Esdras P.

My name is Esdras, 26 years old. I've been teaching Linux in Brazil since 2004 and I worked in multinational companies such as IBM, Portugal Telecom and TicketMaster as a Unix/Linux Administrator / Unix Security Analyst. My main responsibilities included revenue saving, security and stability using Unix/Linux systems. I have also worked as a programmer using several languages like Shell script, PERL and PHP. I manage services like e-mail servers, proxy, web server, firewall, H.A clusters, tomcat, FTP, ldap and database installation/maintenance. I have also experience and knowledge about VOIP PBX Asterisk, monitoring programs like Nagios, BigBrother, Cacti and mrtg. I have 3 international certifications (RHCE, CompTia Linux+ and LPI).