Jeffrey M. Goldberg, principal of Concierge IT Solutions, providing IT (Information Technology) data center virtualization design and automation (Puppet, ssh, shellscripts) as a service to small and medium-sized businesses in and around Boston and Burlington MA. Mr. Goldberg is also a long time innovative user of Linux/UNIX, the Internet and business and home automation. When not architecting virtualized service and open source solutions to improve infrastructures and automate product deployments using VMware/HyperV/ VirtualBox and LDAP single signon, or working with X10 and Z-Wave, Mr. Goldberg develops and delivers on-site customized corporate training classes on a part time weekly or daily schedule for companies that support in-house training. Specialties include Linux Fundamentals, Advanced Linux/UNIX System Administration, Perl, Python and Shell Scripting, TCP/IP Networking and Security, Web Technologies such as Visual Basic, JavaScript, PHP, Apache, C++, Java and SQL.