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• Failures when copying between two external drives on the same controller

  - by Krzysztof Kosinski

  I'm encountering a weird problem which is present both on Ubuntu 9.10 and 10.04, on two different machines. When trying to copy between two external drives connected to the same USB controller, the transfer will randomly hang at some random time (after copying 300MB, 1GB, 10GB - it doesn't appear to depend on the dataset being copied). The hang appears to happen faster in 10.04. It appears to happen slower if both drives are connected to a hub. If the drives are connected to 2 distinct physical ports on the machine, the hang will be very fast. Hangs cannot be reproduced if: Data is copied from the first external drive to an internal drive, then to the second external drive Drives are connected to different USB controllers, for example the first one is connected to the built-in controller and the second one via an external PCMCIA controller. lspci says the first machine has an Intel ICH9 USB controller, the second an Intel ICH4. Is this a hardware problem, a kernel problem or a software issue? I used Nautilus when copying the files.

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• Sending mail in localhost:25 with Ssmtp

  - by Juan

  I already have Ssmtp installed and working in a Centos 5.7 machine with Gmail configured. I can send mails in th shell without problems. Now i want to use the ssmtp to allow a web app (installed in the same machine) to send mails but for do this i have to find a way to ssmtp "hears" in the port 25 (or any other). There is a way to do this? There is another simple alternative to ssmtp who allows to send mail using localhost:25? Thanks.

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• Mobile Intel® GMA 4500MHD boost

  - by Andy Smith

  My machine has a Mobile Intel® GMA 4500MHD integrated graphics chipset. The machine is currently running 64 bit windows 7 premium with 3GB of ram (1x1gb and 1x2gb). I note that the Mobile Intel® GMA 4500MHD shares the physical memory to process the graphics. now, the total available graphics memory can be up to 1,340 MB with a 32-bit operating system and 3 GB system memory or 1,759 MB with a 64-bit operating system and 4 GB system memory. I am considering investing in a 4GB stick to replace the 1gb stick bringing the total up to 6gb, mainly for an increase in graphics processing ability. Can anyone let me know what sort of power (if any over the 4gb) I could expect by upgrading to 6GB?

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• Restrict access to ESXi

  - by kdl

  What is the best option to restrict access to ESXi machine so that it could be managed using VSphere client from only certain hosts? I know there is no built-in firewall and everyone recommends placing an ESXi machine behind a firewall, but when this is not an option... Is there any other option like using hosts.allow/deny or anything else? Or I better use ESX instead of ESXi? Edit: In the given circumstances, I am not able to add any additional hardware or use things like managed switches.

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• Virtual PC and hardware-assisted virtualization (VT-x) problem

  - by Vesa Huovi

  I've installed Microsoft's Virtual PC on Windows 7, but when I try to start a virtual machine I get the following error message: '<Virtual machine name' could not be started because hardware-assisted virtualization is disabled. Please enable hardware virtualization in the BIOS settings and try again. If hardware virtualization settings is already enabled, you may have to disable Trusted Execution Technology (TXT) setting in BIOS or update the system BIOS. However, if I download and run the Hardware-Assisted Virtualization Detection Tool, it gives the following positive message: This computer is configured with hardware-assisted virtualization. This computer meets the processor requirements to run Windows Virtual PC. If this computer runs a supported edition of Windows® 7, you can install Windows Virtual PC. I've also used the MSR Walker in the third-party utility CrystalCPUID to examine MSR 0x3a on both processors on my system, and it's 0x5 (0x4 = VT enabled, 0x1 = VT lock), as expected. Does anyone have any ideas of what else to check? Thanks.

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• TeamViewer cannot connect

  - by Cetin Sert

  Last week I decided to use TeamViewer VPN to administer software on a server behind a firewall using RemoteDesktop. It was easy to configure to start-up with the system and make VPN available on the other side but now it fails to connect at the step shown below: The remote machine is running Windows Server 2008 R2. Is there a native way to circumvent the external firewall using a server role or feature to make Windows Server do the VPN work? Do people have better / more reliable experiences with other products such as Hamachi? The requirements are as follows: Start at remote system start-up time Make VPN connections to the remote machine possible

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• RemoteApp cannot connect to webapp

  - by user58505

  I have just set up a Server 2008 R2 machine with Remote Desktop Services. It's all running on the one server, just for a single application, which works fine locally and when using Remote Desktop Web Access on the local network. However, when accessing it over the Internet, you can log on to RD Web Access fine, but when running the RemoteApp you get the message: RemoteApp Disconnected The remote computer could not be found. Please contact your helpdesk about this error. The application and all Remote Desktop services are on a single machine. I have purchased and installed a GoDaddy Cert. It works like a charm in the local network, but I get the above message when trying to access through rdweb How can I enable the RemoteApp to function outside the local network? I think there is one or 2 steps I left out??.. Please help...

