Install Jenkins

1. Download Jenkins.war, and save it to directory(e.g. F:\jenkins)

2. JENKINS_HOME environment
    For windows, set JENKINS_HOME=F:\jenkins, or My Computer=>Properties=>Advanced system settings=>Environment variables=>add               JENKINS_HOME variable.
    For Linux, export JENKINS_HOME=/path-to/dirctory of jenkins.war

3. start jenkins by java -jar jenkins.war