Category Archives: Software

Windows Vista SP1 Pre-Slipstreamed DVD Images Available

Posted on by NeoSmart Technologies
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Following the recent RTM of Microsoft’s long-awaited Service Pack 1 for Windows Vista, Microsoft has created (for limited release) pre-slipstreamed installation media intended for the distribution of PCs with newly-installed copies of Windows Vista.

With Windows Vista, the process of slipstreaming a service pack is no longer as simple as it once was as a result of the new WinPE/WIM based installation procedure. Since the installation media is packaged as a filesystem image, it’s no longer as trivial of a matter to unpack, update, and repack the setup files and ensure they’d still work. With Windows Vista, the only way to create a slipstreamed installation DVD is to install Vista RTM, apply the service pack, then create an image from the newly-installed OS.

This new procedure has multiple drawbacks, including the fact that it can lead to huge installation media sizes, unnecessary bloat, and has been known to create compatibility issues – unless, of course, it’s Microsoft that’s making the image in the first place.

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How-To: Revert the Mac OS X 10.5 Opaque Menu Bar Hack

Posted on by Kristan Kenney
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If you’ve been using Mac OS X Leopard 10.5 or 10.5.1 and had previously used the Terminal to make your menu bar opaque, you’re going to notice that something is slightly out-of-order when you upgrade to 10.5.2. Basically, what happens, is the old menu bar opacity hack still works in 10.5.2, but it looks slightly odd; and seeing as the update has the functionality built right in, you might as well just revert the hack.

Reverting the hack is simple. First of all, open a Terminal (/Applications/Utilities/Terminal.app) and in the console type the following commands:

sudo defaults delete /System/Library/LaunchDaemons/com.apple.WindowServer 'EnvironmentVariables'

sudo plutil -convert xml1 /System/Library/LaunchDaemons/com.apple.WindowServer.plist

sudo chmod 644 /System/Library/LaunchDaemons/com.apple.WindowServer.plist

This will delete the hack parameter, convert the com.apple.WindowServer.plist file back to a readable XML format, and then reset the permissions on the file.

Once you’ve reverted the hack, restart the computer, and then you can go ahead and upgrade to 10.5.2. If you’re already running 10.5.2, you can change the menu bar opacity option in System Preferences > Desktop and Screen Saver (the nice thing about this is that it is on-the-fly, no need to restart any more).

Mac OS X 10.5.2 Released, Biggest Update in Apple History

Posted on by NeoSmart Technologies
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Following right on the heels of Windows Vista SP1 RTM, Apple has seemingly one-upped Microsoft by releasing OS X 10.5.2 – the biggest update to OS X ever – effective immediately and available to all.

The release documentation for the OS X 10.5.2 build can be found at the Apple site, and it contains all the gory details about this whopping update. It’s 343 MiB (for comparison, Vista SP1 x86/x64 RTM are 434/726 MiB, but they contain plenty more changes) and contains a number of important fixes.

At the moment, you can download the update via OS X’s “Software Update” feature or directly from Apple’s OS X downloads site here. Updates are also available for OS X Server, the direct download link can be found here (382 MiB).

10.5.2 ships with several important security updates that were not previously disclosed/patched as well – if you don’t intend on updating to 10.5.2 anytime soon, you should definitely grab the standalone security update found here.

Weighted Round-Robin DNS Solutions?

Posted on by NeoSmart Technologies
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The round-robin algorithm is often used as a simple-yet-effective method of distributing requests to a single-point-of-entry to multiple servers in the background. It’s used by DNS servers, peer-to-peer networks, and many other multiple-node clusters/networks.

In a nutshell, round-robin algorithms pair an incoming request to a specific machine by cycling (or, more specifically, circling) through a list of servers capable of handling the request. It’s a common solution to many network load balancing needs, even though it does not result in a perfectly-balanced load distribution, strictly speaking. In the non-ideal world we our servers live in, there are many reasons why the stock round-robin algorithm just isn’t good enough when it comes to properly balancing server loads.

The first and most important thing to keep in mind is that not all servers are created equal. One should be able to take advantage of all available resources, and it’s impossible to guarantee that all the servers available to process incoming requests are capable of dealing with the same load quantities, take as long to carry out each command, and deal with larger/longer queues as elegantly. Nor can all requests be treated the same, either. Some take longer to process than others, involve more work, and are generally more-demanding than the rest – just as others are finished relatively fast and with far-fewer resources.

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Ubuntu’s Buggy Support for non-ext3fs Partitions

Posted on by NeoSmart Technologies
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For the past several months, our support forums have been plagued on and off with a number of weird and inexplicable failed attempts at installing Ubuntu by many users. We’ve finally pinned down the cause of the problem, and it isn’t pretty. Ubuntu (ever since version 5.04 Hoary Hedgehog) will not install properly on a filesystem other than ext2fs or ext3fs.

