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IRC Services with failover support?

- by insertjokehere

I run a single server (call it 'server A') IRC 'network', and thank to the generosity of some friends, I have been given a second server ('server B') that I can run an IRCd on in order to provide redundancy in case server A crashes. This is fine, I can set up a round-robin DNS with the servers linked. The problem I have is what to do about services? Does anyone know of a way to get the services to 'fail over' in case of a server failure? Eg, Server A starts off running the services, but suddenly crashes. Server B detects this and starts its own copy of the services (ideally with the same configuration and data as the services on Server B) One solution that comes it mind is to write a bot that each server runs, that sit in a channel periodically checking if the bot from the other server is in the channel. If it is, then all is well. If not, then failover. I would prefer not to have to code this myself though We are currently using Unreal IRCd and Anope services on Linux

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Chipset GPU causes a massive slowdown

- by zyboxenterprises

My AMD Radeon HD 7700 recently broke (fan stopped working and GPU overheated), and now I'm running on internal chipset graphics, and it causes a massive slowdown of the whole PC. I've changed the graphics memory from 32MB (minimum) to 256MB (highest), and it hasn't made any difference whatsoever. I'm using Windows Aero, and disabling it should have made a small difference, but it didn't; the whole PC is still slow. I know that it's not the computer build, because I built it myself, and it was a lot faster when it had the AMD Radeon HD 7700 in it, which is the reason why I believe it's the internal chipset graphics that are causing the problem. Is this behavior normal? I don't have the cash right now to go out and buy a new dedicated GPU. I'm using an ASRock N68C-GS FX motherboard with an AMD FX 4100 (overclocked to 4.3GHZ), with 4GB RAM. The overclock was an attempt to resolve this issue, and it isn't related to this issue that the integrated graphics is causing a slowdown.

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SQL Server 2008 Log-shipping: Without a UNC drive: how?

- by samsmith

My real question here is... is there a tool I can use? (E.g. I have a lot to do, and would prefer not to script it all up myself!) Anyone using the redgate (hmmm, they had a tool for this, but I do not see it on their web site now...) I have a primary web app at rackspace. Am setting up a backup copy of the app in another data center. I want to use SQL log replication to sync the db. Using SQL Server Web Edition. TIA for suggestions and insight!

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How much does the geographical location of DNS servers matter?

- by GreatFire

We have started to run our own DNS servers located in Asia since that's where our main audience is. However, it seems that some users in the US are having difficulties accessing our website sometimes. I've noticed myself that DNS lookups of our domain from the US are relatively slow (500 msec+). Maybe the problems some users are having are due to other DNS configuration errors, but in general, how much of an issue is the geographical location of DNS servers? Should we have an additional server in the US?

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how to rewrite or redirect old or missing or invalid url to 404 page

- by kath

I recently upgraded a site and almost all URLs have changed. I have redirected all of them (or so I hope) but it may be possible that some of them have slipped by me. Is there a way to somehow catch all invalid URLs and send the user to a certain page I am using PHP Thanks so much! error file is already in .htaccess but seems nothing going to change you can see the error file as below AddHandler application/x-httpd-php5s .php ErrorDocument 404 /content/404.php <IfModule mod_rewrite.c> RewriteEngine on RewriteBase / here are 2 different url one the first one is old one which i edited and the secound one is edited one #1 old one (which is no longer on the server) http://adsbuz.com/vehicles-cars/toyoya/2009-toyota-land-cruiser-gxr-4686.htm #2 the editet one which is on the server http://adsbuz.com/vehicles-cars-for-sale/toyoya/2009-toyota-land-cruiser-gxr-4686.htm i need only the secound one with the vehicles-cars-for-sale because the other directory is already modified and its not on the server but as you can see after the (adsbuz) site name vehicles-cars and vehicles-cars-for-sale both are opening for same location I hope I made myself clear

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Extract part of a image from a big image

- by rajat

I have a 6 images , and each image has a certain section that i want to save as a separate image , the problem is that it has to be accurate because i am doing some animation using the sub-image so they should exactly . so I want to accurately extract a that part from each of the 6 images , i can't do it using a image editor in which i have to make the bounding box myself because it will not be accurate , is there any program that lets me do this by like defining a box using numerical values. PS: I don't want to write matlab or opencv program for this .

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How to delete system default printer forms?

