Teacher of a Vocational School, SMK Sakti Gemolong, Sragen Central Java, since 2009, teaching Linux Network Administration and Physics. Freelance as a system administration. Do not like piracy and prefer to use Free and Open Source Software, love to share knowledge (especially fot students) about Linux.

Ernawan presents 1 Event:

• Network Simulation Software with Packet Tracer at openSUSE.Asia Summit 2016