Programming

• PHP
• Perl
• bash
• Javascript
• AJAX
• XML
• RSS
• Tc/Tk

Databases

• MySQL
• PostgreSQL
• Oracle - beginner
• CouchDB - beginner

VOIP

• Astrerisk
• FreePBX
• PHPAGI

Operation Systems

• Microsoft Windows
• Linux administration- CentOS, SuSe, Debian
• Linux Desktops- VectorLinux, VS Live

Linux Administration

• Mails - qmail, sendmail, qpopper, dovecot, courier
• Traffic - cacti, MRTG, tc shapers
• WEB - apache, lighthttp
• DNS - BIND, tinydns
• FTP - vsftp
• Control Panels - LXadmin
• Streaming servers - Adobe Streaming Server with server-side scripting, Darwin streaming server, Wowza
• DRDB
• Heartbeat
• SVN/Subversion

WEB systems usage

• Coppermine Gallery
• OS commerce
• Cacti
• Nagios
• Munin
• JQuery
• WordPress
• TinyMCE
• BBClone
• phpBB
• SMF
• AWstats
• Angel Monitor
• osTube
• Open Flash Chart

SEO optimization

• apache mod rewrite
• lighthttp mod rewrite
• Site code optimization
• Search engines registrations
• Site link modifications

Virtualization

• Xen
• QEMU-KVM

Proffesional work

• online billing systems
• AJAX/php/mysql based TV backgrounds
• SMS authorization systems
• udp/perl/ netcotrol TitleBox control

Languages

• English
• Bulgarian /native/