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• Include page url in php error_log

  - by scatteredbomb

  I'm working on sorting out all my php errors. I've just setup so that all errors go into one log so I can view them. The problem is that I can't really see what page someone trying to access that gave them an error. Of course I can see the file where the error was generated, but these are often includes used on other pages - so I can't really see what URL a person was attempting to view when this error was displayed, so I can't really replicate the problem. Any suggestions? Is it possible to include the actual page URL?

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• UTF-8 locale portability (and ssh)

  - by kine

  I spend a lot of my time sshed into various machines, all of which are different (some are embedded, some run Linux, some run BSD, &c.). On my own local machines, however, i use OS X, which of course has a userland based on FreeBSD. My locale on those machines is set to en_GB.UTF-8, which is one of the available options: % echo `sw_vers` ProductName: Mac OS X ProductVersion: 10.8.2 BuildVersion: 12C60 % locale -a | grep -i 'en_gb.utf' en_GB.UTF-8 Several of the more-capable Linux systems i use appear to have an equivalent option, but i note that on Linux the name is slightly different: % lsb_release -d Description: Debian GNU/Linux 6.0.3 (squeeze) % locale -a | grep -i 'en_gb.utf' en_GB.utf8 This makes me wonder: When i ssh into a Linux machine from my Mac, and it forwards all of my LC_* variables with that 'UTF-8' suffix, does that Linux machine even understand what is being asked of it? Or is it just falling back to some other locale? In either case, what is the mechanism behind its behaviour, and is it dependent on any particular set-up (e.g., will i see the same behaviour on a BusyBox-based system as on a GNU-based one)?

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• gevent with Django as daemon

  - by jonathonmorgan

  I've been developing an app using django_socketio (a python port of the Node equivalent), which relies on gevent. It ships with a Django management command that runs gevent's pywsgi server, but that of course stops when I close my terminal window, just like Django's dev server. This is a proof of concept, and there's no expectation that it would hold up in a production environment, but I'd like to have the server at least "permanently" process HTTP requests, so I don't need to manually start the dev server in order to demo. I'm assuming I need to run this as a daemon process, but prior to this I've only used apache and mod_wsgi, so unsure of where to begin, or even how I would go about starting a daemon. I found gevent-spawn, which looks promising, but it's unclear to me how that code is executed. Basically, how would I use gevent to serve a Django app in a setting without manually starting/stopping the server?

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• Why is the System process listening on Port 443?

  - by ClearsTheScreen

  I am having problems starting my apache server, because port 443 is already in use. It turns out, the system process (PID 4) uses the port 443. I don't have IIS installed, the services.msc shows (predicatbly) no Exchange server running, nor WWW-Services, nor IIS. I have no idea how to find out what service uses that port short of just disabling each service one after the other, and I am not even sure that would help. I would be grateful if someone could point me towards how I can get my SSL port back, thank you :) P.S.: Of course "just switch apache to another port for SSL" would solve the problem of not being able to start apache. But I'd still like to know what is so insistent about hogging port 443. :)

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• How to tell if my sound card is listed in Device Manager?

  - by Bruhan

  The sound on my computer suddenly stopped working. When I check Sounds and Audio Devices in the Control Panel, I get "No Audio Device" with everything grayed out. When I check the Device Manager under "Sound, video and game controllers" I see the following list: Audio Codecs Legacy Audio Drivers Legacy Video Capture Devices Media Control Devices MPU-401 Compatible MIDI Device Standard Game Port Video Codecs None of these looks like my sound card. Of course, my sound "card" is not really a sound card, it's integrated with the nVidia-nForce motherboard. I'm running Windows XP. So is one of the above my sound device, or is the OS not detecting it? If the latter, how do I get it to detect it?

