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ngNOG 2013 Workshop and Meetings

2013-11-03 00:00
2013-11-08 23:59

The 8th edition of the annual Nigerian Network Operators' Group (ngNOG) Workshop and Meetings will be held this year at the University of Benin (UniBen) from the 3rd - 9th November 2013.

The ancient city of Benin which is known for it's traditions and timeless artworks is the capital of Edo State in southern Nigeria. It is a city approximately 25 miles north of the Benin River and is situated 200 miles by road east of Lagos.

Participants will be accommodated at the Precious Palm Royal Hotel

Thank you as we look forward to your participation at the 8th edition of the ngNOG Workshop and Meetings.

Learn vocabulary from the bottom up with Word games

Do you always run behind your kid to make him learn few new words every day? Does your kid get easily bored of studies? Be tension free and motivate him to play word games that will surely increase his vocabulary while having fun.

Today, every parent wants their child to get skills and knowledge at an early age. But as you know, kids don’t feel pleased with studies and learning at such a small age. The only way to make them learn things is wrapping them in the fun wrapper of entertainment and play because kids feel more encouraged to do learning while having fun. Secondly, kids have the tendency to repeat those activities that offers them joy and frolic. Hence, kids get chance of practicing the newly acquired skills and knowledge. Word games are the perfect combination of education and entertainment, loved by every child.

Practice makes perfect goes just the best for Word Games. It is an amazing way to learn new words as each game is based on unique set of skills related to enhancement of vocabulary. With so many games, if your kid gets bored of one game, toggling to another game can recuperate the learning progression in him.  

Various online versions of games are available over the Internet and over these sites. It includes: shoot bubble, garfield ping pong, classic solitaire, juegos de pokemon, Pacman games, בוב ספוג חץ וקשת, סודוקו איך משחקים, ben 10 ultimate alien games, Horror games, Scaryclip Games, free parking games Playing with words is a fun and gratifying method to learn new words while strengthening ones they previously know.  These games help in cementing the new words in their brains.  They learn the whole series of alphabets, sequence and formation of new words. To motivate your children to get knowledge, entice them to play word games online.

Much ado about a broadcast

I write this to remind us admins of the little things that sometimes cause us big headaches and the importance of monitoring which is very easy to neglect.

While I was onsite last month visiting a BWC member institution, the network admin happened to log into his router and saw one of his local interfaces receiving up to 40Mbps traffic. This is a network that rarely gets 10Mbps on that interface. On closer inspection using the Torch feature of the Mikrotik RouterOS, we found that a handful of local computers were sending unusual broadcast traffic painted to look like netbios and DHCP. As first-aid, we filtered the offensive ports and the impact on the router subsided... only to resurrect on different ports a few minutes later.

Although the attacking entities could change ports, they continued to originate as broadcast traffic so that was one common denominator. You can't just block all broadcast traffic, can you? If you do, true DHCP, Netbios and all other traffic that relies on broadcast announcements wouldn't work. With managed switches however, you can limit the percentage of broadcast traffic that each port can send.

As a better fix, we added broadcast rate limits on all the switches (Cisco and HP) within the campus that allowed us to do so. Yes, one more reason why you should have managed switches. The good news now is that for those institutions that consider themselves financially challenged, you can get Managed 5-port Gigabit switches for less than N20,000. You can be creative and use these on building-to-building links within your network so you can easily isolate/contain segments with anomalies. The ones running Mikrotik SwOS include broadcast-limiting as well as a number of other high end features.

Traffic spewing worms are very common with pirated Windows systems that do not have up to date patches. For those who may not understand the impact of a few unpatched MS Windows computers with worms, consider this:
You have a 24-port switch each with a 100Mbps port. Computers on a number of ports start spewing out traffic at the speed of their network cards. Because it is a directed broadcast, they are sending say 10Mbps to every other computer in the same subnet. All of a sudden, the switch finds itself handling 10Mbps times the number of computers in the subnet. If the switch does not die while processing this spurious traffic, it passes it on to the gateway which presumably has at least one leg in the problematic subnet. If your router is not well configured, it wastes CPU cycles handling the rubbish. I also think routing your networks will help reduce the impacts of directed broadcasts though some people say the overhead of multiple routers is a disadvantage.

