cd /var/lib/jenkins/updates/
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sed -i ‘s/http:\/\/updates.jenkins-ci.org\/download/https:\/\/mirrors.tuna.tsinghua.edu.cn\/jenkins/g‘ default.json && sed -i ‘s/http:\/\/www.google.com/https:\/\/www.baidu.com/g‘ default.json
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systemctl restart jenkins.service
原文：https://blog.51cto.com/13746824/2498231