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• Installing then Running VMware or VirtualBox causes my Windows 7 PC to not boot up after shutting down?

  - by Rick

  At my work I am provided with a Windows 7 PC but I am a programmer and Windows gives me problems for doing some types of development so I want to have a virtual Ubuntu Linux machine that I can use for some things. However, I have tried with both VirtualBox and VMware and I am able to install the latest Ubuntu and run it but then when I try to restart / start the computer after it was shut down, I am unable to boot into Windows normally and end up having to go into Safe mode and then use the system restore to get my system back up and working. I am puzzled by this and would appreciate if anyone has any idea why it would be doing this, I have searched on this but can't find anything. Thanks for any advice

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• How to switch a Sound Ouput Device before the Mac goes to sleep?

  - by Konzepz

  I've connected my MacBook to a set of external speakers with a USB. Now, every time the computer goes to Sleep Mode, there's an awful static sound coming from the speakers. I guess this is some bad wiring; but that's what I've got. However, I can use an idea for a script (AppleScript, bash, whatever) that will switch off the USB output sound in (System Preferences) before the computer goes to sleep, and will switch it back on (if exists) on Wake. Any ideas? Thanks!

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• Ubuntu server 12.04.03 not checking disk partitions on reboot?

  - by jamesc

  My MOTD is showing: *** /dev/md2 will be checked for errors at next reboot *** *** /dev/md1 will be checked for errors at next reboot *** *** /dev/md3 will be checked for errors at next reboot *** However, a standard sudo shutdown -r now does not appear to check the disks and the message remains. My guess is that the partitions 'should' be checked and that they are not being... so how can I get Ubuntu to check the partitions at reboot and keep things nice and safe? Update - this is the output of cat /etc/fstab proc /proc proc defaults 0 0 none /dev/pts devpts gid=5,mode=620 0 0 /dev/md/0 none swap sw 0 0 /dev/md/1 /boot ext3 defaults 0 0 /dev/md/2 / ext4 defaults 0 0 /dev/md/3 /home ext4 defaults 0 0 Update 2 - One message gone... Using @christianwolff's suggestions... sudo rm /var/lib/update-notifier/fsck-at-reboot sudo touch /forcefsck sudo shutdown -r now And now the motd is down to *** /dev/md1 will be checked for errors at next reboot *** *** /dev/md3 will be checked for errors at next reboot *** So 'md2(ext4)' has been checked and the message updated.

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• ASUS P5B Plus motherboard - no any drives found - how to restore RAID array?

  - by Moha

  We have a small server machine with an ASUS P5B Plus motherboard and 4 SATA HDDs. The HDDs were configured in a RAID10 array. Up until now, everything worked fine, but now the system doesn't recognize the drives. BIOS is set to RAID, jMicron controller is set to RAID, yet I can't see any of the drives in the BIOS setup, and jMicron BIOS tells me "no any drives found" The HDDs all spin up, I hear no clicking sounds or anything that would suggest HDD error. I did a search on this problem and replaced the SATA cables as suggested, but nothing's changed. What I have in mind is checking the CMOS battery and resetting the BIOS to use IDE mode, but I don't know if it will ruin the RAID system on the HDDs. It is not a critical server and there's only one database running on it (which I have backup of), but I don't want to setup the server from scratch if not necessary. What should I try to restore the RAID array and put the server back to working order?

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• Python/Lesta.A worm

  - by Hanks

  My Nod32 have been catching something that is apparently identified as Python/Lesta.A worm. No matter how many times I tell Nod32 to delete and quarantine the file, it always re-appear, the situation will repeat about 3-4 times a day. This thing has been creating a folder called "pamela" in one of my drives, it sometimes also creates a "xxx.folder" file, which Nod32 identifies as "Exploit/CodeBase virus". I have Googled, and done pretty much everything related to this: a full scan in safe mode with no networking turned on, and also ran Ad-Aware, SpyBot, SpyHunter, ComboFix and cleaned the registry. Any idea how I can completely get rid of this annoying virus/worm?

