centos jenkins
wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat/jenkins.repo rpm --import http://pkg.jenkins-ci.org/redhat/jenkins-ci.org.key yum -y install jenkins
vi /etc/sysconfig/jenkins
sudo -u jenkins -H git config --global http.sslVerify false
https://wiki.jenkins-ci.org/display/JENKINS/Use+Jenkins