Advanced Server Administration Tasks include: Examples of such tasks include:

• Remote OS installation
• Custom firewall configurations
• Cluster DNS setup
• Disk quota setup
• Setting up local and remote server backup
• Installing Perl modules
• Customizing apache settings
• Email server customization
• Custom kernel installation from source
• Securing the insecure partitions
• Detecting and controlling email spammers using the logs
• PHP recompilation with custom modules
• Running file system check
• Periodical security audit
• System health check up and advices
• Standard server hardening
• Critical server setting chages
• Flood / DoS attack control

and so on ...