SysAdmin

How to Change Root or Sudo Password in Ubuntu

April 16, 2024

Are you looking to change the root password in Ubuntu? Changing passwords is a good practice and should be done periodically. Linux allows multiple user accounts, each having its own password. Users can only change their own password. However, there is always a sudo/root (SuperUser) account. Root users can change the password of any account, including their own.

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How to Use the su Command in Linux with Examples


Learn how to use the su command with practical examples and explanations. Change users in the terminal window or switch to the root in a single step. This article tells you all you need to know about su.

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How to Rename a Local and Remote Git Branch

April 11, 2024

Git is a version control system that helps you control the stages of software development. It uses named branches to keep the original code intact, while working on new revisions. This guide uses a few simple commands to show you how to change the name of a branch.

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How to Install Nmap Network Scanner on Linux

April 8, 2024

This tutorial shows how to install Nmap on a Linux-based system and use it to retrieve valuable information from remote systems.

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How to Install MongoDB on Ubuntu

April 4, 2024

MongoDB is a document database program that provides high performance, high availability, and automatic scaling to your databases. Use this tutorial to learn how to install MongoDB. The article also shows you how to implement basic security features to get you started.

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How to Add User to Sudoers or Sudo Group on Ubuntu

April 3, 2024

The sudo command is the preferred means to handle elevated permissions. Standard user accounts are restricted from performing sensitive tasks, such as viewing the contents of the /root directory. This prevents the accidental use of commands with massive consequences. It also makes it more difficult for intruders to compromise a system. If you need to run an administrative command. Sudo – or Super User Do – grants you privileges to run sensitive tasks. The sudo command will grant elevated permissions for 15 minutes. This guide will show you how to create a new user on Ubuntu and provide sudo access.

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How to Install Apache Maven on Debian

April 2, 2024

Apache Maven is a project management tool for developing Java applications It resembles other Linux-based project management tools but differs in that it’s designed to provide a comprehensive and easy-to-read status of a project. It also incorporates a POM (Project Object Model) approach, meaning that it uses standardized software libraries and plugins. This tutorial will walk you through how to install Apache Maven on Debian 9.

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Linux ping Command with Examples


The Linux ping command is a powerful tool for troubleshooting and testing network connectivity. In this guide, we will walk you through some of the most useful ping commands with examples.

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How to Install VMware Tools on Ubuntu

April 1, 2024

This article provides three methods of installing VMware Tools on your Ubuntu guest system. VMware Tools vastly improves your experience when using a virtual operating system.

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How to Check Memory Usage in Linux via CLI and GUI

March 28, 2024

Learn the most commonly used commands to check memory usage in Linux. The guide also provides detailed explanations on how to interpret the results.

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