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• Linux Disk Setup for VMs

  - by zjherner

  Been trying to find the ideal way to setup disks/partitions for Linux guests on ESXi. Seems as though Linux is falling behind when it comes easily adding disk space. The end goal is to be able to add disk space to a Linux server without rebooting the server or taking the server offline. Ideally, I would expect adding disk to a Linux machine should be as easy as adding disk space to a Windows machine. I expand the vmdk file from vSphere Open disk mangler find the disk and extend volume. Would have to use command line tools in linux which is no big deal, but I haven't been able to find a solid way to exand filesystems on the fly. What is everyone else using for disk setups on their linux guests? Has anyone been able to acheive adding storage space to linux without downtime? Can it be done without using lvm?

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• Help about NAT with virtual server

  - by Thanh Tran

  I have a dedicated server running Linux CentOS 5.3 with 2 IP addresses. I've installed a virtual machine using VMware Server. The host and the guest have a host-only network. Now I want to map the 2nd IP address to the virtual machine so that it can run as a second dedicated server for me. Here is what I do: modprobe iptable_nat echo "1" > /proc/sys/net/ipv4/ip_forward iptables -t filter -A FORWARD -s 192.168.78.128 -d 64.85.164.184 -j ACCEPT iptables -t nat -A PREROUTING -d 64.85.164.184 -i eth0 -j DNAT --to-destination 192.168.78.128 iptables -t nat -A POSTROUTING -s 192.168.78.128 -o eth0 -j SNAT --to-source 64.85.164.184</p> But it not working as intended. What is the matter?

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• Color Profiles in Windows 7 vs. XP

  - by flxkid

  I have a Brother Color Laser Printer and an HP 8150DN. I have a local Windows 7 Pro machine that I do graphics work on. I created a letterhead that when printed from my machine looks dark and rich on either the mono HP or the color Brother laser. I take this same letterhead, and move it onto our network for use by our users which are all on XP. Then they print the same file, it is washed out on either printer. I've confirmed that the printer settings we're using are identical. I've confirmed that its not related to the program or even specifically to the letterhead. I can duplicate this with other files too. I'm down to XP vs Windows 7 being the issue. I'm fairly certain now that color profiles are involved. I have no clue how to fix it though. Any suggestions would be much appreciated.

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• Tool to monitor file size, file existence, parse xml, etc

  - by Artur Carvalho

  I'm trying to find some tool that helps me monitor several things. What are some requirements: Shows results on a web page. Checks existence of files/folders Checks sizes of files/folders Can parse xml files Can have several status depending if it's for instance, after 9pm Ping workstations/Servers to ensure they are on or off create daily/weekly/monthly reports (pdf, html, csv) show daily/weekly/monthly scheduled tasks check if specific users are logged in a machine check which users are logged in in a machine I've looked into some solutions but could not find what I wanted. Usually tools like nagios are more focused in servers, and spiceworks is not so specific. At this point I'm using a little powershell script that does several of these items, but before losing more time probably reinventing the wheel, what tools are out there? Thank you in advance.

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• The Hot-Add Memory Hogs

  - by Andrew Clarke

  One of the more difficult tasks, when virtualizing a server, is to determine the amount of memory that Hypervisor should assign to the virtual machine. This requires accurate monitoring and, because of the consequences of setting the value too low, there is a great temptation to err on the side of over-provisioning. This results in fewer guest VMs and, in fact, with more accurate memory provisioning, many virtual environments could support 30% more VMs. In order to achieve a better consolidation (aka VM density) ratio, Windows Server 2008 R2 SP1 has introduced what Microsoft calls ‘Dynamic Memory’. This means that the start-up RAM VM memory assigned to guest virtual machines can be allowed to vary according to demand, changing dynamically while the VM is running, based on the workload of applications running inside. If demand outstrips supply, then memory can be rationed according to the ‘memory weight’ assigned to the guest VM. By this mechanism, memory becomes a shared resource that can be reallocated automatically as demand patterns vary. Unlike VMWare’s Memory Overcommit technology, the sum of all the memory allocations to each virtual machine will not exceed the total memory of the host computer. This is fine for applications that are self-regulating in their demands for memory, releasing memory back into the 'pool' when not under peak load. Other applications however, such as SQL Server Standard and Enterprise, are by nature, memory hogs under high workload; they can grab hot-add memory whilst running under load and then never release it. This requires more careful setting-up and the SQLOS team have provided some guidelines from for configuring SQL Server in virtual environments. Whereas VMWare’s Memory Overcommit is well-proven in a number of different configurations, Hyper-V’s ‘Dynamic Memory’ is new. So far, the indications are that it will improve the business case for virtualizing and it is probably a far more intuitive technology for the average IT professional to grasp. It is certainly worth testing to see whether it works for you.

