Category: Apache

Redirect all requests to the a preferred domain

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In many cases a website or web application should be accessible by multiple domains.  The Problem is, that google could treat that as duplicated content (https://support.google.com/webmasters/answer/66359?hl=en) and also the trust is divided between all domains.  That’s why google suggests to choose a preferred (canonical) destination URL and to redirect all requests to the a preferred domain (https://support.google.com/webmasters/answer/93633?hl=en). To achieve that, […]

Export or extract a certificate to or from PFX

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Sometimes you have to deliver or you even get your server certificate files in the pfx file format (personal information exchange, see https://msdn.microsoft.com/en-us/library/windows/hardware/ff549703(v=vs.85).aspx), that is commonly used in Windows based environments. The following paragraphs show, how to export or extract a certificate to or from PFX. Export cert to PFX In order to export the Certificate, Private Key and any […]

Crossdomain crossite Ajax calls within a htaccess protected environment

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Recently I had the challenge to implement crossdomain crossite Ajax calls within a htaccess protected environment (a crossover between Magento and Contao => both PHP-applications). But when the one application tried to call the other one via Ajax, I got the following error message in my developer  console in Chrome and Firefox and the call didn’t took place: […]

Login to a htaccess restricted area via URL

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To login to a htaccess restricted area (see http://www.ask-sheldon.com/protect-folder-via-htaccess/) via URL ist pretty simple (but often forgotten): http://user:password@www.ask-sheldon.com/protected/area Please keep in mind, that in this case username and password are transmitted as plain text. There is no encryption or something like that! So anyone who plays man-in-the-middle is able to steel your credentials easily by just […]

Apache directory listing settings

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Apache directory listing It is possible to let the webserver deliver a list of all files for a directory whenever a user navigates to it in the browser and there is no index file (f.e. index.html). The following Apache directory listing settings can achieve this behavior via entries in a .htaccess-file placed into the respective target folder. Enable Options […]

Redirect all traffic to another URL via htaccess

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To redirect all traffic to another URL, you can use the following Redirect-declaration in your .htaccess file. Redirect 302 / https://de.linkedin.com/in/langemarcel For example this redirects all calls to my profile domain http://www.marcel-lange.info to my linkedin account.

Get running Apache version via shell

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You can get the Apache version currently running on  your webserver by the following shell commands. Get Apache version on CentOS / Redhat $> /usr/sbin/httpd -v Get Apache version on Ubuntu $> /usr/sbin/apache2 -v    

Run Python on Apache CGI

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To run Python scripts as Apache CGI scripts you have to install and activate the apache cgi module (Ubuntu 12.04): $> sudo apt-get install python #if not already installed $> sudo a2enmod cgid #sudo a2enmod cgi in earlier Ubuntu versions And you have to add the following directive to your Apache configuration file: … <Directory /var/www/sheldonroot/cgi-bin> […]

Force HTTPS for WordPress Installations

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Just add this snippet to the beginning of your rewrite section of your .htaccess file to force HTTPS: # BEGIN WordPress <IfModule mod_rewrite.c> RewriteEngine On # FORCE HTTPS: RewriteCond %{HTTPS} !=on RewriteRule ^(.*) https://%{SERVER_NAME}/$1 [R,L] … </IfModule> # END WordPress As you can see, I placed it directly under “RewriteEngine On”. Or you can also […]

Install LAMP Stack on Ubuntu

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It’s very easy since Ubuntu 10.04: $> sudo apt-get update $> sudo apt-get install lamp-server^ The ^ is no typing error. Its necessary! Further information: https://help.ubuntu.com/community/ApacheMySQLPHP