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  • First request too slow even if I have a load balancer in the back

    - by adrian7
    I have an Apache 2 on Centos + bind with a wordpress website on it (e.g example.com). I have also set up, on another server in a different contry a load balancer (varnish:80 + nginx 127.0.0.1:8080) for it - which task is to server all static content under /wp-content/. Using Simple DNS editor I added an A entry to cdn.example.com pointing to the server's IP. So no extra work from a 2nd dns server. Then using htaccess I redirect all requests to jpg|gif|css|js files to cdn.example.com. That works and all files are saved on the "cdn" server and served right away. My problem is that for the first time I enter on example.com (e.g after restarting the computer or closing the browser) the load time is 1 up to 3 seconds, while any subsequent page loads take only 300 to 600 miliseconds. I know it might be a DNS issue, but I have done a cache check on several websites and cdn.example.com indicates the right IP. Do you have any ideas where I should dig to solve this first-time slowness?

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  • Clone a Red Hat RAID as part of a disaster recovery plan

    - by Campo
    I am looking for recommendations to clone a Red Hat mirrored raid to a single hard drive located in the same machine. The idea is if the servers hardware ever has an issue we have a similar hardware machine ready to go. All we would have to do is pop in the cloned drive. If the servers RAID ever failed we could just switch to the single drive to maintain uptime and restore the original configuration on the spare server with a backup. This is a restaurant and they are open 7 days a week. We do have time from 12:am to 9:00am to perform the necessary steps for a clone and we talking about under 10 Gigs of information. There is a database on the server. I have looked into Rsync and Clonezilla. But I am just not confident either is capable of completing the task I want. Looking for some suggestions and possibly a step by step if you could be so kind.

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  • Worker processes not starting in IIS 7.5. What should I check?

    - by locster
    I have a Windows 7 machine (Windows version 6.1.7601 SP1 Build 7601) with IIS installed. At some point the installation appears to have become 'corrupted' in some way, as any requests are now met with the message: Service Unavailable HTTP Error 503. The service is unavailable. In IIS manager IIS is started and the app pool I am using reports itself as 'Started', yet there is no w3wp.exe process listed in the process list in task manager (I am a local admin and have clicked the 'Show processes from all users' button. I have enabled logging for the web site (at default location of %SystemDrive%\inetpub\logs\LogFiles), but this folder is empty. I am assuming that this log output is written by w3wp.exe as it handles requests (no w3wp.exe, no log file?). Presumably there is another layer of request handling that is responsible for starting the worker processes, does thsi layer have log files I can check, and/or can I uninstall/re-install that layer? Thanks.

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  • Recommend a Software for documenting work/research

    - by Rogue
    Need a software for documenting my work & research. I was considering to use blog engine but then I don't want to be playing around with backing up the databases and the matter separately. The specifications for the software would be: 1) To catalogue work by categories, tags and date. 2) Easy editing and drawing features 3) Easily incorporate saved html files into matter I'm writing, with the formatting and pictures. (probably use the mht format, don't want to be wasting timeformatting html pages) Would like the html pages to be directly displayed in the software and not opened on demand Software should be for Windows. Any recommendations? 4) Language tools could be an addition but only an optional feature

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  • Wake up my company computer from a home computer

    - by Darcy
    I would like to learn if it is possible for me to send a packet (a magical one) from another computer to my computer. I am interested in waking up my computer at work from the one I am using at home. That is I would like to power it on at 7:00am by sending it a wake-on packet from the home computer. I have no idea how to carry out this seemingly trivial task, I hope someone could offer some basic ideas for me start. Thank you so much in advance.

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  • Symfony sfControlPanel 500 error only when executing 'tasks'

    - by rrlange
    As a bit of background, I recently had to restore a Symfony site from backup. Ever since the 'successful' restore, I am running into an exception when trying to execute a(ny) task via the web-based sfControlPanel: Unable to find PHP executable stack trace * at sfToolkit::getPhpCli() in SF_ROOT_DIR/plugins/sfControlPanelPlugin/modules/sfControlPanel/actions/actions.class.php line 93 FYI: symfony version 1.0.6 PHP 5.2.6 (cli) (built: May 2 2008 16:06:40) Apache/2.2.3 CentOS 5.* Thank you very much for any and all suggestions as to what might be amiss. Addendum: I neglected to mention that I can the frontend app (and certain backend apps) perfectly fine via the web. I am also able to run common tasks via the command line (cc etc.).

