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• Allow and restrict remote sql server access

  - by Michel

  Hi, I want to expose my sql server instance via the internet. I've been programming asp.net to sql server for a long time, but for the first time i'm hosting the sql server myself instead of the clients server. So what i want to do is move my sql server from my dev machine at home to a virtual server (yet to hire). But of course i don't want anyone to just enter my sql server but just a few persons. So what i was thinking was to allow only a few ip addresses to the sql server instance. Can anyone tell me how i can expose my sql server to the internet and limit the access to the instance to only a few ip addresses? And ehm, if you know even better ways to secure it, i'd be happy, because this is the first time for me :) Michel

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• dev_install failed on ARM chromebook

  - by user1027721

  I'm trying this guide for having access to emerge on chromeos. http://www.chromium.org/chromium-os/how-tos-and-troubleshooting/install-software-on-base-images Unfortunately I always got the same error which is $ sudo dev_install Starting installation of developer packages. First, we download the necessary files. Downloading https://commondatastorage.googleapis.com/chromeos-dev-installer/board/daisy/full-3.168.0.0/packages/app-misc/mime-types-8.tbz2 % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 127 100 127 0 0 252 0 --:--:-- --:--:-- --:--:-- 305 [: 184: -ne: unexpected operator Extracting /usr/local/portage/packages/app-misc/mime-types-8.tbz2 I think that it somehow returns a 404 everytime. Thanks for your help

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• vncserver too many security failures

  - by cf16

  I try to connect to my vncserver running on CentOs from home computer, behind firewall. I have installed Win7 and Ubuntu both on this machine. I have an error: VNC conenction failed: vncserver too many security failures even when loging with right credentials (I reset passwd on CentOs). Is it something regarding that I try as root? I think important is also that I have to login to remote Centos through port 6050 - none else port works for me. Do I have to do something with other ports? I see that vncserver is listening on 5901, 5902 if another added - and I consider connection is established because from time to time (long time) the passwd prompt appears,... right? please help, what to do? even if prompt appeared and I put correct password I get: authentication failure. how to disable this lockout for a testing purposes?

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• Apache 2.2.16: client denied by server configuration

  - by Viktor

  I have problem with my server configuration. I use Apache 2.216, PHP 5.3.3 and wordpress 3.4.2 with Shopperpress. Time to time I receive error "client denied by server configuration: path/to/file" in apache log file. It is path to _tbs.php file, but it is not problem in rights of file, because this file is called 12 times on page for getting thumbs of photos and there is error only several times. I think that it has no connection to concrete photo, because once this photo is displayed corectly and next time same photo produce error. Do you have any idea what can be reason? Thank you for all advices. Viktor

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• Monitoring CPU Usage Over the Course of a Day?

  - by bobber205

  Are there any apps I an install on client machines that will generate a report for me what app used what % of the CPU. We have some machines that are running, at times, VERY slowly. The machine will run really poorly then boom, back up to full speed. There isn't usually enough time to check Task Manager real quickly to see what is running, not to mention the majority of the time there are people using the computer that don't know what the Task Manager is. ;) It would be really nice to take a look at some logs and see if, maybe, the anti virus is randomly taking alot of CPU for stretches of time. Or another application. Thanks! EDIT: This is for Windows XP. Sorry for the oversight. :)

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• Why do I get Apps in Windows 8 listed as 'Not available' sometimes?

  - by keith

  What affects this, and if possible, how can I prevent this? Or maybe how can I get them to be available sooner or all the time? This pretty much happens to my game apps connected to Xbox live and a few others from time to time. It never happened before I updated the computer, but I haven't had the PC long anyway. Could it be that after updates that need a restart it does this as well (I've done two of those so far)? Anyhow, I'm frustrated, I keep clicking on a app and it not responding. The problem fixes itself at some point, but I have not been able to stare at my PC long enough to figure out how long it takes or what happened.

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• How to add a 'second elbow' to an 'elbow arrow connector' in Powerpoint 2007?

