-
Book Overview & Buying
-
Table Of Contents
-
Feedback & Rating

Jenkins Administrator's Guide
By :

Imagine a scenario where Jenkins doesn't come up. https://jenkins-firewalled.lvin.ca/ simply fails to load. What are the recovery steps? Let's recall the architecture and understand that there are three major components: the controller host, containers, and the DNS.
The first thing we should try is to SSH into the controller host. If the SSH fails for a host in AWS, make sure that your IP hasn't changed since we created the EC2 routing rules with the My IP option. The IP would change if it were renewed on the router or if we were using a phone's hotspot instead of a home internet connection. In this case, go back to the EC2 dashboard on AWS and update the IP range for My IP. If the SSH fails for reasons other than network issues, restart the host. If SSH continues to fail, we can try extending the size of the disk – SSH fails when the disk is 100% full. If the SSH still fails, then it's time to...