jenkins安装：

Installation（只谈论centos上的安装，其它系统安装方法请移步jenkins官网）

yum安装

sudo wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat/jenkins.repo

sudo rpm --import https://jenkins-ci.org/redhat/jenkins-ci.org.key

sudo yum install jenkins

或者yum安装稳定版

sudo wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat-stable/jenkins.repo

sudo rpm --import https://jenkins-ci.org/redhat/jenkins-ci.org.key

sudo yum install jenkins

安装JAVA

Jenkins需要java环境，安装 Open Java Development Kit (OpenJDK)

sudo yum install java-1.8.0-openjdk

Start/Stop

sudo service jenkins start/stop/restart

sudo chkconfig jenkins on