Nagios is the most widely used open-source monitoring system to monitor the networks, servers, services and applications which are running on Windows and Linux operating systems. It will notify alerts on failure or suboptimal performance. In this article we will learn how to install Nagios on Ubuntu 20.04. Step 1 – Prerequisites# You must logged
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How to Install Postman on Ubuntu 20.04
Postman is a complete API development platform that helps you manage your APIs in every stage of development, from designing and testing, to publishing API documentation and monitoring. Postman started as a Chrome browser extension and quickly became one of the most widely used API tools by developers all over the world. Postman is available
How to Install Jenkins on Ubuntu 20.04
Jenkins is an open-source automation server. It’s a continuous integration tool that offers number of plugins for building deployments and automation for your applications. This also helps to automate the repetitive tasks involved in the software development process. This tutorial will show you how to install Jenkins on Ubuntu 20.04. Step 1 – Prerequisites# You
How to Install Apache Cassandra on Ubuntu 20.04
Apache Cassandra is a free and open-source NoSQL database with no single point of failure. It provides linear scalability and high availability without compromising performance. Apache Cassandra is used by many companies that have large, active data sets, including Reddit, NetFlix, Instagram, and Github. This article guides you through the installation of Apache Cassandra on
Bash Source Command
The source is a shell built-in command which is used to read and execute the content of a file, passed as an argument in the current shell script. It is useful to load functions, variables, and configuration files into shell scripts. Source Command Syntax# The following is the basic syntax for the Source Command: source
How to Install Tor Browser on Ubuntu 20.04
Tor Browser is a customized version of Firefox that routes the web traffic through the Tor network, making it private and anonymous. When you browse the Internet with the Tor Browser, the connection to the website you are viewing is encrypted and protected from network surveillance and traffic analysis. However, using Tor Browser comes with
How to Run Sudo Command Without Password
The sudo (sudouser do) command is a tool in Linux systems, used to run commands or programs as another user, by default as root user. If you doing administration task then you need to use sudo frequently. This article show you how to run sudo command without entering password. To grant the sudo access to
How to Add User to Group in Linux Systems
In Linux, we can set different users to different roles and responsibilities. Also we can set restriction for specific users and groups. In this tutorial we will show you how to add a user to a group in Linux systems. We will also explain you how to remove a user from a group and how
How to Install Sublime Text 3 on Ubuntu 20.04
Sublime Text is a popular text and source code editor for web and software development. It is very fast, and it comes with lots of powerful features out of the box. The application can be enhanced and customized by installing new plugins and creating custom settings. This article explains how to install Sublime Text 3
How to Install MongoDB on Ubuntu 20.04
MongoDB is a free and open-source document database. It belongs to a family of databases called NoSQL, which is different from the traditional table-based SQL databases like MySQL and PostgreSQL. In MongoDB, data is stored in flexible, JSON-like documents where fields can vary from document to document. It does not require a predefined schema, and