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• Send documents to printer without waiting for Vista to handle queue

  - by Greenleader

  I got a print server on our old printer. Vista has its own queue which presents a problem. I want to bypass this queue and send everything straight away to the printer so the print server deals with the queue and not Vista. Problem is when a second document is being printed from the same computer after first one. Vista is still waiting for info on finishing the first job even 5 minutes after it was REALLY finished. How do I get it so that I can send straight to the print server and not have Vista slow things down by trying to handle the queue itself?

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• Virutal Machine loses network connectivity on Hyper V

  - by Chris W

  We're running a number of VMs on a 6 node failover cluster of blades using Hyper V. We have an intermittent issue (every few days at different times - not a fixed frequency) of VMs losing network connectivity. Console access to the VM suggests all is fine and the underlying blade has normal connectivity. To resolve the problem we either have to re-start the VM or, more usually, we do a live migration to another blade which fires up connectivity and we then migrate it back to the original blade. I've had 3 instances of this happen with a specific VM running on a particular blade however it has happened once with a different VM running on a different blade. All VMs and blades have the same basic setup and are running Windows 2008 R2. Any ideas where I should be looking to diagnose the possible causes of this problem as the event logs provide no help?

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• Virtualbox 4 hangs when trying to install ubuntu guest on ubuntu host system

  - by misterjinx

  I'm trying to install ubuntu server using virtualbox 4.0.4 in a ubuntu 10.10 host OS. I have the iso image on my hard drive which I used to perform the install. I edited the settings and added this image at the storage section, selected it as a primary master, so I could boot from it and start the install process. But now, each time I start the installation, at the very beginning or if I'm lucky, after I click on the install link at the welcome screen, the process hangs and all the computer is blocked. This happened 3 times already. I even tried to perform the installation using an old CD I had with the 9.10 server version, thinking that the iso image might be the issue, but the problem still persists. I dont know what could cause this problem. My computer is a dell laptop with AMD processor (I dont know if this is important). Any help is very appreciated.

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• Cannot log on to a remote server using rdp from windows 7 machine when I am remotley connected to th

  - by Gary

  Bear withe me, here is my set up. I use my 27" iMac 3.06GHz Core 2 Duo 4GB Ram to connect to my work desktop running Windows 7. From there I can administer other remote servers. Here is the problem. Using the Remote Desktop Client on my Mac I can connect to my work machine no problem. But when I then use the work machine to open a remote desktop session with another Windows server (usually SBS 2003 but applies to all) I get the log in prompt, I enter the user name password ensure i'm connecting to the domain, but it wont log me in. The error message is the same, as though I had typed the wrong password (i know this is not the case). Does anyone have a solution? Thanks in advance. Gary

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• How to cope with runaway Flash plugin in Google Chrome browser?

  - by Norman Ramsey

  I'm using Google Chrome for Linux, version 5.0.307.11 (Official Build 39572) beta with the Linux Flash plugin version 10.0 r32. Quite often, the Flash plugin goes wild and pegs the CPU with about 95% usage. Laptop gets hot, battery drains. I can diagnose the problem with Chrome's little process monitor (shift-Esc), and I can even kill the plugin, but then when I actually want to use Flash on a page, I can't find a way to restart the plugin; I have to exit and restart Chrome, which with 30 tabs open is a huge hit. Does anyone know what causes this problem? Does anyone have a better workaround (or heaven forfend, a fix)? [I struct out both with search and with Google's help site for Chrome.]

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• Lingering tcp connection in LISTEN state

  - by Silvio Donnini

  My java application can sometimes be killed by an external script. This can be done either with SIGTERM or with SIGKILL. The application is a server which receives many connections per second, and it can be killed while trying to serve them. I would like to restart the application whenever it's killed, so I have prepared a script for that purpose. The problem is that, once the app has been killed, the new application instance can't bind to the port used by the previous instance, because the "Address is already in use". The previous instance's process has been definitely terminated, anyway the offending listening port is still there, but it is assigned to bash (or sh on other machines). Obviouly, my goal is to restart the application and let it bind successfully to the previous address. I've tried waiting more than 200 seconds before restarting to no avail, anyway I can't afford to wait that much. I've encountered this problem on all the machines I've ran the application (which is a jetty server with java 1.6). Any suggestion is appreciated, thanks, Silvio

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• How to tell if PAE is hurting me?

