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• Wireless WAN (WWAN) on a Lenovo T500 - built-in or do I need a WWAN modem?

  - by Justin Grant

  I use a Lenovo ThinkPad 2055-3AU at work and I want to get a Wireless WAN data plan with a local mobile telecom provider. I've read conflicting reports online about whether my system is "WWAN-ready" or not. How can I find out which wireless WAN providers (if any) my system can support without buying a separate modem? I looked through Device Manager for anything resembling a WWAN device and didn't see anything, but I also wiped the machine when I bought it and clean-installed Windows 7 with only out-of-the-box Windows and Windows-Update drivers, so it's possible that the device is there but the drivers aren't installed. FWIW, the support page at http://www-307.ibm.com/pc/support/site.wss/quickPath.do?quickPathEntry=20553AU does not specfically list anything about Wireless WAN.

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• Remembering sharepoint password in Internet Explorer 8

  - by enableDeepak

  I am using IE8 to open a sharepoint portal on local network. Initially, I clicked on remember password after passing domain credentials. However, now I want sharepoint to ask credentials again. I've tried many options - Deleted all cookies, IE Security Tab Form Autocomplete Deleted everything. Restarted my machine. And all I could do. Still, when I open portal, sharepoint logs me in automatically. What should I do to make IE ask for credentials again?

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• How to reference a git repository?

  - by Anonymous

  What should the actual path to a git repository 'file' be? It's common practise when cloning from github to do something like: git clone https://[email protected]/repo.git And I'm used to that. If I init a repo on my local machine using git init, what is the 'git file' for me to reference? I'm trying tot setup Capifony with a Symfony2 project and need to set the repository path. Specifying the folder of the repository isn't working. Is there a .git file for each repository I should be referencing?

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• ssl_error_rx_record_too_long error on IIS - site was working, suddenly stopped

  - by JK01

  I am suddenly getting this error connecting to localhost IIS on my development machine. It has been working fine for ages, and now suddenly has this error in Firefox: Secure Connection Failed An error occurred during a connection to localhost. SSL received a record that exceeded the maximum permissible length. (Error code: ssl_error_rx_record_too_long) I have googled and found no clear explanation. In IE it says: Internet Explorer cannot display the webpage\ In Chrome it says: Oops! This link appears to be broken.

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• load syntax as per file prefix

  - by Richo

  Firstly, I hope that this is the right place. I couldn't decide between here and superuser. My home directory lives in an svn repo. all my dotfiles are in version control so that I can track them across multiple machines, and they all source an unversioned .local (ie, .screenrc.local, .vimrc.local etc) which can override/make local changes to the environment in a machine specific way. The problem is that vim understands how I want to edit many of these config files, but loses it's mind when I open a .local, and honestly, I'm not really sure what it does to work out how to syntax highlight etc a file like .screenrc the pseudocode for what I'm after is: if OpenedFile.ends_with(".local") behave_as_per OpenedFile[0:-6] endif I hope this makes sense and hopefully someone can shed light on whether or not this is possible.

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• How do I get rid of sockets in FIN_WAIT1 state?

  - by Gert M

  I have a port that is blocked by a process I needed to kill. (a little telnet daemon that crashed) The process was killed successfully but the port is still in a 'FIN_WAIT1' state. It doesn't come out of it, the timeout for that seems to be set to 'a decade'. The only way I've found to free the port is to reboot the entire machine, which is ofcourse something I do not want to do. $ netstat -tulnap | grep FIN_WAIT1 tcp 0 13937 10.0.0.153:4000 10.0.2.46:2572 FIN_WAIT1 - Does anyone know how I can get this port unblocked without rebooting?

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• Virtualbox, merging snapshots and base disk

  - by Henrik

  Hi, I have a virtual machine with about 30 snapshots in branches. The current development path is 22 snapshots plus the base disk. The amount of files is seemingly having an impact now on IO and the dev laptop I'm using (don't know if it is host disk performance issues with the 140GB total size over a lot of fragments, or just the fact that it is hitting sectors distributed across a lot of files). I would like to merge the current development branch of snapshots together with the base disk, but I am unsure if the following command would produce the correct outcome. I am not able to boot this disk after the procedure completes (5-6 hours). vboxmanage clonehd "C:\VPC-Storage\.VirtualBox\Machines\CRM\Snapshots\{245b27ac-e658-470a-b978-8e62137c33b1}.vhd" "E:\crm-20100624.vhd" --format VHD --type normal Could anyone confirm if this is the correct approach or not?

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• Kill UDP port that has no process?

