How to Use Linux dig Command (DNS Lookup)


dig (Domain Information Groper) command is a tool for querying DNS name servers. It is a helpful command for diagnosing DNS problems but is also used to display DNS information. Learn how to use this command by following this article.

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How to Install IPMItool on Centos 7/8 & Ubuntu 18.04/20.04


This article helps you install IPMItool on your CentOS or Ubuntu system. Download, install and enable IPMItool and get to know the most common IPMItool commands today.

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How to Install Keras With TensorFlow Backend on Linux


Follow the step by step instructions to learn how to prepare your system for the installation of Keras and TensorFlow. We also talk about the main features of Keras and TensorFlow.

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How to Use the sudo Command in Linux


sudo stands for SuperUser DO, and it’s used to temporarily elevate privileges in Linux. This guide will show you several ways that sudo command can be used.

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How to Change File Permissions Recursively with chmod in Linux


Setting file and directory permission properly is important in multi-user systems such as Linux. You can set permission recursively using the chmod or find command and grant privileges or restrict access in a single command.

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How to Check Java Version Installed on Linux


Need to check your Java version? Use one of these three methods to find the Java version installed on your system (Ubuntu, CentOS, or Debian).

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The Difference Between sudo and su Explained


Learn when to use the su command and when to use the sudo command. While su is mostly used for account switching, sudo is utilized for executing commands that require root privileges. Find out more about SU vs. SUDO in this in-depth comparison.

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19 Crucial Linux ls Commands to Know


The ls command (short for “list”) lists information about directories and any type of files in the working directory. Learn how to use ls command in this article.

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How to Use the Linux Cat Command (With Examples)


The cat command, short for concatenate, is used to display the contents of one or more files, without having to open the file for editing. Learn how to use the cat command by following this article.

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How to use Linux Shutdown Command with Examples


The shutdown command is used to shut down the system immediately, schedule a shutdown, inform users of such processes, or even cancel it. LEarning how to use the shutdown command is important for any Linux user.

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