
Using the “whois” Command – All you Need to Know
If you want to know about who owns a domain, or when it expires, then you need to use the "whois" command. Here's all you need to know.
Bhagwad Park writes for the NameHero blog.

If you want to know about who owns a domain, or when it expires, then you need to use the "whois" command. Here's all you need to know.

The "fatal: refusing to merge unrelated histories" occurs when you try and merge an unrelated repo into your own. Here's what it means.

Dig is a Linux tool that allows you to query nameservers. It also allows you to query specify nameservers for debugging.

Bash function arguments allow you to write functions that are flexible by being able to accept a wide variety of inputs.

The "docker volume create" command lets you create persistent data across docker sessions. Without this, all containers are stateless.

It's very important to properly track the memory limits that docker uses. Otherwise, your entire system could crash.

While it's possible to SSH into a docker container, there's usually no need to do so, since it goes against the purpose of docker.

There are a surprising number of use-cases for why you'd want to append to a file in bash. Here are all the different ways to do it.

Bash functions serve a variety of purposes, and can make your life significantly easier. Here's how to use them.

When you first start using Linux, you’ll need only a handful of commands. As you gain experience, you learn more of them, but the complexity of the commands increases....
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