LINUX SERVERS

PRESENTED BY : SUSMITA DAS COE, IV YEAR-VII SEM

WHAT IS SERVER?

Client-Server Architecture

TYPES OF LINUX SERVERS

DNS Server

DHCP Server

FTP Server

APACHE Server

SAMBA Server

NFS Server

EMAIL Server

DNS SERVERServes as the "phone book" for the Internet

Translates human-readable computer hostnames into IP addresses

Also stores other information

DNS Server Working

DHCP SERVERAutomatically assigns IP addresses to devices (I.e. hosts) on your network

Prevents having to manually enter data

Steps used in Configuration- DHCPDISCOVER DHCPOFFER DHCPREQUEST DHCPACK

DHCP Server Working

APACHE SERVER

Red Hat's standard web server

More then 60% sites are hosted on apache web server

Apache support virtual hosts in which multiple web sites may share the same web server

SAMBA SERVER Developed by Andrew Tridgell

Allows file and print sharing between computers running Windows and computers running Unix

It was originally developed for Unix and Unix-like systems, like Linux, Solaris, Mac OS X, etc

Working of Samba Server

NFS SERVER It stands for Network File System

It was originally developed by Sun Microsystems

It allows user on a client computer to access files over a network in a manner similar to how local storage is accessed

Working of NFS Server

FTP SERVER

FTP is a standard mechanism for copying a file from one host to another

FTP uses the services of TCP

It needs two TCP connections- port 21 is used for the control connection port 20 for the data connection.

Working of FTP Server

EMAIL SERVER It is a computer that serves as an electronic post office for email

It’s a computer that performs MTA (Mail Transfer Agent) function, i.e., it transfers mails from one computer to another

Protocols used for Sending Mails- SMTP (Simple Mail Transfer Protocol),

sendmail Receiving Mails- POP3 (Post Office Protocol), IMAP

(Internet Message Access Protocol)

Working of Email Server

QUERIES???

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