This Jenkins instance appears to be offline

-

1. It has something to do with SSL

Change url to use http instead of https


bash

vi /var/lib/jenkins/hudson.model.UpdateCenter.xml
    

  1. <?xml version='1.1' encoding='UTF-8'?>
<sites>
  <site>
    <id>default</id>
    <url>http://updates.jenkins.io/update-center.json</url>
  </site>
</sites>

    

    

    

    

<?xml version='1.1' encoding='UTF-8'?>
<sites>
  <site>
    <id>default</id>
    <url>http://updates.jenkins.io/update-center.json</url>
  </site>
</sites>

    2.

2. Restart Jenkins service


bash

 service jenkins restart

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