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• Freezing with black screen after booting OS with AMD Catalyst driver

  - by Oleg

  I have ATI Mobility Radeon HD 5470 on my HP laptop. A few weeks ago I was confused with a weird trouble in proprietary drivers for my graphics card. When I start X server (or just boot Windows) system sometimes totally hangs up with black screen. The most annoying thing is that issue appearing is absolutely random (2 success, 3 fails, 1 success, 7 fails, etc.). It appears both on Linux (Arch, Debian 7) and Windows XP. I've tried reinstalling OS, drivers, etc. I've also tried updating BIOS. Then boot was successful for the next few times and issue appeared again (probably it was just a coincidence, because another BIOS updates gave no results). I really don't know what to do. Any ideas?

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• How do I use a virtualbox guest machine as a gateway?

  - by Igor Zinov'yev

  I have a certain problem. I am working on an Ubuntu machine, but I have to use a windows 2003 server guest to connect to a Stonegate VPN to be able to manage our client's website. I have already asked if I could connect to a Stonegate VPN in Ubuntu, but so far got no answer. And I couldn't connect to it using network manager's strongswan plugin. So I want to use my guest Win2003 as a gateway to be able to SSH to the remote server. Is that possible? Thank you very much in advance, if this is possible in any way, it will save me a lot of trouble!

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• Configuring NAT and static IP on Cisco 877W

  - by David M Williams

  Hi all, I'm having trouble setting up a static IP reservation on a network. What I want to do is assign IP 192.168.1.105 to MAC address 00:21:5d:2f:58:04 and then port forward 35394 to it. If it helps, output from show ver says Cisco IOS software, C870 software (C870-ADVSECURITYK9-M), version 12.4(4)T7, release software (fc1) ROM: System bootstrap, version 12.3(8r)YI4, release software I have done this - service dhcp ip routing ip dhcp excluded-address 192.168.1.1 192.168.1.99 ip dhcp excluded-address 192.168.1.200 192.168.1.255 ip dhcp pool ClientDHCP network 192.168.1.0 255.255.255.0 default-router 192.168.1.1 dns-server 192.168.1.1 lease 7 ip dhcp pool NEO host 192.168.1.105 255.255.255.0 hardware-address 0021.5D2F.5804 ip nat inside source static tcp 192.168.1.105 35394 <PUBLIC_IP> 35394 extendable However, the machine is getting assigned IP address 192.168.1.101 not .105 ... any suggestions? Thanks !

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• PERC 5/i Enable alarm on disks failures

  - by Andy M

  I'm trying to enable one the alarm of my server's raid controller PERC 5/i. Using this documentation, under the chapter Audible Alarm Warnings, it's explained that enabling an audible alarm is allowed in order to quickly spot failures on my hard disks. My trouble is that when entering the disk controller configuration (Ctrl+R at boot time), I'm able to set up lot of things but I cannot navigate to Enable Audible Alarm. I have : Enable Controller BIOS Enable Alarm Enable BIOS stop on Error I can navigate with my arrow keys to both the first and third items, but I cannot navigate to or select the second! It's not greyed out, and seems like I should be able to select go on this entry, but my cursor keep skipping it. Any ideas about what I'm missing here?

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• Stunnel too many clients

  - by davidsmalley

  I'm trying to hook up stunnel and haproxy to forward https connections through to some backend servers. I've got haproxy setup right, and I seem to have stunnel set up right. Trouble is that when I hit the setup with a load test after a while I start to see these log entries: 2010.05.05 11:24:43 LOG7[3498:3086792368]: https accepted FD=512 from 10.195.158.225:52579 2010.05.05 11:24:43 LOG4[3498:3086792368]: Connection rejected: too many clients (=500) I guess I've hit a limit somewhere but I wasn't sure how to fix it, there doesn't seem to be a config file option for stunnel to change this. Does anyone know how to configure stunnel for a potentially large number of connections?

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• How to talk to a virtual host on a guest OS?

  - by Bernd

  Let's say there is a host OS (Mac OS X) and a virtual machine running Ubuntu as guest OS. The guest OS has the IP 192.186.56.101 and some virtual hosts, e.g. ubuntu.server So, how to really map a request to the virtual host ubuntu.server on the guest OS? I tried: Configure the host OS in /etc/hosts to map ubuntu.server to 192.186.56.101 On the guest OS we have the trouble. It accepts the request for 192.186.56.101 which is not ubuntu.server and therefor the ubuntu.server virtual host will never be requested. Just the localhost on the guest OS. It might surely be possible to simply then use 192.168.56.101. But this would only work for one host per guest OS. Any idea? Or is there a bug in my train of thoughts?