  - by ricebowl

  I'm trying to put together a relatively complex flow-chart thing -as part of a University assignment (health-related, and gosh, does my university love all things Microsoft Office...). Because of the way the chart progresses I have to connect two objects with a 'double elbow' version of the 'elbow arrow connector.' I accept that perhaps this complexity means I should redesign the chart, but I've tried and failed to simplify things already. If you'll pardon my ASCII art, this is what I have: +----------------+ | 1 | | | +-------+--------+ | | +-------+--------+ /\ |2 +--------|-----/ 3\ +----------------+ \ / \/ Shape 1 should connect to shape 3, currently the line doing so passes behind shape 2. The diagram below shows what I'd prefer, and, frankly, what I need to happen. +----------------+ | 1 | | | +-------+--------+ | +-----------+ +----------------+ | /\ |2 | +--/ 3\ +----------------+ \ / \/ Having explored the various right-click options I'm either being blind and not seeing it, or...well, I'm hoping it's just me being blind and/or stupid, frankly. If anyone has any suggestions they'd be gratefully received. I'm working with WinXP and Office 2007 (at the university, I run on Ubuntu at home, which possibly explains why I'm missing something potentially simple)...

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• What Defines an AD Object as "Inactive"

  - by Malnizzle

  I am going to be using some DSQUERY/DSMOVE scripts to clean up my AD Domin. One option is to move inactive objects to a OU that has restrictive GPOs applied to it. Something like: DSQUERY computer -inactive 10 | DSMOVE -newparent <distinguished name of target OU> My question is what value defines an object, both user and computer, as "inactive" for a period of time? Is it the last time a computer was logged on to for computer accounts, and for users is it the last time that the user account logged on to a computer? But what if, say for example, I had a web server that wasn't rebooted and or logged into for a couple of months but remain powered on and functioning as normal, would it be defined as "inactive" where as technically it's still serving web pages and so on? Thanks for the help!

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• Ghost Image - windows asks for activation on when deployed to VM

  - by Chris Sobolewski

  I have several images created with Ghost Solution Suite (v11 I believe), the images have been in use for a few years now, but I am finally to the point where I have enough time to attempt to virtualize them for easier updates. I am running VMWare and attempting to image the virtual machines with my ghost image files. For my images I am running sysprep with minisetup and using reseal. The image deploys successfully, however when I start the VM for the first time, it demands windows activation. This doesn't happen when I image a physical computer, even a different model with different hardware. The idea of virtualizing my images becomes rather worthless if I am unable to deploy the images without having to activate every time (especially as Microsoft keeps declaring our volume licence key as invalid for activations). Does anyone know why it is asking for activation on a virtual machine, but not a physical PC? How can I prevent this?

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• Tips on Managing Podcast Subscriptions

  - by Ben Griswold

  I listen to a silly number of technical podcasts. I listen to enough of them that it is literally impossible to keep up. I nearly gave up and started dropping feeds from my subscription list when I heard Craig Shoemaker talk about his Polymorphic Podcast fast feed. The idea is he provides the same content at a higher speed so you can listen to his complete show in 3/4th the time. I tried it out with his recent jQuery Secrets with Dave Ward interview and I was shocked with the feed quality. It was a super clear, understandable conversation which only took a fraction of the time commitment. I experimented a bit and played the normal recording at 2x speed on my iPhone and the quality was once again just fine. But now I'm saving half of the time. I'm curious as to how you might manage your podcast subscriptions. Can you offer any tips or advice on how to get the best bang for your buck when it comes to technical podcast listening?

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• Weird routing problems with VPN

  - by Borek

  In our VPN setup I have to add a route to my routing table like this: route add 1.2.3.0 mask 255.255.255.0 172.16.1.1 -p Our internal addresses 1.2.3.x then use 172.16.1.1 as their gateway and both my local internet and work VPN can work at the same time. However, when I disconnect from VPN and reconnect again, I can't ping our servers even though the connection status is "Connected". When I do route print my previously added route is listed but it doesn't seem to work. So I try to execute that 'route add' command again and as expected, it tells me that The route addition failed: The object already exists. But - and that's the point - when I now try to ping our servers again, everything works! So every time, I have to execute this route add command that will fail but fix the issue at the same time. Any ideas what I might be doing wrong? My PC is Windows 7 x64, I am Administrator, UAC is enabled and the command prompt is run with elevated privileges.

