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Maintenance mode (HTTP 503) with lighttpd and PHP
When you put your website in maintenance mode, it’s a good idea to return a HTTP 503 error code to the client. This code indicates that “the server is currently unable to handle the request due to a...
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Fix nginx increase server_names_hash_bucket_size error
When adding new virtual hosts in your nginx configuration file, you can experience this error message: # nginx -t 2008/11/13 09:37:03 [emerg] 12299#0: could not build the server_names_hash, you should...
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Amazon is moving into CDN market
As read in Diamond Notes, Amazon is moving into CDN market with CloudFront. Some Content Delivery Network providers Akamaï Akamaï on Crunchbase BitGravity BitGravity on Crunchbase EdgeCast Networks...
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Nginx and worker_connections are more than open file resource limit warning
If you encounter this warning message under Linux: 2009/03/09 21:23:19 [warn] 26827#0: 4096 worker_connections are more than open file resource limit: 1024 A solution is to use the command ulimit in...
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Permanent redirect with nginx
server { server_name domain.com; rewrite ^(.*)$ http://www.domain.com$1 permanent; }
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Permanent redirect with Apache and mod_rewrite
Redirect old url to a new url RewriteEngine On RewriteRule /oldurl /newurl [R=301,L] Canonical domain rewriting RewriteEngine On RewriteCond %{HTTP_HOST} ^domain\.com$ [NC] RewriteRule ^(.*)$...
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Apache: password proctect your staging instances but allow your office IP
A common (good) practice is to protect your staging/dev instances with a password. It can be annoying with old browsers that don’t store passwords. To allow your office IP to connect without entering a...
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Add a C header include path to compile PECL extensions
I needed to use ImageMagick with PHP on Mac OS X. Using homebrew I added ImageMagick to my system as follow : $ brew install imagemagick And then, add the PHP extension with PECL : sudo pecl install...
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Remove trailing slash with Apache
With Apache and mod_rewrite, to avoid urls like /page1 and /page1/ to respond with the same content, you can use mod_rewrite with the following syntax: # Remove trailing slash RewriteCond...
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How to configure HTTPS/SSL under Apache and OSX
My setup : OSX : 10.8.5 Apache : # httpd -V Server version: Apache/2.2.26 (Unix) Server built: Dec 10 2013 22:06:35 Server's Module Magic Number: 20051115:33 Server loaded: APR 1.4.5, APR-Util 1.3.12...
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Nginx: mass permanent redirects
When I say “mass”, I mean reasonable amount of redirects, like a couple of thousands. I had to migrate a blog to a new URL structure. This migration led to create about 600+ unique redirects without...
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