- TechRepublic Author Biography
Technical Director of TechRepublic. Former IT consultant specializing inServers, Microsoft, Cisco, Switches, Routers, Firewalls, IDS, VPN, Wireless LAN, Security, and IT infrastructure and architecture. The permanent link to my blog is here.- more about George Ou »
TechRepublic Resources
- Gallery: $60 router + DD-WRT = high-end wireless router
- DD-WRT can turn this cheap device into an enterprise-class product with features normally found in devices costing hundreds of dollars more. by George Ou
- Tags: Wireless Router, Router, Wireless, Routers & Switches, Network Technology, Networking, George Ou, screenshots, Device, DD-WRT wireless router
- Image galleries 2008-02-22
- A comparison of quad-core server CPUs
- For anyone looking to buy a workstation or server CPU, quad-core CPUs have become mainstream, and it's important to know what you're getting for your money. George Ou has compiled a chart with general-purpose computing performance using the SPEC CPU database with the highest scores as of December 28, 2007.This...
- Tags: Quad-core, Server, CPU, George Ou, Processors, Semiconductors, Hardware, Components
- Download resources 2008-01-17
- Photos: SC07 supercomputing
- IBM, Intel Sun Microsystems, and Super Micro have their wares on display at the SC07 supercomputing conference. by George Ou
- Tags: Photograph, Supercomputing, George Ou, tech action, SC07 supercomputing Intel IBM, TechRepublic Inc.
- Image galleries 2007-11-13
- Learn to do a wireless LAN site survey with this tutorial
- Learn how to perform a wireless site survey for optimum wireless LAN performance using some free and commercial tools. by George Ou
- Tags: screenshots, TechRepublic Inc., WLAN, Survey, Wireless, George Ou
- Image galleries 2007-09-17
- A secure wireless LAN hotspot for anonymous users
- As ubiquitous and convenient as the wireless LAN hotspot is, it's probably the single most dangerous technology available to the mobile computer user. George Ou explains how you can set up a secure wireless LAN hotspot for an anonymous user using a single generic and common username and password that...
- Tags: HotSpot, WLAN, George Ou, Wireless, Wireless LANs, LANs, Wi-Fi, Networking
- Download resources 2007-07-19
- How to fully degunk a PC to get rid of crapware
- Crapware slows your PC to a crawl, often causes instability and crashes, eats up valuable screen real estate, and may even border on malware. Yet it inevitably finds its way onto your computer -- and may even come WITH your computer when you buy it. George Ou explains how to...
- Tags: PC, Computer, George Ou, Crapware, Productivity, Desktops, Hardware
- Download resources 2007-06-22
- RAID storage explained
- Storage RAIDs are primarily designed to improve fault tolerance, offer better performance, and allow easier storage management. They present multiple hard drives as a single storage volume, which simplifies storage management. George Ou explains what you need to know about the basic types of RAID and their benefits and tradeoffs.This...
- Tags: George Ou, Storage, RAID, Hardware
- Download resources 2007-06-18
- An introduction to enterprise data storage
- Storage often doesn't get the attention it deserves in system architecture, which can turn out to be a costly oversight. George Ou provides this overview to get you up to speed on the various storage subsystems and the devices and technologies that support them. This download is also available...
- Tags: George Ou, Storage, Hardware
- Download resources 2007-04-16
- REG file to protect against zero-day RPC flaw in Microsoft DNS
- According to David Maynor of Erratasec, a zero-day exploit against Microsoft DNS server is being seen in the wild. This affects the most up-to-date Windows Server 2000, 2003, and 2003 R2 for all service packs. George Ou discusses the details of the exploit and recommended firewalling strategy in this blog...
- Tags: Registry, DNS, Blog, Microsoft Corp., Flaw, George Ou, Domain Names, RPC, Blogging, Networking, Servers, Internet, Hardware
- Download resources 2007-04-13
- Wireless LAN Overview
- This article offers an overview of wireless LANs, from simple home setups, to wireless bridging options, to medium- and large-scale enterprise wireless LANs. by George Ou
- Tags: screenshots, LAN, WLAN, Wireless, George Ou
- Image galleries 2007-07-09
- Meet VoIP bandwidth requirements without crippling your network performance
- Failure to account for VoIP bandwidth requirements will severely limit the reliability of a VoIP system and place a huge burden on your WAN infrastructure. George Ou explains how to deal with the various audio compression algorithms and WAN topologies so that you can calculate your bandwidth needs. Once you've...