Unfortunately if you attempt to install Ubuntu with the “/” partition formatted as ReiserFS, JFS, XFS or any other non-standard filesystem, Ubuntu installation will begin like normal and tick merrily along its way until it attempts to install GRUB. At that point, you’ll get a fairly inexplicable and non-verbose “fatal error” message about “grub-install()” failing.

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How to Repair the Windows Vista Bootloader

Posted on by NeoSmart Technologies
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There’s a section of the EasyBCD documentation/user manual/wiki that contains more than just information on how to use the program. If you’ve corrupted your bootloader, run into one or more bootmgr-related errors, installed Windows XP or Linux after installing Vista, or otherwise managed to fry, crack, melt, or break the Vista bootloader, then here’s how you fix it.

We’ve compiled information from over twos-years’ worth of experience with fixing broken bootloaders into a single guide, broken up into subsections for varying levels of damage to the bootloader. If you can get into Windows, we advise that you download & install EasyBCD, then follow the instructions in this section of the guide to repair the Vista bootloader from within Windows.

If your bootloader is so damaged that you cannot get into a Windows operating system, then get your Windows Vista DVD out and boot from it. If you don’t have a Windows Vista DVD, grab a copy of our Windows Vista Recovery DVD instead, stick it in your CD-ROM drive, and prepare to boot from it.

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Forget Mashable; It’s the Chinese You Should Worry About!

Posted on by NeoSmart Technologies
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Several days ago, blogger Louis Gray lashed-out at Mashable‘s considerable disregard for proper citing/linking back to the original source on certain stories. Gray’s post spread pretty fast across the blogosphere, with support coming in from all corners of the web. As a result, Mashable updated several stories with proper links and acknowledgement to the original sources.

But the truth is, what Mashable does is nothing, nothing in comparison to what goes on in the non-English territories on the web. A couple of days ago, we published an article along with a download link to a Windows Vista Recovery DVD… Within 24 hours, we’d gotten first taste of the Chinese Web. For some odd reason, our story download link to the 120MB ISO image spread like wild-fire in the Chinese corners of the internet.

To put things in perspective, NeoSmart Technologies was under load the equivalent of 15 simultaneous Slashdot effects. Impressive, right?

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Hotlinking of Vista Recovery Disc Disabled

Posted on by NeoSmart Technologies
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The Windows Vista Recovery Disc ISO image that we published a couple of days ago has been a hugely-popular success – thank you all for your interest and your links. Unfortunately, we’ve had a lot of people (*cough* Chinese download sites *cough*) hotlinking the image directly, and as a result we’ve been forced to take certain measures.

The Windows Vista Recovery Disc is a 120 MiB download, and our bandwidth has jumped quite drastically since making it publicly available. Effective immediately, all hotlinked requests to the ISO image are being redirected to the download page, we ask you (quite humbly) to refrain from linking directly to the image file.

We haven’t done anything evil like disabling the usage of download managers or any other such nefarious actions that would bring the wrath of our beloved readers upon us though; so no worries :)

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Why Tech Communities are Falling Through

Posted on by Kristan Kenney
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Note: This is a personal opinion piece. Feel free to take this with several grains of salt. Hell, take the whole cube while you’re at it.

I’ve been doing some thinking, and after having numerous conversations with some individuals who will remain un-named, I’ve come to the conclusion that some people are too wrapped-up around the computer system that they use, to the point where they could very well border-line on “fanboy,” and I feel that this is affecting the credibility of the tech community as a whole.

Example:

“John,” a PHP developer, switches his personal home computer from Windows to Linux, and he enjoys using Linux because of the advanced functionality that it provides to him.

Now, “Jim,” a long-time Windows user and Microsoft supporter, who has conversed with John for several years, criticizes John for his decision, stating that he is brainless and dim-witted because Linux is open-source, and that Windows is the only platform that matters.

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Don’t Believe The Lies: PHP Isn’t Thread-Safe Yet

Posted on by NeoSmart Technologies
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If you took everything you heard for granted, you’d have been lead to believe that the official PHP distributions (from php.net) have been thread-safe since version 5.2.0.

That’s not true. Don’t fall for it. Don’t attempt to use PHP in a multi-threaded environment (mpm_worker on Apache, ISAPI on IIS, etc.), because PHP thread-safety is a myth.. nothing more than a bunch of lies, if you will.

If you look at the PHP download page, you’ll see that the pre-built binaries (in this case, Windows) are split into two: thread-safe and non-thread-safe:

Thread-Safety

The problem is, no matter which you choose, PHP isn’t thread safe. You’ll still get the same, old, dreaded “PHP has encountered an access violation at memory_address” error.

It’s not a question of server configuration so much as it is one of PHP writing bad code and pretending that’s not the case. PHP isn’t multi-threading ready and most everyone knows it… but it seems they still feel the need to pass it off as if it were, never mind the complaints and bug reports that come.

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