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• Running Python scripts in a browser

  - by sunwukung

  I want to start learning Python - and I'm having trouble getting scripts to load up in a browser (using Wamp). So far I've tried the following: 1: add the following lines to httpd.conf: AddHandler cgi-script .py Options ExecCGI I navigate to localhost/path/to/script/myscript.py but get an Internal Server error. 2: downloaded mod_wsgi-win32-ap22py26-3.0.so - renamed to mod_wsgi (running Wamp with Apache 2.2) added the following lines to httpd.conf AddHandler mod_wsgi .py WSGIScriptAlias /wsgi/ "path/to/my/pythonscripts/folder/" but when I navigate to the script - it renders the script in it's entirety i.e. #!c:/Python26/python.exe -u print "hello world" I managed to get CherryPy working, but ideally I want to learn the language in a relatively raw context before digging into a framework. Can anyone give me some pointers?

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• What steps put my bash prompt commands into vim and then back again to bash to execute?

  - by xtian

  I've enabled VIM style editing of bash commands at the bash prompt as default bash setting. On a few occasions I've accidentally opened a blank vim file with some complex bash command I was writing. Awesome. How do I get the newly written line in vim back into bash? I found another post where the author had the opposite trouble--or so it seems. What steps put my bash prompt commands into vim and then back again to bash to execute?

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• Fujitsu siemens V6535 - crash when going standby ?

  - by marc

  Welcome, I trouble with my laptop fujitsu siemens model V6535. My siemens work under Windows 7, and from upgrade time (vista to 7) notice something what make me really angry. When my siemens go to standby mode (when i don't use it for some time), power diode change to red and start blinking (standbay mode). When i push power button (wake up it), blinking diode change to green but nothing else happend (nothing on display, no sound of HDD). When i press power button few second and try turn it on again... it wont display anything... i have unplug charger and then shutdown and power on again without power cable. Then he start working... Few days ago i done upgrade bios to nevest version... but it don't help... Anyone have idea what can be wrong ?

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• Homebrew requires something uninstall-developer-folder removes

  - by Blacklight Shining

  I was having trouble installing irssi (brew install irssi), so I ran brew doctor, which returned a warning mentioning an outdated copy of Xcode and saying I should run /Developer/Library/uninstall-developer-folder. Then I ran brew doctor again and got: Error: No such file or directory - /Developer/SDKs/MacOSX10.6.sdk How do I reinstall the SDK, or is there another way to get Homebrew working again? UPDATE: /Developer actually still exists (despite the obvious implication of uninstall-developer-folder), as does /Developer/SDKs/MacOSX10.7.sdk. Why does Homebrew specifically need Snow Leopard's SDK?

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• VPN and Bonjour conflicting

  - by JW.

  Does anyone know why a VPN connection might interfere with Apple's Bonjour? I've noticed that my Mac and various iDevices have trouble finding each other on my local network, when I have VPN connections open. Things like Home Sharing and Wi-Fi Sync work some of the time, but sometimes fail to find the other device. The VPN connections are made using IPSecuritas, which is a GUI around raccoon. I have the local "endpoint mode" set to Host. Apple mentions that Home Sharing may conflict with VPNs, but they don't specify why, or how to fix it. I'm using a Mac with OS 10.7.3 and IPSecuritas to connect to the VPN, an iPhone, and an iPad.

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• Wake timers don't wake computer from sleep mode

  - by Joe

  I'm got a custom built PC running 64 bit Windows 7 Ultimate. So far everything works great except for one thing: it will not wake up from sleep mode for a wake timer or scheduled task. Sleep mode itself works great. If it's sleeping, it wakes successfully when I press the power button, mash the keyboard, wiggle the mouse, or send a WOL packet. The only problem is wake timers. I even tried the program WakeupOnStandBy but it looks like that uses wake timers, so it doesn't do anything for me either. And yes, wake timers are enabled: Any ideas on how to fix the problem, or troubleshoot it? I'd imagine that there would be a log somewhere telling me exactly why the wake timers are having trouble, but if there is I haven't found it.

