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• Apache Server with memcache, varnish and php slow request times

  - by coolestdude1

  My issue is that these servers are taking rather long for request about 2 seconds on average just to serve files. When we had just one server doing everything it was noticeably faster even with the same web app (Drupal 6 and Drupal 7). I want to get this number down to a reasonable level and so I need some help getting to the bottom of why the request times are so slow. This can cause the webapp to hang on post or put and generally leads to a bad user experience on my sites. PS: I am more of a server newbie so this has confounded me for quite some time. The domains: collabornation.net nptrainingworks.com (they run off the same two webservers using vhost configs) The Gear: Two Rackspace 4 Gig servers running CentOS 6.2 Final They have a mounted file system (gluster) that is used to keep files the same on both machines. They are behind a rackspace load balancer running round robin. Mysql is run using php-pdo and php-mysql as such mysql is run on another instance running memcache on that machine with phpMyAdmin located there as well. Apache version number 2.2.15-15.el6.centos.1 (httpd.x86_64) Varnish version number 3.0.2-1.el5 (varnish.x86_64) PHP version number 5.3.14-1.el6.remi (php.x86_64) Configs Linked Below Apache Conf Vhost Conf Varnish Backends Varnish Defaults Varnish Acl PHP INI Again need some help, much appreciated!

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• PHP application failed to connect after a network plugged back in

  - by tntu

  My data-center appears to have had some issues with their network and thus my server has suffered from on an off network connectivity for about an hour. After the connection has been completely re-established my code still kept reporting the same issue over and over until I have restarted the service. The code is a simple PHP code that loops forever checking the Apple feed-back server and then sleeps for a few minutes and then it begins all over again. Now I understand the error being generated if the network is down but once it got back up why did it continue until I have restarted the code? Does PHP have something that needs to be re-initialized or something?? Messges log: Dec 20 08:57:22 server kernel: r8169: eth0: link down Dec 20 08:57:28 server kernel: r8169 0000:06:00.0: eth0: link up Dec 20 08:57:29 server kernel: r8169: eth0: link down Dec 20 08:57:33 server kernel: r8169 0000:06:00.0: eth0: link up Dec 20 08:57:33 server kernel: r8169: eth0: link down Dec 20 08:57:37 server kernel: r8169 0000:06:00.0: eth0: link up Dec 20 08:57:38 server kernel: r8169: eth0: link down Dec 20 08:57:44 server kernel: r8169 0000:06:00.0: eth0: link up Dec 20 08:57:44 server kernel: r8169: eth0: link down Dec 20 08:57:52 server kernel: r8169 0000:06:00.0: eth0: link up Dec 20 08:57:52 server kernel: r8169: eth0: link down Dec 20 09:10:58 server kernel: r8169 0000:06:00.0: eth0: link up PHP Error: PHP Warning: stream_socket_client(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /home/push/feedback.php on line 36 Code Line 36: $apns = stream_socket_client('ssl://feedback.sandbox.push.apple.com:2196', $errcode, $errstr, 60, STREAM_CLIENT_CONNECT, $stream_context);

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• How to execute home directory shell script file in php

  - by vvr

  How to execute /home/scripts/test.sh file in php Previously i have placed 'test.sh' file in the /usr/bin and calling in my php file like this exec('test.sh ' . escapeshellarg($testString)); But for security reasons i moved .sh file to /home/scripts directory and in my php i am calling like this exec('/home/scripts/test.sh ' . escapeshellarg($testString)); But it is not working now. Please suggest me how to achieve this.

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• How do I get PHP to work with UserDir

  - by Callmeed

  I've got a fresh CentOS 5.5 box and have installed Webmin+VirtualMin 3.79. I've enabled UserDir in apache and the sites are visible via http://ipaddress/~user/ but PHP does not work. (PHP works fine if I visit the site via it's domain) Here's what I put in my httpd.conf to get where I'm at: <IfModule mod_userdir.c> UserDir public_html </IfModule> <Directory /home/*/public_html> Options -Indexes +IncludesNOEXEC +FollowSymLinks +ExecCGI allow from all AllowOverride All AddHandler fcgid-script .php AddHandler fcgid-script .php5 </Directory> When I try to hit a PHP file, I get a 500 error and the following is logged to /var/log/httpd/error_log: suexec failure: could not open log file fopen: Permission denied Any help/direction is appreciated.