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  • WinXP on VPC - Unable to change the way users log on or off

    - by kamleshrao
    On my Win7 computer, I have setup a new Win-XP VPC. In the VPC window, when I click Ctrl+Alt+Del, it shows me Windows Task Manager. As per MS KB [ http://support.microsoft.com/kb/281980 ], we can change this behavior to show the regular Windows Security window. But while making this change, I am getting the following error: User Accounts Fast User Switching cannot be turned off from a remote connection to this computer. Log on to the computer locally to turn off Fast User Switching. OK Is there any way I can fix this setting?

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  • After recovery to restore point, Windows 7 missing pinned items and favorites

    - by Michael Levy
    I believe a recent windows update was interrupted. The next day, I could not logon and was presented with the error "User Profile Service service failed the logon. User profile cannot be loaded". I followed some advice from http://answers.microsoft.com/en-us/windows/forum/windows_vista-security/help-user-profile-service-service-failed-the-logon/4ed66b21-c23e-42f1-98b2-706dcf931fae and logged in with a different admin account and used system restore to restore to a recent restore point. Most everything is working fine, but I have noticed two odd things: Any items that were pinned to my start menu or task bar were not accessible. I had to un-pin and re-pin the items. In Windows Explorer, my favorites are gone and I can't seem to add any favorites. If I browse to a folder and right click on the Favorites Icon and select "add current location to favorites" nothing is saved. I'd appreciate any explanation to understand why these things did not get recovered properly and any help fixing the favorite functionality.

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  • Windows script to create directories of 3,000 files

    - by uhpl1
    We have some email archiving that is dumping all the emails into a directory. Because of some performance reasons with the server, I want to setup an automated task that will run a script once a day and if there is more than 3,000 (or whatever number) of files in the main directory, create a new directory with the date and move all the main directory files into it. I'm sure someone has already written something similar, so if anyone could point me at it that would be great. Batch file or Powershell would both be fine.

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  • How do you create virtual folders from saved search

    - by Jérôme Radix
    I would like to have on unix-like platforms, the same functionality as to Windows 7 Library folders (aka virtual folders) you see in Windows Explorer. Gnome Nautilus do that kind of virtual folders through saved search. But I want a system-wide solution, not a gnome-wide solution. Is there a tool that creates virtual folders from the concatenation of multiple search queries (the result of multiple find commands ?). The solution should index files for better performances and you should be able to define the default folder for copy operations. I assume the solution of this kind of problem certainly use FUSE, but I can't see a complete solution to this kind of task in FUSE applications.

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  • How do you create virtual folders from saved search

    - by Jérôme Radix
    I would like to have on unix-like platforms, the same functionality as to Windows 7 Library folders (aka virtual folders) you see in Windows Explorer. Gnome Nautilus do that kind of virtual folders through saved search. But I want a system-wide solution, not a gnome-wide solution. Is there a tool that creates virtual folders from the concatenation of multiple search queries (the result of multiple find commands ?). The solution should index files for better performances and you should be able to define the default folder for copy operations. I assume the solution of this kind of problem certainly use FUSE, but I can't see a complete solution to this kind of task in FUSE applications.

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  • Sticky Load Balancing with AWS

    - by John Wheal
    I have just setup a load balancer with AWS for a few instances as search engine crawlers were bringing down the site (it has millions of pages). Parts of the site allow you to login so I selected: Enable Application Generated Cookie Stickiness and everything works fine. I now wonder how this will effect my SEO and the crawlers. As I selected sticky load balancing does this mean that a crawler will be stuck on one server and therefore defeat the point in the load balancer? Any recommendations will be appreciated.

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  • Vista: "Change date and time" causes permissions error

    - by alexsome
    I double-click on the time in the bottom right to open the date and time panel. Then I click on the "Change date and time..." button (which has a shield) and I get the UAC dialog. I click "Continue", then am presented with an error that reads: Unable to continue You do not have permission to perform this task. Please contact your computer administrator for help. I will mention I have Comodo installed, but I have turned it off to test this out and I get the same results. All that I've found while googling were suggestions to turn UAC off, but I am interested in learning what the actual problem is. Thanks in advance.

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  • windows VPS running apache and mysql, php scripts running slow.. but cpu usage is 1-3%..

    - by Roeland
    So every night I run some cron jobs. It requires probably about 20 min to process all the records. I gather the script does something like 10,000 sql queries. I figure this task was just that intense and needs time to complete, but I looked at CPU and memory usage, and it is super low. Cpu usage is between 1-3% and once in a while will bounce to 50ish for 2-3 seconds. This VPS is running windows 2003 server with Apache and MySQL. Does this sound right?

