Web server architecture

Layer 4 Switch

reliability, load balancing

Web server

Linux, Apache, PHP, PHP-based layout system TUCAL

• www.tu-chemnitz.de – central web sites, data in /afs/tu-chemnitz.de/www/root
• www-user.tu-chemnitz.de – personal homepages of users, data in HOME/public_html

AFS server

data storage = web space: Access from all URZ computers via file system

Database server

MySQL/PostgreSQL for PHP applications

Authoring server

access via WFM or also via SSH, SCP, SFTP