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I must share pictures of my new build 
(Click the images for full-size)
Please excuse the mess…I *am* a geek ya know!
Written by jaysonrowe on February 9th, 2009 with no comments.
Read more articles on otherSoftware and Computing.
My primary motive for choosing AMD as a platform for my latest system was AMD’s superb Virtualization support, specifically AMD-V and Nested Paging. I’m not going to get into the nuts and bolts of AMD-V (or Intel’s VT-x), but here is an excellent article if you would like to read up on the specs, and the differences between AMD and Intel’s Hardware Virtualization support.
Another benefit of AMD is the fact that the memory controller is part of the CPU, effectively ruling out a Front Side Bus as a possible performance bottleneck. Intel’s latest Core i7 chips also have an integrated memory controller, however the price vs. performance ratio with Intel, especially taking into account the price of X58 chipset-based motherboards, and DDR3 RAM was prohibitive for me even considering such a platform (especially since I had 8GB of quality DDR2 ready to use in this build).
Although we use Citrix XenServer Enterprise at work, it’s not a workstation product (although they are working on one, which is quite interesting, and a very different spin to workstation virtualization). For home use, I rely on Sun’s excellent VirtualBox. Although VirtualBox isn’t a “bare metal” hypervisor, offering Paravirtualization such as a server oriented product like Xen, it is an excellent workstation product which is not only free (and even has an Open Source variant), but in my opinion, better than some commercially available products.
One of my favorite features of VirtualBox is it’s ability to make full use of AMD-V and Nested Paging, which dramatically improves performance. I decided to do a simple test using Cinebench to see just how close to native performance I get in a real-world benchmark.
Cinebench is an awesome CPU benchmark. It not only simulates a real-world performance scenario, but is as close to a pure CPU benchmark as you can get without going ‘synthetic’. Since I was working in a single-tread mode with this test, I chose to use the (older) 9.5 version of the tool, as it renders much quicker than the current version 10. If you are looking to really benchmark your system, I would recommend version 10 however. So now, without much ado, here is what I found:
Test Setup
Test Methodology:
Host Run:
Since I wanted this to be a single-tread test, after launching Cinebench, I went into task manager, and I set the affinity of Cinebench to a single CPU core (in this case, Core 3):
I then ran the Single CPU test in Cinebench:
Notice in the screenshot above that only one core is active. If I had not set affinity on Cinebench, even though I was running the single threaded test, it would have been bounced around the cores. Instead of having one single core maxed out (like a single CPU system), it would have looked like this (with each core getting some activity) with I did not feel would give an accurate result:
After running the benchmark on the host, I opened VirtualBox and booted up my Windows Server 2008 x64 Virtual Machine (which has 2GB of RAM allocated too it). Although technically a different OS than the Host, Server 2008 is very similar to Vista architecturally, and runs the same Kernel. Unfortunately I didn’t have a Vista x64 machine handy, and I wanted to get on with the test. I then set the affinity on the VirtualBox process on the host in the same manner that I did with Cinebench to prevent the VirtualBox process from being bounced from core to core (again, keeping this as single threaded as possible). I then ran the single-treaded Cinebench test in the guest operating system. Please note that Hardware Virtualization is enabled automatically in VirtualBox when creating x64 based Virtual Machines, but not automatically for x86 VM’s. Also note that Nested Paging needs to be turned on manually regardless of guest architecture.
Now for the results:
The host scored 576 on the test, and rendered the test image in 39 seconds.
The guest scored 570 and rendered the test image in 40 seconds.
Cinebench only lists the time results in whole seconds, and I would have liked to have known the exact amount of time, as I’m sure it wasn’t exactly one second difference.
Final Thoughts:
Although this was a simple, and very unscientific test, it does go to show just how well VirtualBox, when coupled with AMD-V and Nested Paging can perform a real-world CPU load scenario. I welcome someone with a comparable Intel system (say a Q9550-Q9650…or heck, even a Core i7 920) to recreate my test and let me know the results, as I would surely be interested in knowing the results of such a test.
Written by jaysonrowe on February 9th, 2009 with no comments.
Read more articles on virtualbox and otherSoftware and AMD and Computing.
Note: If the registry editor fails to open the threat may have modified the registry to prevent access to the registry editor.
Download UnHookExec.inf, [ Right click and select “Save Target as” ] and then continue with the removal.
Save it to your Windows desktop. Do not run it at this time, download it only.
After booting into the Safe Mode or VGA Mode
Right-click the UnHookExec.inf file and click Install. [This is a small file. It does not display any notice or boxes when you run it.]
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Delete Entry with any Listed file name Above
Written by FireFly on February 9th, 2009 with no comments.
Read more articles on w32/Banload.ZXM and manual removal and removal of trojan and otherSoftware and Windows XP.
Description of XpyBurner and consequences of its residing on your PC
AdvancedCleaner and SpyBurner are the parental programs for malware of XpyBurner (Xpy Burner). However, XpyBurner removal is more complicated and risky, especially in case of careless approach. XpyBurner removal through the program installation manager at Start Menu would remove only few files left unhidden and reported and recognized by Windows as XpyBurner program. The reminder still includes all files necessary for the program adequate functioning. That means that a user is bothered on permanent basis and files deleted in the random rule. XpyBurner does not include files capable to analyze structure of your computer memory and that is why it removes files randomly as it cannot assess their possible importance for you, e.g. system files are vitally important for system functionality but XpyBurner cannot avoid deleting or delete them intentionally. The aim of such actions is to delete truly valuable files in order to create disordering and erase files you need. Accidentally, XpyBurner may have erased several system files and thus destroy Windows before user would have taken the decision to buy the full version. Click here to start free scan and remove XpyBurner. Please, do not pay hackers. If you believe they would not bother after you have paid a 50 dollars registration fee, you are wrong. You need to remove XpyBurner full version, too, as the association of XpyBurner files deleting files in your computer memory is not controlled by the rascals or programmed to stop as user has registered XpyBurner.
