Tutorials

Linux pmap Command Tutorial for Beginners (5 Examples)

Linux command line offers a lot of tools that help you know more about processes that are currently active in your system. One such utility is pmap,...
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How to Create SSH Tunneling or Port Forwarding in Linux

SSH tunneling (also referred to as SSH port forwarding) is simply routing local network traffic through SSH to remote hosts. This implies that all...
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How to Monitor Network Traffic with Linux and vnStat

If you're a network or a Linux admin, sometimes you need to monitor network traffic coming and going to/from your Linux servers. As there are a...
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Shared Storage with NFS and SSHFS

Up to this point, my series on HPC fundamentals has covered PDSH, to run commands in parallel across the nodes of a cluster, and Lmod, to allow users...
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Deepin Linux
The Deepin Linux distribution has plenty of “wow” factor; read Jack's review for details.

Deepin Linux: As Gorgeous As It Is User-Friendly

Deepin Linux. You may not have heard much about this distribution, and the fact that it’s often left out of the conversation is a shame. Why? Because...
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Freespire
Freespire developers have gone to great lengths to make this pure open source distribution a treat to use.

Freespire Linux: A Great Desktop for the Open Source Purist

Quick. Click on your Linux desktop menu and scan through the list of installed software. How much of that software is strictly open source? To make...
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How to Install and Configure GitLab on Ubuntu 18.04 LTS

GitLab is an open source GIT repository manager based on Rails and developed by GitLab Inc. It is a web-based GIT repository manager that allows your...
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Examining Partitions on Linux Systems

Linux systems provide many ways to look at disk partitions. Here's a look at commands you can use to display useful information -- each providing a...
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Create and View Custom Trace Data in User Node.js Code

Tracing is a convenient way for developers to monitor and analyze application performance at runtime. Node.js offers a few options to generate and...
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2 Ways to Re-Run Last Executed Commands in Linux

One of the greatest features of Bash is the command history, which stores all commands a user runs, in a history file within his/her home directory (...
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