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• Thin virtual host [migrated]

  - by Adam Ryczkowski

  My work setup relies on old Windows XP. Now, when Windows XP isn't supported by new hardware, it's getting harder and harder to buy a notebook on which Windows XP can run natively with all essential hardware (wireless cards, graphics, sound etc). Since I don't expect my personal setup to turn away from Windows XP any time soon, I'm investigating the following trick: why not buy any decent hardware which Linux can fully utilize, and use it as a virtual host for a guest session with e.g. Windows XP. I like using hibernation, so I prefer this Linux to be as thin as possible, only enough to support VirtualBox, KVM or any other virtualization software. Question: Are there any "standard" ways to do this, like Linux distributions aimed specifically on being light virtualization host?

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• Building optimal custom machine for Sql Server

  - by Chad Grant

  Getting the hardware in the mail any day. Hardware related to my question: x10 15.5k RPM SAS Segate Cheetah's x2 Adaptec 5405 PCIe Raid cards Motherboard has integrated SAS raid. Was thinking I would build 2 RAID 10 arrays one for data and one for logs The remaining 2 drives a RAID 0 for TempDB Will probably throw in a drive for OS. Does putting the Sql Server application / exe's on a raid make a difference and is there any impact of leaving the OS on a relatively slow disk compared to the raid arrays? I have 5/6 DBs combined < 50 gigs. With a relatively good / constant load. Estimating 60-7% reads vs writes. Planning on using log shipping as well if that matters. Any advice or suggestions?

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• Triple Monitor Stand Recommendations

  - by Josh W.

  I've got two Acer X233Hbid 23" Widescreen LCD Monitors from new egg back last summer, each weigh 10.5lbs a piece I Want to Buy a third Acer 23" (closest I've found is the X235 on Newegg, weighs in at 11.5 lbs) , one of the new ATI video cards that will output to 3 displays, and then a monitor stand that will let me use them in portrait mode like the image below. I found the following: $260 - ERGOTRON 33-323-200 DS100 Triple-Monitor Desk Stand and was wondering if anyone has any experience with this kind of setup and whether it would work for me or not.. Thanks!

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• Which driver for "ATI Mobility Radeon HD 3650" in a laptop?

  - by Lasse V. Karlsen

  We have some HP laptops here that comes equipped with a video card that identifies itself as "ATI Mobility Radeon HD 3650", like this one. However, which drivers do we choose? As far as we can tell, HD 3650 is desktop cards, or at least there are no drivers listed for that series with "Mobility" in their name. If I pick the following on the ATI Driver Download page: Graphics Windows Vista 32-bit Edition Mobility Radeon Then the dropdown for the card model contains X300, X600, X700, X800, X1300, X1400, X1600, X1800, 9600, 9700 and 9800 models, but no "HD" nor "36xx series". However, if I change to just "Radeon" for the last selection there, I can find a "Radeon HD 3600 Series" model in the list. Also, if I pick "Windows 7" as the operating system, I can find a "Mobility Radeon HD 3000 series" card, but no 3600. So, which one to pick? The main reason I ask is that they all seem to have some kind of problem installing, so neither seems to be the right one (they all crash with "Catalyst Install Manager has stopped working".)

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• AMD chipset VS SLi

  - by djechelon

  Hello, I currently own a Crosshair 2 Formula which is broken and I need to replace. Recently, I bought a Phenom 2 CPU which I wouldn't like to throw away. Recent Crosshairs are based (as opposed to the Rampage series) on chipsets that are certified for AMD Crossfire. The problem is that I have 3 SLi cards I absolutely don't want to change with AMD card(s) since I use 3D Vision, and I need NVidia. If I buy a Crosshair 3 or 4 which is not SLi certified, will SLi still work? Else, could you suggest me a good gaming motherboard with AM3 socket and that works with 3-way SLi? Thank you in advance. [Edit] I'm asking this question because it seems Crosshair 2 is difficult to find among the market

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• Need assistance setting up Linux Router with 2 public lans

  - by user195407

  I was assigned a.b.c.10/30 (Public IP) for my router and given a.b.c.9 as the gateway. I was also assigned x.y.z.128/25 (Public IP block) for my use. I want to setup a Linux router to handle this situation. My Linux box has 3 NICs, eth0 is a.b.c.10, eth1 I have assigned x.y.z.254, eth2 is unused at present. I have eth1 connected to a network switch, and several devices connected. Let's say box A is x.y.z.129 with a gateway of x.y.z.254. I have not connected to the network yet, as it is not live. What settings do I need to make, beyond adding the 2 network definitions to the cards and having "route add default gw a.b.c.9 eth0"? I may add a private 192.168.100.0/24 lan to eth2 later.

