If you’ve started your journey as a Linux administrator, you’ve probably come into contact with a few tasks that you think should be simple, but aren’t quite as easy as you’re accustomed to. One reason for this is because so many Linux servers are of the GUI-less type. In other words, there’s quite a lot of command line work to be had. And although you can set up those servers to work with a number of web-based tools (to make your admin job a bit easier), there’s one job where such a GUI won’t help you — the configuration of networking.

This guide, written by Jack Wallen for TechRepublic Premium, will walk you through the process of configuring networking on the Linux distribution — Ubuntu Server. This will be GUI-less, so you’ll be able to hone your manual configuration skills.

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Once upon a time, configuring networking on Ubuntu Server followed the old school method of configuring them in /etc/network/interfaces. Once configured, you’d use tools like ifup and ifdown to bring an interface up or down.

Things have changed considerably. As of Ubuntu 18.04 there’s a new tool in town, netplan. Netplan makes it much easier to configure a network interface, and to apply the new configuration. The one caveat is that you must have at least a fundamental understanding of JSON formatting.

Boost your Linux knowledge with our five-page PDF guide. Previously priced at $49, this is now available for download at just $9. Alternatively, enjoy complimentary access with a Premium annual subscription. Click here to find out more.

TIME SAVED: Crafting this content required 10 hours of dedicated writing, editing and research.