- by matt wilkie

On Windows there are system default printer forms which can't be deleted from the Print Server Properties dialog. Is there some other way they can be removed? We are never going to use page sizes like Envelope, B5(JIS), US Std Fanfold, etc. and I'd like to save users (and myself!) from having to scroll through a big long list of noise. Our print servers are Windows Server 2003 if that makes any difference. thanks.

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Set resolution of unattached display in OS X?

- by Brad

I have an HDTV that I'm hooking up via DVI to HDMI from my Mac mini. In my struggle to eliminate overscan I managed to set the screen resolution to something not supported by the tv. How do I change the resolution without that screen attached? Specifically my tv says it's "720p and 1366 x 768 Resolution". The 720p resolution option in OS X made for a ton of overscan (couldn't see menubar or dock at all). So I tried something x 768 and managed to shoot myself in the foot with an unsupported resolution. I thought it was okay to experiment since a resolution change times out if you don't accept it. Apparently that didn't happen for some reason. I've already deleted the com.apple.windowserver.plist in /Library/Preferences as I saw suggested in other places, with no effect.

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PsExec - what if the .exe you run remotely requires user interaction?

- by Luca Matteis

I use PsExec to deploy small .exe files to my workstations. Sometimes the .exe, for some reason, is incompatible with the system and opens a popup window with an error or some other message. Is there any way to know when the executable is 'stuck' there requiring user interaction? On my side I just have psexec running and waiting for the .exe to return (which will never return because the popup is stuck there). Since I run PsExec programmatically and I automate all the executions, when this Popup thing happens I find myself with hundreds of psexec processes stuck there and have no result back from them.. What's the best way to handle this sort of issue? Thanks.

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How do I tell if my solid state hard disk is bad?

- by Guy

I have a Windows 7 Ultimate computer (Shuttle) that I built myself and in it I put a Solid State Drive (SSD). It's been working well for a number of months but now when I start it there are problems. I have 2 users setup on the computer and when I try and sign in with either user it claims that the password is incorrect. I could understand the odd typo but I've had my wife try it as well and we've got the passwords correct. On top of that it will remain at the login screen for 1 minute and 20 seconds and then spontaneously reboot without shutting down. So I'm trying to work out if this is a hard disk problem or something else. Any ideas? (I have a nightly backup to a WHS so it will be easy to recover but I don't want to do that unless I have to and don't want to waste time putting in a new HD just to discover it's something else.)

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Why does subshell not inherit exported variable (PS1)?

- by amn

After some debugging I finally narrowed down the problem as to why my X session xterm prompt does not appear according to my PS1 setting. If I run sh -c env, it doesn't even show PS1 in the list. Why? export PS1='test' sh -c env # No PS1 in the list, default prompt appearance (shell name + version) Substituting sh with bash yields same result, alas the behavior appears to be the same for both shells/modes. As far as I understood from man bash, the environment resulting from command run by shell with -c should include the exported variables. And it does - exporting FOOBAR results in FOOBAR listed in env run by subshell. It appears that the story is different if the variable is PS1 however. What is going on? I want my prompt propagated throughout the process tree and system. For matters sake, it is set in /etc/profile.d/user.sh (a file I created myself) with the following: PS1='\u@\H \w \$ ' export PS1 I am running Arch Linux (updated yesterday.)

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Windows 7 [virtualized] resolutions in Macbook Pro Retina

- by Trevor Sullivan

So, I was considering picking up a Macbook Pro Retina, but then I realized that Apple forces you to scale the resolution, so you don't actually see the true benefits of the 2880x1800 display. Instead, you see upscaled, pixelated icons -- I saw this for myself in an Apple store a couple days ago. That's ok though, because the main reason I'd purchase one is to run Windows 7 on it, however I understand that the bootcamp drivers have not been updated to work with the MBP Retina. Instead, the option would be to run Windows 7 virtualized, but I haven't found any conclusive evidence to indicate whether the entire 2880x1800 resolution would act the same virtualize (VMware Fusion, VirtualBox, Parallels) as running Windows 7 natively. My question is: Does Windows 7 see the entire 2880x1800 virtualized, same as running it on bare metal (boot camp)?