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• Mavericks: Safari does not login in into web services

  - by Roberto

  Since when I upgraded ML to Mavericks Safari is no longer able to log me into Facebook. When I go to the login page it suggests me the correct credentials, I hit the Login button, the page refreshes but nothing happens, like if the credentials where empty. Firefox works perfectly, I even logged out and back in to make sure the credentials are the same that Safari suggests, and so they are. Needless to say for a different user on the same Mavericks Safari logs in correctly. The same happens with most web pages that need a login, web mails for instances, I have tow accounts on different webmail providers and none of them works. Of course using the same mail services with POP3 works fine. Even on this very site I cannot post a thing with Safari, I'm going to switch to Firefox to be able to post this question. Again, Firefox or a different user are OK. Do you have any idea/suggestion?

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• Visual Studio Express 2012 - Moving items to tab control loses actions

  - by JohnP

  VS 2012 Express on Windows 7 Professional, this was pre SP1 install. I have a windows form that I had several elements (Listboxes, buttons, text and labels), with some actions associated with changing indices on the list boxes and of course the button actions. I decided I wanted to add a tab control to enable a second tab with a different feature set, so I copied/cut/pasted all of the original items to a tab control that I added. When I did this, all of the elements lost their click action in the events window. I had to go and re-associate all of them. Is this a normal behavior/known issue, or is there some method to move controls that I am not aware of?

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• How to "paint" the data layer of a CD using a CD drive?

  - by Jens

  I am looking for software to "paint" geometric shapes, dots or lines on the data layer of a writable CD (or DVD) using a standard drive. These do not have to be visible to the naked eye; I'd try to abuse the small dot size on the CD for some scientific measurements. I am aware of the "LightScribe" feature of some drives and that is not what I am looking for. Most of the software available is of course limited to write music or data, on does not offer the low-level "place a dot at this radius, this angle"-functionality. Is there something out there for me?

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• Which PSU should I chose? The biggest is the best?

  - by Shiki

  I'm fully aware of PSU's "Active PFC" and that they won't consume the written W all the time. (Makes sense). But now I'm before a PSU replacement (Guys: NEVER buy a Chieftec. Seriously.) The question is: If one can get a bigger one (in my case 750W and 650W) ... should that person go for the bigger one ? (The difference in price is not much). No, I don't think I'll soon use all that much. (Help (if you want of course) to make the question more generic if the question is really not OK in this form. I've been wondering about this for a time already. In my case it would be XFX Black Edition Silver 750W and 650W)

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• How to rewrite index.php (and other valid default files) to the document root using mod_rewrite?

  - by TMG

  Hello, I would like to redirect index.php, as well as any other valid default file (e.g. index.html, index.asp, etc.) to the document root (which contains index.php) with something like this: RewriteRule ^index\.(php|htm|html|asp|cfm|shtml|shtm)/?$ / [NC,L] However, this is of course giving me an infinite redirect loop. What's the right way to do this? If possible, I'd like to have this work in both the development and production environment, so I don't want to specify an explicit url like http://www.mysite.com/ as the target. Thanks!

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• Is it possible to cause artificial network packet loss or latency?

  - by nbolton

  I'm trying to reproduce some issues on a deployed application where the MSSQL server and client are running in two separate machines. I think there may be network issues between the two machines, so I'd like to try and reproduce these conditions on two Hyper-V virtual machines (on the same virtual server). Of course, the network for these virtual machines is "local" so it's actually far from the conditions in a live environment. Is there a program I can run on either virtual machine which will degrade the network performance? Or maybe any other work arounds? For example, one way to reproduce the conditions may be to run the VMs on separate Hyper-V servers in geographically dispersed locations (so the SQL traffic goes over VPN or something) -- but this is a little long winded I think. There must be a simpler way.

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• Apache VirtualHost, multiple sites. 1 ssl with redirect and 1 regular http

  - by pedalpete

  I've got a server with one site which I am redirecting to https via <VirtualHost *:80> DocumentRoot /var/www/html/secure ServerName secure.com Redirect / https://secure.com </VirtualHost> That works no problem. Now I'm trying to add another non-secure site <VirtualHost *:80> DocumentRoot /var/www/html/notsecure ServerName notsecure.com </VirtualHost> of course, because the redirect is on '/', all sites are getting redicted. I've tried changing the Redirect to the full document root, but no luck.

