Coputer topics
Packet capture is one of the most fundamental and powerful ways to do network analysis. If you think that tcpdump has been made obsolete by GUI tools like Wireshark, think again. Wireshark is a great application; it’s just not the right tool for the job in every situation. tcpdump uses a “one-off-command” approach that lends →
Commodore 64 was the most successful 8-bit micro ever according to The Commodore 64 is 30 article. Commodore 64 made its public debut at the 1982 Consumer Electronics Show (CES), though it wouldn’t go into production until later in the year before going on sale in the US market in August and few months later →
There are many cases when need to emulate various networking conditions and scenarios. Usually the most practical way to test the application on different networking conditions is to use some kind of WAN emulator that lets you control the various networking characteristics. WANem is a free WAN emulator suitable for this task. WANem allows the →
Here is my collection of security trends for 2012 from different sources: Windows XP will be the biggest security threat in 2012 according to Sean Sullivan, security advisor at F-Secure: “People seem to be adding new systems without necessarily abandoning their old XP machines, which is great news for online criminals, as XP continues to →
At year 2011 we saw the passing of many of the electronics and computer industry’s greatest engineers and inventors. Jim Williams, who was considered one of the best analog circuit designers in the world, suffered a stroke and passed away on June 12, 2011. An Analog Life: Remembering Jim Williams article gives you information who →
SCADA systems are used to monitor and control critical installations in oil and gas refineries, water and power distribution plants, manufacturing plants and other industrial facilities. There has been a lot of discussion about malware and security in industrial automation systems after Stuxnet. Widely viewed as the most complex piece of computer malware ever created, →
Some time a go I saw an interesting project called andLinux. andLinux is a complete Ubuntu Linux system running seamlessly in Windows 2000 based systems (2000, XP, 2003, Vista, 7; 32-bit versions only). The idea is that it runs almost all Linux applications without modification and you see the applications on your Windows screen like →
How heavy is the internet? Information on the internet such as e-mails, documents, video clips, Web pages, are represented in binary digits, 1s and 0s. How Much Does The Internet Weigh video gives you some idea of the wight of the information on the Internet. →
The twice-a-year list of the Top 500 supercomputers documents the most powerful systems on the planet. But what do those supercomputers look like? The Top 10 Supercomputers, Illustrated, Nov. 2011 article takes a look at the top finishers in the latest Top 500 list. Many of them are striking not just for their processing power, →
Burton rolls out True 3D laser plasma display article tells that Engineers from Burton Inc. in Japan have rolled out a “True 3D” display. This new system, which can function in air or under water, needs no screen of any sort, and the effect is quite impressive. This display is like Star Wars 3D holo →