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• 3CX behind UT7.1 using a callcentric.com SIP account

  - by Corey

  Has anyone had any luck with getting 3CX working behind UT7.1 with a SIP account from callcentric.com? I am willing to reset my current UT box back to defaults, and start from there. I have a static public IP assigned to the external interface. My internal addressing is 192.168.76.0 . My 3CX box has 192.168.76.17 . Would anyone be willing to give me a step by step of changes to make in UT / 3CX. I currently have my UT box unplugged, and have replaced it with a Linksys unit. I have port forwarding setup for… TCP/UDP 5060 to 192.168.76.17 UDP 9000-9049 to 192.168.76.17 … and everything works great. I also have additional external IPs available if that helps.

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• Keyboard freezes / stuck if a key pressed repeatedly

  - by Aziz Rahmad

  I use Acer 4530. This problem has happened long since Ubuntu 10.10 and now that I use 11.04 dual booted with Linux Mint 10. Everytime I press one key repeatedly, like when I read a long article in a website/ebook or when I play games which required me to press arrow keys repeatedly, it would randomly freeze. That is, whatever I press on keyboard has no effect, and that also happens with touchpad. However, the USB mouse works just fine. I later found out that it's not actually freeze but more like it's like the key stuck. For example when I play tetris which I usually press w (down) button repeatedly, after some times it would freeze. And if I put the cursor in, say, browser's address bar, it would type "wwww....." infinitely. The only way I could fix it is by suspend the laptop, either by using mouse or by closing the lid. And instead of suspended, in that case the laptop would automatically wake up and everything will be fine. (Usually my laptop would wake up after suspended by pressing any key) It has happened since the first time I use Ubuntu, 10.10, and it also happens in Linux Mint 10, and until now in Ubuntu 11.04. It never happened when I use Windows, though. Anyone has ever encounter similar problem? Anyone know how to fix it permanently? UPDATE I just recently installed Windows 7 and Windows 8 Development Preview and both have similar symptoms. So I declare that this problem is not OS specific, probably hardware problem.

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• How do I stop ubuntu from detaching minimize/maximuze/close buttons?

  - by Shahbaz

  Some time ago I managed to get ubuntu to keep the window menubars in the menu rather than the bar above (I'm not sure if this part is unity or compiz, or what's the difference). That was by removing indicator-appmenu Anyway, so now everything is fine except one thing: If I have a window that is full screen, the minimize/maximize/close buttons are still grabbed by the bar on the top. Usually this doesn't cause a problem because the upper-left corner of the full screen window and the whole screen are not too far apart. However, one thing happens to me a lot, and that is I am working on something (programming), then I need to check some things from other places so I open some windows, see what I want and switch back to my work. Those windows however are temporary so at some point I want to close them. Now here's what happens: I have the focus on some window and I can't close the maximized window behind it unless I click on the window first, so that the buttons appear and then close it. I couldn't find anything on the internet about this. Is this something that's hardcoded in unity/compiz/whatever or is there actually a way to configure this?

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• Windows - Delayed Write Failed error on USB hard drive

  - by ndngrd

  I've got a new Verbatim 1.5TB USB hard drive (Samsung HD154UI) and I'm finding myself completely unable to fill it. I'm using Windows XP. Whenever I try to copy a load of files over, it works for some time (will copy over between 20 and 90GB) but eventually stops with an error saying "The specified path is too deep" - the specified is not too deep, there's nothing more than 2 dirs deep that I'm copying. A balloon pops up at the bottom saying "Windows - Delayed Write Failed" telling me the data could not be copied. This wouldn't be too bad if I could just restart the transfer, but after this error has happened I can't write anything else to the disk - including if I eject it and then connect it to another machine. It just seems completely locked. The only way I can unlock it is to delete everything that I was copying to it. I've tried various USB cables and copying from different machines, and the same thing keeps happening.