  - by Chocohound

  I can't bind to UDP port 500 from my code (yes I'm running w/ sudo). The port is reported as "already in use" (Mac os X), but doesn't have an associated process: $ sudo netstat -na | grep "udp.*\.500\>" udp4 0 0 192.168.50.181.500 *.* udp4 0 0 192.168.29.166.500 *.* But sudo lsof doesn't show a process on port 500 (ie sudo lsof -i:500 -P reports nothing). How can I unbind port 500 so I can use it again? I believe I have a bad VPN client that isn't cleaning up after itself, but I can't get rid of this without rebooting the machine.

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• ssh freezes when trying to connect to some hosts

  - by NS Gopikrishnan

  When I try to ssh to particular machine/s in a list, The SSH command happens to be freezing. I tried out setting ssh timeout. But then also it's freezes even after the timeout. In verbose mode : OpenSSH_3.9p1, OpenSSL 0.9.7a Feb 19 2003 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug1: Connecting to x358.x.server.com [10.x.x.x] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /export/home/sqlrpt/.ssh/identity type -1 debug1: identity file /export/home/sqlrpt/.ssh/id_rsa type -1 debug1: identity file /export/home/sqlrpt/.ssh/id_dsa type 2 At this point it freezes. A work around I thought was to create a child process for each ssh calls and if the process doesn't respond after a timeout - Kill it. But are there any less complex ways, so that I can accommodate it in a shell script itself rather than going for a C/C++ program ?

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• Active Directory password update not recognized on OS X 10.7.3?

  - by eaj

  We have a few Macs in our office which are bound to our Active Directory (Server 2k8R2) domain for login authentication and access to file shares. For the most part this has worked without trouble. I recently changed my AD password (from the Windows box that is my main desktop machine), and my iMac still wants my old password for logins—even after a reboot. It correctly prompts for the new password when I attempt to connect to Windows smb file shares. The last time I changed my password, the iMac was running Snow Leopard and picked up the password change as expected. I'm a little bit of an OS X n00b, so I apologize if this should be obvious. My searching has turned up numerous issues people have had with Lion and Active Directory, but not this particular problem. Possibly related, we do have mobile accounts enabled for AD in the Directory Utility options. I assume this causes credentials to be cached locally, but it's not clear to me how to get them to update.

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• Ubuntu 12.04 issue installing Webmin modules (file does not exist)

  - by Arthur

  I'm running ubuntu 12.04. On this machine I have Webmin 1.580 installed. When trying to add a new module to Webmin I receive an error: "Failed to install module from : File does not exist" This happens when i go to Webmin Configuration Webmin Modules Select "Third party module from" Select "OpenVPN admin tool" and clicking on install module After I selected "OpenVPN admin tool" this url is being added: http://www.openit.it/downloads/OpenVPNadmin/openvpn-2.5.wbm.gz This URL resolves to a correct file. When uploading the file directly, the same error occurs. In the log file: /var/webmin/webmin.log nothing special is reported. How can I fix this issue? P.s. I run this server in CLI mode

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• Laptop crashes when connecting to external harddisk

  - by Gnot

  I recently had a problem with my laptop. when I booted up the machine, I would get a SMART failure error message and when I pressed F1 to continue, it would take a very long time to boot and it would come back to the same error message again. Thinking that my hard disk was dying, I bought a new hard disk and installed on my laptop and so now my laptop is alright. However I need to recover data from that old hard disk, so I bought an external hard disk case and placed the old hard disk onto the case and connected to my laptop with USB. The first few times when I connected, I could see the files from the old hard disk and managed to copy some files over although it took extremely long to transfer. But now whenever I connect to the old hard disk, after a few minutes, my laptop will crash and re-boot. Do you think my old hard disk is dead beyond repair? Or you can offer some help here? Any assistance would be appreciated!

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• Get the MAC addresses of all the machines connected to a LAN when NO machines have got an IP address yet

  - by JtheRocker

  Here is the real scenario. I have say 4 machines not having any IP address yet connected to a switch. In one of the machines (OS=CentOS), I would install a DHCP server and would provide the other machines IP addresses. Prior to assigning them IP addresses, I need to get the MAC address of each of the machines that I would assign IP addresses to. So, my question here is how to I get the MAC addresses of all the machines connected to a switch when NO machine has got any IP address yet? It's mandatory for my use case that I won't be having any IP addresses before the MAC addresses. -Thanks

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• Is there a "restore point" in Linux (Debian/Ubuntu) like Windows?

