Server Systems

• FreeBSD Server Administration
  • Packet Filter Firewall Design
  • Configuration as Network Router
  • Server Software Configuration and Administration (HTTP, SMTP, POP, IMAP, DNS)
  • Kernel Configuration and Building
  • gMirror based Software-RAID
  • System Monitoring
  • JAILS
  • Backup Implementation and Management
  • System Automation, Shell Scripting
  • Updating, Patching and Troubleshooting
• Linux Server Administration
  • Focus on Ubuntu, Debian and Gentoo Distributions
  • Server Software Configuration and Administration (HTTP, SMTP, POP, IMAP, DNS)
  • System Automation, Shell Scripting
  • Kernel Configuration and Building
  • Firewall and Security (User management, Quota, IPtables)
  • System Monitoring
  • Backup Implementation and Management
  • Updating, Patching and Troubleshooting
• HTTP Server Administration
  • Apache
  • Nginx
  • SSL Encryption and Certificate Management
• Database Server Administration
• phpMyAdmin Administration
• EGroupware Administartion
• Email Server Administration
  • Exim SMTP Server
  • Dovecot POP/IMAP Server
  • Exim and Dovecot Database Interfacing (MySQL/MariaDB)
    • Virtual Users on multiple Domains
    • Email Aliases
    • Vacation Settigs
  • Spamassasin
  • Greylisting
  • Encryption
  • Roundcube Webmail
  • Pretty Good Privacy (PGP) Encryption
• (Web based) Monitoring and (System-)Analysis Tools
  • PIWIK
  • Cacti
  • Monitorix
  • Nagios
• Domain Name System (DNS) Server
• Hardware-Configuration and Installation
• RAID System Design
• Custom-designed Backup Solutions