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Linux Articles
Page 4 of 134
How to Zip a File in Linux?
File compression is a fundamental task in Linux system administration for managing storage space and efficiently transferring files. Linux provides several powerful command-line tools including gzip, zip, tar, and others for compressing files and directories. This guide covers the most commonly used compression methods and their practical applications. Using the gzip Command gzip (GNU zip) is a widely-used command for single file compression in Linux. It provides excellent compression ratios and is included by default in most distributions. gzip filename.txt This command compresses filename.txt and renames it to filename.txt.gz. The original file is replaced ...
Read MoreInitial Server Setup and Configurations on RHEL 7
Red Hat Enterprise Linux (RHEL) 7 is a Linux-based operating system from Red Hat designed for businesses. This article provides a practical guide on performing initial server setup and configurations on RHEL 7. We will walk through essential first steps to prepare a RHEL 7 server for production use. Logging in as Root After your server boots, you will log in as the root user. The root user is the administrative user in a Linux environment with full system privileges. ssh root@your_server_ip Creating a New User After logging in as root, it's recommended ...
Read MoreInitial Server Setup with Ubuntu 20.04 18.04 and 16.04
Initial Server Setup is a critical first step after deploying a fresh Ubuntu server instance. Proper configuration ensures security, stability, and optimal performance for hosting applications or services. This guide covers essential setup procedures for Ubuntu versions 20.04, 18.04, and 16.04, including user management, security hardening, and basic service configuration. Prerequisites Before beginning the server setup process, ensure you have the following requirements − Fresh Ubuntu 20.04, 18.04, or 16.04 server instance Root access or user account with administrative privileges SSH client for remote server connection (e.g., OpenSSH, PuTTY) Server's public IP address System ...
Read MoreInstall RedMail with Virtual Domains, Webmail, SpamAssassin & ClamAV in Linux
Email communication remains an integral part of our personal and professional lives. Setting up a reliable and secure mail server is crucial for efficient communication within organizations or for personal use. Mail-in-a-Box (commonly called RedMail) is a fully-featured mail server solution that offers a comprehensive suite of tools to create virtual domains, access webmail, and enhance email security with SpamAssassin and ClamAV. In this article, we will guide you through the process of installing Mail-in-a-Box on a Linux system. Prerequisites Before diving into the installation process, ensure you have the following − A clean Ubuntu 18.04 ...
Read MoreInstall Adobe Flash Player 11.2 On CentOS/RHEL 7/6 and Fedora 25-20
Adobe Flash Player 11.2 was a widely used multimedia platform that enabled users to view interactive content, play online games, and stream videos. While Adobe officially discontinued Flash Player support in 2020, some legacy systems and applications still require Flash Player 11.2 to function properly. This guide covers installing Adobe Flash Player 11.2 on CentOS/RHEL 7/6 and Fedora 25-20 systems. Prerequisites Before proceeding with the installation, ensure you have the following − A CentOS/RHEL 7/6 or Fedora 25-20 system with administrative privileges A web browser such as Mozilla Firefox or Google Chrome installed Internet connection for ...
Read MoreInstall Docker and Learn Basic Container Manipulation in CentOS and RHEL 8/7
Docker is a containerization platform that packages applications and their dependencies into lightweight, portable containers. This allows applications to run consistently across different environments, from development to production. In this article, we will guide you through installing Docker on CentOS and RHEL 8/7 and demonstrate basic container operations. Installing Docker on CentOS/RHEL 8 Preparing the System Before installing Docker, ensure your system is up to date and install required dependencies − $ sudo yum update $ sudo yum install -y yum-utils device-mapper-persistent-data lvm2 Adding Docker Repository Add the official Docker repository to ...
Read MoreInstall Ghost (CMS) Blog Publishing Platform on Debian and Ubuntu
Ghost is an open-source content management system built on Node.js, known for its simplicity, speed, and elegant design. This modern publishing platform offers a clean interface for bloggers and content creators who prioritize writing and performance. In this tutorial, we will walk through the complete installation process of Ghost on both Debian and Ubuntu systems. Prerequisites Before beginning the installation, ensure you have the following requirements − A server or virtual machine running Debian or Ubuntu Root or sudo access to the system At least 1GB RAM and 10GB disk space A registered domain name (optional ...
Read MoreInstall GNUMP3d - A Streaming Media Server in RHEL/CentOS/Fedora and Ubuntu/Debian
GNUMP3d is a lightweight and easy-to-use streaming media server that allows users to share and stream their music collection over the internet. It supports various platforms, including RHEL, CentOS, Fedora, Ubuntu, and Debian. This article will guide you through the installation process of GNUMP3d on these Linux distributions, along with configuration examples and troubleshooting tips. Prerequisites Before proceeding with the installation, ensure you have the following prerequisites − A running instance of RHEL, CentOS, Fedora, Ubuntu, or Debian. A user account with sudo privileges. A music collection stored in a directory accessible by the system. ...
Read MoreInstall ImageMagick (Image Manipulation) Tool on RHEL, CentOS and Fedora
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. Installation Process 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 the following command − sudo dnf ...
Read MoreInstall Kernel 3.16 (Latest Released) in Ubuntu and Derivatives
The Linux kernel is the core component of the operating system that manages system resources and provides essential functionality. Ubuntu typically ships with a specific kernel version, but you may need to install a different version to access new features or resolve compatibility issues. This article guides you through installing Kernel 3.16 in Ubuntu and its derivatives. Prerequisites and Important Notes Warning: Installing a custom kernel can potentially make your system unstable or unbootable. Always create a full system backup before proceeding. Ensure you have administrator privileges (sudo access) Verify your system architecture (32-bit or 64-bit) ...
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