Lab
A Cloud Guru

Locating Network Configuration Information from the Command Line

Being able to find and understand network configuration information is fundamental to using Linux on a network. In this hands-on lab, we will determine the network configuration for the eth0 interface of the lab host.

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Path Info

Level

Beginner

Duration

45m

Published

Jul 17, 2019

Challenge

Determine the IP Address
1. Run the following command:
```
sudo ip addr show
```
1. Note the IPv4 and IPv6 addresses in the output.
Challenge

Determine the MAC Address
1. Run the following command:
```
sudo ip addr show
```
1. Note the MAC address in the output.
Challenge

Determine the Gateway
1. Show the routing table.
```
sudo ip route show
```
1. Note the gateway in the output.
Challenge

Determine the DNS Server
1. Show the DNS nameserver:
```
cat /etc/resolv.conf | grep nameserver
```
1. Note the DNS server in the output.

Author

A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.