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Updating autoreconf

- by AzaraT

So I need to use the autoreconf to configure a package. However I need at least version 2.61. I'm on CentOS 5.8 and it seems like there's no package for it so I went on to compile it myself. So I get the source of autoconf from http://www.gnu.org/software/autoconf/ and compiled that. And sure when I do autoconf -V it shows up as version 2.68 which is indeed the latest version. However autoreconf (nothing the re) still shows up as the old version 2.59 which causes me some problems. So could someone help a relatively new linux user, updating autoreconf properly? Thanks

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SharePoint 2010 MySites - Simple explanation needed!

- by Chris W

I've been playing around with the 2010 beta for a couple of weeks, experimenting with topology options etc. I think I've got myself totally confused as to how it works hence if there's any SP experts out there that can explain things in simple terms for me I'd appreciate it! I want to setup a farm with 3 servers providing the content & MySites. I presume that the way to do this is to load balance or DNS round robin traffic between the 3 servers. The bit where I'm confused is that My Site Settings page asks for a specific My Site Host hence all my site traffic will be pushed to a single server even though we have 3 in the farm. If this hosts fails I presume MySites will be unavailable. Is this right? How do I configure it so that access to MySites is load balanced across the 3 servers in the farm?

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Taking an image backup of an entire server?

- by WarDoGG

I am currently using a dedicated server for my hosting needs. However, the costs are too high and I would like to suspend everything until I work out my business strategy again. Is there a way I can take a complete backup of the filesystem and run it in VMWare ? I cannot just copy the entire filesystem because there are lots of tools installed and tight changes to the server configuration files I myself dont know about (by the developers), but I need a snapshot of the entire disk image along with processes installed and everything is as is because for development needs, I need to work on this copy in VMWare or VirtualBox etc. Is it possible for me to take a full image copy ? How do I do it ?

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Will Windows Barf on Constant Video Driver Overwrite?

- by Maarx

So, I've got a Win7 64-bit gaming PC with GTX 260's. Recently, StarCraft 2 had an issue with flickering, which NVidia fixed with a new set of drivers. However, these new drivers induce unplayable graphical errors with Neverwinter Nights 2, something me and my friends still play from time to time. I am seeking advice on the "best" way to rectify this situation, to be able to switch between two driver releases, without compromising the stability of my system (if Windows stability isn't an oxymoron). I'm wondering if Windows 7 is structured in such a way that I can constantly reinstall these two sets of drivers back and forth overtop each other, possibly six or eight times a day, without very quickly driving myself to reformat to maintain that "just like new" performance. I'm loathe to have to reformat the drive and maintain two copies of the operating system, but I'll do it if I have to.

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Any way to make service do not autostart in Ubuntu/Debian, but leave K00 scripts in place?

- by Evgenyt

I need to have only stop scripts in rcN.d (runlevels 0,1,6) for apache2. So that I always start it by myself, but when reboot occurs server will shut down apache2 properly. And when I change runlevel 2-3 server doesnt' touch apache daemon (leaving it in the state it is). Basically, I just need a legal way to remove apache2 startup symlinks from rc2.d - rc5.d. With tools like update-rc.d. I can just remove those symlinks by hands, but I'm not sure if this is a proper way for this.

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Offset AND incremental backup

- by Pyrolistical

I already do backups from my main computer to my server computer using synctoy. But now I also want to do off-site backup. My idea so far: have source hard drive (we'll call S) at home have backup hard drive at work called B have transport hard drive called T connect T at work and record index of files on B take T home and check index of S and note new/changed/deleted files and copy changed files to T take T to work and update S repeat Its basically a sneakernet and using all of the advantages of it. High bandwidth, low latency. Is there some software to do this, or do I have to write it myself?

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How to track usage of a HP Network Printer?

- by NinethSense

I have a HP Printer (HP Color LaserJet CM1312 MFP Series PCL 6) installed which is used by nearly 200 PCs through LAN. I want to track the usage like: Who (IP Address) initiated the print task Time Status: Success or Failure How many Pages Color or Gray Scale etc. I checked the manuals and nothing about this requirement is available. The built-in control panel log displays only last 10 activities. Is there a way to track these information? Is there an API avaialble so that I can make an application myself?

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Configuring php with apache

- by R11

I managed to thoroughly confuse myself with php configuration in my apache install (on a mac). I am trying to get xdebug to work in eclipse and noticed that there are two different installs of php on my machine. The one (v5.4.5) in the apache install directory /opt/local/apache2/ and another one (v5.3) in the default system directory /usr/bin. My questions are: The php in the apache install directory was installed by me from source. But it does not have a php.ini file, instead it has PEAR.conf and other bunch of conf files. What are they and did I install something wrong? Can I compile apache with php support and have it use the php from the system directory right? How do I know which php its using? httpd -M is the only command i can see. Can I force apache to use a different php?