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• Does upgrading RAM causes increase in Graphic card's share?

  - by A.S.

  I have asked this question on Ask Ubuntu, and I was suggested to Upgrade RAM from most voted answers. But I got a point about my graphics card. Since, I can upgrade RAM and not graphics card, Does upgrading RAM also cause graphics memory to increase. To clear the point: My specs are given below: Laptop : Lenovo 3000 Y410. (bought in 2008 October) RAM: 1 GB (DDR2) External Graphics (Dedicated): N/A Internal Graphics (Shared): 256 MB Graphics Chipset: Intel GMA X3100 My Question is: If I increase my RAM to 3 GB, will it increase graphics cards share of the Memory. In other word, If graphics card shares 256 MB in 1GB RAM, will it share more, when I upgrade the RAM into 2GB or more ? Authentic resource link will be much appreciated I have recently known that, My chipset GMA X3100 can address 384 MB of RAM. So the question.

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• Building a DVR system for use with custom windows application (video analytics)

  - by Michael

  Is there a good PCIe DVR capture card that has at least 4 channels as well as the hardware encoding? It would have to have decent driver support in Windows xp or windows 7. I have looked at various video capture cards as well as an integrated video capture card/motherboard from Huperlabs. But so far I have not found one with a decent review and that has good driver support that I can verify. A really small card would be nice because I am trying to get a fairly small form factor. Huperlabs stuff is pretty awesome but they are slow to get back to me and they bundle their analytics software with the hardware (extra cost for nothing) The dvr is being used for security.

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• Using MythTV to Stream Satellite Signal to multiple users

  - by Ammar

  I'm planning on setting up a small media center to achieve the following: I have multiple users who want to watch satellite channels I want them to be able to change the channel remotely I'm going to buy an external DVB to capture the signal Use some software to stream the channel that is selected I want to have 2 different channels at the same time, I assume I will need two DVB cards Users use VLC or Windows Media Player or whatever to view the channels How can I achieve this? I heard MythTV can do it? I tried to do some research I couldn't find enough information. Note: There's no copyright issue here. I'm streaming Free-To-Air (FTA) channels.

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• 3 or 4 monitors with Nvidia and Ubuntu

  - by Jason

  I saw that you are (were?) running 4 monitors with Ubuntu 8.10 and two Nvidia cards (http://stackoverflow.com/questions/27113/how-to-use-3-monitors). I was curious if you were doing this with Xinerama, a hacked up TwinView config, or multiple X screens, or some other method? Does it work with compiz? I intend to run my Dell 30" in the middle with two 1280x1024 on the sides and continue to use one X screen, and run compiz, on Ubuntu 9.04. Currently, I am using 2 monitors with twinview and compiz, which runs fantastic. I just can't get the third monitor running (unless I enable it in its own X screen, and then enable Xinerama to enable windows to be dragged as if all one X screen, but this breaks compiz, and I don't care much for having separate X screen). I am very interested in knowing how you set up 4 monitors with 2 GPU's. Thanks!

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• iptables forward rule not working in openwrt

  - by Udit Gupta

  I am trying to apply some iptables forwarding rules in openwrt. Here is my scenario - My server has two cards ath0 and br-lan. br-lan is connected to internet and ath0 to private network. The other m/c in n/w also has ath0 that connects with this server's ath0 and they are able to ping each other. Now, I want other m/c in network to use internet using br-lan of server so I thought of using iptables forwarding rule- Here is what I tried - Server : $ ping 1.1.1.6 // <ath0-ip of client> works fine $ iptables -A FORWARD -i ath0 -o br-lan -j ACCEPT $ /etc/init.d/firewall restart Client : $ ping 1.1.1.5 // <ath0-ip of server> works fine $ ping 132.245.244.60 // <br-lan ip of server> (not working) I am new to iptables stuff and openwrt. What I am doing wrong here ?? Any other help if anyone could suggest for my scenario Edit- m/c - machine n/w - network

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• Considering building a new system; but undecided about chassis

  - by J.C. Bengtson

  I'm considering a new system build, and was thinking that this particular motherboard has features I need and like: http://www.tigerdirect.com/applications/searchtools/item-details.asp?EdpNo=667651&pagenumber=1&RSort=1&csid=ITD&recordsPerPage=5&body=REVIEWS#CustomerReviewsBlock .. but am unsure which model chassis to pair it with. I'd strongly prefer something from Cooler Master, as I'm a fan of their products, but am having a hard time deciding, and also don't want to get into some odd situation where the board doesn't properly fit. I plan on having two optical drives (5.25"), two internal HDs (3.5"), and will likely go with an SLI setup of 2 or possibly even 3 cards, so I'd need a chassis that is roomy enough to accomodate all of that, as well as the motherboard itself. Based on the stock available at that same site, do you all have any suggestions? The larger, the better, as I hate having components crammed together. Your help is most appreciated!