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• How to disable apache mods without any problems

  - by Saif Bechan

  I have an apache installation where every single mod is enabled. I want my server to be as light as possible so I want to disable everything i do now need. What is the best way to go about this. I know its just removing the ; before the line in the conf file. But what if some hidden service somewhere need that at some random point in time. Can i get some suggestion on what to do.

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• MSDCS zone missing

  - by hyp

  I seem to have an issue with our AD/DNS, the structure looks like: but the BPA gives me an error: Issue: The Active Directory integrated DNS zone _msdcs.<domain> was not found. Impact: DNS queries for the Active Directory integrated zone _msdcs.<domain> might fail. Resolution: Restore the Active Directory integrated DNS zone _msdcs.<domain> Now we've got 4 DC's in total: 2 running Server 2008 R2, 2 running Server 2003. The older ones will be retired sometime this year. Actually everything seems to be working ok (if something isn't then we don't know about it), we've got quite a few .NET applications authenticating against AD, no DNS issues from what I can tell and various bits on the network point to all 4 controllers. Furthermore a dcdiag /dnsall comes up with all passes. Is this something I should be worried about?

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• Calculating IOPS for a single HDD - what am I doing wrong?

  - by red888

  So I know there is no standardized way of calculating IOPS for a HDD, but from everything I have read it appears one of the most accurate formulas is the following: IOP/ms = + {rotational latency} + ({block size} / {data transfer rate}) Which is IOs per millisecond or what the book I've been reading calls "Disk Service Time". Also rotational latency is calculated as half of one rotation in milliseconds. This was taken from the EMC book "Information Storage and Management" -arguably a pretty reliable source right\wrong? Putting this formula into practice consider this Seagate data sheet. I am going to calculate IOPS for the ST3000DM001 model for a block size of 4kb: Seek Average (Write) = 9.5 -I'll measuring IOPS for writes Spindle speed = 7200rpm Average Data Rate = 156MB/s So my variables are: Seek Time = 9.5ms Rotational latency = (.5 / (7200rpm / 60)) = 0.004s = 4ms Data Rate = 156MB/s = (0.156MB/ms / 0.004MB) = 39 9.5ms + 4ms + 39 = IO/ms 52.5 1 / (52.5 * 0.001) = 19 IOPS 19 IOPS for this drive clearly is not right so what am I doing wrong?

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• problems with installation of ubuntu 12.04 (64 and 32 bits)

  - by user76104

  I am a latinoamerican so.. sorry for my english I am trying to install ubuntu on my new pc but I have serious problems. When I put the installation cd and it runs, everything goes fine until that "window" when the user have to decide if want to try ubuntu or install it on the machine.. well that "window" apears in blank, and I see that my mouse and my keyboard turn really slowly and I can't do anything I have to shut it down by pressing power botton. The specification of my pc are this Gigabyte ex58 ud7 i7 950 wester digital caviar black 6gb memory corsair evga gtx580 Please i really neeed to install ubuntu or another linux distrubution, i am usign de sismic unix program on my laptop and well. it burns when i program a script! help! please :) what can i do..? what i have to download? i am not a pro in linux so please :( be pattient with me when it starts to load the achieve ubuntu environment to enter a menu with a graphical environment but I managed to get something sturdy and gave him to try ubuntu, started to load but freezes on the sign of ubuntu with red spots and only shows me the pointer not more ..... any other option? ps: had previously tried to install the alternate version of ubuntu not having success: S

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• htaccess rewrite and auth conflict

  - by Michael

  I have 2 directories each with a .htaccess file: html/.htaccess - There is a rewrite in this file to send almost everything to url.php RewriteCond %{REQUEST_URI} !(exported/?|\.(php|gif|jpe?g|png|css|js|pdf|doc|xml|ico))$ RewriteRule (.*)$ /url.php [L] and html/exported/.htaccess AuthType Basic AuthName "exported" AuthUserFile "/home/siteuser/.htpasswd" require valid-user If I remove html/exported/.htaccess the rewriting works fine and the exported directory can be access. If I remove html/.htaccess the authentication works fine. However when I have both .htaccess files exported/ is being rewritten to /url.php. Any ideas how I can prevent it?