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• reinstall PHP as apache module

  - by Ewan

  Hi sorry for the newbie question, I am not a sys admin by any means. I recently set up a VPS with webmin/virtualmin. Our CMS of choice says that PHP needs to be run as an Apache module in order to run. It says: Recompile PHP with the flag --with-apxs I've googled but can't find how to do this particularly. I think I installed PHP using "yum install php" or thru webmin, but can't remember exactly. Appreciate if anyone can point me in the right direction.

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• Can php be installed on a windows server?

  - by user40709

  Can php be installed on a windows server?

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• Find the php script thats sending mails

  - by adam

  Hi, Is there any way for me to find the php script that is sending emails. I have apache+php ( no mod_suphp neither suexec ) in a "standard" install, and i want to find out witch php script is sending emails, when i check the logs i just see the uid of the user that's sending the emails ( in my case apache ) but i want to find out the script that's originated the email. Is it possible or i must install suexec or mod_suphp to keep trac of that ? Thks for the help.

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• PHP cURL how to check if compiled?

  - by Probocop

  I'm trying to get the cURL extension for PHP working in IIS. If in my php.ini file there is no ;extension=php_curl.dll, does that mean that PHP has not been compiled with cURL? Thanks.

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• IIS + PHP + Page with lots of images = Intermittent 403 errors

  - by samJL

  I am using an up-to-date Server 2008 R2 Datacenter, running IIS 7.5 and PHP 5.3.6/FastCGI On PHP pages with lots of images (60+), some of the images fail to load It is not always the same images-- on each page refresh an image that worked previously may not load, while an image that did not now does Looking at the Net tab in Firebug reveals that the failing image requests are 403 errors All of the images are located on the server in question, and the images directory has the correct permissions I believe this problem is the result of a limit on requests All of my attempts at researching this problem point to maxConnections setting in IIS, yet mine is set at the highest/default of 4294967295 (maxBandwidth too) I am also running a ColdFusion site on the same IIS installation, and it does not suffer from 403's on pages with lots of images I am left thinking that there is another connection limit (in PHP or FastCGI?) overriding the IIS connection limit I don't see anything that looks like a request limit in the php.ini, what am I missing? Any help would be appreciated, thank you

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• PHP file download sometimes

  - by user42092

  Hello all. I have a little problem with my apache centos server with php 5.0 and mysql. When I open multiples files, sometimes, it show de pages .php for download. I think that PHP have a problem, because it happens only when I open many browser windows (like 30). How can I solve this issue?

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• IIS + PHP Data Objects + MS SQL?

  - by jldugger

  We're migrating an LAOP server to Win 2k8 IIS7 MSSQL and PHP (WIMP?) at work, and I'm using the opportunity to clean up the PHP. Currently it doesn't use PDO, and I'd like to rewrite the PHP to use that instead. Challenge is, I don't know much about MSSQL and PHP deployment on Windows. The official MSSQL PDO object is experimental / depreicated and recommends PDO-ODBC. Microsoft just announced a driver supporting PDO. Is there no other PDO driver? How does SQLSRV contrast with PDO-ODBC?

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• PHP scripts run only in webroot directory,and return 500 error in other dirs

  - by a44

  I have uploaded a folder with php scripts and they run only when they are in the webroot directory,Everytime i try to execute php script in some internal dir,i get internal server error,even if it works in the parent directory EDIT:So,i it's apache 2 server,nothing is logged in my error log about the errors in the internal directory , permissions for php file and for the direcory are -rw-r--r-- drwxrwxr-x

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• PHP-FPM processes holding onto MongoDB connection states

  - by Brendan

  For the relevant part of our server stack, we're running: NGINX 1.2.3 PHP-FPM 5.3.10 with PECL mongo 1.2.12 MongoDB 2.0.7 CentOS 6.2 We're getting some strange, but predictable behavior when the MongoDB server goes away (crashes, gets killed, etc). Even with a try/catch block around the connection code, i.e: try { $mdb = new Mongo('mongodb://localhost:27017'); } catch (MongoConnectionException $e) { die( $e->getMessage() ); } $db = $mdb->selectDB('collection_name'); Depending on which PHP-FPM workers have connected to mongo already, the connection state is cached, causing further exceptions to go unhandled, because the $mdb connection handler can't be used. The troubling thing is that the try does not consistently fail for a considerable amount of time, up to 15 minutes later, when -- I assume -- the php-fpm processes die/respawn. Essentially, the behavior is that when you hit a worker that hasn't connected to mongo yet, you get the die message above, and when you connect to a worker that has, you get an unhandled exception from $mdb->selectDB('collection_name'); because catch does not run. When PHP is a single process, i.e. via Apache with mod_php, this behavior does not occur. Just for posterity, going back to Apache/mod_php is not an option for us at this time. Is there a way to fix this behavior? I don't want the connection state to be inconsistent between different php-fpm processes.

