GNU/Linux systems administration - Debian (more than 8 years), Ubuntu, Redhat, Fedora Core, RHEL, CentOS (more than 5 years), Slackware Solaris 9/10 on i386 and Sun hardware Virtualization - Linux-Vserver.org, VMWare, XEN ,qemu, VirtualBOX, openvz 7+ years experience with network traffic control solutions - HTB, HFSC, CBQ, WFQ/RED/WRED on GNU/Linux, FreeBSD and Cisco Routing techniques and protocols: RIP,OSPF, BGP, ISIS, etc. VPN technologies - IPSec, OpenVPN, l2tp, pptp Web servers - apache, lighttpd, nginx, tux FTP servers - proftpd, vsftpd, pureftpd DNS - ISC Bind ver.8 and 9, hostmaster of 700+ domains, powerDNS SQL - MySQL 3/4/5, PostgreSQL 7/8, Oracle 9, sleepycat db, SQLite LDAP - OpenLDAP, ADS, Fedora DS NMMS - Cacti, Nagios, Munin, JFFnms, OpenNMS, Smokeping, custom solutions Mail servers (MTAs) - postfix, sendmail, courier-mta, exim Mail servers (POP3/IMAP) - uw-imap, courier, cyrus, dovecot, dbmail IM: jabber - maintainer of the first bulgarian jabber server ja