Jenkins 初始化時，安裝插件太慢或者失敗

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