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• Windows 7 pricing

  - by bwerks

  I'm having trouble wading through Microsoft's marketing information. Does anyone know if Windows 7 x86 to Windows 7 x64 is a valid upgrade path? I know you can't actually use the built-in "upgrade" installation path; this is more of a licensing question. Although that may have answered my own question: is this idea even possible? Or do "upgrade" versions of Windows function only when executed from inside the OS, and not when doing fresh installs? Thanks!

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• Sudo yum seems to fail on CentOS, but works fine after sudo -i

  - by Aron Rotteveel

  I am currently having some trouble with yum through sudo. For some reason, it does not seem to work: aron@graviton [/var/log]# sudo yum clean all There was a problem importing one of the Python modules required to run yum. The error leading to this problem was: /usr/lib64/python2.4/lib-dynload/datetime.so: failed to map segment from shared object: Cannot allocate memory Please install a package which provides this module, or verify that the module is installed correctly. It's possible that the above module doesn't match the current version of Python, which is: 2.4.3 (#1, Sep 3 2009, 15:37:37) [GCC 4.1.2 20080704 (Red Hat 4.1.2-46)] If you cannot solve this problem yourself, please go to the yum faq at: http://wiki.linux.duke.edu/YumFaq The strange thing, however, is that it works fine when I gain root privileges through sudo -i first. Any ideas what might be causing this problem?

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• Fedora vs Ubuntu to host Subversion and Bugszilla over Apache

  - by Tone

  I'm not interested in a flame war of Ubuntu vs Fedora vs whatever. What I am interested in is whether or not I should move my current Ubuntu server to Fedora. I have been able to get Subversion setup and hosted via Apache over https and it works quite well (I'm a .NET guy so this was all new to me). I'm having trouble though with installing Bugszilla - have run into some issues getting all the perl scripts to run successfully so my questions are: 1) Will Bugszilla will install easier on Fedora? Can I just install a package instead of having to download the tar.gz file and untar it, run perl scripts, etc. 2) Is Fedora considered to be a better production server system? I have no desire for a GUI, just need it to host Subversion, Bugzilla over Apache2, and act as a file and print server for my home network.

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• Trucrypt or any HDD encryption solution with a bypass?

  - by sorrrydoctorforlove

  Hello experts, in my environment here we have started using trucrypt to encrypt and protect our laptops that are being brought out of the office. The issue comes with the password, we can document the passwords and assign them to users but if they simply use the program to change the password, and then forget it we are in trouble. We backup our data to external locations so it should be fine, but is there any way to install a bypass to be able to boot the laptop or stpo users changing their password (while they have local admin access)? Or should we try another solution? thanks.

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• Windows 7 upgrade licensing

  - by bwerks

  I'm having trouble wading through Microsoft's marketing information. Does anyone know if Windows 7 x86 to Windows 7 x64 is a valid upgrade path? I know you can't actually use the built-in "upgrade" installation path; this is more of a licensing question. Although that may have answered my own question: is this idea even possible? Or do "upgrade" versions of Windows function only when executed from inside the OS, and not when doing fresh installs? Thanks!

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• Problem opening XWindows programs with xming and SSH Secure Shell

  - by Brian

  I've installed SSH Secure Shell and xming on my laptop running Windows 7 (64-bit). I'm having trouble starting X Windows applications from the SSH console. I've been able to do it in the past. I've pretty much determined that it's not a server issue because I've tried it on two different servers (both servers are running RHEL 5). Running "echo $DISPLAY" on either server gave me "localhost:10.0". My XLaunch configuration settings are: Multiple Windows, 10 (display number), and Start no client. Once xming has launched, I'll try to execute something like "firefox" and I get this back: The application 'firefox' lost its connection to the display localhost:10.0; most likely the X server was shut down or you killed/destroyed the application. I've already checked to make sure that the X server is running and it is: root 12579 2689 0 Feb14 tty7 00:04:23 /usr/bin/Xorg :0 -br -audit 0 -auth /var/gdm/:0.Xauth -nolisten tcp vt7 Additionally, X11 Tunneling has been enabled in SSH as well as SSH 2 connections.

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• PECL on Mac OS X 10.6

  - by Rowan

  I'm having trouble finding PECL on a Mac OS X 10.6 machine. I'm using the default install of Apache and PHP for development and have installed MongoDB, however I can't work with Mongo/PHP without the mongo PECL extension. Is there a copy of PECL on a Mac or will I have to install it? If so, where is it? If not, do you know of a good tutorial for getting it up-and-running? I've tried the obvious stuff: sudo find / -name "pecl" -print returns nothing Thanks very much

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• Is there a VNC server for mac with decent international keyboard support?