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  • How to split file on Windows 2003 using MS supported tool

    - by Rune
    Hi, Is it possible to split a large file into smaller files on Windows 2003 using a tool provided/supported/sanctioned by Microsoft? I see that there are a lot of freeware tools (various zip tools) for this task, but I need to move files off of a production server, thus would like to avoid tools I don't know if I can trust. I would much prefer some tool included in the Windows Server 2003 Resource Kit Tools or something along those lines. Does such a tool exist? Thank you.

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  • ping alternative to measure routing distance (on Windows)

    - by Marco Demaio
    Hello, in order to measure aprroximately the rouitng distance (to see if a server is close to my country or too far away) I usually use ping command. I'm in Italy, when I ping Italian servers I get 36ms when I ping US EAST servers I get an average of 120ms when I ping US WEST servers I get an average of 200ms etc. Unfortunately some web hosters turn off the ping reply on their servers, so my question is how do I detect the routing distance, is there another easy to use command in Windows to accomplish the same task? Thanks!

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  • using git on DOS command line asks for password - but not when using TortoiseGit or gitBash

    - by Sandy
    I would like to use the DOS command line to enter the command: git clone "git_path.git" myDir It asks me to enter a password which I would like to avoid. I usually use TortoiseGit to do all git related operations. I would like to setup cruisecontrol using ant with a custom git task. Therefore I need to perform git clone on the command line in Windows 7. But it only works using git bash and not DOS. According to other forum entries, I tried to convert the key with puttyGen and put the file id_rsa in c:/Users/myName/.ssh I also added an authorized_keys file but it still asks for a password. Any ideas? Thanks

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  • Network monitoring library, or objects, for a cloud

    - by Andrew Smith
    I am looking for library to support server / switch monitoring, to actually be able to check with the device if it's working OK. However this requires some sort of auto-detection and device support. Basically I need to automatically detect a new device, start monitoring it like CPU and PING. So how do I auto-detect the machine remotely, this is something I need library for. Rackspace has something like this - "Cloud Monitoring API". But is there anything opensource which can be used same way? The Nagios and others doesnt have such API, and the big and expensive systems are too big to handle in public cloud, so there must be some other network monitoring engine with API, which can add a new servers automatically and support user isolation for example so I dont see other servers except mine.

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  • Inserting static current time in Excel

    - by Mike Cole
    I have a time log spreadsheet. I have a new sheet for each day. In each sheet, I have a transactional record of how my time was spent. When I start or end a task, I usually type in the time ("11:00 AM" for example). Is there a shortcut to inserting the current time into a field? I'm sure it can be done with a macro, but I'm not very knowledgeable about macros. I'd like to simply highlight a field and hit some sort of shortcut key to insert a static value of the current time. Thanks for any help!

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  • Ubuntu doesn't start and I can't login [migrated]

    - by Meph00
    My ubuntu 13.04 doesn't boot anymore. Eternal black screen. If I press ALT+CTRL+F1 I see that it's stucked on "Checking battery state [OK]." I'd like to try to go with sudo apt-get install gdm but I can't login on terminal tty2, tty3 etc. They correctly ask for my nickname, then they make me wait a lot, ask for password and make me wait again. After a lot of time (... a lot) the best I could achieve was visualizing "Documentantion https://help.ubuntu.com". I can never reach the point where I can give commands. Plus, during the long pauses, every 2 minutes it gives a messagge like this: INFO: task XXX blocked for more than 120 seconds. Any suggestion? Sorry for my bad english and thanks everyone for the attention.

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  • System Center 2012 Service Manager change request status stuck at new