In the final analysis, monitoring is good and long term monitoring is even better. Without traffic utilization graphs, nobody would have noticed that Internet bandwidth was not being utilized to the maximum. Without interface monitoring tools, we wouldn't have known which interface to investigate further. Without network segmentation, the building in question wouldn't have been located quickly.

However, without looking into your network often enough, you might not be able to tell the difference between the "normal" and the "abnormal". A step further would be to collect long term data from netflow or traffic-flow capable devices for better visibility into what's going on within your network. Think nfsen, cacti and company. Free and easy to install (sometimes even as virtual machine appliances for the busy/lazy/smart)

Intelligent Building..how ready are you?

Umar Uba
December 2012.
Intelligent Building – How ready are you?
The objective in intelligent building is to maximize energy efficiency and to enhance work performance by combining environmental system technologies.
The intelligent building takes energy management system a step further. The purpose is not just to control energy consumption but also to operate the other systems in the building in the most efficient way.
Imagine when a home tells you the garage door is not shut. When a house tells you the light in the baby’s room is left on. Or when the house shuts the windows and power up the air conditioners because it senses you inside and also senses the temperature indoor will make sweat.
The list goes on and on. How ready are you to invest in such a structure?
Conveniences are known to dominate the automobiles and aircraft industry only. These are temporary accommodation for human comfort. Imagine setting out on a journey of about three hours in a very comfortable vehicle. In reaching your destination leaving the keyless car entry to enter your apartment you have to fiddle with the key to unlock the entrance. Fiddling with a switch to lit the room and a fan regulator to provide air and then switched on the air conditioner. How long will it take you to settle in? All the comfort you had enjoyed enroute will be wasted before you pick up again.
What does a building need to be intelligent? Several factors are required to enhance your building to make it intelligent these include:
Power back up system. Not only having a stand-by generator but having a fully back-up of average requirement to last through the rainy day. This is achieved by the use of inverter and battery banks to store energy.
Embedded solar installation. This is done to be part of the structure either of roof, windows and walls. The solar panels are mounted to fit into the structure.
Structured Cabling. This is considered during the initial design embedded during the construction to contain features such as; Network system, Detectors and Fire alarm systems.
The need to have a building intelligently cannot be over emphasized. The security system having couples of camera and monitors with switches to activate alarm in the case of break in. The sense to monitor fire/smoke in a volatile area. Economic saving in energy consumption as the system shut the use of it as you exit, thus saving utility bills.

Power Rangers games: Are you aware of the tricks to play these games

There are so many ways with which Playing Power Rangers Games can be fun and exciting. When you play these games, you get to harness the capabilities to save, fair playing and fair play.  The epic fight between Dr. Mercer and Power Rangers are very appealing. If you want to switch between the rangers then it can be done conveniently, all you need to press Ctrl key. Make sure that these changes are done during the crucial points of the game, this way you will be able to save the energy of your rangers. If you want the rangers to perform better than it is advisable to switch the rangers.

Online gaming is one of the best available entertainments on the internet. The best part is that you also get to make money by playing these games. It is really a very simple, easy and a smart way to make money and it also keeps your mind active plus it is great fun to play casino games online. You can reach the online casinos from almost anywhere in the world with the kind of facilities that are available these days. You just need an internet connection to reach and play these games.

Online poker is really one of the best things that ever happened on the internet. You can find this game in the online casinos and also in some of the free sites which do not charge you anything to play poker online. But these sites also does not give any chance to make some money on the web. Whereas in the online casinos, you do get an opportunity to make money by playing online poker.

Take your time and choose your ranger intelligently. Initially, in the beginning of every level, you will have to face the guards of Dr. Mercer. You can put into use your different powers in order to get through the guards. If you have plans to use the powers of the ranger, then the start is very simple, you have to just press X. You have to ensure that you limit the ranger’s powers so that it can be used efficiently in different levels. If you really want to excel in this game then you need to be vigilant about using the powers.

The most commonly used ranger is Ethan. This ranger is capable of moving huge obstacles easily. Conner is also having amazing powers, which is capable of moving heavy objects effortlessly. While playing, you will come across situations where you have to remove obstacles from your way, here you can uses these rangers.

It can be concluded that Power Ranger Games have a huge fan following and it is only going to increase in the near future.
A player can choose variety of games in this list such as

It can be concluded that we all like to have fun while playing our favorite games and Power Rangers games appropriately offers the same feeling.


