As we move into 2013 and attempt a glance further into the future, we see shifts in the conversation around cloud collaboration. I’ve outlined a few thoughts on what we can expect soon, over the course of the next few years, and in the future. In 2013, we’ll see the cloud conversation shift to flexibility and agility as primary drivers of adoption. “Businesses will have to provide an environment in which their employees are connected in ways they...
Saturday, 29 June 2013
Understanding VLAN Trunk Protocol (VTP)
Posted on 15:53 by Unknown
IntroductionVLAN Trunk Protocol (VTP) reduces administration in a switched network. When you configure a new VLAN on one VTP server, the VLAN is distributed through all switches in the domain. This reduces the need to configure the same VLAN everywhere. VTP is a Cisco-proprietary protocol that is available on most of the Cisco Catalyst series products. Note: This document does not cover VTP Version 3. VTP Version 3 differs ...
Creating a Mail Server on Ubuntu (Postfix, Courier, SSL/TLS, SpamAssassin, ClamAV, Amavis)
Posted on 15:42 by Unknown
UPDATE: This guide has been updated to work with Ubuntu 12.04 LTS.Note: this has been tested to work on the following versions of Ubuntu: Ubuntu 12.04Ubuntu 11.04Ubuntu 10.04Ubuntu 9.04One of the most fragile and fragmented services I’ve had to configure on Ubuntu is a mail server. No matter which of the many guides I follow, each time I do it there’s always something not working. This one is mostly for my benefit, but hopefully it’ll be useful...
Voice Over Internet Protocol (VoIP)
Posted on 15:36 by Unknown
VoIP, which stands for Voice Over Internet Protocol, is a general term used to describe different technologies used for the delivery of voice communications over IP networks or other packet-switched networks. Put in simple terms, it is most commonly used for technology which allows users to use a telephone over the internet. VoIP Phone technology has been around since the early 1990's, but only recently has the service become widely available...
Advantages and disadvantages of computers
Posted on 15:32 by Unknown
Today, the computer is used in every field and has made our day to day tasks very easy but there are some advantages and disadvantages of computers. Advantages of ComputerComputer has made a very vital impact on society. It has changed the way of life. The use of computer technology has affected every field of life. People are using computers to perform different tasks quickly and easily. The use of computers makes different task easier. It...
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