    - by Chuck Herrington
    The guy that built and setup this system left rather abruptly and I've taken over. My current issues are I have several change requests that are stuck at New. They do not move to Pending or In Progress. The system is not sending emails when incidents are getting assigned to people. This used to work on this system. I have done a lot of searching and the usual solution to this of stopping and restarting the system center services does not help. Can anyone give me any ideas of where else to look? Update: From all the searching I have done it seemed like I was at the point of re-installing. My initial installation of SCSM 2012 was on a machine that was upgraded from SCSM 2010 and also hosted SCCM 2007 and WSUS. We decided to give it a fresh start on a new server by installing a second instance of the SCSM server on a brand new 2008 R2 server then promoting the new server to the workflow master using the procedures outlined in this article - Dealing with Multiple management Servers. I've gotten to the point where we have both the old and the new server up and the new server has been promoted. I had hopped to get spammed by emails all the sudden due to the workflow taking off, but no such luck. Once all the clients are reconfigured to point to the new server we still plan to decommission the old server but at this point it seems to be that the problem is in the database. Short of any other input from the community, my next plan is to install a 180 day trial on a test server, complete with a separate database so that I can do a side by side comparison between a completely fresh install and what I have now and see if I can find any differences. While that install is running I also plan on investigating the event logs to see if there is anything in there that can shed some light on what is happening on the new server. Update 2: So I've now got a test SCSM server up with a completely fresh install including Database and it seems to be able to transition Change Requests from New to In Progress. I'm attempting to find differences between the two. Stay Tuned! Update 3: In looking through the event log on the new SCSM machine i discovered: Log Name: Operations Manager Source: OpsMgr Root Connector Date: 10/9/2013 3:48:18 PM Event ID: 28000 Task Category: None Level: Warning Keywords: Classic User: N/A Computer: scsm02 Description: The Root connector received an exception from the SDK Service while submitting task status: Cannot set availability on a health service that doesn't exist. This lead me to Event ID 2800 logged after installing secondary server for System Center 2012 Service Manager SP1. I contacted MS to obtain the hotfix, BIG warning here, turns out the hotfix is not so "hot". In order to apply this hotfix, you have to uninstall then reinstall using the files they supply. :( This is where I am at now ... Update 4: Not much luck after the re-install. The errors in the event log have gone away on the new server but the workflows still aren't running and neither the event log nor the workflow status screen seem to indicate why. I've done a comparison of the Activity and the Change Request Event Workflows and I've removed everything from the production system that is not in my fresh test system (which is everything), shut down the services, cleared out the cache folders and restarted the services and still no joy. At the moment the only thing I can think to do is either a)nuke the entire system including the database and start over, losing all of our data in the process or b)contact MS (which is probably going to cost us a butt load of money and time in the end to only advise us to do the same thing. Maybe more idea's will come after coffee ... No answers came after coffee. Attempting to contact MS. Managed to get to their first line of defense, gave them our SA number and someone is supposed to call me back. I am trying to log into my incident on their site to update my ticket with the link to this thread but when i click on the link in the email they sent me it goes to a "Sorry, the page you requested is not available" page ... Linux is looking better and better all the time.

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  • Windows Server Backup 2008 - Language Incompatibilities?

    - by Chris Walters
    I have 2 Windows 2008 Server R2 machines - one is Japanese language based and the other English. When I try to connect from the English language server using Windows Server Backup (snap-in) I get the following message: "An internal error has occurred in the backup engine or the computer that you are connected to remotely is running a version of backup application that is not compatible with the version on your local computer" Both claim to be running Version 1 of Windows Server Backup. Is remote connection to non-identical language server OSs a known problem? Specifically this is seen when attempting the "Connect To Another Server" in the action pane of Windows Server Backup.

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  • Auto-scaling EC2 Servers and Updating Code

    - by jstats
    We've come to the point where we need to set up autoscaling for our web server and I'm unsure how to go about the process of scaling servers and updating the the existing code without remaking a new AMI and changing the autoscale config to use it. I've read a bit about people bundling the new code and uploading it to s3 and having new servers grab the bundle on boot up but that doesn't seem all that pleasant either. Currently the web app's files live in a git repo, and when we update the code, we push it to github, ssh into the web app and run a hook to bring down the latest code. So I was thinking that another option could be to just run that hook on an hourly or daily cron task. Unfortunately that doesn't cover everything type of update (for example new blog posts' images and such which aren't included in the git repo) but it's something. Could anyone provide some advice on what a common solution is or anything as to why my proposed solution is a bad idea? Thanks all

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  • Problem with running a flash Program from flashdrive

    - by rajivpradeep
    Hi, I have a USB drive with two partitions in it. one hidden and the other normal. i have an application which swaps the memory and runs the flash application in hidden zone. The problem is that the application works fine on windows7 and when run on WINXp, it swaps the partitions but doesn't run the flash applications but just keeps running in the background. I can see it in task manager. But, when i copy the application to desktop and run , it runs with no glitch I was facing the same problem on WIN7 too , but it was running as required when i ran it using "Run in Xp mode" and then i applied a SHIM and is running since then as required. the application is built using VC++ 2008 , What might be the problem.

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  • how to master in Windows administration [closed]

    - by Mateusz
    what is, in your opinion, best way to become real Windows, advanced administrator? Of course it's possible to obtain MS Certificates, but they're rather very expensive. Almost two years of everyday working on Linux machine, teach me, that it's very important to read system logs. Anyway, I assume that it's enough - I think that you must be familiar with almost any hive in you registry and each trick in Windows CMD and VBS- although it's high time for PowerShell, still on many maschines, you have only an opprotunity of using CMD by default (and their owners are reluctant to install anything else). How I can accomplish this task? Which groups follows (superUser - it' obligatory), which articles read?

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