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• Canon HV20 recognized, but no drivers in Windows 7 x64

  - by Tuminoid

  My Canon HV20 camcorder is properly recognized when connected via Firewire to Windows 7 x64, but no drivers are installed for it. Windows or I cannot locate any drivers for it as, but it should be working off-the-shelf. I googled a lot, and found instructions to set IEEE 1394 host to legacy mode via Device Manager, but Windows doesn't offer me the legacy option at all. If I check the properties of Canon&HV20 device in Other devices section it says The drivers for this device are not installed. (Code 28) There is no driver selected for the device information set or element. It used to work just fine on my previous installation of Vista x64 and same hardware :/

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• How to cleanup tmp folder safely on Linux

  - by Syncopated

  I use RAM for my tmpfs /tmp, 2GB, to be exact. Normally, this is enough but sometimes, processes create files in there and fail to cleanup after themselves. This can happen if they crash. I need to delete these orphaned tmp files or else future process will run out of space on /tmp. How can I safely garbage collect /tmp? Some people do it by checking last modification timestamp, but this approach is unsafe because there can be long-running processes that still need those files. A safer approach is to combine the last modification timestamp condition with the condition that no process has a file handle for the file. Is there a program/script/etc that embodies this approach or some other approach that is also safe? Incidentally, does Linux/Unix allow a mode of file opening with creation wherein the created file is deleted when the creating process terminates, even if it's from a crash?

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• how to make SFTP work on Windows

  - by cyberkiwi

  What is the correct way to set up sshwindows for SSH key authentication? Does the user need to be created in Windows first or can a login be inserted into passwd without a Windows equivalent? I've searched on Google and have tried the tutorials and quick start guides. So far, exactly 0 have worked. None pointed out that to work in Windows 2008 R2, you need to change the properties of cygrunsrv.exe to "Windows XP SP3" compability mode to even get past the service startup "error 1067". Although it is running, no amount of configuration allowed me to log on to the SFTP server, even though I tried (from another machine): same user account added using "mkpasswd" + windows password same user account added using "mkpasswd" + public ssh key (added to /home/theuser/.ssh) On Windows 2003 R2 (a different attempt), the service would crash every time it started up. Some links I went through http://pigtail.net/LRP/printsrv/cygwin-sshd.html http://forevergeeks.com/how-to-setup-a-secure-ftp-sftp-site-with-openssh-on-windows/ http://support.moonpoint.com/os/windows/server2003/openssh-service-not-starting.html

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• How to add a service to the S runlevel in Debian?

  - by MasterM

  I have the following script (what it does exactly is not important): #!/bin/sh -e ### BEGIN INIT INFO # Provides: watchdog_early # Required-Start: udev # Required-Stop: # Default-Start: S # Default-Stop: # X-Interactive: true # Short-Description: Start watchdog early. ### END INIT INFO # Do stuff here... I insert it into the S runlevel by invoking: insserv watchdog_early The aproriate link is created in /etc/rcS.d: S04watchdog_early -> ../init.d/watchdog_early and /etc/init.d/watchdog_early is executable (has mode 755). Despite all this, it is NOT being run at boot. Why?

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• Multiple connections to the same Wireless Network in Windows 7

  - by Jamek

  Hello, my university just limited bandwidth to 512 kbps (that's 64 kB/s!) for each connection. I was thinking to make multiple connection to the same wireless network (called "internet"), is this possible under Windows 7? I know it's possible to connect to more than one WLAN through the "hostednetwork" concept in netsh: netsh wlan set hostednetwork mode=allow ssid=xxxxx netsh wlan start hostednetwork However this method doesn't seem to work, I don't know if it's due to the authentication method (through certificates while hostednetwork seems to support just a "passphrase") or because I'm already connected to that network with the same MAC. Can you think to some tool able to do this?

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• Raid recovery in gigabyte GA-8I945 Pro

  - by epeleg

  This was a working machine until a few days ago. And now it won't boot into the OS, during startup if makes clicking sounds (I think from one of the drives). Installed OS: Windows 2003 Web edition Hardware: Gigabyte GA-8I945P Pro , 2*160G Sata in RAID1 configuration , 2 Volumes – 25G and the rest. When I installed windows on it, during setup, I pressed F6 and used ICH7DH drivers of RAID. The manual for the MOBO says: Step 1: After the POST memory test begins and before the operating system boot begins, look for a message which says "Press to enter Configuration utility" (Figure 4). Press CTRL+ I to enter the RAID BIOS setup utility. But the machine never shows this message. BIOS SATA RAID/AHCI Mode is set to RAID. Any ideas or pointers on what I can do to recover my data? Thanks

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• Extract registry key from NTBackup System State backup

  - by phoenix8

  A Windows Server 2003 machine died recently but I need some information that was contained in the now-defunct server's registry. I have a "System State" backup file created by the Windows Server 2003 built-in backup program (NTBackup.exe). Is there any way to extract a key/value out of the backup file? I might be able do a Win2003 install on a similar machine then do a system-state restore but that's a lot of effort and I don't know for certain that the system-state restore will work on a different spec machine. (Would it work if I booted up in 'safe mode'?) But I'd really rather just get at the data straight out of the NTBackup file zip-file-esque styles if that's possible.