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• supervisord failed to start nagiosapi after reboot, need to run reload manually

  - by Bajingan Keparat

  I have supervisord to start nagiosapi everytime the server starts. The API created a status dump file called status.dat, which will get updated periodically. The following is the conf file that starts the api. [program:nagapi] directory = /home/nagapi user = api command = /bin/bash -c "source /home/nagapi/.virtualenvs/nagapi/bin/activate; /home/nagapi/nagios-api/nagios-api" stdout_logfile = /home/nagapi/supervisor_nagios-api_stdout.log stderr_logfile = /home/nagapi/supervisor_nagios-api_stderr.log Everytime i restart the server, supervisord cannot start the api. stderr.log claims that it cannot find the status.dat file located in /var/cache/nagios3. It seems like the files was not created yet when supervisor tried to run the api the first time. I'm saying this because if i do a supervisorctl reload, everything would reload just fine, and the api would run ok about 50 seconds after the reload command completes. should i change the command option of the conf file to check for

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• Can not mount /dev/loop0 (/cdrom/casper/filesystem.squashfs)

  - by simpleton

  I downloaded 12.04.1 and md5 sum checked them and everything is good. Made a live usb and booted up... Just gets to where its about to start with the purple ubuntu loading screen then it goes back to text and gives this message: BusyBox v1.18.5 (Ubuntu 1:1.18.5-1ubuntu4) built-in shell (ash) Enter 'help' for a list of built-in commands. (initramfs) mount: mounting /dev/loop0 on ///filesystem.squashfs failed: Input/output error Can not mount /dev/loop0 (/cdrom/casper/filesystem.squashfs) on //filesystem.squashfs This happens in the live option, or persistent even the file checking one doesn't work Also I've tried a few different F6 options to no avail. I used 'LiLi USB creator' and 'unetbootin' and also 'Universal USB Installer,' all with the same results. I've also tried using a VM and it showed the same. That is when I figured I had a corrupt .iso so I downloaded it again checked the MD5: e235b63c02644e219b7bf3668f479c9e. Only I'm having the same problem. I'm just about ready to give up on 12.04.1 and just go back to 10.04 utill the next LTS comes out. I've got a dell mini 10 btw. Thanks for your time.

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• Oracle 10.2.0.1 --> 10.2.0.4 patchset errors on Advanced Queuing tables. Serious or not?

  - by hurfdurf

  We're running Oracle on RHEL 5.4 64-bit. We recently did an upgrade from 10.2.0.1 to 10.2.0.4. Many errors were generated during the upgrade (sample listed below from trace.log) but during application testing afterward everything seemed fine (clean EXP, inserts, updates, deletes, etc.). The errors look like they are all related to Advanced Queuing tables and views. We are not using replication at all, this is a simple single instance db. ORA-24002: QUEUE_TABLE SYS.AQ_EVENT_TABLE does not exist ORA-24032: object AQ$_AQ_SRVNTFN_TABLE_T exists, index could not be created ORA-24032: object AQ$_ALERT_QT_S exists, index could not be created for queue ORA-06512: at "SYS.DBMS_AQADM_SYSCALLS", line 117 ORA-06512: at "SYS.DBMS_AQADM_SYS", line 5116 Is this worth worrying about, and if so, how do I go about cleaning up/recreating the corrupted and/or missing objects?