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• Why would a server not send a SYN/ACK packet in response to a SYN packet

  - by codemonkey

  Lately, we've become aware of a TCP connection issue that is mostly limited to mac and Linux users who browse our websites. From the user perspective, it presents itself as a really long connection time to our websites (11 seconds). We've managed to track down the technical signature of this problem, but can't figure out why it is happening or how to fix it. Basically, what is happening is that the client's machine is sending the SYN packet to establish the TCP connection and the web server receives it, but does not respond with the SYN/ACK packet. After the client has sent many SYN packets, the server finally responds with a SYN/ACK packet and everything is fine for the remainder of the connection. And, of course, the kicker to the problem: it is intermittent and does not happen all the time (though it does happen between 10-30% of the time) We are using Fedora 12 Linux as the OS and Nginx as the web server.

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• Block a URL at browser level

  - by Farseeker

  Does anyone have a solution (that doesn't involve editing the hosts file) to block a particular URL from FireFox? Basic back story is that I'm trying to discipline myself. I'm spending FAR too much time over at Server Fault that I want to genuinely block the site from my work PC so that every time I find myself flicking to it during work time I can't see it, but I'd like to be able to disable it during my lunch break. (So I only spend 40 minutes a day there, rather than 4 hours). That said I don't want to block it at the router, nor for anyone else.

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• How to maintain one file across many production servers (Windows and Linux)

  - by Brien

  My organization wants to centrally manage an Oracle TNSnames file for all of their production servers. When that file changes, they want to be able to push out the changes to all servers that use it with a minimal effort. Approaches that have been considered: Centralized file server (drawback: if the file server or the network connection to the file server goes down, the servers have no access to the critical file) Subversion client on each server (drawback: using a source control tool in production, added complexity) Store an individual copy of the file on each server (drawback: changing the file contents involves making changes on many different servers) Update Can I use DFS to do this?

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• Client backup solution for small (100-150 user) homogenous win/nix/mac office?

  - by Gomibushi

  We are currently using Symantec Backup Exec with Desktop and Laptop Option for our Windows clients, time machine for mac and offer simple rsync to linux users, in addition to home folders that are always backed up and available. We are not overly happy with the horrid complexity and multitude of minor bugs in SBE, but "when you don't touch it, it mostly works". Ideally we'd like to offer a real and full backup solution to all clients, but mostly to Linux users, as they don't have a good alternative. I have barely tested Druva on windows, and it is promising in its simplicity and "it just works" looks, but does anyone have experience with it? This post lists some that I will look at.

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• How to get both PIPESTATUS and output in bash script

  - by Mustafa Serdar Sanli

  I'm trying to get last modification date of a file with this command TM_LOCAL=`ls -l --time-style=long-iso ~/.vimrc | awk '{ print $6" "$7 }'` TM_LOCAL has value like "2012-05-16 23:18" after execution of this line I'd also like to check PIPESTATUS to see if there was an error. For example if file does not exists, ls returns 2. But $? has value 0 as it has the return value of awk. If I run this command alone, I can check the return value of ls by looking at ${PIPESTATUS[0]} ls -l --time-style=long-iso ~/.vimrc | awk '{ print $6" "$7 }' But $PIPESTATUS does not work as I've expected if I assign the output to a variable as in the first example. In this case, $PIPESTATUS array has only 1 element which is same as $? So, the question is, how can I get both $PIPESTATUS and assign the output to a variable at the same time?

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• Weird graphical artefacts on OS X Snow Leopard.

  - by Debilski

  Since a couple of days I experience some strange graphical artefacts on Snow Leopard. Usually after a certain uptime, the background image would show some strange colours at some place. This could be reverted by reloading the background image. But the problem would appear again after rebooting (and waiting for an indefinite time). Sometimes, the shadow of windows would also have some artefacts; and this time the application switcher is completely distorted. Any ideas where I need to search for a solution of the problem? Edit: Model: MacBook Gen. 3.1 / all updates installed Update: After not having used Safari for a while, the problem has not occurred anymore (at least not after 20 days of uptime). Could well be that the problem had its origin in Safari or a Safari-related plugin. (Possibly Flash or Click-to-Flash as it did not happen with both deactivated, though the running time with this configuration might have been to short to be of any validity.)

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• Advantage of using a smartfox server

  - by Fahim Akhter

  Hi, we are trying to outsource the server side of our game applicaton to someone. They recommend using http://www.smartfoxserver.com/ instead of our traditional php/mysql combination. Our game is in actionscript and will be using social aspects of facebook later on. Smartfoxserver is supposed to reduce the time of development. The thing I'm having a hard time getting right now is how? How does it reduce the time. We will still be making a RDMS writing stored procedures and game logic based server scripts. Where does smartfox come into play? Thanks, Fahim.