- Tags: Network, Bandwidth Requirement, George Ou, Telephony, WANs, VOIP, Telecommunications, Network Technology, Networking
- Download resources 2007-02-14
- Where is AMD's Intel-killer Barcelona?
- Back in May when speculation on AMD's "Barcelona" quad-core CPU was still running rampant, I wrote that "AMD Barcelona can potentially smash Intel" if high clock speeds at sufficient yields could be produced in a timely manner. AMD needed to hit 2.5 GHz to reclaim the performance crown and release...
- Tags: Servers, Processors, Intel, Hardware, Fun Stuff, Energy efficiency, Desktop, Consumer electronics, AMD
- Blog posts 2007-07-03
- Palm Foley with Linux threatens the Laptop
- At the Digital Experience in New York this week, Palm demonstrated the simplicity of their Foley 2 pound sub-notebook device that can potentially replace a full blown laptop for mobile workers. I was initially very skeptical of such a device until I saw it turn on and off instantly with...
- Tags: Mobile/Wireless, Hardware, News, Networking
- Blog posts 2007-07-02
- Build a fast, reliable, and affordable switch infrastructure for your datacenter
- The traditional approach to setting up a high-speed network switch architecture is expensive and time-consuming--and needlessly complex. George Ou explains where the conventional model falls short and offers better alternatives. This download includes a detailed look at the relative merits of three architectures, along with a Visio diagram illustrating...
- Tags: Data Center, Networking Switch, George Ou, Routers & Switches, Data Centers, Networking, Storage, Hardware, Data Management
- Download resources 2007-01-10
- Linus contradicts OpenBSD founder on Intel TLB issue
- OpenBSD founder Theo de Raadt has been making a lot of noise over a change in Intel's current generation Core 2 microprocessor goes as far to claim that this will lead to serious security flaws. Linus Torvalds by contrast has given a completely opposite view of the situation while...
- Tags: Servers, Security, Processors, News, Microsoft, Linux, Intel, Hardware, Desktop, AMD
- Blog posts 2007-06-29
- JetBlue cancellations strands thousands in New York
- Trying to fly out of New York these last few days has been a hellish experience. JetBlue was hit especially hard and they ended up cancelling dozens of flights on Wednesday and Thursday and I was one of the unfortunate flyers that were stuck in New York after covering...
- Tags: News
- Blog posts 2007-06-29
- Cool gizmos at the Digital Experience in New York
- Consumer Electronics and Computer vendors showed off some of their latest gear at the Digital Experience in New York last night in Manhattan and our ZDNet crew was there to cover the event. David Berlind has already posted some video footage of the new Helio and other interesting things from...
- Tags: News, Networking, Infrastructure, Hardware, Desktop, Consumer electronics
- Blog posts 2007-06-27
- 802.11n Draft 2.0 gear still a neighbor killer
- As we get to the final draft stages of the 802.11n standard, it was thought that the neighbor interference issues have been put to rest by the Draft 2.0. The new standard supposedly has a strict ban on dual-channel operation whenever any legacy devices are operating. The product is suppose to back off from...
- Tags: Consumer electronics, Hardware, Intel, Mobile/Wireless, Networking, News, Technology policy
- Blog posts 2007-06-26
- Intel Ct leaps ahead in multi-threaded development
- At Intel research day last week, one of the most impressive things I've seen to date in the parallel programming arena leapt out on center stage. I blogged earlier this month about "The death of single-threaded development" due to the systemic shift microprocessor progression. The OpenMP code took 172 lines...
- Tags: Desktop, Development, Processors, Servers, Hardware, Intel
- Blog posts 2007-06-25
- Silicon Valley goes dark again
- Here in California, we're famous for our Tech Industry and our rolling blackouts. In an area that's supposedly one of the technology leaders of the world, we can't seem to get reliable electricity. It isn't just the Government's fault, a large portion of citizens in this state hate the production...
- Tags: Manufacturing, George Ou, outage
- Blog posts 2007-06-22