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• Blank screen after grub menu

  - by Tim

  I just rebooted an Ubuntu Server 10.04. After choosing boot options in the grub menu, though, it just displays a black screen with the blinking white underscore in the upper-left corner. The machine has had (hardware) trouble with networking before, but the problem remains after 10 minutes, so I don't think it's the problem now. Booting into recovery mode or using earlier kernels yields the same problem. This also happens if I boot from another hard-drive. I haven't yet tried to boot from CD as the machine lacks a CD reader. How should I diagnose the problem? Update: My boot options are: recordfail insmod ext2 set root='(hd0,1)' search --no-floppy --fs-uuid --set 567[redacted] linux /boot/vmlinuz-2.6.32-29-generic root=UUID=567[redacted] ro quiet splash initrd /boot/initrd.img-2.6.32-29-generic Update: Also, I cannot access the virtual terminals (ctrl+alt+Fn).

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• Standalone server setup for compute capacity

  - by mikera

  I'm developing an application for my company that will require a lot of compute capacity (running some very big mathematical calculations), and looking for some form of server setup to do this. For various reasons, we want to run this on-site in our office rather than hosting it externally. It's been a while since I last had to set up my own servers so I thought I would tap into the collective wisdom of serverfault! My broad requirements are: Budget $30-50k, with an aim to get as much compute capacity as possible for that budget 64-bit servers suitable to run Ubuntu Linux + Java Some relatively standalone rack that can be installed in secure office space Fast/low latency network connections between the servers, but don't really care about connectivity to the outside world Storage capacity shared between the servers - they don't necessarily need their own storage providing they can be booted from a common image Downtime can be tolerated (since the calculations are run in batch mode) The software itself is fault-tolerant, so there is no need for extra resiliency in the server setup (cheap replaceable commodity parts will be fine in general) Given these requirements what kind of setup would you recommend and why?

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• Command output as string

  - by rik

  I want to get output from command C:\Program Files (x86)\Java\jre7\bin\java.exe" -version as string variable. I tried this way: $out = &"C:\Program Files (x86)\Java\jre7\bin\java.exe" -version but it gives error message: java.exe : java version "1.7.0_05" At line:1 char:9 + $out = & <<<< "C:\Program Files (x86)\Java\jre7\bin\java.exe" -version + CategoryInfo : NotSpecified: (java version "1.7.0_05":String) [], RemoteException + FullyQualifiedErrorId : NativeCommandError Java(TM) SE Runtime Environment (build 1.7.0_05-b05) Java HotSpot(TM) Client VM (build 23.1-b03, mixed mode, sharing) $out variable seems empty. What am I doing wrong?

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• Video problem with Windows 7 Games

  - by Jordan 1GT

  I have a Dell xps M1330 which originally ran Vista, but I upgraded to Windows 7. When I try to run a Win 7 game like spider solitaire I receive the following message: "The game is running in software rendering mode. Hardware acceleration is either disabled or not supported by your video card driver which could slow down game performance. Make sure you have the latest video card driver installed and that hardware acceleration is turned on." I confirmed that hardware acceleration is turned on. When I go to Dell's site, I'm told there is no later video driver. When I run the game it runs very choppy. I wouldn't care, but I loaded a .pptx file which is doing strange things in normal view and I suspect may be related to the same video problem. Any ideas?

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• Manual TRIM Windows 7 on OCZ VERTEX 2 SATA II 2.5" SSD

  - by INTPnerd

  I have an OCZ VERTEX 2 SATA II 2.5" SSD with Windows 7 Professional installed on it. I am pretty sure TRIM is not working because my motherboard is the Asus M2N-SLI (not the Deluxe model) which does not support AHCI mode for the drive. Is there a utility that is compatible with this drive that I could possibly run once a day that would do something similar to a manual TRIM in order to keep the drive performance up? I could not find one specifically for this drive on the OCZ website. I did find a User-Initiated Garbage Collection wiper tool, but it is for a Vertex drive not Vertex 2. I tried to run it, but it said that wiper could not be run for all the drives on this system.

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• Debian Wheezy, hostapd running but no AP detected by clients

  - by f0o

  I've an TL-WN951N (AR5416+AR5008) using ath9k module running an hostapd and a dhcp for it. So hostapd starts fine: $ hostapd wifi.test Configuration file: wifi.test Using interface int1 with hwaddr f4:ec:38:9b:d4:93 and ssid 'test' hostapd.conf: interface=int1 driver=nl80211 ssid=test channel=1 But nobody seems to find it or being able to see it or connect to it by setting BSSID to 'test'. I'm quite frustrated now, I find 'howto' after 'howto' from people with same chipsets and it always seemed to work out great for them - but not here... iw list even shows up the AP mode being present at the interface... Thanks for your help

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• How computers display raw, low-level text and graphics