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• Tor Browser: how do I restart just the browser?

  - by GDR

  I'm using Tor Browser on Linux from time to time, but I close the browser because it has high memory usage, and leave Vidala running in background to help the network and relay traffic. The problem is, when I want to use Tor Browser again, I have to shut down Vidala and start it again. This takes time and has negative effect on the network. When I execute ./App/Firefox/firefox-bin, the browser starts but says it's not connected via Tor network. Any ideas how to start tor browser and make it connect to existing Vidala instance?

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• Would a Socket Connection Outperform an Intarvaled Database Sweep and Requests?

  - by Jascha

  I'm building a small chat application to add to an existing framework. There will only be 20-50 users MAX at any one time. I was wondering if I could get away with updating a cache file containing (semi) live chat data for whichever users happen to be chatting just by performing timed queries and regular AJAX refreshes for new data as opposed to learning how to open and maintain a socket connection. I'm sure there are existing chat plug-ins out there. But I just had a hell of a time installing one and I could see building the whole damn thing taking just as much time as plugging one in. Am I off to a bad start? Thanks in advance -J (p.s. this is a semi closed network behind a php login so security isn't a great concern)

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• Windows hangs on Rename, Delete and Move for specific MKV files

  - by Creativehavoc

  I have been googling this issue for a long time, and no full solutions seem to be out there. For certain mkv files, windows hangs when moving, copying, or deleting. These files play fine in a player such as GOM player. System: a fast windows 7, 64 bit box. Results: CPU change is negligible Memory usage rockets up to ~100% In cased of delete or move, "discovering files" dialogue box stays up for a long time Rename simply shows spinning icon until it finishes Action is completed after EXTREMELY long amount of time Memory usage does not return to normal "Fixes:" Disable thumbnail creation (helps for some cases) After move/rename/delete kill explorer with taskmanager, and relaunch to re-claim your memory Even with the thumbnails turned off, the issue persists. I have also tried re-muxing a file, which worked fine, but still resulted in a file with the same above issues.

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• Virtualised Sharepoint Backup Strategies

  - by dunxd

  I have a Sharepoint (OSS 2007) farm running on three virtual machines in VMWare ESX, plus a SQL Server backend on physical hardware. During a recent Business Continuity Planning event I tried restoring the sharepoint farm with only the config and content databases, and failed to get things working. My plan was to build a new sharepoint server, then attach this to a restoration config database and install the Central Management site on this server, then reattach the content databases. This failed at the Central Management part of the plan. So I am back to the drawing board on the best strategy for backup and recovery, with reducing the time and complexity of the restore job the main objective. I haven't been able to find much in the way of discussion of backup/restore strategies for Sharepoint in a VMWare environment, so I figured I'd see if anyone on server fault has any ideas or experience.

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• GRUB error: unknown filesystem

  - by Ali

  I replaced my old laptop drive which was win7 and ubuntu dual boot with an SSD. Now I connected the old drive through a USB adapter and I want to boot from it. But this comes up: unknown filesystem grub rescue> As i need the programs from old drive I have to boot from it time to time and I don't want to install those software on the new drive. It takes so time to exchange the drives so I want to boot from USB. how can I fix this?

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• how do I configure IIS to post logs to sql server?

  - by stacker

  how do I configure IIS to post logs to sql server? How want to save ANY log to my site. the site has a lot of views and the data can be big in a very small time. In addition, I want to show analytics of the use, in real time, and for all the time. Is it make sense to save all the logs in sql-server? What is the pros and cons taking this approach have? what other solution can I have?

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• Dropbox takes hours? to sync & shows diff. modified times (coincidentially in the future)

  - by user10580

  Dropbox is taking hours to sync, I can't tell exactly how long because the time stamps on the website make no sense - they say the files were modified. . . tomorrow. Actually my netbook (windows xp) says they're last modified tomorrow in windows explorer as well. It's bizarre. The time and date on both computers are correct. The files in question are in a symlinked directory on the laptop (which are synced fine, with the correct timestamps). I have looked for an option to force dropbox to sync, but haven't located one. (There might be a command line method, but I haven't had the time to explore). thanks

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