How to Write a Custom Nagios Check Plugin

Even though Nagios Exchange has thousands of available plugins to freely download, sometimes the status needed to be checked is very specific for...
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Photon OS
Jack Wallen says Photon OS is an outstanding platform, geared specifically for containers.

Photon Could Be Your New Favorite Container OS

Containers are all the rage, and with good reason. As discussed previously, containers allow you to quickly and easily deploy new services and...
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How to Test Website Loading Speed in Linux Terminal

A website response time can have a great impact on user experience, and if you are a web developer, or simply a server administrator who is...
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Docker containers
Jack Wallen shows how easy it is to install and use Docker on Linux.

How to Install and Use Docker on Linux

Containers are all the rage in IT — with good reason. Containers are lightweight, standalone packages that contain everything needed to run an...
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Cool retro term
Carla Schroder looks at some of her favorite terminal emulators, including Cool Retro Term shown here.

5 Coolest Linux Terminal Emulators

Sure, we can get by with boring old GNOME terminal, Konsole, and funny, rickety, old xterm. When you're in the mood to try something new, however,...
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How to Install Firefox Quantum in Linux

Finally, Firefox 57 was officially released for all major OS e.g. Linux (32/64 bit), Mac OSX, Windows and Android. The binary package are now...
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remote access
Jack Wallen shows some easy ways to display a remote desktop on a local machine.

How to Set Up Easy Remote Desktop Access in Linux

Linux is a remarkably flexible operating system. One of the easiest means of understanding that is when you see that, given a task, there are always...
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IPv6 networks
To continue our series on IPv6 private addressing, this article shows how to use KVM to create networks for testing IPv6.

Testing IPv6 Networking in KVM: Part 2

When last we met, in Testing IPv6 Networking in KVM: Part 1, we learned about IPv6 private addressing. Today, we're going to use KVM to create...
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Install Let's Encrypt and Secure Nginx with SSL/TLS in Debian 9

This tutorial will show you how to install and secure a Nginx web server on Debian 9 with a TLS certificate issued for free by the Let’s Encrypt...
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4 Ways to Watch or Monitor Log Files in Real Time

How can I see the content of a log file in real time in Linux? Well there are a lot of utilities out there that can help a user to output the content...
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