Have you ever wanted to save the sound from a youtube video on your harddisk as mp3 file? There is a handy Firefox plugin named "Youtube to mp3" available for that. Open the following link in the Firefox webbrowser: https://addons.mozilla.org/de/firefox/addon/11047/
Apache webserver: redirect requests for domain.com to www.domain.com
Many webmasters want to redirect users that access their websites with "domain.tld" automatically to "www.domain.tld". If you use the Apache web server, you can do this by using Apache rewrite rules. Add a .htaccess file with the following content in
Get a list of all virtual hosts which are defined in all apache configuration files
Have you ever searched where the virtual host of a website is defined in the apache config files? There is a handy option of the apache2ctl script which might help then. When you run the command: apache2ctl -S on the
How to disable Apache mod_security for a website in ISPConfig 3.
If you use mod_security on your server you might encounter that a website script is not compatible with mod_security. To disable mod_security (v2) for a website, add the following code into the apache directives field: <IfModule mod_security2.c> SecRuleEngine Off </IfModule>
How to remove old java versions from Windows
When you install the latest java runtime enviroment, it gets installed beside your existing java installation. With every java update, more space is used on the harddisk. To remove old java versions, there is a tool named JavaRa which can
How to convert RPM software packages to Debian (.deb)
Maybe you had this problem already: you use Debian or Ubuntu Linux and a software package that you like to install is only available in RPM format. The solution is a handy tool called alien, which converts .rpm files to
How to force caching headers with apache and squid reverse proxy
If you use a squid reverse proxy in front of your apache webserver to reduce the load, it might happen that pages are not cached correctly because the website script running on the apache webserver sends wrong caching headers. I
How to Update ISPConfig 3
The ISPConfig update script is a easy way to update a ISPConfig 3 installation. If you want to create a manual backup of ISPConfig, take a look at the instructions at the end of the article. To update ISPConfig 3,
Rerun the last command with sudo on the Linux shell
Have you ever executed a command on the shell and noticed the that you had to run it with sudo? Instead of typing the command again with "sudo" in front of it, just run: sudo !! which will execute the
Keep the spamassassin filter rules up to date in ISPConfig 3
To update the spamassassin rules regularily on your ISPConfig 3 server, add the following line to the root crontab by running: crontab -e then insert the following line: 23 4 */2 * * /usr/bin/sa-update --no-gpg &> /dev/null and save the