Featured Archive

Openfire Instant Messaging System

Openfire  is an open source real-time collaboration (instant messaging) server, built on the XMPP protocol  and available for multiple platforms. This guide will help you get started with Openfire on your Ubuntu 12.04. Before starting the installation of openfire in your ubuntu machine, update you repositories using the “apt-get update” command. Openfire required Java Runtime [&hellip

Read More…

Redhat Multipathing

Multipathing is the ability of a server to communicate using multiple physical connections between the host bus adapters in the server and the other device,typically in Fibre Channel (FC ),  iSCSI SAN environments and direct attached storage when multiple channels are available. Device Mapper Multipathing (DM-Multipath) allows you to configure multiple I/O paths between server nodes and storage [&hellip

Read More…

Linux Memory Concepts

Computer memory today consists mainly of dynamic random access memory (DRAM) chips that have been built into multi-chip modules that are, in turn, plugged into slots on the motherboard (the main circuit board on personal computers and workstations). This DRAM is commonly referred to as RAM (random access memory), and it constitutes the main memory [&hellip

Read More…

Install and Configure Puppet in CentOS/Red Hat

Puppet uses a basic client-server model to allow you to manage configuration across multiple machines. A central server runs a “puppetmasterd” that stores the configuration description and resource files for several server nodes. Satellite server nodes running “puppetd” connect regularly to the central server to synchronize their configurations, and report any local changes back to [&hellip

Read More…

Kickstart Server in Linux

Many system administrators would prefer to use an automated installation method to install Red Hat / CentOS / Fedora on their machines. To answer this need, Red Hat created the kickstart installation method. Using kickstart, a system administrator can create a single file containing the answers to all the questions that would normally be asked [&hellip

Read More…

DNS Server in Quick 7 Easy Steps

DNS-LINUX-BIND This is a very simple Bind installation and will help you understand how to configure DNS server in 6 easy StepsBind is the widely used DNS package for Linux servers. Once we have installed Bind, we may need to configure named  as below : 1.       Add the following entries in the ‘/etc/named.rfc1912.zones’ file.   [&hellip

Read More…

Zimbra Installation in Linux

VMware Zimbra Collaboration Server is an open source email and collaboration platform that includes email, contacts, calendar, documents and more. It is a Web-based application suite that can be deployed on Linux based platform. Zimbra Collaboration Server is compatible with desktop email clients, Web clients in diverse operating environments including the mobile Operating systems such [&hellip

Read More…