(Workstation) and GNU Linux Operating Systems both Server and Workstations. Data Recovery , Backup Solutions , Malware and virus recovery , Disaster Recovery Plan , Apache , Tomcat , WSUS, MySQL, OCSInventory, MS Active Directory, Linux HA, Loadbalancing, Bash. Network Security : Snort, Tenable Nessus, BackTrack, GnackTrack Computer Forensics : EnCase