Debian, Ubuntu, CentOS, AWS Scripting, install, configuration, hardening, optimization, Security Networking, Layer 2 and 3 advanced configuration for Linux and major hardware vendors Automation, Write Puppet code and Python scripts Load balancing, High Availability Web Apps (LAMP, CMS, migration, deploy, maintenance, ...) Virtualization (VMware / LXC) Monitoring VPN Firewalls (iptables, Astaro, Fortinet) Trainings