Category: Webserver configuration

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: […]

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> […]

Virtual hosts (vHosts)

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Activate a vHost $> a2ensite 000-ask-sheldon.com In this example 000-ask-sheldon.com refers to the vhost configuration that is defined under /etc/apache2/sites-available/000-ask-sheldon.com . a2ensite creates a symbolic link under /etc/apache2/sites-enabled with the name 000-ask-sheldon.com that points to the configuration file /etc/apache2/sites-available/000-ask-sheldon.com. So you can see, that you can do it manually too.  Deactivate a vHost $> a2dissite 000-ask-sheldon.com In contrast […]