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• Running php and java in parallel on the same server

  - by manni

  I have got a java server from Rackspace. and I am already running a java application on the server. Now I want to run a php application on the same server. What should I do? When I asked Rackspace people, they said, apache is already installed on the server so I can run the php on it. I have also tried installing php on the server and then copied my php files in var/www/xxx but when I hit the url it is saying giving the page not found error. They have given me the ssh server root username and password. Thanks in advance.

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• PHP mail() function stopped working on Windows 2008 R2 IIS 7.5. Why?

  - by Karl

  PHP 5.3.13 and as noted IIS 7.5. PHP mail() was working fine until I did 3 things (at the same time). (a) added memory to the server taking it from 4gb to 5gb; (b) ran Windows Update and applied all available updates; (c) removed SQL server installation. Windows 2008 R2 SMTP server still works fine. I know this because I can drop a file in the pickup folder and the mail is delivered. This PHP test script: <?php $to='my_name@another_domain.com'; $subject='Test email using PHP'; $message='This is a test email message'. "\r\n"; $headers='From:[email protected]' . "\r\n" . 'Reply-To:[email protected]' . "\r\n" . 'X-Mailer: PHP/' . phpversion(); mail($to, $subject, $message, $headers, '[email protected]'); ?> creates this entry in the PHP log file: mail() on [C:\www\pgs.com\store\admin\test_php_mail.php:1]: To: my_name@another_domain.com -- Headers: From:[email protected] Reply-To:[email protected] X-Mailer: PHP/5.3.13 PHP's mail.log. When using PHP now, I never see a file dropping on the IIS pickup folder. And on other thing, when using previouly working features on the site (such as password recovery), there is no entry made in the mail.log. (The mail log has just been setup to help solve this problem.) How do I fix this? Or at least how do I diagnose the problem? Thanks.

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• php-cgi.exe process on IIS

  - by HYP

  The production server runs a PHP application on IIS 6.0. During the peak hours we have had a few issues where the php-cgi.exe processes increase in numbers and approach around 200. The server comes to a crawl and we have to restart the server a multiple times to restore the normal behavior. When the server is running normally, I have noticed that there are only 10-15 php-cgi.exe processes in the task manager. What could be causing the php-cgi.exe processes to increase in number from 10-15 to around 200 during the peak hours? Where should I look for a cause?

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• php apache unknow 500 error

  - by JohnathanKong

  I currently have an error with my apache/php installation on a centos system. I checked the log files in /var/log/httpd and in my logs directory as specified in my virtual host file, but they are not getting populated with errors. I've also set php to log errors, through the php.ini, to the /var/log/httpd/ but the error file is not getting created. When I setup the display_errors = On in the php.ini all I get is a blank screen. this is a git controlled project that is running off of an ubuntu server that works perfectly, so there is something missing from this server. My question is, is there any way I can get more info on the error that I am getting? I just need something that I can trace back. I am using a codeigniter framework, so for me to trace through the code will take days. Thanks!

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• "Permission denied" & 500 Internal Server error serving PHP in Mac OS X

  - by Abhic

  I just set up Web Sharing in Mac OS X 10.6.2 Snow Leopard. My httpd.conf allows for ExecCGI and all the folders and files are readable by everybody and even writable by me. I put a simple Hello World in index.php in my base site and yet my apache error log shows this: [Thu Mar 18 00:17:18 2010] [error] [client 192.168.11.135] (13)Permission denied: exec of '/Users/abhic/Sites/index.php' failed [Thu Mar 18 00:17:18 2010] [error] [client 192.168.11.135] Premature end of script headers: index.php <html> <head> <title> Hello </title> </head> <body> <?php echo "Hello"; ?> </body> </html> is what my index.php looks like placed in /Users/abhic/Sites My browser shows a 500 Internal Server Error Any help would do me good in the middle of the night. I have been trying to solve this for way too long. Thank you.

