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How to identify same-content files on Linux

Copies of files sometimes represent a big waste of disk space and can cause confusion if you want to make updates. Here are six Linux commands to help you identify these files.

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How to identify duplicate files on Linux

Some files on a Linux system can appear in more than one location. Follow these instructions to find and identify these "identical twins" and learn why hard links can be so advantageous.

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Working with variables on Linux

Variables often look like $var, but they also look like $1, $*, $? and $$. Let's take a look at what all these $ values can tell you.

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How to quickly deploy, run Linux applications as unikernels

Unikernels are a smaller, faster, and more secure option for deploying applications on cloud infrastructure. With NanoVMs OPS, anyone can run a Linux application as a unikernel with no additional coding.

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How to manage your Linux environment

Linux user environments simplify your use of the system in many ways. Viewing your settings and modifying them can be tricky, though. Here’s how to do it.

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Tips for using the Ip command to print from Linux systems

The lp command on Linux systems provides numerous options for printing, such as multiple pages per sheet and page borders, but also just a few quirks to keep you on your toes.

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Printing from the Linux command line

There's a lot more to printing from the Linux command line than the lp command. Check out some of the many available options.

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How to configure a static IP address on Linux

When you need a Linux system to have a static IP address rather than one that is set dynamically, all that's required is some configuration changes and a restart. Follow these steps to make the switch.

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Cryptocurrency miners exploit Docker flaw

A container flaw discovered just last month has been exploited by hundreds of attackers, including cryptocurrency miners, cybersecurity company Imperva says.

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Linux security: Cmd provides visibility, control over user activity

Cmd helps organizations monitor, authenticate, and block user activity that goes beyond expected Linux system usage.

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What is Linux? The open-source operating system that's changing the world

Linux has long been the basis of commercial networking devices, but now it's a mainstay of enterprise infrastructure.


How to identify shell builtins, aliases and executable files on Linux systems

Learn what a shell "builtin" on a Linux system is, as well as what commands identify builtins and allow you to retrieve useful information about your working environment. and how to determine if a command is one or if s Let's...

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Sitting in the Linux cockpit

Linux Cockpit is a web-based interface that provides graphical administrative access to a system. Here's a look at what it allows you to control.


Red Hat announces container flaw CVE-2019-5736

A flaw in runC and Docker may allow access to underlying file systems when SELinux is not enabled.


How much memory is installed and being used on your Linux systems?

Several commands report on how much memory is installed and being used on Linux systems. You can be deluged with details or get a quick and easy answer, depending on the command you use.

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The Linux command-line cheat sheet

This select set of Linux commands can help you master the command line and speed up your use of the operating system.

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How to monitor activity on your Linux server

The watch, top, and ac commands provide some effective ways to oversee what is happening on your Linux servers.

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SUSE releases enterprise Linux for all major ARM processors

SUSE officially releases its enterprise Linux distribution, SUSE Linux Enterprise Server (SLES), for all major ARM server processors.

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Linux systems: Scraping up information about apt updates

Where can you find information on Linux updates performed with apt commands? Check the /var/log/apt directory.


Zipping files on Linux: the many variations and how to use them

There are quite a few interesting things that you can do with "zip" commands on Linux other than compress and uncompress files. Here are some other zip options and how they can help.

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