  - by panic

  My ever-growing interest in computers is making me ask deeper questions, that we don't seem to have to ask anymore. Our computers, at boot, as far as I understand it, are in text mode, in which a character can be displayed using the software interrupt 0x10 when AH=0x0e. We've all seen the famous booting font that always looks the same, regardless of what computer is booting. So, how on earth do computers output graphics at the lowest level, say, below the OS? And also, surely graphics aren't outputted a pixel at a time using software interrupts, as that sounds very slow? Is there a standard that defines basic outputting of vertices, polygons, fonts, etc. (below OpenGL for example, which OpenGL might use)? What makes me ask is why OS' can often be fine without official drivers installed; how do they do that? Apologies if my assumptions are incorrect. I would be very grateful for elaboration on these topics!

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• remote desktop connection help?

  - by robin agrahari

  sir, i have created a web application in eclipse,db2 database server is running on my pc.so i can access the web application through the address http://localhost:8080/LimsWeb i used team viewer software to establish a remote desktop connection. can my friend somehow connect to my pc so that when he types the above url in his browser he will be able to fetch the pages of the application. i was able to do this by connecting with remote desktop mode.but in that case my friend was able to use the application which i created running on my pc only and in the window provided by team viewer.i want that he can run the application on his own computer calling the given url from his own browser. please help

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• how to disable moving down on Enter key in Excel 2007?

  - by earlyadopter

  There used to be a check-box in preferences in Excel 2003 to disable moving down on Enter key after you edited a cell. Where could I find that setting in Excel 2007? <whining on>It drives me insane how microsoft trashes users skills and "fingers" memory to make what their new users may be will find easier. What about us, using these products for ten years?<whining off> I want to control moving around with arrow keys, and Enter to only return me from the cell editing mode to navigation, not moving down. I'm not in a data entry business!! I'm analyzing data, editing just few cells time-to-time.

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• How do I make YouTube videos fill up an entire screen when using dual monitors?

  - by Jephir

  I am using a dual monitor setup on Ubuntu 9.10 using the TwinView configuration in NIVIDA X Server Settings. My total resolution is 2960x1050 pixels, and my individual monitors are 1680x1050 (primary) and 1280x1024 (secondary). When going into fullscreen mode on any video on YouTube, I only see a cropped version of the video on my primary display as seen below. This does not occur on any other video sharing website - they properly make the video to fill the entire screen on my primary monitor. To my knowledge this problem only happens on YouTube.

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• Kill xserver from command line (init 3/5 does not work)

  - by Richard Martinez

  I'm running Linux Mint 10, although I've had this same issue with other variants of Linux. I've been told/found while researching that if the X server hangs or otherwise errors, one can drop to a root prompt, usually at another tty, and execute init 3 (to drop to single user mode) and then init 5 to return to the default, graphical session. Needless to say, I've tried this before in multiple configurations on multiple machines to no avail. The only feedback I receive form executing those two commands is a listing of VMWare services (from a kernel module) that are stopped and then restarted. Note: If I run startx (either before or after init 3), then I am told that the xserver is still running and that I should remove /tmp/.X0-lock. Having tried that, it removes that error message, but claims that the xserver cannot be attached as another instance is running. How do I kill the xserver completely? Can I killall some process name?

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• Having internet on a VirtualBox

  - by S4M

  I am running a linux laptop and I set up a VirtualBox under windows XP. My only problem is the VirtualBox doesn't seem to be connected to internet - When I do the connection diagnosis it tells me there is no connection. I am using an NAT adapter, and I bind the port 80 from my computer to the port 80 of the VirtualBox, and same for the ports 8080, but still no result. I would be grateful is someone could help me to sort this out. EDIT: thinking of it, what is making the problem hard - and painful - is the absence of error message. If I try to use a given adapter to share my computer's connection with the VirtualBox, and it doesn't work, I have no way to know why. So, it would be really helpful if someone could share a way to access this king of information (is there a log file somewhere or a way to run VirtualBox from command line in a verbose mode?).

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• Windows Explorer not responding

  - by William Barnes

  I am running W7 64bit on an AMD Quad 1.8Ghz processor. I have a 500GB system drive and added a 1TB drive. Windows Explorer does it's "not responding" thing regularly. I read the other posts and ran SCANNOW and it came back clean. I also ran AUTORUNS and disabled everything that was not windows related. No luck. I booted in safe mode and it appears that explorer works, but I don't know why. I did read a post awhile back that it could be a Service program that makes explorer not respond. I forgot to bookmark the site and don't remember how to turn off the SP's without crashing the entire system. Any help or suggestions will be appreciated. I have also run CHKDSK on all drives, and there were no errors found. EDIT: It has been in for about 2 years and the problem started about 4 or 5 months ago.

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