There are a variety of tools available to test the connections between our servers, including `nc`, `ping`, `dig`, and others. In this lab, we’ll leverage these networking tools and others to discover what is preventing the connection between our MySQL server and client.
_This course is not approved or sponsored by Red Hat._
Learning Objectives
Successfully complete this lab by achieving the following learning objectives:
- Reproduce the Issue
Attempt to connect to the
10.0.1.105
host fromapp
server.- Discover the Source of the Issue
Use networking tools to discover where the connection fails.
- Resolve the Issue
Resolve the issue by updating the firewall. Confirm that you can connect.