PS：jenkins安装方式为 yum install jenkins -y安装
# yun安装jenkins源
cat >>/etc/yum.repos.d/jenkins.repo <<-EOF
[jenkins]
name=Jenkins-stable
baseurl=http://pkg.jenkins.io/redhat-stable
gpgcheck=1
EOF
# 修改jenkins源为国内源
cd /var/lib/jenkins/
find -name "default.json"
#/var/lib/jenkins/updates/default.json
sed -i 's/http:\/\/updates.jenkins-ci.org\/download/https:\/\/mirrors.tuna.tsinghua.edu.cn\/jenkins/g' /var/lib/jenkins/updates/default.json && sed -i 's/http:\/\/www.google.com/https:\/\/www.baidu.com/g' /var/lib/jenkins/updates/default.json
systemctl restart jenkins
