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Linux server certifications becoming a must-have for IT pros

Becoming Linux-certified professionals can provide financial and career advantages.

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Selectively reusing commands on Linux

Command history on Linux and Unix systems provides a lot more ways to rerun commands than you might know.

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

In this Linux tip, learn how to use the rig command. It randomly generates name, address and phone number listings. It's useful when you're testing an application and need hundreds or thousands of addresses to make sure that it works...

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Smart ways to compare files on Linux

Many new tools for comparing files have emerged in Linux over the years. In this post, we'll examine seven very useful tools for doing that.

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Random identity generation in Linux

Generating a list of names, addresses and phone numbers can be very easy when you know what tools to use. Let's take a look at the rig command.

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

In this Linux tip, learn how to use the lslogins command. It provides some useful details on user accounts and logins. In its simplest form, you could just type lslogins, but without using sudo, some of the details you'll probably...

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Factorials and unscrambling words with bash on Linux

Solving problems with bash can be challenging, not just for us using Linux, but also for bash.

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

In this Linux tip, learn how to use the autoexpect command. You can use it to build expect scripts that let you run scripts without having to provide answers interactively.

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Serious 10-year-old flaw in Linux sudo command; a new version patches it

A vulnerability in sudo can elevate unprivileged users to root privileges.

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Using the vim editor in Linux to quickly encrypt and decrypt files

Most Linux users know vim as a text editor that descended from vi. It can also function as a tool for encrypting text files. In this post, we examine how this is done and how to reverse the process.

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Examining network connections on Linux systems

Linux systems provide a lot of useful commands for reviewing network configuration and connections. Here's a look at a few, including ifquery, ifup, ifdown and ifconfig.

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How to use expect: 2-Minute Linux Tips

In this Linux tip, learn how to use expect. It's a tool that allows you to automate interactions with other scripts so that you can run them with a set of predefined answers.

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Looking into Linux user logins with lslogins

The lslogins command can help you look into details of user accounts and login activity

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Automating responses to scripts on Linux using expect and autoexpect

The expect command can make running scripts a lot easier, especially if you need to run them repeatedly or when you're at home asleep.

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How to use the ip neigh command: 2-Minute Linux Tips

In this Linux tip, learn how to use the ip neigh command. It works a lot like the arp command, but is considerably newer and still in active development. It provides network details – IP and MAC addresses -- along with an indication...

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2021 New Year's resolutions for Linux users

Linux has a wealth a powerful tools to make working with it easier and more productive, and here are some tips for taking advantage of them.

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Checking network connections with arp and ip neigh

In Linux, the arp and ip neigh commands provide easy ways to check your local network.

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Searching Wikipedia on the Linux command line with wikit

Wikit is a clever command for running Wikipedia searches from the Linux command line. It can help you run searches and save the output in text files. Take a look at how easily it works and learn what you need to know to get the...

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