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• Stereo images rectification and disparity: which algorithms?

  - by alessandro.francesconi

  I'm trying to figure out what are currently the two most efficent algorithms that permit, starting from a L/R pair of stereo images created using a traditional camera (so affected by some epipolar lines misalignment), to produce a pair of adjusted images plus their depth information by looking at their disparity. Actually I've found lots of papers about these two methods, like: "Computing Rectifying Homographies for Stereo Vision" (Zhang - seems one of the best for rectification only) "Three-step image recti?cation" (Monasse) "Rectification and Disparity" (slideshow by Navab) "A fast area-based stereo matching algorithm" (Di Stefano - seems a bit inaccurate) "Computing Visual Correspondence with Occlusions via Graph Cuts" (Kolmogorov - this one produces a very good disparity map, with also occlusion informations, but is it efficient?) "Dense Disparity Map Estimation Respecting Image Discontinuities" (Alvarez - toooo long for a first review) Anyone could please give me some advices for orienting into this wide topic? What kind of algorithm/method should I treat first, considering that I'll work on a very simple input: a pair of left and right images and nothing else, no more information (some papers are based on additional, pre-taken, calibration infos)? Speaking about working implementations, the only interesting results I've seen so far belongs to this piece of software, but only for automatic rectification, not disparity: http://stereo.jpn.org/eng/stphmkr/index.html I tried the "auto-adjustment" feature and seems really effective. Too bad there is no source code...

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• Cannot access Windows 7 share from Windows XP

  - by artfulrobot

  I have a new Windows 7 machine named PAP44 in the PAP workgroup. The networking is set to "Work" mode for the wired LAN. I have a couple of users and I've shared a folder and set it so both users can read/write. Confusingly for me, rather than sharing just that folder (as I'm used to with older versions of Windows) it appears to be sharing a path (\\pap44\users\...\myFolder) From another machine on the LAN, running XP, when I go to \\PAP44\Users I'm asked for a username and password, but neither of the usernames+passwords work. It just jumps back to the username and password dialogue, except that the username I entered gets prefixed with PAP44\ My end goal is to get my Debian/Ubuntu machines to be able to access this share, but first of all I thought I'd try to get it working in Windows, after all, that's supposed to be easy! Is there another step? (PS. I am not a "hit and run" case!)

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• Why does copying an XML file from Windows Server 2008 R2 64-bit to Windows XP 32-bit change the file?

  - by Alex In Paris

  What I do: Copy an xml file (ctrl+C) on a Win Server 2008 machine. Minimize mstsc.exe (remote connection app). Paste the xml file on to my WinXP machine (ctrl+V). The result: All of the original contents are still present but another bit is appended at the end of it. E.g. the proper end of the file looks something like this: <ApplicationName>MyApp</ApplicationName> </ReceivePort> </ReceivePortCollection> <PartyCollection xsi:nil="true" /> </BindingInfo> But, after the copy, it looks like this: <ApplicationName>MyApp</ApplicationName> </ReceivePort> </ReceivePortCollection> <PartyCollection xsi:nil="true" /> </BindingInfo>al, PublicKeyToken=3zzf3xxxadyyy35" Type="1" TrackingOption="ServiceStartEnd MessageSendReceive PipelineEvents" Description="" /> <ReceivePipelineData xsi:nil="true" /> <SendPipeline xsi:nil="true" /> <SendPipelineData xsi:nil="true" /> <Enable>true</Enable> <ReceiveHandler Name="WCF_OracleDB_Rx" HostTrusted="false"> <TransportType Name="WCF OracleDB" Capabilities="779" Configuratio The extra bits it adds are things that come from earlier in the XML file. If I do the copy multiple times, the extra bits are always exactly the same but another XML file will add different lines. Extra information: If I copy/paste the file, as above, but first enclose it into a zip file I do not have the same problem. I.e. the file copies properly and without any extra surprises. If I do a copy/paste from a Windows Explorer window that's opened to the folder on the remote machine, I do not have the same behavior. I.e. the file copies properly and without any extra surprises. Question: Why does this happen?