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• How to See Your Current Wi-Fi Connection Speed in Mac OS X

  - by The Geek

  Ever since I’ve been using my new MacBook Air, I’ve been befuddled by how to do some of the simplest tasks in Mac OS X that I would normally do from my Windows laptop—like show the connection speed for the current Wi-Fi network. So am I using Wireless-N or not? Normally, on my Windows 7 laptop, all I’d have to do is hover over the icon, or pop up the list—you can even go into the network details and see just about every piece of data about the network, all from the system tray. Here’s how to see your current connection information on your Mac Latest Features How-To Geek ETC The Complete List of iPad Tips, Tricks, and Tutorials The 50 Best Registry Hacks that Make Windows Better The How-To Geek Holiday Gift Guide (Geeky Stuff We Like) LCD? LED? Plasma? The How-To Geek Guide to HDTV Technology The How-To Geek Guide to Learning Photoshop, Part 8: Filters Improve Digital Photography by Calibrating Your Monitor Free Shipping Day is Friday, December 17, 2010 – National Free Shipping Day Find an Applicable Quote for Any Programming Situation Winter Theme for Windows 7 from Microsoft Score Free In-Flight Wi-Fi Courtesy of Google Chrome Peaceful Winter Road at Sunset Wallpaper Everything You Ever Wanted to Know About Why Pac-Man’s Ghosts Move the Way They Do

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• Raid Shows Up as Multiple Drives - Can't Mount

  - by manyxcxi

  I have a single hard drive that the OS is installed on and I have Sil raid card installed with two matching 500GB hdds set up in Raid 0 and formatted- they're completely empty. For whatever reason they are showing up as /dev/sdb and /dev/sdc and not as a single hard drive. I used fdisk to format both raid drives as Linux raid auto (fd) but I cannot mount either device and dmraid doesn't seem to want to work, what step am I missing? When I installed 9.04 oh so long ago it seems like it recognized and automatically did everything that needed to be done, now I'm stuck. dmraid Output root@tripoli:~# dmraid -r /dev/sdc: sil, "sil_biaebhadcfcb", stripe, ok, 976771072 sectors, data@ 0 /dev/sdb: sil, "sil_biaebhadcfcb", stripe, ok, 976771072 sectors, data@ 0 root@tripoli:~# dmraid -ay RAID set "sil_biaebhadcfcb" already active fdisk Output root@tripoli:~# fdisk -l Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000b9b01 Device Boot Start End Blocks Id System /dev/sda1 * 1 32 248832 83 Linux Partition 1 does not end on cylinder boundary. /dev/sda2 32 60802 488134657 5 Extended /dev/sda5 32 60802 488134656 8e Linux LVM Disk /dev/sdb: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x6ead5c9a Device Boot Start End Blocks Id System /dev/sdb1 1 60801 488384001 fd Linux raid autodetect Disk /dev/sdc: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0xe6e2af28 Device Boot Start End Blocks Id System /dev/sdc1 1 60801 488384001 fd Linux raid autodetect

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• SSH tunneling and NAT

  - by thonixx

  I have a virtual machine with an internal IP address and a running mailserver with IMAP/POP3/SMTP. Everything works fine except: When I do an SSH tunnel to the guest server and want to connect to the mailserver with mail.*. then it does not work. There is a connection timeout. But If i connect to the internal IP 192.168..* then it works. So what can I do to enable the access from the domain name to the virtual machine with SSH tunneling?

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• How do I draw anti-aliased holes in a bitmap

  - by gyozo kudor

  I have an artillery game (hobby-learning project) and when the projectile hits it leaves a hole in the ground. I want this hole to have antialiased edges. I'm using System.Drawing for this. I've tried with clipping paths, and drawing with a transparent color using gfx.CompositingMode = CompositingMode.SourceCopy, but it gives me the same result. If I draw a circle with a solid color it works fine, but I need a hole, a circle with 0 alpha values. I have enabled these but they work only with solid colors: gfx.CompositingQuality = CompositingQuality.HighQuality; gfx.InterpolationMode = InterpolationMode.HighQualityBicubic; gfx.SmoothingMode = SmoothingMode.AntiAlias; In the two pictures consider black as being transparent. This is what I have (zoomed in): And what I need is something like this (made with photoshop): This will be just a visual effect, in code for collision detection I still treat everything with alpha 128 as solid. Edit: I'm usink OpenTK for this game. But for this question I think it doesn't really matter probably it is gdi+ related.

