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• how to connect virtual box os and local machine

  - by soul

  This question is in connection to this question asked by a user before: http://superuser.com/questions/73470/virtualbox-vdi-file-to-vmware On how to convert vdi to vmdk or vmx using vmware converter. How do I connect the windows xp that is in virtual box to the local computer (windows 7) in a network. Because I got this error while I tried following this instruction: Give the IP address, username and password of the remote machine that you would like to convert and then hit next I got this error in vmware converter: Unable to connect the specified host 10.0.2.15 which is the ip address of the xp machine inside virtual box. It also said that there is a network configuration problem. And when I inputted the ip address from whatismyip.com which should be the same as the ip address on local machine. I didn't get the previous error but I got another one, it said that: insufficient permissions to connect to "ip address" What solution can you suggest for this problem?

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• Excel 2010 started changing my numbers

  - by Going Crazy

  If I type in a 16 digit number (format: number, no decimals) it changes the number on me. Example: 1234567812345678 changes the view to 1234567812345670. If I type it in as a general format it changes the numbers above so it displays 1.23457E+15 but if you click on the cell, the display shows the last digit as a 0 instead of an 8 once again. I opened the file on a different computer and same issue now with it. I have changed the auto correcting and auto formating all to no avail. Help!

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• Is it possible reinstall packages in Ubuntu without an internet connection?

  - by javamatt

  Hi everyone, While experiencing some massive problems with MYSQL, I completely removed a package called rsyslog, and I can no longer get on the internet to use the package manager to correct my mistake. I also got rid of librdf0 as well (oops). I would like to download the missing packages onto a CD with another computer, and manually reinstall them on my Ubuntu platform. Any ideas where to find these? (I am assuming this is the package I need. Either way, I still need to get access to the correct packages and install them). Thank you all very much in advance. Matt

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• HP DV6 connects but no internet

  - by Frank Barcenas

  I have a Hewlett Packard DV6. I connected to the access point. I receive an IP address/default gateway/DNS,etc(DHCP). I cannot ping my gateway. DNS lookups fails. There is just no connectivity. My driver is listed as being IWLWIFI. An lspci shows my card to be a Realtek RTL8101E/RTL8102E. I can't ping myself from another computer. eth0 Link encap:Ethernet HWaddr c8:0a:a9:0c:a7:45 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) Interrupt:41 Base address:0xe000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:561 errors:0 dropped:0 overruns:0 frame:0 TX packets:561 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:42164 (42.1 KB) TX bytes:42164 (42.1 KB) wlan0 Link encap:Ethernet HWaddr 00:26:c7:04:97:c0 inet addr:192.168.1.109 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::226:c7ff:fe04:97c0/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:12 errors:0 dropped:0 overruns:0 frame:0 TX packets:71 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:2035 (2.0 KB) TX bytes:12371 (12.3 KB)

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• Remotedesktop to windows 2008 server with 2 nics

  - by The_Mo

  Hi I have 2 NICs on a Windows 2008 R2 Server. nic1 with ip address 192.168.2.1 with gatewaty 192.168.2.254 and nic2 with ip address 10.96.6.253 with no gateway. The windows 2008 server is connected to a router which is connnected to another router so if I want to connect to the windows 2008 server I use 192.168.0.31 because it is forwarded. If I use remote desktop to connect to that machine I use 192.168.0.31 and that works well, but the server has a seccond nic and I want to be able to connect with a remotedesktop to nic2. Any help appreciated! [server windows 2008 r2 192.168.2.1] -- [router 192.168.2.254/192.168.0.31] -- [my computer 192.168.0.13 gateway 192.168.0.254]

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• Why does the Mac OS X (10.6) Finder stop being able to connect to Windows computers?

  - by Drarok

  We have one Mac (a MacBook Pro Unibody) amongst our Windows machines which connects to the "server" (actually a Dell running Windows XP Pro) to access documents. This works just fine most of the time, but sometimes after waking from sleep, it cannot connect to any Windows computer on the network. There are no errors (nor even any messages) in the Console application when attempting to connect either by the Finder's network browsing, nor when using the "Connect To Server" menu. I have tried "Relaunch" on Finder, toggled File Sharing, disabled and re-enabled the Airport, but nothing makes the Mac able to connect again until I reboot it! Other computers can connect to the machines, so it is definitely the Mac at fault. Are there any workarounds that anyone has found? Is there perhaps a way to re-start the samba client?