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The INEC's DDC Machines - their limited use in the 2011 election

Umar uba
Kashim ibrahim library
Ahmadu Bello University
May 2011
The INEC’S DDC Machines – their limited use in the 2011election.
Being under the shadow of networks for a while now , I have come to terms with the progressively changing technology of computers and their networks.
The possibility of having a perfect election in the country for the 2011 was clearly the vision of INEC. This, of course was at their finger tips with these machines in use.
The decision of the government to acquire this technology and put it to use was to completely eliminate the fallacies of elections at all levels.
Computers and networks are required to handle these operations with the trained personnel having them on their laps. The operations solely rely on waves and power.
Firstly, the technology of the computer is beyond the limit of INEC’s operations to exhaust. These computers can even do more. It all depends on what we want them to do.
With what the government concur, to play with the dummies, the finger prints, image capture and data which are the key elements required during the registrations all powers were within the finger tips of the operators. These data once captured remain within the system for its own consumption only unless we use the waves and signals to extract them out either in print or stored in magnetic form.
Secondly, the network aspect of the technology is the medium that shares these resources among the dummies and other locations. It goes beyond the eyes, it is either in waves, light or metal (copper) it’s the wedding ring of computers.

Finger prints which have a probability of one in a million being the same is a major item field required for specicificity. In Nigeria, we have an average of 120- people having the same finger prints. Then comes the picture, this is prone to duplication with twins, kins. The probability of having a duplicate is high. Lastly, could the data/information such as name, age, telephone no etc all be wrong or untraceable?

The computers and other networks equipment are the hard wares that are physically visible to perform these jobs. To use this equipment, software is required to communicate between them. This side of the ddc machines is as important as the other. As the banks have succeeded in centralizing their operations with added limitations so also these machines could be made to follow suit. The software must have the ability to sort the data with accuracy how ever much it is to create very useful information in a millisecond. This ability of the software is far beyond what human calculation could handle.

The INEC registration machines must have come with this software and that was why the registration was a success. Unfortunately the software failed to attend to the issues of multiple registrations and duplicate data entry. This should be the character of each machine. It was as a result of this failure we had people registering in multiple places. These multiple registrations, for some were not deliberate but as result of a system failure during the initial registration. A case so many was when patrons registered and the personnel came back the next day and claimed the system has crashed therefore people must re register. Such cases came out with multiple registrations as the system failed to sort out the duplications.

What was expected from these machines was a similar enquiry and response we do get when registering the yahoomail or gmail address. In such instance the system must be connected to the inter-net. As we register it sifts through it if such a name or data had ever been entered. It then came out with an option. This was because the data provided by us was once entered by someone else. Therefore we have a different identity. The ddc machines could have done more owing to inclusion of finger-print and image.
Another failure of the INEC machines is the lack of wide Area networks for the wards and local government polls, metropolitan Area network for the states polls or the internet for the online one time national polls.

How best to use the ddc machines during elections:
(With everything being equal) having a good working machine with a well programmed software and an excellent network the hope of having a perfect election is at our finger-tips. If all the above conditions are satisfied, and the registration was conducted successfully with all data edited and sorted out all we will require is the fingertips recognition inter face and touch screen to make a perfect election.
Once you place your finger it simply recognizes you and displays a screen of ballot boxes. You then place the other finger tip and select the party of choice. As you release the first finger the screen disappears and waits for the next person. This operation takes barely two minutes.
The authenticity of this is that it can’t be manipulated and two people can’t vote at a time and one person cannot vote twice.
If all these are done, the next and subsequent elections in the country by a determined INEC to have a free, fair, credible and honest election will be hailed not only in Nigeria but world wide for a well handled election.

Umar Uba 2011

Project Management Training and Certification in PRINCE2 (Corpers/Students)

Get an Executive Masters in Project Management using the PRINCE2 Methodology.
Project People Ltd is organizing an Executive Masters training which worths N120,000 but for [b]Corp Members and Students(undergraduates) your Tuition Fee is FREE. Pay for your Course ware, Examination fee and Certificates which costs N20,000 Training Starts 9am-4pm daily from 23rd, 24th and 30th of October. Pick up your registration form for N500 @
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