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• Mouse click events are delayed when moving the cursor in xubuntu 12.04

  - by bobbaluba

  I am trying out live xubuntu on my samsung n150 (netbook, similar to eeepc). So far everything seems perfect, except for this one thing. When I am clicking the mouse while moving the cursour, the click event is delayed. This is extremely annoying when i try to to move windows, because i end up clicking the window behind the window i am trying to move and thereby changing focus. This goes for all applications. I.e selecting text is difficult. There is no lag in the cursor movement, just the click event. The click event is registered with the new mouse position, not the one when the mouse was clicked. I tried searching for the problem, but all the other cases where either kind of different, or had no solution. EDIT: After testing some more, here are some more information. The click doesn't occur until i stop moving the cursor. If I move the cursor smoothly around, the click never gets through. I have ubuntu netbook remix 10.04 installed, and have no problems with the mouse there. EDIT2: Once I connected a usb-mouse, the problem dissappeared. Dragging now works perfectly with both the track pad and the usb mouse. I will update once I have installed xubuntu and figured out if this is a persistant problem. EDIT3: I have installed, and the problem is still there. It dissappears when I have a second mouse connected however, and after I resume from suspend. My solution for now, is just to keep the dongle connected all the time.

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• meld on OS X 10.7 doesn't work?

  - by klm123

  I'm installing meld on Mac OS 10.7 using port. It has downloaded all dependencies and told that everything is ok: Staging meld into destroot Installing meld @1.5.3_0 Activating meld @1.5.3_0 Cleaning meld Updating database of binaries: 100.0% Scanning binaries for linking errors: 100.0% No broken files found. but when I run: [18:28:24]~$ meld Traceback (most recent call last): File "/opt/local/bin/meld", line 75, in <module> locale.setlocale(locale.LC_ALL,'') File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/locale.py", line 539, in setlocale return _setlocale(category, locale) locale.Error: unsupported locale setting what is the problem and how to deal with it?

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• Bootcamp's "Use all F1, F2, etc. keys" switches back automatically

  - by cheeesus

  I use Windows 7 in a Bootcamp partition on my iMac. I always check the option "Use all F1, F2, etc. keys as standard function keys", and when it's checked, everything works great. But recently, something switches this setting back to 'unchecked' every few minutes. I constantly have to open the Boot Camp Control Panel, uncheck the checkbox, check it again and click on 'Apply'. And five minutes later, the F2 key again controls the brightness of the screen and not the renaming of files in Explorer. This is driving me mad. What could be the cause of this? Is there a keystroke to switch this feature?

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• Bridge and OpenVPN with shorewall

  - by Javier Martinez

  I have this scenario and everything it's working OK, but I want to configure my Shorewall and I can't do it. My interfaces are: br0 (bridge of eth0) tun0 (OpenVPN) vnet* (each one of bridged interfaces with public IP's) Public Main IP: 188.165.X.Y OpenVPN IP's: 172.28.0.x Bridge: public ip's So, I have the next configuration for shorewall: /etc/shorewall/zones #ZONE TYPE OPTIONS IN OUT # OPTIONS OPTIONS fw firewall inet ipv4 road ipv4 /etc/shorewall/interfaces #ZONE INTERFACE BROADCAST OPTIONS inet br0 detect routeback road tun+ detect routeback /etc/shorewall/policy #SOURCE DEST POLICY LOG LIMIT: CONNLIMIT: # LEVEL BURST MASK $FW all ACCEPT inet $FW DROP info road all DROP inet road DROP /etc/shorewall/tunnels #TYPE ZONE GATEWAY GATEWAY # ZONE openvpnserver:1194 inet 0.0.0.0/0 The problem is that even with shorewall running I am able to ping or connect to the virtual machines behind the bridge

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• How to execute files on LAN drives in a Windows Domain

  - by matnagel

  We have a very small LAN here, but some peolpe here think we need Active Directory, though nobody knows how to maintain it. I am not in the position to change this. How can I get full access (on Linux it would be "execute" rights) also for files on network drives (the files are just on another machine next room) My account is in the group Administrators on a windows 2003 server Domain Controller. I cannot open simple MS Access 2000 Databases or CHM Files from network drives in the lan How to do that? Some policy setting? I want to change that once. It is useless. We have no distinction between local or network files here. I would have to copy everything to a local drive and then do what I want.

