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Ubuntu Server Cookbook by Uday R. Sawant

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Troubleshooting network connectivity

Networking consists of various components and services working together to enable systems to communicate with each other. A lot of times it happens that everything seems good, but we are not able to access other servers or the Internet. In this recipe, we will look at some tools provided by Ubuntu to troubleshoot the network connectivity issues.

Getting ready

As you are reading this recipe, I am assuming that you are facing a networking issue. Also, I am assuming that the problems are with a primary network adapter, eth0.

You may need access to root account or account with similar privileges.

How to do it…

Follow these steps to troubleshoot network connectivity:

  1. Let's start with checking the network card. If it is ...

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