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• Natively boot Virtualbox Image

  - by isync

  I am faced with a Windows hardware/software problem left over from another person. It's on me to resolve. It's a mission critical setup. The situation is: I've got a physical server machine with: -Disk C:\ (one disk) containing a basic install of Windows Server 2008 R2, formerly Win Vista Pro, now gone. -Disk D:\ (software Raid) containing a VirtualBox disk image of a configured Windows Server 2008 R2 running SQL Server R2 among others. What shall I do now? Migrate all the stuff from the configured VM to the basic but natively installed C:\ Windows Server 2008 R2 (with the possibility of breaking stuff)? Or, Setting up the machine to "natively boot" the VM with the help of bcdedit.exe (something I've read about, what I've never done, what I don't know of if it works, if it hits performance, or if it is stable for production) For me, being old skool, I am in the process of de-virtualising everything (option 1). But I'd be happy if someone suggests I am ok to go down the "natively boot" route.

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• Remote Desktop Windows 7 into a XP sp3 system print issue

  - by user50963

  I have a windows 7 laptop that I use to remote in to work, which is a XP sp3. I have a brother MFC-8670dn printer. I have the win7 print drivers installed and working on the win7. I made local printers accessible over the RDP. I installed the xp drivers for the Brother printer. So my question is, " Is there a way that I can print from my win7 machine remotely connected to a xp sp3 system"? Or is there no way that I can put the correct drivers on the xp machine to have it redirect to my laptop(win7)

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• Can't access an internal IIS web site via IP address, only hostname

  - by chris-untrod-com

  I have a machine on my home network running Windows Server 2008 (IIS7) with a web application running under default website called HTCOMNET. The network is just on a Windows Workgroup. The server is named nas1 and has a (dynamically assigned) IPv4 address of 192.168.2.12. I can ping 192.168.2.12. When I ping the machine by name ("nas1"), the hostname resolves to an IPv6 link-local address (as opposed to the ipv4 address). In a browser, I can go to http://nas1/HTCOMNET/ and IIS serves the site, no problem. But if I go to http://192.168.2.12/HTCOMNET, no dice. I have all the windows firewalls turned off. Any idea what's going on? I can't for the life of me figure out why I can't hit IIS via the IP. I feel like it's something really obvious, but i can't figure out what. Thanks!

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• CheckPoint SecuRemote / SecureClient on Vista 64

  - by cliff.meyers

  According to this page, CheckPoint's SecuRemote client is not supported on Vista 64: https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit%5FdoGoviewsolutiondetails=&solutionid=sk36681 Unfortunately in working with the systems team they will not confirm if the other two clients (SSL Network Extender or Endpoint Connect) are supported by their environment. Does anyone know if it would be possible to do the following? Install VMware Workstation on my Vista 64 system (host) install a Vista 32-bit OS in a virtual machine (guest) Install SecuRemote VPN client within the guest (Vista 32) Get my Vista 64 machine (host) to use the VPN connection from the guest Any other ideas are more than welcome.

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• New Outlook 2003 message, cursor sometimes goes to body, sometimes goes to "To:" field

  - by normalocity

  I've got an Outlook 2003 client that, when you click on "New message", about half the time the cursor defaults to being in the "body" of the message, and the other half of the time it defaults to the cursor being in the "To:" field. Anyone know why this might be happening? Thought it might be related to having Word set, or not set, to be the default email editor, but that had no effect. Also, this particular user reports that, on their previous machine, it always defaults to the "To:" field. I happen to still have that machine around, unmodified from when it was removed from the, and they are correct - it never goes to the body. I also read that some people had this issue and turned off the "Outlook today" feature to fix it, with mixed results. However, in this case the "Outlook today" feature isn't even turned on.

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• Disable "Windows Firewall with Advanced Security" for all profiles(Domain,Public,Standard) in local GP using script help! Windows 7 Clients

  - by JoBo

  We need Windows7 with windows firewall to be turned off , so the GOLD image has windows firewall turned off for all profiles(Domain,Public,Standard) and Windows Service disabled No the same GOLD image deployed with MDT (Apply local GPO) has enabled Windows Firewall under "Windows Firewall with Advanced Security" as part of task sequence Now we need to remove it. "These machines are now on Domain where in we have no rights/control on the domain level GPO", we have local admi rights on these machines We have a requirement do set the "Windows Firewall with Advanced Security" to "NOT Configured" or "OFF "on these machines In gpedit.msc if we manually go to "Windows Firewall with Advanced Security" after enabling Windows Firewall Services then can Clear the settings Do do the same manually on all machines is extra effort Changing values in registry will get reverted on machine restart as its getting applied from local GPO Also using GPMC can connect to remote computer and can manually or using wfw file we can make it not configured but we are looking for a script or a less effort method to accomplish this Please suggest NB: CIA has already reported similar issue//How do I turn off Windows 7 Firewall via script or through automation?// , but doing netsh advfirewall set allprofiles state off on already deployed machines did not make change (FW service on all machine is disabled in GOLd image)// Thanks and Regards Jose