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• Upgrade AirPort on Macs to support Snow Leopard's Wake on Wireless/WLAN?

  - by wojo

  Snow Leopard now supports Wake on WLAN, but not all hardware supports this. For example, my Octo Mac Pro from early 2008 has an AirPort card, but it does not support this. Nor does my 2007 2.33GHz MacBook Pro. For reference to what is needed, look at http://www.macrumors.com/2009/08/28/a-closer-look-at-snow-leopards-wake-on-demand-feature/ which includes a screenshot of what the System Profiler should show. It's pretty hard to find Apple parts, but is it possible to put newer cards into these machines to have them support Wake on Wireless?

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• Causes of hard crashes on Windows XP and how to debug

  - by Sam Brightman

  I am occasionally seeing hard lockups on XP: totally unresponsive to keyboard/mouse, screen freezes at time of crash, no SSH/VNC possible. Very intermittent, nothing in the logs. I never see a blue screen on any kind of error message. This morning I logged in via VNC, logged out again, 20 minutes later physically sat at PC and it crashed around the time of VNC logout. I tend to suspect video cards in these kind of situations but it's a modern-ish card with modern drivers (one revision back, but this has been happening for 5 revisions or more) and normally would at least see a blue screen I expect. What would you suspect? Where can I look or what can I set up for more information? Bear in mind that this happens about once every 3 or 4 weeks, so extensive logging or intrusive monitoring isn't really an option.

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• PCMCIA preventing laptop from booting up

  - by Pongus

  My friend has brought his dead laptop over. It is a Sony Vaio with Windows Vista. When booting up, it blue screens and reboots. I have tried to boot up with Knoppix and this will freeze when starting up PCMCIA. If I start Knoppix with knoppix nopcmcia it disables pcmcia and boots up fine. So I presume there is a problem with the PCMCIA controller on the laptop. My friend does not use any PCMCIA cards, so doesnt really need it. Is there anyway I can similarly disable PCMCIA so that Windows will boot up fine?

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• Integrated video card not detected after installing new video card

  - by Jaime

  Hi, I got this emachines ET1331G-03W with a built in integrated video card (GeForce 6150SE). I added another video card (e-GeForece 6200 LE) in the hopes that I utilize both and have a dual monitor. But once the additional card was installed, windows 7 does not recognize the integrated video. Is it possible to use both video cards and have a dual monitor setup? Is there a switch on the motherboard that I have to turn on or off to enable the integrated video card along with the new card. Thanks!

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• New standalone ESXi 5 deployments - USB versus SD card?

  - by ewwhite

  Now that the old full VMWare ESX with service console is no longer, I'm redeploying some standalone ESXi servers. I'm using HP ProLiant ML and DL G6 and G7 servers. Does it make more sense to utilize the internal USB port for ESXi or the internal SD card slot? I'm using the HP ESXi 5 build, but am not sure what the recommended practice is. Any recommendations on cards/USB drives for this purpose? BTW - these will be all-in-one storage servers with the onboard disk storage presented via PCIe passthrough.

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• Hyper-V virtual machine unable to get IP address from DHCP server running on same physical box

  - by Bronumski

  We have a Windows server 2008 R2 with two network cards running AD, DHCP, DNS and Hyper-V The first nic is setup with a static IP address and DHCP, WDS, and DNS are bound to it. The second nic is configured in Hyper-V to be only used by Hyper-V and has been automatically configured so that only the virtual switch is enabled on the adapter. DHCP and DNS work fine for all physical machines on the network. It also works for Virtual Machines running on another physical box. Virtual machines that are bound to the virtual switch network adapter are unable to get a IP address. If the virtual machine is given a static IP address with correct subnet, gateway and dns everything works. Has anyone else got this working?

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• fsck: FILE SYSTEM WAS MODIFIED after each check with -c, why?

  - by Chris

  Hi I use a script to partition and format CF cards (connected with a USB card writer) in an automated way. After the main process I check the card again with fsck. To check bad blocks I also tried the '-c' switch, but I always get a return value != 0 and the message "FILE SYSTEM WAS MODIFIED" (see below). I get the same result when checking the very same drive several times... Does anyone know why a) the file system is modified at all and b) why this seems to happen every time I check and not only in case of an error (like bad blocks)? Here's the output: linux-box# fsck.ext3 -c /dev/sdx1 e2fsck 1.40.2 (12-Jul-2007) Checking for bad blocks (read-only test): done Pass 1: Checking inodes, blocks, and sizes Pass 2: Checking directory structure Pass 3: Checking directory connectivity Pass 4: Checking reference counts Pass 5: Checking group summary information Volume (/dev/sdx1): ***** FILE SYSTEM WAS MODIFIED ***** Volume (/dev/sdx1): 5132/245760 files (1.2% non-contiguous), 178910/1959896 blocks Thanks, Chris

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• How do I configure an ordinary TV remote control to work with lirc on Linux?

