# set proxy
export http_proxy="192.168.80.1:10809"
export https_proxy="192.168.80.1:10809"
# prepare for the installation of rvm
sudo apt install gnupg2
gpg2 --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB
# install rvm
curl -sSL https://get.rvm.io | bash -s stable
# set rvm runtime envirment
source ~/.rvm/scripts/rvm
# install ruby 2.5.1
rvm install 2.5.1
# install rails 5.2.4.4
gem install rails -v 5.2.4.4