Found 1383 Articles for Open Source

Secure Shell (SSH) is a popular protocol used to securely access remote systems over internet. It provides a secure, encrypted communication channel between a local and a remote computer, making it a great tool for remote administration, file transfers, and tunneling. In this article, we will cover basic usage and configuration of SSH in Linux. Installing and Enabling SSH Before we dive into using SSH, let's make sure it's installed and enabled on your Linux machine. To install SSH on Ubuntu, Debian or other Debian-based distributions, you can run following command − sudo apt-get install openssh-server On Red Hat-based ... Read More

Linux is a popular operating system that is used for various purposes, including servers, desktops, and mobile devices. With its open-source nature and robust security features, Linux is generally considered to be more secure than other operating systems. However, this does not mean that Linux is immune to security risks. Like any other operating system, Linux can be vulnerable to cyber attacks if it is not properly secured. In this article, we will discuss some basic security tips that you can use to protect your Linux system. Keep Your System Up-to-date The first and foremost step to secure your Linux ... Read More

If you are a Linux user, you may have experienced some difficulties when it comes to monitoring system resources. Keeping track of CPU usage, memory usage, network activity, and other important system statistics can be a challenging task. Fortunately, there are several open-source tools available that make it easy to monitor system resources. In this article, we will be discussing one such tool – Bashtop. What is Bashtop? Bashtop is a resource monitoring tool for Linux that provides real-time information on system resources. It is a terminal-based application that displays a live graph of system resources usage, making it easy ... Read More

If you're new to command line interface, you may have come across terms bashrc and bash_profile. These are important files that can be found in your home directory and are used to customize your shell environment. However, many users are often confused about differences between these two files. In this article, we'll dive into differences between bashrc and bash_profile, and explain how they work. What is Bashrc? Bashrc is a configuration file for Bash shell, which is default shell on most Linux distributions and macOS. This file is executed each time you open a new terminal window, and it contains ... Read More

Android Operating System is an open-source software platform that powers a variety of mobile devices, including smartphones, tablets, smartwatches, and smart TVs. Developed by Google, Android OS was first released in 2008 and has since become the most widely used mobile operating system globally. Android OS is known for its vast array of features, including Google integration, multitasking capabilities, and a wide range of apps available through the Google Play Store. It is constantly evolving, with new versions released regularly, and has become a crucial part of the mobile technology landscape. Key Areas Covered History of Android ... Read More

What is MS Office? Microsoft developed the Microsoft Office suite in 1988. The suite consists of various applications which are as follows − MS Word MS Excel MS PowerPoint MS OneNote MS Outlook MS Access These tools are used to make presentations, forms, tables, etc. Currently, MS Office 2016 version is being used for all purposes. Cost of MS Office The cost of MS Office Home and Business 2021 is Rs. 27, 999. Why there is a need for MS Office Alternatives? MS Office suite includes a lot of useful applications but the cost is very high for ... Read More

What is Firebase? Firebase is an application which is built on Google’s infrastructure. It works as backend-as-a-service and helps the developers to develop different kinds of apps by providing tools and services of different types. Firebase comes as a NoSQL database program which stores data in the form of JSON-like documents. Cost of Firebase There are two pricing plans which are used to pay for Firebase services. These pricing plans are − Spark Plan Blaze Plan Spark plan is a no cost tier while the blaze plan is a paid tier. Spark plan offers 1GB storage and 20K ... Read More

Bash math operations or Bash arithmetic refers to mathematical operations that can be performed within a Bash script. Bash is a command-line shell used in many Unix-based systems, including Linux and macOS. Bash arithmetic is a powerful feature of shell, allowing you to perform various math operations like addition, subtraction, multiplication, and division with ease. In this article, we will explore basics of Bash arithmetic, including its syntax and various operations that can be performed with examples. Basic Syntax of Bash Arithmetic To perform Bash arithmetic, you need to use a special syntax that is different from regular arithmetic operators. ... Read More

If you've been using command line interface on your computer, then you must be familiar with Bash, a popular shell that is used to run commands and scripts. Bash is a powerful tool that can help you automate various tasks and make your life easier. One of most important constructs in Bash is if-elif-else statement, which allows you to make decisions based on conditions. In this comprehensive tutorial, we will explore Bash if-elif-else statement and show you how to use it effectively. What is Bash if-elif-else Statement? The Bash if-elif-else statement is a construct that allows you to execute a ... Read More

If you're a Linux or Unix user, you're probably familiar with Bash, command-line shell that's commonly used on these systems. Bash has a lot of powerful features that can make working on command line much more efficient, and one of those features is called a "HereDoc." In this tutorial, we'll explain what a HereDoc is, how it works, and give you some examples of how you can use it in your Bash scripts. What is a HereDoc? A HereDoc, short for "Here Document, " is a way to include a block of text within a Bash script. This block of ... Read More