  - by James

  I have a couple of servers with 20-30 GB RAM that are running (a variant of) RHEL4. They are currently running the SMP i386 kernel, not x64, not even the hugemem kernel. This means LowMem is confined to < 1G, and thus dentry_cache and ext3_inode_cache to 100M or so each. How can I tell if this is a problem? Here's a typical vmstat report while it's compiling some Java: $ vmstat 10 procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 1 1 0 19493816 394740 922420 0 0 1058 2292 1491 1020 6 3 80 12 2 1 0 19519480 395244 850156 0 0 1179 1412 1329 1195 9 4 75 12 1 1 0 19557368 392616 828344 0 0 1783 1680 1498 1756 14 5 72 9 I don't like the way bi is nonzero when there is so much memory free. I imagine slabtop could point more directly to the problem but I don't really understand how to interpret its output.

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• How do I activate Window 7 for a different computer?

  - by Abdullah BaMusa

  I bought Windows 7 Professional Retail which I installed on my laptop. Now I've decided to move it to be on my desktop PC, so I uninstalled Windows from my laptop, restoring the original OS came with the laptop (Vista Business), and installed Windows 7 on my desktop PC. The problem is that I cannot activate my copy of Windows 7 on the desktop PC. Every time I try to activate it I get the error message The product key you typed cannot be used to activate windows on this computer" and the code of the error is: Code: 0xc004c008 Description: The activation server determined that the specified product key could not be used. How can I solve this problem?

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• Win 7 slow Log off on Domain

  - by e2e2

  Our Windows 7 computers/laptops are very slow at logoff, around 7 minutes (no problem at log on). We don't have this issue on XP clients. Problem occurs after adding the Win7 clients on domain. I tried to reset user profile. After resetting logoff takes around 2 minuted and after everyday it takes longer and longer We are using roaming profiles. Event Viewer: Event ID: 6005 The winlogon notification subscriber is taking long time to handle the notification event (Logoff). And then a minute later Event ID: 6006 - The winlogon notification subscriber took 300 second(s) to handle the notification event (Logoff).

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• an unknown ip on network

  - by Ahmed safan

  In our office we have many PCs, all of them have static IP addresses. We had a problem with one server with ip 192.168.1.10 dropping off the network occasionally. I unplugged the network cable from the server and from pinged 192.168.1.10 from another host and there was a response. I searched all PCs to see if any has such ip but i didn't found a one. I changed the server ip to fix the problem, but I still find this rogue device using 192.168.1.10 on the network -- how can I figure out what it is? Could it be the ip of virtual machine on someone's PC?

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• IIS 8 Random 503 service unavailable

  - by Ivo

  We migrated a busy website to Windows Server 2012 with IIS 8. The website randomly gives the error "503 service unavailable" after an user presses F5 the error is gone again. The website is build in ASP.NET MVC 3. The website runs on one application pool, with default settings There are around 500 to 900 concurrent users on the website during the day, and the error happens more often when there are more 650 users. The CPU and the memory use on the server is stable. There is nothing about the 503 errors in the application log, the IIS log and the event log. Does anyone has any clue what the problem can be or how we can trace the the problem?

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• Config xampp never to cache pages from localhost

  - by Michael Mao

  Hello everyone: I am not a webmaster, and that was exactly the reason why I installed XAMPP 1.7.2 on Windows XP SP2 instead of manually configuring Apache, MySQL and PHP to cooperate each other. Now I am having to problem to disable caching pages from localhost. Some suggested just force the browser not to cache, using Firefox web developer bar or something similar; but I feel it would be better if I could configure the Apache server in XAMPP to never allow pages from localhost to be cached. I guess this is done somewhere in httpd.conf? LoadModule cache_module modules/mod_cache.so Would this module be helpful in this case? Doc here : mod_cache I am not very sure this would resolve the problem. Could anyone confirm this approach feasible? I'd like to work it out myself, given the fact that I am on the right track... Many thanks in advance

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• If sudo is broken, what should be used instead?

  - by ivant

  I found the following answer to a FAQ question about a security problem in Oprofile: This "problem" only occurs if you actively, and mistakenly, configure access to OProfile via sudo. OProfile uses shell scripts which have not been audited (nor is it likely to happen) for use through the broken sudo facility (anything that lets you alter root's path arbitrarily counts as horribly broken). Do not use sudo! As I see it, the author of the answer suggests that sudo is broken, so that it should not be used not only with oprofile, but for other purposes as well. Are there better alternatives to sudo in Linux?

