Tags: command-line

How to Load and Unload Kernel Modules in Linux

A kernel module is a program which can loaded into or unloaded from the kernel upon demand, without necessarily recompiling it (the kernel) or rebooting the system, and is intended to enhance the functionality of the kernel. In general software terms, modules are more or less like plugins to a...
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Googler: A Command Line Tool to Do ‘Google Search’ from Linux Terminal

Today, Google search is a well known and the most-used search engine on the World Wide Web (WWW), if you want to gather information from millions of servers on the Internet, then it is the number one and most reliable tool for that purpose plus much more. Many people around the world mainly use...
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The powerful nload tool can really save the day if you need to analyze traffic on your networks in a hurry.

Monitoring Network Load With nload: Part 1

On a continually changing network, it is often difficult to spot issues because of the amount of noise generated by expected network traffic. Even when communications are seemingly quiet, a packet sniffer will display screeds of noisy data. That data might be otherwise unseen broadcast traffic...
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How to Practically Use Your Linux Terminal (Part 2)

Quite a while ago, we had published a post that showcased four examples of how Linux users can utilize their terminal to perform simple daily tasks and fulfill common everyday use needs. Of course, the use case possibilities for the Linux terminal are nearly endless, so were naturally back for a...
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Classic Emacs Editor Gets a New-School Makeover

Longtime users of the venerable Emacs editor can now use it with a sleek new skin that emphasizes consistency and ergonomics. A new distribution of the Emacs editor, called Spacemacs, repackages the classic developer's tool in a new skin for greater usefulness to a new generation of programmers....
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Good documentation
Good sysadmins understand the value of good documentation.

Why Good Linux Sysadmins Use Markdown

The Markdown markup language is perfect for writing system administrator documentation: it is lightweight, versatile, and easy to learn, so you spend your time writing instead of fighting with formatting. The life of a Linux system administrator is complex and varied, and you know that documenting...
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LFCE prep course
The final installment in the LFCE prep series tests your knowledge with quizzes and exercises.

LFCE Prep Course: Test Your Knowledge (Part 6)

Welcome to part 6 of our Linux Foundation Certified Engineer Training Course sneak peek blog. This is the last blog in this series, and today we will test our knowledge with quizzes and exercises. The answers are at the bottom. In parts 1 and 2, we reviewed the OSI network layers. Part 3 covered...
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How to Use ‘at’ Command to Schedule a Task on Given or Later Time in Linux

As an alternative to cron job scheduler, the at command allows you to schedule a command to run once at a given time without editing a configuration file. The only requirement consists of installing this utility and starting and enabling its execution: [[ This is a content summary only. Visit my...
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data keys
This article shows how to use rsync and duplicity for strong protection against data loss.

Managing Encrypted Backups in Linux: Part 1

Encrypted backups are great, but what if something goes wrong and you can't read your encrypted files? In this two-part series, I’ll show how to use rsync and duplicity as your belt-and-suspenders protection against data loss. Part 1 shows how to create and automate simple backups. In part 2, I'll...
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Ubuntu on Windows
Canonical developer Dustin Kirkland is a space cowboy on the great Ubuntu-on-Windows frontier.

Howdy, Ubuntu on Windows! Writing for Compiled Languages

Microsoft’s addition of the Bash shell and Ubuntu user space in Windows 10 is a real win for developers everywhere. Dozens of compilers and thousands of libraries are now immediately available on Windows desktops.  In this article, we’re going to write the classic “hello world” application in...
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