XpyBurner Technical Details
XpyBurner screenshot:
Signs of being infected with XpyBurner:
XpyBurner is easy to tell from other rogue applications if its scan window and fake alerts leading to its website or mentioning its name are displayed. However, cases may happen when either all its alerts or scan windows cannot be displayed due to either the error of downloading or anti-adware program or another reason. In this case, identification of XpyBurner is rather impossible without thorough inspection of the memory and it is better to use reliable scanner to detect and get rid of XpyBurner.
XpyBurner sometimes may be detected by its alerts in case its scan window is not imaged. If you see any alert of unknown origin prompting to remove something or informing you about any unwanted process or object, it may be this or another rogue program. Click here to stop guessing what parasite bothers you and remove XpyBurner upon detection.
Automatic Removal of XpyBurner from your PC:
Since XpyBurner makes your PC vulnerable, other rogues have likely found the way to infect your operating system. In addition, if trojan has downloaded XpyBurner, you need to remove XpyBurner trojan in order to avoid the malware reinstallation. Automatic tool will perform free scan so that you will know the names of threats and may remove XpyBurner and other rogues in the way you prefer. For automatic removal keep using Spyware Doctor; in order to remove XpyBurner and other infections manually, please go to the next section and find manual guides for other threats here at removal-tool.com or at other similar blogs. Follow the link below to start free scan and remove XpyBurner.
Download XpyBurner Removal Tool
Manual Removal of XpyBurner:
To the security purposes, experts recommend to reboot before and after malware removal process. That is to ensure any program is not running and interfering with XpyBurner removal. Please, print these instructions out as you cannot use any application to read them in your monitor during the XpyBurner removal.
Follow the instructions below step by step in the given order to remove XpyBurner completely and correctly.
Remove XpyBurner files and dll’s
wininet.dll
xpyburner.exe
Xpyburner.lnk
Uninstall xpyburner.lnk
Unregister XpyBurner registry values:
HKEY_CURRENT_USER\Software\XpyBurner
HKEY_CURRENT_USER\Software\{5222008A-DD62-49c7-A735-7BD18ECC7350}
HKEY_LOCAL_MACHINE\SOFTWARE\XpyBurner
Written by admin on February 9th, 2009 with no comments.
Read more articles on uninstall XpyBurner and remove XpyBurner and remove Xpy Burner and Xpy Burner and XpyBurner and XpyBurner remover and XpyBurner removal tool and Trojan horses and Spyware reviews and Adware and otherSoftware and rogue anti-spyware and spyware and Removal tools and Manual removal instructions and malware.
For as long as we have had Active Directory domains, we have been required to to join client to the domain while they were online and connected to AD. Without that the join would fail. Now you always had the ability to join with a script using the NETDOM command but with Windows Server 2008 R2 we can now join a client to our AD domain while offline. The real benefit hear is that there is no need to supply or enter domain admin credentials. As you’ll see below a TXT file is created but just for fun open it up with notepad and see what you can make out :)
It is a simple three step process that requires you to run a new utility called DJOIN from an already joined Server 2008 R2 computer.
For joining a computer to the domain using DJOIN there are some switches you need to know about first.
A typical command would be…
djoin.exe /provision /domain thelazyadmin.com /machine client01 /machineou Desktops /savefile client01.txt
To join client01 to the domain we would next import client01.txt with the following command run with administrative privileges…
djoin /requestODJ /loadfile client01.txt /windowspath %systemroot% /localos
Reboot once the client is connected to the domain and the join will be made.
Written by rodney.buike on February 9th, 2009 with no comments.
Read more articles on Directory Services and rodney.buike and otherSoftware and windows server.
With Western Digital and Hitachi unveiling their own versions of TB hard drives, Seagate is surely one hard disk manufacturer that will not be left behind. In fact, they have unveiled their own model, the Barracuda 7200.12 HD. It is the first mainstream desktop hard drive to feature high areal density that allows to store more data on each disk. Now that is something worth considering as file size requirements today are getting larger by the minute.
The 7,200rpm Barracuda drive packs 1TB (terabyte) of storage capacity on an areal density of 329 Gigabits per square inch to deliver the best combination of capacity, performance and reliability for PCs, desktop RAID and personal external storage. The drive’s Serial ATA 3Gbps (gigabits per second) interface delivers sustained data rate of up to 160MBps for fast boot, application startup and file access.
If 1TB of storage is too much for you, the 3.5in drive also comes in 750GB and 500GB capacities with cache options of 32MB and 16MB. But then again, today the ideal position to take is go for the larger drives even if you think that they are too much. The price disparity may be a couple of dollars but think of the future. In the long end, you will find yourself upgrading your hard drive so why wait.
Written by PC Freak on February 9th, 2009 with 1 comment.
Read more articles on otherSoftware and barracuda and terabyte and Seagate and storage and hard disks and Hard Drives and News.
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