1，安装Java环境
java -v
The program ‘java‘ can be found in the following packages:
* default-jre
* gcj-5-jre-headless
* openjdk-8-jre-headless
* gcj-4.8-jre-headless
* gcj-4.9-jre-headless
* openjdk-9-jre-headless
Try: apt install <selected package>
$ apt install openjdk-8-jre-headless
$ java -version
openjdk version "1.8.0_292"
OpenJDK Runtime Environment (build 1.8.0_292-8u292-b10-0ubuntu1~16.04.1-b10)
OpenJDK 64-Bit Server VM (build 25.292-b10, mixed mode)
2，安装Jenkins
到官网下载：https://www.jenkins.io/zh/doc/pipeline/tour/getting-started/
打开终端进入到下载目录.
运行命令 java -jar jenkins.war --httpPort=8080.
打开浏览器进入链接 http://localhost:8080.
按照说明完成安装.
原文：https://www.cnblogs.com/zccst/p/14837521.html