Every guy studying or working with computers has heard about OSI model. People working in networking have to deal with this on a daily basis, where as students need to understand this for their networking subject. There’s a lot of confusion around this OSI model which makes it look more […]

What is OSI Model? OSI model simplified !


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Skype is one of the necessities in every machine. Sadly, Skype isn’t available in the Ubuntu Software Center, so we’ll have to download the package and install it manually. There are two ways you can do this. Add canonical Repository and directly install Skype using apt-get. Download Debian package and […]

How to install Skype in Ubuntu


Have you faced a situation when you tried to explain a solution to your friend or co-worker and ended up with an irritated and spoilt mood. We all know how difficult it is to instruct someone about the configuration and settings over phone. Don’t you just wish you could go […]

What is TeamViewer?


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Recently, 4chan was the all over the news in one of the most controversial hacking activity that took place in the last few years bought. People criticized it as the images first surfaced on this site. Websites, Newspapers went on a rampage to degrade its reputation. After a few weeks […]

What is 4chan?



Time and again, we have seen celebrities tweeting their followers that they will be available on Reddit for a AMA session. You might have come across some good links on Reddit. Reddit was also on news for the recent celebrity leaks. Sadly, many of the novice and day-to-day users still […]

What is Reddit?


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If you’re a news addict, you may have come across the word ‘WikiLeaks’ in the past few years. Back in 2010 and 2011, WikiLeaks was in news almost every second day, due to the various controversies surrounding it.  WikiLeaks, since it gained popularity has been headache to various corrupt officials […]

What is WikiLeaks?


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If you use internet and surf on websites other than Facebook and Twitter, you must have come across the term ‘Bitcoin’. Recently the hacker who stole images from iCloud of many A grade celebrities was also asking for bitcoins. You might have seen somewhere an option to pay in bitcoins. […]

What are bitcoins?


We all know about this gigantic internet that we access. We can find everything we want on the internet, well not everything but ALMOST everything. But what if someone told you what you use a tiny part of this internet, and there’s whole new universe of information available there? You […]

What is Deep Web?



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Many of us use Chrome, Firefox, Safari, IE or torch browser to surf the internet, but there’s one browser the general audience don’t know. It is The Onion Router or commonly known as TOR browser. In this post, we will try to make you aware of the TOR browser, what is it? […]

What is TOR?


An IDS or Intrusion Detection System is often confused with Honeypot since both are related to network security. Many students think of it as an another type of honeypot, which is incorrect. Although, both IDS and Honeypot keep your network secure and alert you about various attacks, both of them […]

What is IDS or Intrusion Detection System ?


We all have heard about firewall. Many of us have seen a small pop-up near date & time in the task bar, asking us to turn on Firewall. People who play games in LAN, have to turn off their firewall. But what is this Firewall and why is it there? […]

What is Firewall?


Many computer/IT students would have come across this word at least once during their college life. Thankfully, it is not as complex as routers or IP addresses to understand. Well, the concept of Honeypot is quite old, but is still effective, and many companies still use it to secure themselves […]

What is Honeypot?



Network Address Translation is a very deep and sophisticated topic, but we are here only to give you an idea about these technologies, so you’ll be aware of what it is and how it works. We will just cover the tip of an iceberg in this post, just to familiarize […]

What is Network Address Translation


In the last post we saw how to install Apache web server in Red-Hat distributions. In this post, we’ll see how to install and configure Apache web server in Ubuntu or any Debian distribution. Apache in Debian is way different from Apache in Red-Hat systems. In any Red-Hat distribution, to […]

Apache Web Server in Ubuntu


Data, as mentioned in earlier posts, are one of the most important things to look after in any server. Which is why, Microsoft has introduced Storage pools, which are very much like LVM in Linux. But is it really necessary? Do we need Storage pools? Well lets see how we […]

Create and manage Storage pools in Server 2012


So now that we have a centralized server to control all the machines and servers in our domain and outside, there will be times when you as a server administrator will have to troubleshoot problems. You can’t go to places to solve simple problems. If it’s a small company, you […]

Administer other Servers via Remote Desktop



We have been working on one virtual server from the start. In small companies, you may get one server and you’ll have to use it as a DHCP, DNS, Active Directory and an IIS server. But in industries, each server has only one function. You’ll have one server for DHCP, […]

Add new servers in Server 2012


Data is the most important thing today. With the increasing amount of data everyday, as a System Administrator you should to scale up your hard disks so store everyone’s data in it.  There will be time when you’ll have to add new hard disks in your server to meet the new […]

How to add new hard disks in Server 2012


If you don’t know about Disk Space Quota please refer this post. Sometimes configuring a disk space Quota on your Server is not enough. This is because if you even set a hard limit of 2 GB per user, some might fill the 1 GB of shared space with their […]

File Screening Management in Server 2012


To understand VLAN, we first need to know what is a Network Switch. A network switch is a device that connects all the computers in a network and looks something like this: To know more about Switches, refer this post. In any environment the TCP/IP protocols are used to configure […]

What is VLAN?