Ruby
Installation
Ubuntu 16.04
sudo apt-add-repository ppa:brightbox/ruby-ng
sudo apt-get update
sudo apt-get install ruby2.1 ruby2.1-dev ruby-switch -y
sudo ruby-switch --set ruby2.1
最早参照http://stackoverflow.com/a/32569363
更多参照官方文档：https://www.brightbox.com/docs/ruby/ubuntu/
可以删除已经安装的 ppa
sudo add-apt-repository --remove ppa:brightbox/ruby-ng
How To Install Ruby with rbenv on CentOS 7 for jenkins job
Install rbenv
sudo yum install -y git-core zlib zlib-devel gcc-c++ patch readline readline-devel libyaml-devel libffi-devel openssl-devel make bzip2 autoconf automake libtool bison curl sqlite-devel
jenkins is Jenkins user, will run ruby
vim /etc/passwd
change /bin/false to /bin/bash to allow login to jenkins user
jenkins:x:996:994:Jenkins Automation Server:/var/lib/jenkins:/bin/false
su jenkins
Below installs rbenv into your home directory
cd
git clone https://github.com/rbenv/rbenv.git .rbenv
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bash_profile
echo 'eval "$(rbenv init -)"' >> ~/.bash_profile
exec $SHELL
git clone https://github.com/rbenv/ruby-build.git ~/.rbenv/plugins/ruby-build
echo 'export PATH="$HOME/.rbenv/plugins/ruby-build/bin:$PATH"' >> ~/.bash_profile
exec $SHELL
setup $PATH
bash-4.2$ echo $PATH
/sbin:/bin:/usr/sbin:/usr/bin
bash-4.2$ source .bash_profile
bash-4.2$ echo $PATH
/var/lib/jenkins/.rbenv/plugins/ruby-build/bin:/var/lib/jenkins/.rbenv/shims:/var/lib/jenkins/.rbenv/bin:/sbin:/bin:/usr/sbin:/usr/bin
As jenkins user
bash-4.2$ rbenv install -v 2.2.1
bash-4.2$ rbenv global 2.2.1
bash-4.2$ ruby -v
ruby 2.2.1p85 (2015-02-26 revision 49769) [x86_64-linux]
Compare vs Node.js
| Ruby | Node.js | |
|---|---|---|
| Gems | npm packages | |
| gem install bundler | ??? | |
| Project config file | Gemfile | package.json |
| Project lock | Gemfile.lock | package-lock.json |
| Bundler | npm | |
| Install dependencies in config | bundle install | npm install |
| Run project | bundle exec jekyll serve | npm start |