debian系（Ubuntu）安装jenkins（持续集成）

wget -q -O - http://pkg.jenkins-ci.org/debian/jenkins-ci.org.key | sudo apt-key add -  
sudo sh -c 'echo deb http://pkg.jenkins-ci.org/debian binary/ > /etc/apt/sources.list.d/jenkins.list'  
sudo apt-get update  
sudo apt-get install jenkins