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• YouTube videos not working

  - by André

  I have a problem with watching YouTube videos. It says: "An error occurred, please try again later". I've tried loading different videos and that's what it says to all the videos I try to watch. I've tried using another browser, clearing cache + cookies etc, but none of that really worked out. My operating system is Windows 7 Home Premium, I use Google Chrome as my browser. And the YouTube videos was able to be watched earlier. I suspect that it has something to do with the PC, since I've got YouTube working on my laptop earlier. Not sure if it still works on my laptop though. Hope I've given enough information for you to help me out with this problem. Feel free to ask if there's anything else you need to know. Hope you can/will help me out. :)

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• Postfix : error: unsupported dictionary type: mysql

  - by flavio.troja

  I've a problem w/ postfix problem: # tail -f /var/log/mail.err Aug 20 17:57:50 myserver postfix/smtpd[8243]: error: unsupported dictionary type: mysql Aug 20 17:57:50 myserver postfix/smtpd[8243]: error: unsupported dictionary type: mysql Aug 20 17:58:05 myserver postfix/smtpd[8244]: error: unsupported dictionary type: mysql Aug 20 17:58:05 myserver postfix/smtpd[8244]: error: unsupported dictionary type: mysql Aug 20 18:00:38 myserver postfix/smtpd[8277]: error: unsupported dictionary type: mysql Aug 20 18:00:38 myserver postfix/smtpd[8277]: error: unsupported dictionary type: mysql Aug 20 18:03:32 myserver postfix/smtpd[8320]: error: unsupported dictionary type: mysql Aug 20 18:03:32 myserver postfix/smtpd[8320]: error: unsupported dictionary type: mysql Aug 20 18:03:33 myserver postfix/trivial-rewrite[8322]: error: unsupported dictionary type: mysql Aug 20 18:03:33 myserver postfix/trivial-rewrite[8322]: error: unsupported dictionary type: mysql idea?

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• DNS updating issue

  - by Will

  Hey guys, I'm new to serverfault so please excuse me if I sound a tad nub. I work in an environment that is kinda peace mealed together, and I honestly don't know how it works. I'm new to the IT field and am still in school. When I replace a PC I rename the old one to mo-o-pcname and give the new one the proper name of mo-pcname (mo is a location thing we use so it really doesn't apply to the problem.) The new PC will function on the network; it will have the ability to access network resources (printers, file shares, etc) and it will have the ability to get out to the internet. However I can no longer ping the machine. It would appear as if the DNS (A) record is not getting updated or something. Like I said I'm kinda new to the field and just trying to work through this problem. Thanks for your help.

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• Flash movie randomly freeze the browser

  - by Erick

  Just recently it seems that my flash player have had some troubles to display flash videos (youtube/dailymotions and others like this). This issue was supposed to be fixed with Flash Player 10 beta if I remember correctly. My flash player is currently at the lastest version available (10.0.45.2) I'm currently on Windows 7 x64. I tried to uninstall it and reboot and reinstall it, didn't work. Sometimes when it freeze and I reboot it "fixes" temporary the problem. The freeze problem is each and every browser. If one fails and freeze, every browsers using the plugin or ActiveX (Opera 10.5/Chrome 5/Safari 4/IE 8/FF 3.7 all installed) will freeze upon playing. I'm quite out of inspirations for fixing this up now I dare say.

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• Compaq 610 fan is constantly on and noisy, base is fairly hot too

  - by Dave

  The fans on both of my HP Compaq 610s are constantly on and the base is fairly hot and I don't know if this is standard issue. HP assures me that this is unusual and that I should return them as DOA. Because both laptops have this problem, I'm thinking that this might be a design flaw rather than a one-off problem. I've updated the BIOS and using their recommended power settings. Am I missing something? Is there anything I can do to fix it?

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• Can't Type Tilde character in Mac OS X

  - by Brock Woolf

  Hi this is a new problem that I did not have a few weeks ago. I have a Logitech Illuminated Keyboard running on Mac OS X 10.6 (Snow Leopard). The problem is that I cannot type a tilde. Instead when I press the tilde I get this character: §§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§ I cannot for the life of me figure this out, except that I vaguely remember I can asked to redetect the Mac keyboard layout for this keyboard and I think i chose the wrong one. Now I get this weird character when pressing tilde. How can I fix this? Or how can I redetect this keyboard layout? Thanks.

