sudo wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo

导出密钥（若之前已从Jenkins导入过密钥，“rpm–import”将失败，请忽略，继续执行下面）

sudo rpm --import https://pkg.jenkins.io/redhat-stable/jenkins.io.key

安装Jenkins

yum install -y jenkins