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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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How to run command loops: Linux Tip

Being able to run command loops is one of the features of Linux that makes it easy to automate repetitive tasks. In this 2-minute Linux tip, learn about looping -- in scripts and on the command line.

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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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How to use the nmcli command: Linux Tip

Nmcli is a command-line tool for controlling NetworkManager and getting the status of network interfaces. Learn about using the command on this episode of 2-Minute Linux Tips.

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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? Everything you need to know about the open-source operating system

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.

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Linux tip: How to use the hostnamectl command

In this Linux tip, we look at the hostnamectl command. It’s a command that provides information on a particular system – including but not limited to its hostname – and even allows you to make some changes.


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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