CentOS7.0にJenkinsをインストールする ref: http://qiita.com/inakadegaebal/items/b526ffbdbe7ff2b443f1

file0.txt

# yum install java-1.8.0-openjdk

file1.txt

$ sudo wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat-stable/jenkins.repo

file2.txt

$ sudo rpm --import https://jenkins-ci.org/redhat/jenkins-ci.org.key

file3.txt

$ sudo yum install jenkins

file4.txt

$ vi /etc/sysconfig/jenkins
-----
JENKINS_PORT="8082"
-----

file5.txt

$ sudo service jenkins start

file6.txt

$ sudo chkconfig jenkins on

file7.txt

$ sudo cat /var/lib/jenkins/secrets/initialAdminPassword