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• "Tail" a logstash server query

  - by phatmanace

  Assuming I have a logstash server chocked full of logs being loaded regularly, is there a reasonably elegant way that I can tail the results of a continuously executing query on the logstash server and show this in a terminal window e.g some-special-logstash-command.sh | egrep -v "(searchword1|searchword2)" the idea being that the command pipes stuff out of logstash and to my grep query that filters and shows me the filtered output for. .. of course if there is a logstash command that can do the grep piece for me as well, then that works too :) motivation for doing this, is that assuming all of my events from my estate is being loaded into logstash, then would be nice to have a terminal window with a continuous tail of interesting events as they occur scrolling past the screen. -Ace

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• Getting Steam.exe to run through a http proxy

  - by Kryptonite

  I'm sitting behind an http proxy which Steam refuses to go through. Trying Proxifier to fix the solution rendered an error about having to use an https proxy, though research shows that it shouldn't need one. Is it possible to make a target parameter in a shortcut? ie. "C:\Program Files\Steam\Steam.exe" --http-proxy=myusername:mypassword@SERVERNAME:8080 I have the server name and port number, though I'm yet to understand the relevance of 'myusername:mypassword', or infact which username and password these instructions were referring to. Of course, if a target parameter wouldn't work, would there be another way to get Steam to work?

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• My Windows 7 computer is stuck in a refresh rate not supported by my display. How can I fix this?

  - by Tim Keating

  Star Wars: The Old Republic apparently decided that my screen res should be 1680x1050 at 75hz. I have an older monitor that doesn't support that refresh rate. I fixed this problem within the game, but subsequently I alt-tabbed out of the game to the desktop & it reset me to those settings. Now my monitor shows a blank screen with "out of range" in Windows, and these settings persist even through a reboot. I booted into safe mode, but of course while there, I can only change the settings for the default driver. How can I get my machine back into a usable state?

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• OpenVPN: Single certificate authority, multiple VPNs

  - by darwish

  The company in which I work has a single site (I'll refer it as "Site A"). There are several private networks within site A. We have a running instance of OpenVPN which allows some employees to connect to one of the private networks in site A. We're planning to extend our facilities to another site (which I'll refer as "Site B") and we wish to connect both sites using OpenVPN. The VPN which will connect sites A to B will be a trunk link, meaning it will have access to all networks. If we use the same certificate authority for both VPN servers, this will allow the employees, which can only to one of the private networks within site A, to connect to the site-to-site link, which will give them access to all networks. Off course this is undesirable. Using 2 different certificate authorities seems like the obvious solution, but it doesn't feel right. I wounder if there's a way to maintain permission control within a single certificate authority.

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• Certain websites won't load with DHCP server

  - by Simon E

  Hi, I recently configured a server using Windows Server 2008 to take over from my router using DHCP Server. I disabled my router from assigning IPs too. All works well, except for certain sites that refuse to load e.g. "Firefox could not find www.amazon.co.uk" http://www.google.co.uk/ http://www.amazon.co.uk/ http://www.jobsite.co.uk/ I think it may have something to do with co.uk domain. If I reboot the server everything goes back to normal but of course thats not a good solution to do that every other day. Does anyone know of this problem or what it might be - I am very new to server technology.

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• Reducing volume of an audio device on windows 7

  - by bdonlan

  I have a USB headset with a very loud amplifier, but low granularity in its gain control. In order to get comfortable audio, I have to reduce the individual application levels in the mixer to '1', and the master mixer to around '10'. Of course, new applications start out at '10', and immediately blast out my ears. Is there a way to add a filter to cut down the volume some so I can get better control of it? That is, reduce the volume of '100' so I can work within a reasonable range.

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• Why won't Windows use the other CPU cores?

