Archive for December, 2008

We recently set out to find hardware that is compatible, out of the box, with Ubuntu’s latest Long Term Support (LTS) release 8.04 also known as Hardy Heron. This proves to be a bit more challenging than you might think since many of the motherboards sold today hit the market after Hardy, as geeks like to call it, was released. Most motherboard and their respective component manufacturers are on a fairly rapid release schedule these days. So the challenge is to find a motherboard built from components that are at least a couple of months older than the release of the the Linux operating system you wish to run.

One of the standouts that we found was the Asus M2N68-VM socket AM2+ based motherboard. It has integrated an nVidia 7050 video chip with analog VGA and digital DVI based connectors. The video chip is supported out of the box on Hardy both with the open source nv driver and nVidia’s proprietary but functional nvidia driver. Nvidia supports X-Video Motion Compensation (XvMC) on hardware up through the 7000 series so this chip should be supported with possible MPEG 2 assisted decoding. This has not been tested yet though. Coupled with the built in HDMI connector it seems like it would be part of an ideal solution for a low cost MythTV / Mythbuntu machine especially when coupled with one of AMD’s low wattage processors.

The board uses an nVidia 630a chipset which seems to be well supported so other boards based on this chipset may be supported as well.

Every component that has been tested including Cool N Quiet and CPU frequency scaling work out of the box. If you have any questions feel free to ask them in the comments section.

-Kirt

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A couple questions a business should seriously consider when building their Internet presence is how important is stability, is there room for growth and what is their purpose on the net. If your business is strictly looking at a brochure type website then a shared hosting account at a reliable provider is the correct answer. If you are only displaying a few informational pages so people can learn a little about you and how to contact you then shared hosting is the way to go.

Now if you are proactive at your growth planning and are looking at harnessing the power of the Internet then you really need to consider a dedicated or colocated server. Let’s start by looking at the difference between the two.

Collocated Server: If you have an IT person or staff then this option is appealing. You store(colocate) your server at the provider’s datacenter. It i’s your hardware, your software, and your data. The provider gives you rack space, power and typically IP addresses. They provide the essentials to power and “see” your server on the Net. You own and manage the rest. This allows the most freedom to do pretty much as you wish with your server and the data on that server.

That freedom has a trade off. You and you alone will be responsible in the event of a hardware, software and data failure. If anything goes wrong other than your Internet feed you will be solely responsible. This is the main reason to only consider this option if your an experienced IT professional or are technically savvy enough to stomach that risk.

Dedicated Server: A dedicated server is like a hosting account, only you have complete access to the server and the freedom to install whatever applications and data you need. The benefit over a shared hosting account is you are not competing with all the other sites on the server for hardware resources. It only takes one poorly coded site or a high traffic site to impact the performance of the other sites on the server. Including yours. A dedicated server provides you a much higher degree of stability and reliability over the shared server.

If it’s important that your site be accessible as well as functional at all times then a dedicated server should be considered. The hosting company will provide the hardware and in the event of a hardware failure will replace the failed component or server. The hardware liability is on the shoulders of the provider, not yours. Granted, hardware failures are not common but who wants to scramble around at 2AM looking for a spare stick of RAM or a hard drive that matches the one in your server. That kind of issue is covered in your monthly fee.

The downside is that you do not own the hardware and if you decide to move to a different provider you will have to migrate your data to the new server vs. simply moving the server. This could potentially be a serious time consuming undertaking.

The advantage to both options over shared hosting is numerous. Your data is housed in a secure location with redundant power with failover capabilities. Your server is in a location monitored and run by specialists in that field. Your accountants son’s best friend that knows how to run a game server is not running the show. You free up resources at your location, home or business, that otherwise would be taken by the equipment necessary to run a server.

The provider is responsible for the security of the location. Is your home or business monitored by security camera’s? Is there dual factor authentication to get into your location? In addition to security there are natural disasters to consider. A provider will should have generator backup, gas fire suppression and the necessary equipment and procedures in place to ensure your server is accessible. Your provider will have dual internet backbones at the very least. This allows your service to be uninterrupted in the event one of it’s internet providers goes down.

What kind of things require a dedicated or collocated server? That’s really another article but in addition to your website you could house applications for access from anywhere in the world, your B2B portal, your own email server, and more. Your only limited by your imagination. The Internet is not just for web sites, remember that. -Bill

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Reset user password on a Mac

So you’ve inherited your cousins best friends uncle’s Mac running OS 10.x and above. Ok, maybe not, but for some reason you’ve forgotten your login password to your Mac. You can use the DVD/CD it came with but if you don’t have it try this.

Restart your machine while holding down the Command Key (or “Apple Key”) and the “S” key. This will start your Mac up in “Single User Mode.” You should be at the command line when all is said and done. Now type the following.

  • #sh /etc/rc
  • #passwd yourusername
  • #reboot

Another method we’ve found on the net is the following.

  1. Boot into single user mode (press Command-S at power on)
  2. Type fsck -fy
  3. Type mount -uw /
  4. Type launchctl load /System/Library/LaunchDaemons/com.apple.DirectoryServices.plist
  5. Type dscl . -passwd /Users/username password, replacing username with the targeted user and password with the desired password.
  6. Reboot

Good luck!

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Welcome to the Interlink Advantage technological blog!

Here you will find posts relating to our technological experiences. Whether it’s business or personal we plan to discuss all things technological from the serious “solve your business network problem” to the “Hey! Now this home theatre setup is cool!” technologies.

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