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Network World - Insider asset - Invaluable Tips + Tricks for Troubleshooting Linux [Winter 2018]

Using bash’s shopt builtin to manage Linux shell behavior

The shopt builtin offers 53 settings that can alter how bash behaves. Read this post and then refer to bash's man page to follow up on how these settings might work for you.

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Using the Linux stat command to create flexible file listings

The stat command isn't only for looking at file details one file at a time. It can also be used to create file listings that contain just the information you want to see – with considerably more than an ls -l command.

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Enhancing the Linux command line with aliases

Using bash aliases in Linux can save time and having to remember complex commands - and it can be fun, too.

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How to use the df command: 2-Minute Linux Tips

In this Linux tip, learn how to use the df command. It reports on disk space. It’s important to check disk space from time to time to ensure that the system is not about to run out of space.

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11 ways to list and sort files on Linux

Linux commands can provide details on files and show options for customizing file listings, but can also reach as deeply into a file system as you care to look.

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Managing process accounting on Linux

Process accounting can provide a lot of details that can help monitor user and system activity on Linux. Here's a look at how it works and what kind of data it provides.

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How to use the chkrootkit command: 2-Minute Linux Tips

In this Linux tip, we’re going to look at the chkrootkit command. It’s a command that will examine your system for rootkits -- generally malicious software that enables unauthorized access to a system.

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Word game: Finding anadromes with Linux

Using Linux commands to find words that, when reversed, turn into other words turned out to be an enjoyable mental challenge. How many can you find?

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Merging and sorting files on Linux

There are quite a few ways to merge and sort text files on Linux. The command to choose depends on your data and your preferences.

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Linux dominates supercomputing

The Linux operating system runs all 500 of the world’s fastest supercomputers, which help to advance artificial intelligence, machine learning and even COVID-19 research.

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Digging for DNS answers on Linux

Dig is a powerful and flexible tool for interrogating domain name system (DNS) servers. In this post, we’ll take a deep dive into how it works and what it can tell you.

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How to use the diff command: 2-Minute Linux Tips

In this Linux tip, learn how to use the diff command. It’s one of a number of commands that can report on file differences. If the files are text files, the command will display the differences line by line. If they’re some other kind...

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How to use the mkdir command: 2-Minute Linux Tips

In this Linux tip, learn how to use the mkdir (make directory) command. It’s one of the basic commands that every Linux user ought to know, but there are some rules and a couple options that aren’t obvious.

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Summarizing your command usage on Linux

With a modest string of commands, you can get a quick look at what commands you're using on your Linux system and how often.

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Some easy choices for encrypting files on Linux

A lot of encryption tools are available for Linux systems. In this post, we look at some easy-to-use commands and a script for making the process even easier.

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How to use the uptime command: 2-Minute Linux Tips

In this Linux tip, learn how to use the uptime command. It tells us how long the system has been up and running – and provides some additional information as well.

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How to decipher Linux release info

Displaying and interpreting information about Linux releases is a bit more complicated than it might seem.

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Painless file extraction on Linux

Extracting files from archives isn't difficult, but it can be tedious, especially with all the archive naming conventions in use today. But you can make the task a little easier by putting everything you know about the process into a...

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