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• Best Practice for upgrading PHP On Production Systems

  - by Demic

  We Have two load balanced web servers running php 5.3. I've been asked by our dev team to upgrade php to 5.4 because they need certain functionality it will bring. The main issue is that 5.3 is the latest thats been built into the distros repository, so to upgrade using the package manager, Ill need to add another 3rd party repo. I dont have a problem with this per se, but Im concerned about using a package from a "non official" source. The other option is to compile php from source, but I guess this will prevent me from using the package manager to upgrade at any stage in the future? So I guess Im just looking for some guidance on which way to go. Compile from source or install from any old repo that purports to supply php 5.4? Or perhaps theres a third option I havent considered? Thanks in advance Demic

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• Can't get PHP Errors in IIS7.5

  - by Erling Thorkildsen

  I've tried the previously answered questions regarding this to no avail. Just installed PHP5 and IIS on my Windows 7 machine and I'm having trouble getting PHP Errors displayed instead of 500 Errors. In PHP; error_reporting = E_ALL display_errors = On In IIS I have htmlErrors set to Detailed which shows a detailed IIS 500 Error page. If set to Custom it shows a basic 500 Error page. If I set it to PassThrough I get a blank page (view-source reveals no code). My PHP log file is showing a Fatal PHP Runtime Error.

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• Debian 7 and PHP 5.4.4 error reporting

  - by milovan

  I use default php.ini and then in my PHP script (local.settings.php in Drupal) I simply set ini_set('error_reporting', 'E_ALL & ~E_NOTICE & ~E_STRICT'); According to documentation this means "show all messages minus notice and strict warnings". But in my case it still shows strict warnings! I have no idea why, because I clearly stated "~E_STRICT". If I comment it out then I see strict warnings. So it means that default from php.ini "E_ALL & ~E_DEPRECATED & ~E_STRICT" didn't do its job as it also has "~E_STRICT" but I still see strict warnings. On Debian 6 there was Suhoshin patch which was controlling usage of php_ini in PHP scripts. Especially when you try to get more memory than defined cap. Now on debian 7 there is no Suhoshin nor any other security element that might control php_ini. So what might cause php_ini not to be executed? Is there some new variable / setup / other that needs to be checked?

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• PHP file write permission

  - by user125862

  I have two files, one php file and one log file. The permission has been changed to the following: -rwxr-x--- 1 www-data www-data 294 2012-06-25 10:17 function.php -rwxr-x--- 1 www-data www-data 0 2012-06-25 09:53 log.txt The permission is set to 750. when I call function.php, I receive the following error message fopen(log.txt): failed to open stream: Permission denied This is the line : $fp = fopen("log.txt","a"); I am very confused. I have php and the file to be written both under www-data now, so why would there be any permission problem? Please help

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• ACL suggestions needed for a small light framework developed

  - by Sai

  Hello all, I've developed a small framework that was needed for the firm that I work. The problem is I've not made a full level framework, as developers are finding tough time to understand what is what, So I made a simple structure with app/controllers, app/models, app/views so that they can clearly separate the code and can get used to higher frameworks later. All other things like components/modules/helpers are just coded for now in a file called app_functions.php. The above framework is derived from cakePHP, not all, but just the framework uses a modified code of dispatcher of cake. The models all work with normal sqls, and views with pure html using a template engine. Now I'm trying to develop a small application over it, it cameout well, but ACL is something which many versions of it have not proved that satisfactory. Can anybody suggest a good ACL. I've checked phpGACL(too heavy), Zend_ACL likely won't be compatible, Cakephp's ACL which wont fit in the structure,as we are not using cake's SQLs, as there too many queries hitting the database for one page display.

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• Securing input of private / protected methods?

  - by ts

  Hello, normally, all sane developers are trying to secure input of all public methods (casting to proper types, validating, sanitizing etc.) My question is: are you in your code validating also parameters passed to protected / private methods? In my opinion it is not necessary, if you securize properly parameters of public methods and return values from outside (other classes, db, user input etc...). But I am constantly facing frameworks and apps (ie. prestashop to name one) where validation is often repeated in method call, in method body and once again for securize returned value - which, I think, is creating performace overhead and is also a sign of bad design.

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• Is there a trend for cross-platform GUI toolkits?

  - by Anto

  What is the trend like for the usage of cross-platform GUI frameworks right now? Are more people starting to use cross-platform frameworks (such as GTK+, Qt and wxWidgets) or are there more who use more platform-tied frameworks (e.g. Cocoa or WPF)? Is it more or less stagnant? Is it like a rollercoaster? What do you think the trend will be like, say, 5 years from now? The OS landscape is shifting with less people using Windows (personal observation). This should increase the demand for cross-platform toolkits, shouldn't it? Edit: Also, which (cross-platform) toolkits are growing the most, if so?

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