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Articles by Satish Kumar
Page 4 of 94
Initial 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 and Configure Caching-Only DNS Server in RHEL/CentOS 7
DNS (Domain Name System) plays a crucial role in translating domain names into IP addresses, allowing users to access websites using human-readable URLs. To enhance DNS performance and reduce network latency, implementing a caching-only DNS server can significantly improve the speed and efficiency of DNS lookups. In this article, we will guide you through the process of installing and configuring a caching-only DNS server in RHEL/CentOS 7. Prerequisites Before proceeding, ensure that you have the following − A server running RHEL/CentOS 7. Root or sudo access to the server. Basic knowledge of the Linux command line. ...
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 EHCP in RHEL/CentOS/Fedora and Ubuntu/Debian/Linux Mint
EHCP (Easy Hosting Control Panel) is a powerful and user-friendly web hosting control panel that simplifies the process of managing web servers and hosting websites. It provides a comprehensive set of features and tools to streamline the hosting experience. This article will guide you through the step-by-step process of installing EHCP on both Red Hat-based distributions (RHEL, CentOS, Fedora) and Debian-based distributions (Ubuntu, Debian, Linux Mint). Prerequisites Before we begin, make sure you have the following prerequisites in place − A server or virtual machine running one of the supported Linux distributions. Root access or sudo ...
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 MoreGraphicsMagick - A Powerful Image Processing CLI Tool for Linux
GraphicsMagick is a powerful command-line image processing tool for Linux systems that provides extensive functionality for manipulating, converting, and optimizing digital images. Built as a robust fork of ImageMagick, it offers superior performance and stability for both basic image operations and advanced batch processing tasks. Getting Started with GraphicsMagick Installation Process on Linux Before using GraphicsMagick, ensure it is installed on your Linux system. The installation process varies depending on your distribution. For Ubuntu and Debian-based systems, install GraphicsMagick using − sudo apt-get install graphicsmagick For Fedora and CentOS systems − ...
Read MoreGraylog - Industry Leading Log Management for Linux
In today's world, businesses and organizations generate massive amounts of data. One of the most important sources of data in a software-based organization is log files. These files contain valuable information about user behavior, system performance, security events, and more. However, managing and analyzing large volumes of log data can be challenging without the right tools and techniques. What is Graylog? Graylog is an open-source log management tool designed to help organizations collect, process, and analyze large volumes of log data from various sources. It is built on top of Elasticsearch, MongoDB, and other open-source technologies to provide ...
Read MoreGrep Regex A Complete Guide
Grep Regex is a powerful command-line tool that combines the grep utility with regular expressions to search for patterns in text files. Grep stands for "Global Regular Expression Print" and is essential for developers, system administrators, and data analysts who need to extract specific information from large datasets or log files. Regular expressions (regex) are sequences of characters that define search patterns. When combined with grep, they provide a flexible and efficient way to find, filter, and extract text based on complex criteria. Basic Grep Syntax The basic syntax for grep is straightforward − grep ...
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