摘要：
1.查找/-name'default.json'2.sed-i的/http://updates.jenkins-ci.org/download/https://mirrors.tuna.tsinghua.edu.cn/jenkins/g'/var/lib/jenkins/updates/default。json&&sed-i的/http://www.google.com/https://w
1.find / -name 'default.json'
2.
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
3.systemctl restart jenkins.service