  - by revloc02

  In Windows Task Manager the Performance tab shows the first CPU maxed out, the other 7 just idling along with the occasional spike. What gives? More info: I've got 8GB and only 4.5GB are being used. The Processes tab has no indication of any process hogging processing power. In fact System Idle Process is 98-99. When I program stuff and have like 8 to 12 applications going (several directly unrelated to programming of course) my computer slows to a crawl. Sysyem Info: Intel Core i7-2600K Processor (quad-core with hyper-threading), 8GB RAM, Intel BOXDZ68BC LGA 1155 Motherboard, 500GB HDD

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• GVim asks for passphrase on every action when using scp

  - by Ashnur

  I want to use my vim config when editing files, but there are at least 5 different servers right now where I have to edit them. Of course I could use console (where I set up ssh-keys and and have a script so it wont asks for passhphrase), but then I have to maintain the vim config on every machine. so I decided to use gvim and browse/edit the remote machines via scp://, but on every action a popup appears asking for the passphrase. this is a ubuntu 10.10 install, with xfce installed later on. i checked in the xfce settings so gnome services should start, but it still won't remember the passphrase.

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• I want to host my own multiple Websites on my server. How do i setup my own child nameserver?

  - by basilmir

  I host my own multiple Websites on my server. How do i setup my own child nameserver? There are 4 different websites, with .com and .net and .ro at the end. I moved them to my own server. My Domain Administration (Registrar) let's me define my own child nameserver with my own IP and i've added my nameserver as my domain nameservers list. ns.something.ro as the first and only in the nameservers list ns.something.ro with my own IP address as the child nameserver I've setup everything and it works (kind of). When i use my ns IP adress directly i can of course access everything. Using "normal" external dnses will not work. As expected others on the web can't resolve correctly. What's wrong? Am i missing something?

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• Migrate servers and mailboxes?

  - by johnnietheblack

  I am moving a website from one hosting provider to another, and this of course means that I need to migrate all the mailboxes as well. Do I have to manually move all the old emails from one server to another, or will all the email clients "save" a copy of the old emails on each computer? UPDATE Pardon, the naivety - I hope this additional info helps: I'm doing this remotely, so I am not sure which email client(s) people will be using at the office, but I will need to be prepared for both POP and IMAP setups. Also, the server they currently have is on VPS.net (cPanel), and we are migrating to a MediaTemple Dedicated Virtual (Plesk). Both Linux.

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• How to get the PID of a process started by /bin/su -c

  - by crash3k

  I'm writing a init.d-script for an java-app. But the java-app should be run by another user. (The OS I'm using is Debian Squeeze.) I already got this: /bin/su - $USER - c "cd $PATH;echo $PASSWORD | $JAVA -Xmx256m -jar $PATH/app.jar -d > /dev/null" & PID=$! /bin/su - $USER - c "echo $PID > $PIDFILE" But this will of course only save the pid of the "/bin/su"-process instead of the pid of the created java-process.

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• Running Tomcat 7 and Apache 2 on the same server

  - by Thorn

  Part of my site needs to run over HTTPS and I'm creating a sub-domain for that part. I have apache httpd 2 AND Tomcat 7 running on the same server with the same IP, Apache is on port 80 of course, while Tomcat is running on port 8080. Right now I am doing domain forwarding for requests that need to run off tomcat. For example, mathteamhosting.com/mathApp can forward to mathteamhosting.com:8080/mathApp. I would like to have Tomcat handle the https requests for that subdomain. I don't think this forwarding technique can work in this case. How do I set that up so that Tomcat receives the requests on port 443 while apache handles port 80. To be more specific: http://proctinator.com == request goes to Apache web server https://private.proctinator.com == request goes to Apache web server

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• Compare Error logs across service fleet, find unique errors

  - by neuroelectronic

  I'm looking for a tool where I can list the servers to check, the location of the file and it would return a list of the most common errors across those servers (say like 2 or 3 servers for report brevity) and get a report something like this Server.A Server.B Server.C -------- -------- -------- 42 error.X 39 error.X 61 error.X 21 error.Y 7 error.Y 5 error.A 17 error.B 6 error.A 4 error.Y 4 error.A 2 error.R 3 error.S 3 error.R 1 error.S 1 error.R Of course, excluding timestamps and other error details and just grepping out the common sub-strings and listing them like so. I'd be able to look at the table and see that error.B is unique to Server.A and conclude that there is something up with Server.A. Does something like this already exist? Is this something I'll have to code myself? I'm not necessarily looking for this specific report, just the functionality to find unique errors across a set of error logs.

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