  - by Allan Lewis

  I am running MythTV on Ubuntu 9.10 and I would like to use a TV remote to control it. I know that lirc needs a configuration file for the remote, but none of my remotes is in the official database. If I point a remote at the receiver on my TV card (a Pinnacle PCTV "Solo", model 72e) and press a button, dmesg logs the code generated by the remote, so I assume I just have to make a config file with a list of commands assigned to these codes. I've read a few how-tos but I still don't understand exactly how to create the config file. Some of the guides I've read refer to IR receivers on TV cards working at a "higher level of abstraction", which I take to mean that they decode the signal and provide a code, like the ones I can see in dmesg, rather than just giving raw data, but none of them explain where to go from there! Any help would be greatly appreciated!

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• solaris + dladm + what is unknown state and how to bring it to up?

  - by yael

  I installed Solaris 10 on my netra machine from dladm show-dev I can see which interface are down or up all interfaces are connected to the Cisco switch , and all leds are light's on all LAN cards but I not understand why all interfaces except e1000g0 are in unknown ? Please advice how to bring the unknown interfaces to up ? # dladm show-dev e1000g0 link: up speed: 1000 Mbps duplex: full e1000g1 link: unknown speed: 0 Mbps duplex: unknown e1000g2 link: unknown speed: 0 Mbps duplex: unknown e1000g3 link: unknown speed: 0 Mbps duplex: unknown nxge0 link: unknown speed: 0 Mbps duplex: unknown nxge1 link: unknown speed: 0 Mbps duplex: unknown nxge2 link: unknown speed: 0 Mbps duplex: unknown nxge3 link: unknown speed: 0 Mbps duplex: unknown

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• Windows Disk I/O Analysis

  - by Jonathon

  It appears that we are having a problem with the disk i/o speed on our Windows 2003 Enterprise Edition server (64-bit). As we were initializing a database that created two 1G tablespaces on 3 different machines, it became obvious that the two smaller machines (each 32-bit Windows 2003 Standard Edition with less RAM) killed the larger machine when creating the files. The larger machine took 10x as long to create the tablespaces than did the other machines. Now, I am left wondering how that could be. What programs or scripts would you guys recommend for tracking down the I/O problem? I think the issue may be with the controller card (all boxes are hardware RAID 10, but have different controller cards), but I would like to check the actual disk I/O speed as well, so I have some hard numbers to work with. Any help would be appreciated.

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• SLI Artifact issues

  - by sloughk

  When I enable SLI I keep getting artifacts in random games and in Windows Aero sometimes . It doesn't seem to be about over-heating as it happens randomly, and sometimes whole computers just crashes (not blue-screen, just black gone...) My setup: Geforce 8800 GTS 320MB ( http://www.bfgtech.com/bfgr88512gtoce.aspx ) x 2 GIGABYTE EX58-UD4 Windows 7 RC PSU 800W I've got the latest NVIDIA drivers and F5 BIOS update (*SLI update*). When I disable SLI and use the cards separately they are working just fine even in games. Any idea why this might happen?

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• Buying Dual Monitors of different size and resolution

  - by rutherford

  I'm about to go choose a dual monitor setup: 1) Is there any reason why I can't just walk out and buy the two TFT screens I like (a wide screen and a 'portrait' screen) and combine them? Mainly wide screen would be for gaming, and portrait for browsing. I'd want the desktop stretching from one to the other (ie drag pointer, apps from one screen to the other) 2) Also do I need separate gfx cards for each monitor or can one cover both? any performance cost? 3) And can I have separate background images for each, seeing as they'll be different resolutions?

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• Help: Best way to do a TV-out in 7300GT Nvidia video card?

  - by Martin Ongtangco

  I'm planning to recycle my old PC and build a Media Center using an open-source (C#) software called MediaPortal. My old PC has a GeForce 7300GT with a TV-out plug built-in. When I tested it last night, it wouldn't detect my JVC tv (CRT) using the current drivers. I even purchased a new copper-based TV-Out to RCA cable. I searched all 3 AV channels. The video card has 3 output ports: 2 DVI & 1 s-video. I used the s-video with a S-Video to RCA out cable. I swapped between PAL & NTSC So what I did was I downloaded the first version of an Nvidia driver for 7 series cards, but still even with the old console, it couldn't detect the TV. I'm running out of viable ideas. Anyone here had the same problem and fixed it? Any suggestion is appreciated. Thank you!

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