第一步,安装jdk(如果已安装,直接进行第二步)
1.下载 jdk-8u172-linux-x64.tar.gz
2.解压
tar -zxvf jdk-8u172-linux-x64.tar.gz
3.移动到自己想放的位置:
mkdir /usr/lib/jdk mv jdk1.8.0_172 /usr/lib/jdk/jdk1.8.0_172
4.设置环境变量:
方案一:修改全局配置文件,作用于所有用户(填加以下信息):vim /etc/profile
export JAVA_HOME=/usr/lib/jdk/jdk1.8.0_172
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=.:${JAVA_HOME}/bin:$PATH
方案二:修改当前用户配置文件,只作用于当前用户:设置与上一样
vim ~/.bashrc
5.使修改的配置立刻生效:
source /etc/profile
source ~/.bashrc
6.检查是否安装成功:
java -version

第二步,安装jenkins
1.执行以下4条命令
wget -q -O - https://pkg.jenkins.io/debian/jenkins-ci.org.key | sudo apt-key add -
sudo sh -c 'echo deb http://pkg.jenkins.io/debian-stable binary/ > /etc/apt/sources.list.d/jenkins.list'
sudo apt-get update
sudo apt-get install jenkins
2.修改/etc/default/目录下面的jenkins文件(不修改默认是8080)
# port for HTTP connector (default 8080; disable with -1) HTTP_PORT=8081
3.启动停止Jenkins
sudo service jenkins start
sudo service jenkins stop
或
sudo /etc/init.d/jenkins start
sudo /etc/init.d/jenkins stop
4.查看是否启动:
ps -ef|grep jenkins =====output===== root@mycloud:~# ps -ef|grep jenkins jenkins 24365 1 0 May08 ? 00:00:00 /lib/systemd/systemd --user jenkins 24367 24365 0 May08 ? 00:00:00 (sd-pam) jenkins 24376 1 0 May08 ? 00:00:00 /usr/bin/daemon --name=jenkins --inherit --env=JENKINS_HOME=/var/lib/jenkins --output=/var/log/jenkins/jenkins.log --pidfile=/var/run/jenkins/jenkins.pid -- /usr/bin/java -Djava.awt.headless=true -jar /usr/share/jenkins/jenkins.war --webroot=/var/cache/jenkins/war --httpPort=8081 jenkins 24377 24376 0 May08 ? 00:01:36 /usr/bin/java -Djava.awt.headless=true -jar /usr/share/jenkins/jenkins.war --webroot=/var/cache/jenkins/war --httpPort=8081 root 26466 26452 0 09:35 pts/0 00:00:00 grep --color=auto jenkins
5.浏览器输入ip:8081查看是否能够访问(第一次访问要从服务器配置文件中取密码,设置账号等,不再赘述)
6.其他说明
安装路径:
/var/lib/jenkins
日志路径:
/var/log/jenkins/jenkins.log
安装以下插件:
(1). Maven Project Plugin (2). Subversion Plugin (3). Checkstyle Plugin (4). Findbugs Plugin (5). PMD Plugin (6). Warnings Plugin