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• can't configure openfire

  - by SnOrfus

  I'm trying to setup openfire on one of the servers here and I've gone through the windows installer, installed the service, started the service and I can't connect to the admin console. If I go to http://127.0.0.1:9090 (or http://127.0.0.1/index.html) all I get is a blank page. I also tried running the GUI instead of the service, and it said that it was listening on 127.0.0.1:9090 and when I navigate there or click "launch admin" I still get a blank page. What could be the problem? It's a windows server 2k3 machine with IIS running (runs a couple of other sites). edit openfire 3.6.4 I installed on my local machine without problems, so it's obviously something on the server that's causing it. There is no firewall installed on that server so I'm not sure what would be stopping it.

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• Diagnosing xmodmap errors

  - by intuited

  I'm getting this error when trying to use xmodmap to get rid of caps lock: $ xmodmap -e 'clear Lock' X Error of failed request: BadValue (integer parameter out of range for operation) Major opcode of failed request: 118 (X_SetModifierMapping) Value in failed request: 0x17 Serial number of failed request: 8 Current serial number in output stream: 8 I'm running xfce on Maverick "10.10" Meercat. This problem did not occur before I added the Keyboard Layouts applet to a panel; before doing that, I was able to run my xmodmap script to swap Esc and CapsLock: !Remap Caps_Lock as Escape remove Lock = Caps_Lock keysym Caps_Lock = Escape It may be relevant that I chose alt-capslock as the keyboard switch combo in the Keyboard Layouts preferences. I've had a similar problem before, on a different machine, running openbox. On that machine, this problem started when I upgraded to Lucid, and has persisted in Maverick (release 10.10). I reported a bug in xorg. However, it remains unclear whether it's really a problem with xorg, or if I'm just doing something wrong with my configuration. Have other people experienced this problem? Can someone shed some light on what's going on here? It seems there are quite a few layers involved, and I don't understand any of them particularly well, so any information would be helpful. update I've discovered that the problem is specifically triggered by adding the Canada layout variant "Multilingual" (ca-multix). If I instead add the variant "Multilingual (first part)", the problem does not occur. I think this will probably end up being a usable workaround, but I don't yet know what the difference between these variants is. I've filed a freedesktop issue, and am commenting on a related ubuntu issue.

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• Ruby workflow in Windows

  - by Rig

  I've done some searching and quite haven't come across the answer I am looking for. I do not think this is a duplicate of this question. I believe Windows could be a suitable development environment based on the mix of answers in that question. I have been developing in Ruby (mostly Rails but not entirely) for about a year now for personal projects on a Macbook Pro however that machine has faced an untimely death and has been replaced with a nice Windows 7 machine. Ruby development felt almost natural on the Mac after doing some research and setting up the typical stack. My environment then included the standard (Linux like) stuff built into OSX, Text Wrangler, Git, RVM, et al. Not too much of a deviation from what the 'devotees' tend to assume. Now I am setting up my new Windows box for continuing that development. What would my development environment look like? Should I just cave and run Linux in a VM? Ideally I would develop in Windows native. I am aware of the Windows Ruby installer. It seems decent but its not exactly as nice as RVM in the osx/linux world. Mercurial/Git are available so I would assume they play into the stack. Does one develop entirely in Windows? Does one run a webserver in a Linux VM and use it as a test bed while developing in Windows? Do it all in a VM? What does the standard Windows Ruby developer environment look like and what is the workflow? What would a typical step through be for adding a new feature to an ongoing project and what would the technology stack look like?

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• Why is Apple System Image Utility so slow?

  - by Jon Rhoades

  I'm using Apple System Image Utility (SIU) on Snow Leopard 10.6.2 and I am rather disturbed it takes over Three hours to make a Netrestore or Netboot image. I'm using as the donor machine a brand new iMac and as the imaging machine a brand new iMac connected using target disk mode & Firewire 800. The hard drive size and subsequent image is about 8GB. To restore the image over the network takes about 4 minutes. Given that Norton Ghost will take an image in about 5 minutes (or less on newer machines) over USB2, why is the Mac over an order of magnitude slower?

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