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Articles by Satish Kumar
Page 24 of 94
How can I use wstring(s) in Linux APIs
Introduction In Linux programming, use of wide character strings is becoming increasingly common. Wide character strings, or wstrings, are a sequence of wide characters, each of which can represent a single Unicode character. This makes them particularly useful when working with text that includes characters from a wide range of languages, as well as text that includes special characters such as accents, symbols, and emojis. In this article, we will explore how to use wstrings in Linux APIs, with examples and explanations. What are wstrings and why use them? A wide character string, or wstring, is a sequence of wide ...
Read MoreHow To Work With Ansible Variables And Facts?
Ansible is a widely−used open−source tool that helps in automating software provisioning, configuration management, and application deployment. One of its powerful features is the ability to use variables and facts, which can simplify your playbooks and tasks, and allow you to design more dynamic, flexible, and reusable automation scripts. In this article, we'll dive into how to work with Ansible variables and facts, showcasing several examples and their corresponding output. Understanding Ansible Variables Variables in Ansible allow for the storage and manipulation of values, which can be utilized across multiple tasks or even different playbooks. Variables can be defined in ...
Read MoreHow to Work With GitHub Flavored Markdown in Linux?
Markdown is a popular lightweight markup language that allows users to write using an easy−to−read and easy−to−write plain text format, which can then be converted into HTML or other formats. In essence, it simplifies the process of structuring and formatting text. GitHub Flavored Markdown (GFM) is a variant of Markdown used by GitHub, incorporating additional features that help developers to document their work. In this article, we're going to delve into how to work with GitHub Flavored Markdown on a Linux system, with practical examples and their output. Basics of GitHub Flavored Markdown Let's start with the basics of GFM. ...
Read MoreHtop - An Interactive Process Viewer for Linux
Introduction System monitoring is an essential aspect of Linux administration, as it gives a clear overview of system resources usage, and the performances of various processes and applications running on a Linux system. Several tools provide this functionality, but Htop stands out due to its superior features and user-friendly interface. Htop is an interactive process viewer and system monitor that supersedes the older 'top' utility found in most Linux distributions. Htop offers a real−time, color−coded, and graphical representation of the processes running on a system, with CPU, memory, and swap usage displayed at the top. In this article, we delve ...
Read MoreInstall Apache, MySQL 8 or MariaDB 10 and PHP 7 on CentOS 7
Introduction CentOS 7 is a popular Linux distribution known for its stability and security. If you're looking to set up a web server on CentOS 7, you'll likely need to install Apache, MySQL or MariaDB, and PHP. In this comprehensive guide, we will walk you through the installation process of these components, along with examples and their outputs, to ensure a successful setup. Prerequisites Before we begin, make sure you have the following prerequisites in place − CentOS 7 installed on your server or virtual machine. Root access or sudo privileges to execute commands with administrative rights. Update the System ...
Read MoreInstall LXC (Linux Containers) in RHEL, Rocky & AlmaLinux
Introduction LXC, short for Linux Containers, is an operating system-level virtualization method that allows you to run multiple isolated Linux systems (containers) on a single host. It provides a lightweight and efficient alternative to traditional virtualization technologies. In this article, we will guide you through the process of installing LXC on RHEL, Rocky Linux, and AlmaLinux, three popular distributions known for their stability and security. Prerequisites Before proceeding with the installation, ensure that you have the following prerequisites − A supported version of RHEL, Rocky Linux, or AlmaLinux. Sudo or root access to the system. An internet connection. ...
Read MoreInstall Latest SMPlayer in Debian, Ubuntu, Linux Mint and Fedora
Introduction SMPlayer is a popular cross-platform multimedia player that supports various formats and codecs. It provides a user-friendly interface and offers advanced features like playback speed control, subtitle support, and YouTube integration. This article will guide you through the process of installing the latest version of SMPlayer on Debian, Ubuntu, Linux Mint, and Fedora distributions. Installing SMPlayer on Debian-based Systems (Debian, Ubuntu, Linux Mint) Step 1: Open the Terminal To begin, open the terminal on your Debian-based system. You can do this by pressing Ctrl + Alt + T or by searching for "Terminal" in the applications menu. Step 2: ...
Read MoreInstall Kernel 3.16 (Latest Released) in Ubuntu and Derivatives
Introduction The Linux kernel is the core component of the operating system that provides essential functionality and manages system resources. Ubuntu, one of the most popular Linux distributions, usually ships with a specific version of the kernel. However, there may be instances where you want to install a different kernel version to access new features or address compatibility issues. In this article, we will guide you through the process of installing Kernel 3.16, the latest released version, in Ubuntu and its derivatives. We will also provide examples and detailed outputs of commands to help you along the way. Step 1: ...
Read MoreInstall ImageMagick (Image Manipulation) Tool on RHEL, CentOS and Fedora
Introduction ImageMagick is a powerful open-source software suite used for image manipulation, editing, and conversion. It supports a wide range of image formats and provides a comprehensive set of command-line tools for performing various image-related tasks. In this article, we will guide you through the process of installing ImageMagick on RHEL (Red Hat Enterprise Linux), CentOS, and Fedora systems. We will also provide several examples demonstrating the usage of ImageMagick commands. Step 1: Update the System Before installing any software, it is recommended to update your system to ensure you have the latest package information. Open a terminal and run ...
Read MoreInstall Guacamole for Remote Linux/Windows Access in Ubuntu
In today's interconnected world, remote access to Linux and Windows machines is essential for efficient system administration and troubleshooting. Guacamole is an open-source clientless remote desktop gateway that allows you to access your machines from anywhere using just a web browser. In this article, we will guide you through the process of installing Guacamole on Ubuntu and demonstrate how to access Linux and Windows systems remotely. Prerequisites Before we begin, ensure that you have the following prerequisites in place − A machine running Ubuntu (version 18.04 or later) with administrative privileges. A stable internet connection. Let's get started! ...
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