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• From TFS to Git

  - by Saeed Neamati

  I'm a .NET developer and I've used TFS (team foundation server) as my source control software many times. Good features of TFS are: Good integration with Visual Studio (so I do almost everything visually; no console commands) Easy check-out, check-in process Easy merging and conflict resolution Easy automated builds Branching Now, I want to use Git as the backbone, repository, and source control of my open source projects. My projects are in C#, JavaScript, or PHP language with MySQL, or SQL Server databases as the storage mechanism. I just used github.com's help for this purpose and I created a profile there, and downloaded a GUI for Git. Up to this part was so easy. But I'm almost stuck at going along any further. I just want to do some simple (really simple) operations, including: Creating a project on Git and mapping it to a folder on my laptop Checking out/checking in files and folders Resolving conflicts That's all I need to do now. But it seems that the GUI is not that user friendly. I expect the GUI to have a Connect To... or something like that, and then I expect a list of projects to be shown, and when I choose one, I expect to see the list of files and folders of that project, just like exploring your TFS project in Visual Studio. Then I want to be able to right click a file and select check-in... or check-out and stuff like that. Do I expect much? What should I do to easily use Git just like TFS? What am I missing here?

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• Why is my CPU fan so loud?

  - by tiiquu

  I bought an old PC to use as a second PC. Everything is fine, except for one thing. The CPU fan is terribly loud! I did a lot with PCs but I never did much with CPU fans. If I want to replace it, what do I have to look for? The fan is 8cm long on each side and 11cm diameter. It is just clipped to the cooler. The PC is a P4 3 GHz. I don't want to spend much money, as I only paid 50 euro for the whole PC. I would prefer to buy a fan for 1-3 dollar or something at eBay but I am not quite sure which one I should buy (which fits). Can you advise?

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• Executing NUnit Tests using the Visual Studio 2012 Test Runner

  - by David Paquette

  At a recent Visual Studio 2012 event at the Calgary .NET User Group, I was told that I could run my NUnit tests directly in the Visual Studio 2012 without any special plugins.  Naturally, I was very excited and I immediately tried running my NUnit tests. I was somewhat disappointed to see that the Test Runner did not discover any of my NUnit tests.  Apparently, you do still need to install an extension that supports NUnit.  Microsoft has completely re-written the Test Runner in Visual Studio 2012 and opened it up for anyone to write Test Adapters for any unit test framework (not just MSTest).  Once the correct test adapters are installed, everything works great.  Luckily, there are a good number of adapters already written. Here are some Test Adapters that you might find useful: NUnit Test Adapter – This one is still in beta, but tit does work with the official Visual Studio 2012 release xUnit.net Test Adapter Silverlight Unit Test Adapter Chutzpah Test Adapter Overall, I still prefer the unit test runner in ReSharper, but this is a great new feature for those who might not have a ReSharper license.

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• Windows system drive letter changed after repair install

  - by taffer

  yesterday I did a repair install, because Windows froze on welcome screen after resizing its partition on a dual boot system. corresponding question Everything worked fine so far, but now I am facing another challenge: The Windows drive letter changed from G: to C:, so that most programs, including drivers, firewall and virus scanner do not work anymore. I tried to reinstall the virus scanner, but the uninstaller said, that drive G: is not available. What to do now, to get all programs running again? Is it possible, to rename C: to G: or will that mess up my system?

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