  - by Somebody still uses you MS-DOS

  I'm working directly in an Ubuntu Virtual Machine (VM). Some updates (like kernel) were available at the update manager. If I weren't using a VM, I wouldn't update it since it's a risk to break something. Since it's a VM, you can create a Snapshot or export an appliance and restore if something goes wrong. Suppose I'm not using a VM with a Debian/Ubuntu installation. Is there a install-restore approach that doesn't depend in a VM configuration to restore your system exactly before an upgrade (Like a "Restore Point" in Windows), being easy to restore like a VM appliance? (I'm not looking for "ghost images" or something like that (Norton Ghost, Clonezilla, etc), I'm looking for something builtin in the Linux System)

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• Backup Solr home

  - by user226188

  I'm new to Solr: I've successfully installed Tomcat and Solr 4.3.1 webapp, and two collections on a CentOS 6.4 machine. Now, my server is in production and I need to make backups of solr. So, I would like to know what is the best way to backup solr... For the moment I'm dooing: stop tomcat = tar of my solr home = start tomcat, but I've read that is not a good solution? Moreover, this implie to stop all the tomcat which have other webapps than solr. I've also heard that there is a script named "backup" in solr home bin's folder ? but my bin folder is empty :( I don't want to make an another slave server with replication, for me it's not a backup solution because my backup are supposed to be send to a bacula backup server all nights. There is no builtin solution that I can work around to make a script ? like a mysqldump for Mysql servers. Thanks for help !

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• How can I clear the "authentication cache" in Windows 7 to a password protected samba share?

  - by Chris Drumgoole

  I have a Linux samba server and have explicitly listed users that can access the folder. I have successfully congfigured Samba to require a username and password when accessing the share from windows (using the smbpasswd, etc.). But now I want to force clear the auth cache on the windows machine. Such as when I go to a colleague's computer, I use my account to access a file in the protected share, but then before I leave his computer, i'll want to make sure the authorization cache is cleared so he cannot access that folder with my credentials. I found the command to use in the windows command prompt on google a couple of weeks ago but silly me I didn't save it... Hope someone can help, thanks! Oh, Samba is configured as a workgroup and not a domain (if that helps) - so windows users do NOT log into a domain on start up. thanks!

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• Explorer fails to load with UAC enabled

  - by user37679

  While running an InstallShield based installer, my Windows 7 machine became unresponsive. After forcing a reboot, I can log in to the system, but explorer does not run. I can log in as a different user without issue and when I change UAC to its lowest setting, I can log in as the user that was performing the install. However, if I re-enable UAC, I am unable to get explorer to run again on login. I have checked the HKCU\Software\Microsoft\Windows\CurrentVersion\Run and RunOnce, but don't see anything that isn't configured to run on startup. I completed the installation of the software as the "good" user without issue.

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• Mac webcam photo application with access to camera settings (resolution, camera selection, color balance, focus)

  - by Pascal T.

  Does anyone know about a webcam photo application (ie an alternative to photo booth) with would allow to change the settings on the camera, such as : Select camera (I.e I want to use an external webcam) Change camera resolution (with photobooth change camera settings (I.e autofocus, aperture, color balance, etc..) I did a lot of research on the internet with no success. I am looking for a very simple app (such as wmcap.exe on Windows) What I tried so far: photo booth: it works with an external camera, however there is no way to change the resolution, or the color/focus settings manycam : a virtual webcam driver. you can add special effects to your camera and transfer those effects to any app, but not change your camera settings... iGlasses : enables you to change the camera settings inside photo booth and other apps. However you cannot control the focus, nor the video resolution macam (did not work on my Mac book Pro) Does anyone know better than me? Note : my only solution now is to launch a virtual machine (with parallels desktop) and take the pictures from there!

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• Microsoft Wireless Keyboard 3000 v2.0 not working, but paired Wireless Mouse 5000 on same receiver does?

  - by John Straka

  I have a Microsoft Wireless Keyboard 3000 v2.0 that was bought paired with a Microsoft Wireless Mouse 5000. They're both Bluetooth and use the same receiver. The keyboard no longer works. The receiver is fine, as the mouse still works. The keyboard is still detected by Windows when the receiver is plugged in. The batteries have been replaced. There are no on/off switches on the keyboard or mouse, and no re-sync button on them or the receiver. Results are the same when using the receiver in a different USB port, or on a different machine. Anything else I might try to fix this, or should I hold a funeral for the keyboard?

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• Can I remotely monitor printf results of a C program?

