Profile

User Profile

GNU/Linux systems administration - Debian (more than 9 years), Ubuntu, Redhat, Fedora Core, RHEL, CentOS (more than 6 years), Slackware (more than 11 years), ArchLinux

Solaris 9/10 on i386 and Sun hardware (4 years)

Virtualization - linux-vserver.org, VMWare, XEN, qemu, VirtualBOX, openvz/Virtuozzo

8+ years experience with network traffic control solutions - HTB, HFSC, CBQ on GNU/Linux, pf/ALTQ on FreeBSD, WFQ/RED/WRED on Cisco - managing bandwidth for 20k+ users

Highly experienced with various routing techniques and protocols, including RIP,OSPF, BGP, ISIS, etc.

VPN technologies - Ipsec (racoon/kame, Open/FreeSwan), Cisco, OpenVPN, l2tp, pptp

Web servers - apache, lighttpd, nginx, tux, boa, cthulu, khttpd and others

FTP servers - proftpd, vsftpd, pureftpd and others

DNS - ISC Bind ver.8 and 9, hostmaster of 1500+ domains, powerDNS

SQL - MySQL 3/4/5, PostgreSQL 7/8, Oracle 9, sleepycat db, SQLite

LDAP - OpenLDAP, Active Directory, Fedora Directory Server

Network management and monitoring systems - 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 jabber.minus273.org

Maintainer of one of the Debian GNU/Linux mirror servers

Collaboration - Zimbra, Kolab

File servers - NFS 3/4, SMB

Hardware:
Switches - HP, Extreme Networks, Cisco, Intel, Allied Telesys
CMTS/CMs - BigBand (formerly ADC), BayNetworks, Motorola, Scientific Atlanta, Cisco, RCA Thompson, Terayon, 3Com
Servers and PC - strong skills in troubleshooting hardware from major vendors like HP, IBM, Dell, etc.
Routers - Cisco, Juniper, PC-based routers (eg. Vyatta, Xorp, Quagga)

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