Troubleshoot Network Connectivity on Linux

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Troubleshoot Network Connectivity on Linux

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._

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Lab Info

Level

Intermediate

Last updated

Sep 24, 2025

Duration

15m

Challenge

Reproduce the Issue

Attempt to connect to the 10.0.1.105 host from app server.
Challenge

Discover the Source of the Issue

Use networking tools to discover where the connection fails.
Challenge

Resolve the Issue

Resolve the issue by updating the firewall. Confirm that you can connect.

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