How will my existing Apache installation be influenced by the installation of ISPConfig 2?

The ISPConfig Apche webserver is installed in parallel with your existing Apache installation. The ISPConfig apache is only used for the controlpanel. The hosted webpages are served by the Apache that ships with your linux distribution. This means you do not have to compile special modules into your Apache in order to work with ISPConfig. ... Read more

Postfix: One of the users on the system has a CatchAll-email address. He receives all emails, even those intended for users of another site on the same server.

Please check if the domain of the users that receives all emails is the same as the domain $mydomain in /etc/postfix/main.cf. If this is the case, change $mydomain and run: postfix reload on the shell. You should never enter a domain that is used for a virtual site on the server as $mydomain in /etc/postfix/main.cf!

How to enable verbose logging in pure-ftpd on Debian Linux

To turn on verbose logging (e.g. to debug FTP connection or authentication problems) inĀ  pure-ftpd FTP server on Debian and Ubuntu Linux, execute the following command as root user in the shell: echo 'yes' > /etc/pure-ftpd/conf/VerboseLog and then restart pure-ftpd, for init based systems: /etc/init.d/pure-ftpd-mysql restart For Servers that use systemd: service pure-ftpd-mysql restart The ... Read more