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• SQL Server Column Level Encryption - Rotating Keys

  - by BarDev

  We are thinking about using SQL Server Column (cell) Level Encryption for sensitive data. There should be no problem when we initially encryption the column, but we have requirements that every year the Encryption Key needs to change. It seems that this requirement may be problem. Assumption: The table that includes the column that has sensitive data will have 500 million records. Below are the steps we have thought about implementing. During the encryption/decryption process is the data online, and also how long would this process take? Initially encrypt the column New Year Decrypt the column Encrypt the column with new key. Question : When the column is being decrypted/encrypted is the data online (available to be query)? Does SQL Server provide feature that allows for key changes while the data is online? BarDev

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• Anytime I upload something, my internet slows down extremely. What can I do?

  - by Earlz

  Title says it all. For a bit more info though: Basically, I have Time Warner cable internet. My speeds maintain a stable 2Mbit/s upload and 20Mbit/s download with average ping times around 30ms. This crazy thing happens though when I upload anything. I went to upload a 200M file to my server today through sftp and my internet completely choked up. I speed tested it during this upload and my ping time was around 800ms, download speeds of 0.2Mbit/s and Upload speeds of 0.3Mbit/s. Note, I wasn't downloading anything during this time either. It is just straight upload. What is it that causes this phenomenon? My router is OpenBSD. Is there anything I could set up to fix this problem(by queues or some such), or is this a problem with cable internet?

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• Hosting custom domains with IP address flexibility

  - by F21

  I am building a small service where users will be assigned a subdomain such as: myusername.myservice.com anotheruser.myservice.com I know that I can set up a wildcard vhost and using some configuration regex, serve the files like so: myusername.myservice.com ===> /var/www/myusername anotherusername.myservice.com ===> /var/www/anotherusername The problem is that I would like to allow users to alias their own domain names to their service. I understand that for the webserver, once the user adds the domain via my web interface, I can easily create a vhost for the domain in nginx and then refresh the webserver. The problem is that I would prefer to NOT let the users add an A record of my webserver's IP address as I would prefer to keep things flexible (when we upgrade our infrastructure to something more complex to scale). What is the best way to achieve this?

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• Getting GTalk and Alt-Tab to play nice

  - by Steve Armstrong

  I'm running GTalk on Windows 7, and it refuses to work properly with Alt-Tab. Let's say I've got 2 message windows open (msg1 and msg2) and the contact list, as well as Firefox. Alt-tab from Firefox to msg1 works, but now the contact list is the most recent thing in the alt-tab list (not Firefox as expected). Then there's the problem that I can't use alt-tab to select a specific message window, and when switching back to msg2 (showing msg2 in the alt-tab window) it might switch back and have focus on msg1. I found this thread complaining about the same problem, but it's over a year old, and I'm hoping some progress has been made.

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• How to install NPM behind authentication proxy on Windows?

  - by Tobias

  I need to run the latest version of Node and NPM on Windows. I installed Node 0.5.8 and downloaded the sources of NPM from GitHub. The steps I followed to install NPM were listed on its GitHub site but I have a problem running the following command: node cli.js install npm -gf but it fails with the following error message: Error: connect UNKNOWN at errnoException (net_uv.js:566:11) at Object.afterConnect [as oncomplete] (net_uv.js:557:18) System Windows_NT 5.1.2600 command "...\\Node\\bin\\node.exe" "...\\npm\\cli.js" "install" "npm" "-gf" cwd ...\npm node -v v0.5.8 npm -v 1.0.94 code UNKNOWN I think that this is a problem because I need authentication at my proxy to connect to the Internet. But I found no way to tell the installer to use my credentials for login. Is there a possibility to provide my proxy IP and login information to npm installation maybe via command-line arguments? I can provide the full log (but seems to have no more relevant information) using pastebin if needed.

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• Can not connect to tomcat server externally,

  - by KItis

  My Tomcat server is running on virtual server, this server is running on fedora machine. I have setted up everything on this machine to run tomcat, tomcat working well on local host. but i can not access the wsdl of the webservice running on this tomcat server remotely using IP address of this server, as follows. http://xxx.xxx.xxx.xxx:8080/axis2/services/listServices one of my friend said that i need to configure DNS to access remotely using IP address, i didn't understand what he said also. iptables on this server is also stooped. Also , i can access mysql running on this server remotly, my problem is why doesn't it work for tomcat. could someone can help me to find a solution for this problem. Thanks in advance for any help

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