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• Static noise coming from my laptop

  - by joanna

  Replaced motherboard; speakers; put in an additional fan; but this did not stop the static noise. This was done by inhouse tech. support from Sony. If i turn my speakers mute; the sound is still there! Can't hear it through headphones. I was told it is feedback noise! Now I'm suppose to send my $2,000.00 computer through the mail to get fixed? I'm terrified it'll come back in terrible condition during the travel time? Help?

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• Sniff packets using tcpdump

  - by denisk

  I have a completely noob question. I want to see all packets that come to my computer from particular site (google.com). So I start tcpdump sudo tcpdump -i eth0 host google.com and enter google.com in a browser and hit enter - nothing gets captured. I can't figure out why it happen. What do I do wrong? Edit It appeared that I was listening to the wrong interface. I had changed eth0 to any and it worked. It was ppp1 that needed listening. Thanks for your answers!

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• Firefox generating error?

  - by Lynda

  I run Firebug on my computer since I develop websites. And I have been noticing this error consistently with every page I go to and I am lost as to what it is and believe it might be Firefox causing this error. Has anyone seen it before? Here is the error: An exception occurred. Traceback (most recent call last): File "resource://jid1-g0j5yenav9jwla-at-jetpack-api-utils-lib/tabs/tab.js", line 254, in null .getInterface(Ci.nsIWebNavigation) Error: Permission denied for <http://superuser.com> to create wrapper for object of class UnnamedClass

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• Are these symptoms of a video card is dying?

  - by K Cloud

  What I am getting from my PC: Scrambled text in the boot menu. The scrambled text dissapears and everthing goes normal after several restarts, or the computer has worked for some time. Display goes blank showing, windows kernel mode driver stopped responding. Sometimes the windows just hangs, I need to restart the pc for that. There used to be some scrambled colors in my windows, so I cleaned up my video carda and port and reinstalled the video card, things are something right. The pc runs normally for hours in safe mode, as diffault display driver works at that case. My PC specs: Core 2 Duo processor 2 GB RAM NVIDIA EN210 SILENT GPU Windows 8 Drivers details: NVIDIA drivers - v331.65, told to be fully compatible with Win8 Currently I am installing Windows 7 and will be putting the older version of driver v320 to test, yet I'm really confused weather my GPU is dying or still on go.

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• Preventing my postfix to send my local users spam

  - by Jack

  I have a postfix/dovecot mail server with 100 different users. When they send an email they need to be authenticated. I successfully use saslauth to achieve this. Few days ago I had a problem. One specific user, probably with a virus or a spam-bot installed in its computer, started to send out through my server thousands of emails in few hours. As result, my ip has been blocked by many isp provider (@aol, @yahoo, and others) and has been listed in many blacklist, making all my 100 users unable to send any email to anyone. What is the best practice to avoid this problem? It would be great if my server could recognize a spamming user and automatically block it. Also, have a limit of, say, 30 emails per hour could be a partial solution. Any idea how to face this problem? Thank you

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• Failed 11.10 to 12.04 upgrade and drove me crazy!

  - by Ivan

  Please help me with this! I first tried to upgrade my Ubuntu server from 11.10 to 12.04 thru Upgrade Manager, but never succeeded! Then I tried upgrading thru terminal, which took me ~4 hours as I was warned. When I restarted my computer, my login GUI did not show up at all! (Panic I was!) But when I switched to tty6 and it seemed the upgrade has finished, at least partially and got message Ubuntu 12.04LTS and telling me 12.10 is available. There are bunch of unmet dependencies...."apt-get install -f" may resolve the problem. Then I tried: sudo apt-get -f install, did not succeed! Also I tried sudo apt-get update && sudo apt-get upgrade I got bunch of error message too long to list here. Then I tried: sudo do-release-upgrade still bunch of error message there! There seems a lot trouble with the upgrade from 11.10 to 12.04 for me. Did I miss anything? Anyway, can I ask how I can get the gnome login GUI back? Thanks a lot! Yifang

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• "The program is too big to fit in memory" problem?!!

  - by user47038

  Please help me!!! This is most amazing error that i have ever had, we write 100 CD, in these CDs we got one setup.exe file that autorun. in some of these CDs when I explore the cd the setup.exe file become the command prompt file and give me above error. and when I reset the system and put it in another pc it`s ok. if I reset the first pc the autorun.exe run. so I change it different computer, randomly get this problem. I am sure about the virus, because I checked on different pcs and with fully update definition so someone tell me what happen?