  - by Stephan

  Hi, I'm having trouble finding a VNC server for Mac OS X that allows me to connect from a Windows box with German keyboard layout. I've tried the built-in desktop sharing and several versions of Vine but all of them had problems with several keys. Does maybe anyone know about a working combination of a Mac OS X VNC server and Windows VNC client which properly supports a German keyboard layout on the client? Update: I don't think the Windows client is the problem, because I have no issues connecting to Linux boxes. And I've tried several different clients.

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• best data+partition recovery software

  - by Pennf0lio

  I accidentally formatted my Drive D that contained all my Backups and Documents. I separated my files to my Drive D hoping I will not harm my files. Since I use Acronis Recovery to Install a new OS with some pre-installed application to my HDD I didn't realize I also formated/erase my Drive D. Now my drive D is unpartitioned. I am really in really in deep trouble and would need some urgent help, Please recommend a Software that at least can restore my Old Drive that contained my files. I'm assuming most of you think this is a duplicate of some old questions here, But I'm not looking for data recovery, I need to recover the whole partition with the files. I used to use "Recuva" but It only recovers files not the whole folders with the files in it. Please advice. Thank You!

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• Plus signs appearing in Google searches

  - by emddudley

  Ever since Google implemented their new look at the beginning of May, I have been having trouble with their search engine changing all of the spaces in my query to plus signs. This behavior occurs when I use the search box in both Firefox and Internet Explorer. For example, if I search for google search plus signs I am taken to the following URL, where google+search+plus+signs is in the search box. http://www.google.com/search?q=google+search+plus+signs&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a However if I perform the search from google.com, I get taken to a different URL with google search plus signs as I'd expect: http://www.google.com/#hl=en&source=hp&q=google+search+plus+signs&aq=f&aqi=g1&aql=&oq=&gs_rfai=&fp=d2a3ca21987adb1 Do I need to update my browsers or something?

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• Can't communicate using PuTTY, but can with Termite

  - by SharpHawk

  I'm trying to establish a serial connection to a peripheral from my PC's RS-232 port. Pretty simple stuff, and I've had not trouble doing it with countless peripherals before. And yet when I configure PuTTY to the right baud rate, stop bits, etc. I'll type in "*IDN?", press enter, and the unit won't reply. After going over my settings over and over again, I decided to try another terminal program, Termite. This time it worked like a charm. What puzzles me, and what I'm trying to figure out by posting this question, is why Termite would work when PuTTY did not despite the fact that they both have the same settings. PuTTY: http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html Termite: http://www.compuphase.com/software_termite.htm EDIT: I now tried Tera Term as well, and it works. So PuTTY is the odd one out.

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• Fedora vs Ubuntu vs Debian to host Subversion and Bugzilla over Apache

  - by Tone

  I'm not interested in a flame war of Ubuntu vs Fedora vs Debian vs whatever. What I am interested in is whether or not I should move my current Ubuntu server to Fedora or Debian. I have been able to get Subversion setup and hosted via Apache over https and it works quite well (I'm a .NET guy so this was all new to me). I'm having trouble though with installing Bugszilla - have run into some issues getting all the perl scripts to run successfully so my questions are: 1) Will Bugszilla will install easier on Fedora or Debian? Can I just install a package instead of having to download the tar.gz file and untar it, run perl scripts, etc. 2) Is Fedora or Debian considered to be a better production server system? I have no desire for a GUI, just need it to host Subversion, Bugzilla over Apache2, and act as a file and print server for my home network.

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• How to associate a domain name and IP address?

  - by StackedCrooked

  The situation is as follows: I am renting a dedicated server using SliceHost. On this server I have installed a small HTTPServer. I can verify that it works by nativating directly to its IP address (example). I have also purchased a domain name from gandi.net and would like to link it with to my server. However, I'm having much trouble finding clear instructions on how to create this link. After a few hours of reading documentation and trying out things I ended up the following configuration. on the DNS registrar I have specified the following settings: on the Slicehost server I specified these "records": But it doesn't seem to work. I end up on this page telling me the domain name is not available. Does anyone have an idea what I am doing wrong?

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