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How to Check Spelling the Old School Unix Way

Before word processors had a spell check function, you had to run your own spell check against a document. And in the very early Unix days, systems didn’t have a dedicated “spell check” program, but instead required a set of …

How to Use the fd Command on Linux

On Linux, fd is an easier alternative to the find command. It has a simplified syntax, uses sensible defaults, and has built-in common-sense behavior. Let’s take it through its paces.

How to Use the ss Command on Linux

The ss command is a modern replacement for the classic netstat. You can use it on Linux to get statistics about your network connections. Here’s how to work with this handy tool.

How to Enable Two Factor for SSH Logins

If you really want to lock down your cloud server, you can enable two-factor authentication for SSH in the same way you would add it to your Gmail account, preventing anyone from gaining access if they’ve stolen your SSH priv…

How to Use BleachBit on Linux

Want to safely delete unnecessary files from your Linux operating system, reclaim hard-drive space, and protect your privacy? BleachBit does all of this for you!

How to Use the whois Command on Linux

A whois lookup will tell you a lot of information about who owns an internet domain. On Linux, you can run whois lookups from the command line. We’ll walk you through it.

How to Use Wireshark Filters on Linux

Wireshark is a world-class packet analyzer available on Linux, Windows, and macOS. Its filters are flexible and sophisticated, but sometimes, counterintuitive. We’ll explain the “gotchas” you need to be on the lookout for….

Why Desktop Linux Still Matters

The fabled “Year of the Linux Desktop” has never materialized, and it likely never will. Does that mean Linux on a desktop PC is irrelevant? Not at all! Desktop Linux is still awesome.
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