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• Accidentally ejected my Verbatim drive and can't get the icon back

  - by Erin

  Hi, I have time machine running on my iMac OSX v10.5.8 and also have a Verbatim 1TB attached that I use as a workspace/scratchdisk so I can manipulate large music files before I transfer them. However, when cleaning behind my computer the other day I think I dislodged the connection (or maybe one of the kids hit the eject button, i don't know) however, I've re-booted many times and it's not reconnected. It doesn't appear in my disc utility windown and I don't know how to get the icon back! I've looked in time machine but it doesn't appear there at all (cos it's not supposed to I think - it's not connected - my mate hooked it up for me and he won't return my calls!). Help. I don't know how to get it back! Sorry for being a plank.

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• is it okay to use random URLs instead of passwords?

  - by stew

  Is it considered "safe" to use URL constructed from random characters like this? http://example.com/EU3uc654/Photos I'd like to put some files/picture galleries on a webserver that are only to be accessed by a small group of users. My main concern is that the files should not get picked up by search-engines or curious power-users that poke around my site. I've set up an .htaccess file, just to notice that clicking on http://user:pass@url/ links doesn't work well with some browsers/email clients, prompting dialogs and warnings messages that confuse my not-too-computer-savy users.

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• No display but video card fans spins

  - by Marc

  Since I moved my computer there's no display when I plug my screen in the video card but works fine in the mother board. I tried reseting the cmos, but I still have the same problem. The fans are spining and there's a light from the card. I tried the DVI ports and the HDMI Here's my build. I have it for 2 months and everything was working fine. Do you think it's the video card? Asus p8z68-v pro gen3 Intel i7 2600k 120 GB OCZ Agility 3 16 GB RAM Blue Corsair DDR3 Asus GTX 570 H80 Corsair liquid cooling XFX PRO750W 80Plus bronze power supply EDIT That's why And I can't push more cause the card is on this Thank you everyone! I fixed it by pushing the mobo from the other side of the case and now it fits.

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• Prevent Java application from accessing/monitoring/altering clipboard contents

  - by mcstrother

  I'm a student using a service that provides practice questions for standardized tests. The service requires that I access the questions by downloading and running a Java application. If I try to copy anything from any window of my computer (including applications unrelated to the question bank) while the application is running, the copied item is replaced with an obnoxious message asking me to not pirate their copyrighted material. I find this obnoxious, and I also really don't like the idea that any application can slurp up any and all potentially sensitive information that I happen to copy while it's running. Is there are a way to limit the privileges of this application to stop it from doing this? Thank you!

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• How can I get a gnome environment in my VNC session?

  - by adante

  When I start VNC I have an empty desktop without the ability to manage windows or start apps etc). I'd like to have a desktop environment to be able to basic desktop things (someone asked me why I wanted this - I can't really say except that I would like my computer to be useful). My focus at the moment is basically having a working environment with as little time/effort expenditure as possible, as opposed to spending a full-time week learning the most trivial and arcane details of x, vnc, gnome or whatever passes for the current desktop architecture standard of the hour. What command or series of hoops do I have to jump to to achieve this? I have tried running gnome-session but it looks like it is attempting to run compiz and fails spectacularly. I've also tried running metacity but this simply gives me a titlebars to my windows (this is great! But I'd also like the taskbar and other stuff). I considered trying to start gnome-session in a way that it uses metacity instead of compiz. But I don't know how to do this. Tutorials on the net exist for changing to metacity - once you already have compiz running. Not so useful if compiz does not run.

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• LiveCD/USB boot issues with Ubuntu 12.04 on blank drive

  - by Richek

  Not sure how common this issue is, or even how badly I may be missing something simple, but I am a first time usuer having some serious problems. Some background: old HDD running Windows 7 developed too many bad sectors and is bricked. I'm attempting to install Ubuntu 12.04 on a fresh 1TB drive by booting from a liveCD USB flash drive. I've not been able to get past the initial menu screen, however, as the process stalls out shortly after selecting an option (both boot from drive and install to drive). I've tried multiple USB drives as well as CDs, modified the boot order, flashed BIOS, and even tried booting with only the flash drive and the keyboard connected with the same results.Typically what I observe is that the OS begins what I think is compliling, listing drivers and components before freezing on one. When the keyboard is plugged in, its the keyboard driver, before I flashed BIOS, it was a BIOS related item, now its an unknown entry. The computer seems to be reading the drive (idicated by USB light flashing or CD drive reving) for roughly 10 minutes with no progress, followed by the drives going quiet. Some spec info: Motherboard: ASUS P5Q Pro, BIOS version 2102 (latest version), Intel chipset CPU: Intel Core 2 Duo E8400 Wolfdale 3.0GHz help would be appriciated!