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A complete tool for auditing and archiving emails would be helpful for the community?

- by Renato Todorov

Please, don't treat this like a discussion question, I'm looking for direct answers: Yes / No, because... I work on a financial company and I'm needing a tool for email archiving and auditing. The compliance sector is asking for it and I have to provide it. I've searched and found two solutions: MailStore (commercial, Windows only) and Enkive (open source, very poor UI and lack of features). I'm using Postfix as MTA and Courier for IMAP/POP access. I'm almost deciding to write it myself, I have the knowledge needed, but I'm wondering right now if it's worth to put (a lot) more hours to make it open source and user friendly. So my question is, have you ever had the same need? Would this be a helpful solution? Is there any other good tool that I haven't found? Thank you!

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Custom Transport Agent: How do I collect NDRs and all other undeliverables in Exchange 2010 from the Postmaster?

- by makerofthings7

I'm trying to collect all NDRs in a single mailbox for all invalid recipients, and anything that fails for any reason. I have a custom transport agent, that I've written myself that appears here: [PS] C:\Windows\system32>Get-TransportAgent Identity Enabled Priority -------- ------- -------- Transport Rule Agent True 1 Text Messaging Routing Agent True 2 Text Messaging Delivery Agent True 3 Routing Rule Agent True 4 **** Sometimes when I run get-messagetrackinglog I get failures like this below RunspaceId : 4ecc61fb-13b9-4506-b680-577222c9bf21 Timestamp : 10/14/2013 12:42:42 PM ClientIp : ClientHostname : Exchange1 ServerIp : ServerHostname : SourceContext : Routing Rule Agent ConnectorId : Source : AGENT EventId : FAIL InternalMessageId : 4416 MessageId : <[email protected]> Recipients : {[email protected]} RecipientStatus : {} TotalBytes : 4542 RecipientCount : 1 RelatedRecipientAddress : Reference : MessageSubject : review CGRC due diligence. Sender : [email protected] ReturnPath : [email protected] MessageInfo : MessageLatency : MessageLatencyType : None EventData : How can I collect the NDRs in a single mailbox for review? I have already set the following command but it is of no effect [PS] C:\>set-TransportConfig -JournalingReportNdrTo [email protected] -ExternalPostmasterAddress [email protected]

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Postfix sending mail back to itself? (Ubuntu 9.10)

- by webo

I setup Dovecot and Postfix using the "Dovecot-Postfix" package with SASL and all that. The Dovecot part seems to be working fine but I'm having issues with Postfix. Whenever I send a message to another address through the postfix server, two things happen. the message never gets to the other address (even when I request a delivery notification, it says that it's been delivered but it's not in the spam box in the other inbox or anything) The message comes back to my inbox through Dovecot as though I sent it to myself internally. e.g. I send an email through my postfix server to my gmail account, 10 minutes later nothing shows up in my gmail account but the message comes back to me as though I was sending it to my internal address (with no errors) Any ideas?

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How to setup exchange server mail and address book accounts on mac - Snow Lepord?

- by Abhishek

I just got myself a mac, and I've been a long time windows user. So I'm exploring the built in apps, and I wanna setup my 3 mail accounts (1x gmail, 1x hotmail, and 1x corporate using google apps), but I want them to work the way they work on my iphone and my ipad - Using exchange... It really makes life easy to be able to receive and respond to mail instantly, not to mention the contact and calendar syncing... Any ideas? I have found the 'Exchange 2007' and 'Exchange IMAP' options when setting up the account, but things like the server address and all?

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How can I add a favicon to a bookmarklet in Google Chrome?

- by pattulus

I'm on OS X and I want my bookmarklets to have favicons. I already found two articles but they didn't help much: http://www.tapper-ware.net/blog/?p=97#comment-2076 It's a great article but as I understand it this doesn't seem to work for Chrome :( http://www.tech-recipes.com/rx/3032/google_chrome_how_to_change_icons_on_the_bookmarks_bar/ The problem with this tipp is - if I'm wrong, then please correct me - that after I cleaned the history, the cache, etc. the whole thing will be gone again. If there is a chance to modify the bookmarklets by hosting them myself I'd instantly do it, but I found no solution so far.

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