  - by Mota

  I have a long running C program in which I've started from the Terminal.app using: gdb program_name gdb run I'm using many printf statements to monitor the progress of the program. Unfortunately, the screen of the computer has been frozen since yesterday, but the process is still running. My question is, can I watch the progress of the program (i.e. the results of the printf statements) remotely? I'm not that familiar with the terminal, but I know how to ssh and do some simple terminal tasks. The OS of the machine with the frozen screen is Mac OS 10.6.

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• SQL Server 2012 Installation Hangs

  - by Rivka

  We have a Windows 8 machine that we installed SQL Server 2005 on first. We then uninstalled it and installed SQL Server 2012 - unsuccessfully. The installation wizard hung at the point where it says: SqlEngineDBStartConfigAction_install_configrc_Cpu64 The event log showed the following error: The SQL Server (MSSQLSERVER) service terminated with the following service-specific error: WARNING: You have until SQL Server (MSSQLSERVER) to logoff. If you have not logged off at this time, your session will be disconnected, and any open files or devices you have open may lose data. We got the same error while trying to start the service. We tried uninstalling and re-installing but faced the same issue. Any help would be appreciated.

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• Quadcopters Play Catch [Video]

  - by Jason Fitzpatrick

  Working like a group of hive-minded bees, these quadcopters come off as almost playful with their ball throwing antics. Courtesy of the folks at the Swiss Federal Institute of Technology in Zurich’s Institute for Dynamic Systems and Control, we’re treated to a video of three quadcopters playing catch in the research facility’s Flying Machine Area. They explain the processes demonstrated in the video: This video shows three quadrocopters cooperatively tossing and catching a ball with the aid of an elastic net. To toss the ball, the quadrocopters accelerate rapidly outward to stretch the net tight between them and launch the ball up. Notice in the video that the quadrocopters are then pulled forcefully inward by the tension in the elastic net, and must rapidly stabilize in order to avoid a collision. Once recovered, the quadrotors cooperatively position the net below the ball in order to catch it. Because they are coupled to each other by the net, the quadrocopters experience complex forces that push the vehicles to the limits of their dynamic capabilities. To exploit the full potential of the vehicles under these circumstances requires several novel algorithms, including: HTG Explains: How Antivirus Software Works HTG Explains: Why Deleted Files Can Be Recovered and How You Can Prevent It HTG Explains: What Are the Sys Rq, Scroll Lock, and Pause/Break Keys on My Keyboard?

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• VIsual Studio SP1 Fatal Installation Error

  - by user39593

  I have visual studio 2008 professional installed. I want to install SP1. When I try and install SP1 the following happens. MSI (s) (20:E4) [15:40:00:165]: Product: Microsoft Visual Studio 2008 Professional Edition - ENU - Update 'KB945140' could not be installed. Error code 1603. Additional information is available in the log file C:\Users\bjbell\AppData\Local\Temp\Microsoft Visual Studio 2008 SP1_20100609_151708728-Microsoft Visual Studio 2008 Professional Edition - ENU-MSP0.txt. My machine is running Windows 7 Enterprise 64bit.

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• Locale number formatting issue windows 2008

  - by kris

  On a project we have multiple servers running windows 2008. The servers are using the Russian locale. We have several programs that use floating point numbers but the fractional part of the number on SOME servers is getting truncated. Through the regional settings each machine has: Locale: Russian Current Location: United States Decimal Symbol: . (period) I've tried distributing the changes through "Copy Settings" and even though the procedure works it seems like the settings aren't actually being propagated. So next I went into the registry. There is a key called "sDecimal" and in all cases on all servers the value in the key is '.' There is no difference that I can find between the servers that DO have correct decimal formatting and DO NOT. Any advice on where I can look for a problem like this?

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• Samba file shares - ownership of folder accessible for 1 group verified by MS active direcctory

  - by jackweirdy

  I have a machine set up to share a folder /srv/sambashare, here's an exerpt of the config file: [share] path = /srv/sambashare writable = yes The permissions of that folder are set at 700 and it is owned by nobody:nogroup at the moment. The problem I face is probably a simple one but I'm fairly new to Samba so I'm not sure what to do. The contents of the share should be accessible to a particular user who will authenticate with domain credentials, checked against Active Directory by kerberos. I haven't got kerberos configured yet as I wanted to test the share as soon as samba was configured, albeit basically, to ensure that it works. I've noticed that I can only access & write to the share when the folder is either owned by the user logging in or made world writable. The key issues are that this folder can't be world writable as it contains sensitive stuff, but at the same time can't be owned by a user or group since they come from the AD server. Anyone know what I should do?

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