Tutorials

How to Change User Password in Ubuntu

In this short quick article, we will show you how to change a user password in Ubuntu Linux using the graphical interface as well as the command line...
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An Introduction to Linux Virtual Interfaces: Tunnels

Linux has supported many kinds of tunnels, but new users may be confused by their differences and unsure which one is best suited for a given use...
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Move your Dotfiles to Version Control

There is something truly exciting about customizing your operating system through the collection of hidden files we call dotfiles. In What a Shell...
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Text Processing in Rust

Create handy command-line utilities in Rust. This article is about text processing in Rust, but it also contains a quick introduction to pattern...
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How to Monitor Disk IO in Linux

iostat is used to get the input/output statistics for storage devices and partitions. iostat is a part of the sysstat package. With iostat, you can...
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Printing from the Linux Command Line

Printing from the Linux command line is easy. You use the lp command to request a print, and lpq to see what print jobs are in the queue, but things...
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Kubernetes
This tutorial describes the steps required to set up a multi-node Kubernetes cluster for development purposes.

Kubernetes Setup Using Ansible and Vagrant

This blog post describes the steps required to set up a multi node Kubernetes cluster for development purposes. This setup provides a production-like...
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A Linux Sysadmin’s Guide to Network Management, Troubleshooting and Debugging

A system administrator’s routine tasks include configuring, maintaining, troubleshooting, and managing servers and networks within data centers....
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Understanding GCC Warnings

Most of us appreciate when our compiler lets us know we made a mistake. Finding coding errors early lets us correct them before they embarrass us in...
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Tutorial: Tap the Hidden Power of Your Bash Command History

Last month I wrote about combining a series of Unix commands using pipes. But there are times where you don’t even need pipes to turn a carefully-...
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