i managed it to install on ubuntu16 with follwoing Install manual ********DOIT********** apt-get install perl apt-get install libwww-perl apt-get install libdbi-perl apt-get install libmysqlclient-dev apt-get install libdbd-mysql-perl apt-get install libgd-perl apt-get install libcache-memcached-per...

I found the solution by myself


Yes, they are deleted automatically

They are deleted everytime a script is executed

via SQL Manager (e.g. phpmyadmin) filedate to 2009 or so.

How to do that automatically?

Can i execute a script via cron?

How can i test it?