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3. Server
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A computer node that contains and provides resources to other computer nodes in a computer network. E.g. The computer that contains data of your Medium profile that is sent back to your browser when requested.
how server work?
A server is a computer or a software program that provides services or resources to other computers or programs, which are known as clients. Servers can be used for a variety of purposes, such as hosting websites, handling email, storing data, and providing network services.
Here is a general overview of how a server works:
The server is set up and configured with the necessary hardware and software to provide the desired services.
The server is connected to a network or the Internet, so that clients can access its services.
Clients send requests to the server for the desired services or resources.
The server receives the requests and processes them, usually by running the appropriate software or scripts.
The server sends the requested services or resources back to the client, usually in the form of data or output.
The server may also store and manage data, authenticate users, and enforce security policies.
The exact details of how a server works can vary depending on the specific type of server and the services it provides. For example, a web server might use a web server software like Apache or Nginx to process HTTP requests and serve web pages, while a database server might use a database management system like MySQL or PostgreSQL to store and retrieve data. Nonetheless, the general principles remain the same: a server provides services to clients by receiving and processing requests, and then sending back the requested data or output.
server and its application:
A server is a computer or a software program that provides services or resources to other computers or programs, which are known as clients. Servers can be used for a variety of purposes, such as:
Web hosting: A server can be used to host websites and provide access to web pages and other web-related resources.
Email hosting: A server can be used to handle email and provide email services to users.
File sharing: A server can be used to share files and data between multiple users or computers.
Application hosting: A server can be used to host applications and provide access to software programs and services.
Database management: A server can be used to store and manage data, and provide access to databases and data management systems.
Network services: A server can be used to provide network services such as DNS, DHCP, and VPN services.
Gaming: A server can be used to host multiplayer games and provide gaming services to players.
Cloud computing: A server can be used in cloud computing environments to provide virtualized computing resources to clients.
These are just a few examples of the many applications of servers. Servers play a critical role in modern computing infrastructure, providing the services and resources that enable organizations and individuals to communicate, collaborate, and share information.