1.sudo wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat/jenkins.repo 2.sudo rpm -
1.sudo wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat/jenkins.repo
2.sudo rpm --import https://pkg.jenkins.io/redhat/jenkins.io.key
3.yum install jenkins
自动安装完成之后：
/usr/lib/jenkins/jenkins.war WAR包
/etc/sysconfig/jenkins 配置文件
/var/lib/jenkins/ 默认的JENKINS_HOME目录
/var/log/jenkins/jenkins.log Jenkins日志文件
4.需要“vi /etc/init.d/jenkins”，把java路径加上，如下：
# Search usable Java. We do this because various reports indicated# that /usr/bin/java may not always point to Java >= 1.6# see http://www.nabble.com/guinea-pigs-wanted-----Hudson-RPM-for-RedHat-Linux-td25673707.htmlcandidates="/etc/alternatives/java/usr/lib/jvm/java-1.6.0/bin/java/usr/lib/jvm/jre-1.6.0/bin/java/usr/lib/jvm/java-1.7.0/bin/java/usr/lib/jvm/jre-1.7.0/bin/java/usr/lib/jvm/java-1.8.0/bin/java/usr/lib/jvm/jre-1.8.0/bin/java/usr/bin/java/usr/java/jdk1.7.0_79/bin/java"for candidate in $candidatesdo [ -x "$JENKINS_JAVA_CMD" ] && break JENKINS_JAVA_CMD="$candidate"doneJAVA_CMD="$JENKINS_JAVA_CMD $JENKINS_JAVA_OPTIONS -DJENKINS_HOME=$JENKINS_HOME -jar $JENKINS_WAR"5.启动:service jenkins start