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• How can I extend the desktop onto an external monitor/projector?

  - by hellocatfood

  I've plugged in a projector into my laptop and I'm attempting to extend the desktop onto it (so that I can run a full screen app on the projector and have the controls on my laptop). I'm able to mirror the screens effectively (it does this by default) but I can't extend it. When I untick "Mirror screens" and press apply it asks me to log out and then back in again but it goes back to mirroring the screens. I'm able to extend desktop on to my external monitor at home, just not this projector. Is there a manual way or other way to do this other that through Monitors setting? My computer model is Dell Studio 1555: Pentium Dual Core T4300(2.1GHz,800MHz,1MB), 4096MB 800MHz DDR2 Dual Channel, 512 MB ATI Mobility RADEON HD 4570 using the ATI proprietary driver. My screen resolution is 1366x768 (16:9) The projector that it wont connect properly is a Hitachi CPX3. That page specifies that it's especially designed for projectors that use 16:10 aspect ratio, but considering my external monitor at home uses 4:3 should the differences in aspect ratio matter or be causing this error?

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• Vista: "Change date and time" causes permissions error

  - by alexsome

  I double-click on the time in the bottom right to open the date and time panel. Then I click on the "Change date and time..." button (which has a shield) and I get the UAC dialog. I click "Continue", then am presented with an error that reads: Unable to continue You do not have permission to perform this task. Please contact your computer administrator for help. I will mention I have Comodo installed, but I have turned it off to test this out and I get the same results. All that I've found while googling were suggestions to turn UAC off, but I am interested in learning what the actual problem is. Thanks in advance.

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• Installing Oracle11gr2 on redhat linux

  - by KItis

  I have basic question about installing applications on linux operating system. i am going to express my issue considering oracle db installation as a example. when installing oracle database , i created a user group called dba and and user in this group called ora112. so this users is allowed to install database. so my question is if ora112 uses umaks is set to 077, then no other uses will be able to configure oracle database. why do we need to follow this practice. is it a accepted procedure in application installation on Linux. please share your experience with me. thanks in advance for looking into this issue say i install java application on this way. then no other application which belongs to different user account won't be able use java running on this computer because of this access restriction.

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• How do I troubleshoot system slowness seen when viewing PDFs or videos?

  - by asp

  Whenever I watch videos, either online of local via Totem and/or open PDF files using evince. The system gets really, really bogged down. All apps get really slow, menus take forever to display, switching windows gives me time to make a coffee, etc. I have a couple of bug reports open on this, but what do I need to do to really troubleshoot the issue? I've purged Adobe Flash from the system, but YouTube HTML5 videos still have the issue. A bunch of PDFs saved locally trigger the problem. And to (temporarily) remove the slowness, I need to shutdown the computer, breath for a few minutes, then restart. A simple reboot does not do the trick. How can I identify the cause? This only started on 13.04. I've had Ubuntu on this machine for a year without a problem until "upgrading" to 13.04. I am not a programmer, but I suspect an issue with the Intel video driver. Is there something I can run which will diagnose this, or are there concrete steps I can follow to find the culprit?

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• Enable System Beep in Ubuntu

  - by Melissa W

  I have tried and tried to get the system beep working, but with no success. I have selected System--Sound--System Beep--Enable Audible Beep (from the Gnome Desktop) I have tried from a Terminal window Edit--General Tab--Selecting terminal bell checkbox I have tried entering modprobe pcspkr at the command line. Trying echo -e '\a' or using the beep application - Nothing works! I know my hardware speaker works, because if on startup the battery is low it will beep. Update: It is a laptop computer. It is an IBM Thinkpad, iSeries. I did look at the modprobe blacklist, and pcspkr was not listed.

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• Is there a way to only require password on waking from sleep and not on screensaver (In Snow Leopard

  - by Vitaly Kushner

  I hate it when it asks me for password when I'm at home getting away from a computer for a while. I do like it having a screensaver though. But for some reason I see that password settings for the screensaver is merged with the password settings for waking from sleep. And waking password is an essential security feature for me. Essentially when Im not in a secured environment I close the lid when going away from the laptop even for a minute, but at home I want it to stay open. Is there a way to have it ask for password only after sleep and not after screensaver?

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