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Archive | March, 2015

Exim mail server

Exim Exim is a mail transfer agent which is used on Unix-like operating systems for sending,receiving and routing the email messages. Exim is a free software distributed under the terms of the General Public License (GNU), and it aims to be a general and flexible mailer with extensive facilities for checking incoming mails. The mail  Full Article…

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DNS – Domain Name System

Domain Name System (DNS) Domain Name system is implemeted as the hierarchial  and distributed database containing various types of data, including hostnames and domain names. Most prominently, it translates domain names, which can be easily memorized by humans, to the numerical ip addresses  needed for the purpose of computer services and devices worldwide. A DNS  Full Article…

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Web servers: Apache and Nginx

This article discuss some points about two major web servers Apache and Nginx. Apache Apache is the most popular web server since 1996. Apache software foundation doing the development and maintenance of this software. The first version of Apache web server software was developed by Robert McCool,who was heavily involved with the Nation Computer for  Full Article…

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Caching methods

Caching plays an important role in improving your website performance. Below are some commonly used caching mecahnism with PHP Memcached Free & open source, high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load. Memcached tool is a cache for storing frequently  Full Article…

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Server security

                 The term security or the phrase Server security refers to techniques for ensuring that data stored in a system cannot be read or compromised by any individuals without authorization. The effort to secure a server is a continuous process; where the security threats needs to be analyzed and then protect the server from each  Full Article…

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