HISTORY Exim was written by Philip Hazel at the University of Cambridge in 1995. Written using the basic philosophy of Smail The name was derived from Experimental Internet Mailer as the outcome of the project at start was unknown. EXIM Exim is Open Source and distributed under the GNU General Public License (GPL) It is a Mail Transfer Agent (MTA) INTERNET MAIL TRANSPORT AGENTS MTA Mail Transfer AgentMTA is a program used for transporting mail from one host to another. Messages sent from one host to another use the …
Modern web applications are expected to be fast, responsive, and interactive. Users no longer want pages to reload every time they submit a form or request data from a server. This is where AJAX becomes important. AJAX, which stands for Asynchronous JavaScript and XML, allows web applications to exchange data with a server in the background without refreshing the entire page. This technology helps developers create smoother and more user-friendly applications. In this blog, we’ll explain what AJAX is, how it works, the role of the XMLHttpRequest object, and how …
RPM FORGE * RPM Forge is the 2nd party RPM repository * It is an independent community-driven project to provide the infrastructure and tools to allow users, developers and packagers to engage and work together to provide and to improve RPM packages. * This project already supports various Linux distributions and architectures and is fast expanding. The main contributors of RPMForge are: * Dag Wieers * Dries Verachtert * Matthias Saou * Jeff Pitman * Fernando Lopez-Lezcano * Bert de Bruijn
What Is MySQL? MySQL (pronounced “My Ess Cue El”) is one of the world’s most popular open-source relational database management systems (RDBMS). It uses Structured Query Language (SQL) to: MySQL is widely known for: It powers millions of websites and applications worldwide. Advantages of MySQL Here are some key benefits: 1. Multithreaded Architecture MySQL supports multiple concurrent connections without significantly impacting performance. 2. Broad Language Support It integrates with many programming languages including: 3. Open Source & Cost Effective MySQL Community Edition is free to download and use. 4. Cross-Platform …
LVM HOWTO An Introduction This is an attempt to collect everything needed to know to get LVM up and running. The entire process of getting, compiling, installing, and setting up LVM will be covered. Pointers to LVM configurations that have been tested will also be included. This version of the HowTo is for LVM 2 with device-mapper and LVM 1.0.8. All previous versions of LVM are considered obsolete and are only kept for historical reasons. This document makes no attempt to explain or describe the workings or use of those …
Debian is a project-based around the development of a free, complete operating system based on the work of the GNU Project through the collaboration of volunteers from around the world. The project’s primary focus, Debian GNU/Linux, is a popular Linux distribution. Debian is known for its adherence to the Unix and free software philosophies and for its abundance of options – the current release includes over fifteen thousand software packages for eleven computer architectures ranging from the ARM architecture commonly found in embedded systems and the IBM eServer zSeries mainframe …
OpenVZ is an Operating System-level server virtualization solution, built on Linux. OpenVZ creates isolated, secure virtual environments VEs (otherwise known as virtual private servers, or VPS) on a single physical server enabling better server utilization and ensuring that applications do not conflict. Each VE performs and executes exactly like a stand-alone server; VEs can be rebooted independently and have root access, users, IP addresses, memory, processes, files, applications, system libraries and configuration files. Using premier VPS technology, several isolated VPS systems are installed on a single physical server. Users share …
The Internet Protocol (IP) is a data-oriented protocol that allows multiple hosts to talk to each other across network connections. Data in an IP network are sent in blocks referred to as packets or datagrams. They typically have a source host, destination host, and source and destination ports associated with the communication. Layered on top of the IP protocol are other protocols. These are typically transport layers. There are two main transport protocols that are heavily used. The transmission control protocol (TCP) is a stateful delivery mechanism that makes a …
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