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server Articles
Found 65 articles
Server Operating System
A Server Operating System is a specialized OS designed to run on server computers and manage network resources, services, and multiple client connections simultaneously. Unlike desktop operating systems that serve individual users, server OS platforms are optimized for high performance, stability, and concurrent user support in enterprise environments. Server Operating System Architecture Server operating systems use a client-server architecture where one powerful server machine provides resources and services to multiple client devices across the network. This centralized approach enables efficient resource sharing, centralized management, and scalable service delivery. Client-Server Architecture ...
Read MoreSetting Up a Linux Multifunction Server
Linux is widely used both as a Desktop Operating System and to create server platforms. Linux can be used to build standalone servers, mail servers, web servers, and network gateways for LANs. It is extensively used in telecommunications, embedded systems, satellites, medical equipment, military systems, computer graphics, and desktop computing. 75 percent of the world's top supercomputers run on Linux, making it the preferred choice for enterprise server deployments. Setting Up a Linux Multifunction Server A multifunction server combines multiple services like web hosting, email, database management, and file sharing on a single Linux machine. This approach maximizes ...
Read MoreLearn Modern Service Management System (Systemd) on Linux
systemd is a modern system and service manager for Linux operating systems. Running as the first process on boot (PID 1), it acts as an init system that initializes and maintains userspace services, replacing traditional SysV init scripts with a more efficient service management framework. systemd provides comprehensive system initialization, service management, and system state control through its suite of tools, primarily systemctl for service control and systemd-analyze for performance analysis. Basic systemd Information To get help information about systemd, use the following command − $ systemd -h Starts up and maintains ...
Read MoreHow to Install and Configure Caching-Only DNS Server on Linux
This article will show you how to configure a DNS caching server (also called a forwarding server) in a local environment using BIND. DNS (Domain Name System) servers are critical infrastructure components for proper website and server operation. While many users rely on DNS servers provided by hosting companies or domain controllers, setting up a local caching DNS server can improve performance and reduce external dependencies. What is a Caching DNS Server A caching DNS server stores DNS query results locally to speed up future requests. These servers are called resolvers because they handle recursive queries and perform ...
Read MoreHow to Find the List of Daemon Processes and Zombie Processes in Linux
This article will guide you to understand zombie processes and daemon processes, and help you identify processes running in the background on Linux systems. What is a Zombie Process? When a process completes execution, it must report its exit status to its parent process. During this brief period, the process remains in the OS process table as a zombie process. The zombie indicates that the process will not be scheduled for future execution, but it cannot be completely removed until the parent process reads its exit status. When a child process completes, the parent process receives a ...
Read MoreMastering Package Management system with Dpkg
Dpkg is a low-level package management tool for Debian-based Linux systems. It provides direct control over package installation, removal, configuration, and querying through command-line parameters. Unlike higher-level tools like apt, dpkg operates directly on .deb package files and maintains the package database. Every dpkg command consists of one action parameter that tells dpkg what to do, along with optional flags that modify the behavior. Dpkg is the foundation upon which other package managers are built. Getting Help To view all available dpkg options and commands − dpkg --help This displays a comprehensive list ...
Read MoreMastering User Management on Linux
User management is a fundamental skill for Linux administrators. This article covers essential commands for creating, modifying, and deleting user accounts, managing groups, and monitoring user activities in Linux systems. In the examples below, sai is used as the username for demonstration purposes. usermod Command The usermod command modifies existing user account attributes. It allows administrators to change user properties without recreating the account. To get help information about usermod − $ usermod --help Key options include − -c, --comment COMMENT ...
Read MoreReal Time Streaming Protocol (RTSP)
Real Time Streaming Protocol (RTSP) is a network control protocol designed for use in entertainment and communication systems to control streaming media servers. The protocol is used to establish and control media sessions between endpoints, and it can support the transmission of video, audio, and other types of data. RTSP is similar to HTTP, but it is specifically designed for the control of streaming media. It allows a client to issue commands to a server, such as "play, " "pause, " and "record, " and it can also be used to negotiate the delivery of streaming media. RTSP ...
Read MoreH.323 and Associated Protocols
H.323 is a comprehensive suite of standards for real-time multimedia communication over IP networks, developed by the International Telecommunication Union (ITU) in the late 1990s. It enables voice, video, and data communication across packet-switched networks like the Internet. H.323 provides a framework for interoperability between different multimedia communication systems and has been widely adopted for applications such as Voice over IP (VoIP), video conferencing, and multimedia streaming services. Core H.323 Protocols The H.323 suite comprises several interconnected protocols, each serving specific functions: H.225 − Handles call signaling and establishment. Uses the Remote Procedure Call ...
Read MoreHow To Set Up Multiple SSL Host With A Single Apache Server
In this article, we will show you how to set up multiple SSL certificates on a CentOS server with Apache using a single IP address. Traditionally, website administrators were restricted to using one SSL certificate per IP address, which required purchasing multiple IP addresses for HTTPS websites or additional hardware with multiple network adapters. This limitation is overcome by an extension to the SSL protocol called Server Name Indication (SNI). Most modern desktop and mobile web browsers support SNI, allowing you to secure multiple websites without purchasing additional IP addresses. Multiple SSL Certificates with ...
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