1. download
http://mirror.xmission.com/jenkins/war/1.610/jenkins.war
2. install and run
nohup java -jar jenkins.war --httpPort=9000 &
3. mail ext plugin
install from system-configuration/system settings/plugins ~~
4. maven, ant, jdk need to be installed manually
5. svn is default supported. So can start a project with maven-style, check source codes from svn, running maven clean/build/install/package tasks and see if there is bad code check-ins which breaks the build.