Linux System Administrator
My experience as Linux and Network administrator exceeds 10 years. I have an extensive IT background. Linux & Networking are my favourite things :)
OS: Linux - expert (CentOS, RHEL, Debian)
Virtualisation: Vmware vSphere.
Web servers: Apache, nginx
Control panels: ISPConfig
Database: Mysql, Sybase
Mail servers: Sendmail, Exim, Courier-IMAP, Dovecot, AntiSpam (MailScanner, spamd,etc.)
High availability: DRBD, heartbeat, RHCS, Pacemaker
Automation: shell scripting
VoIP: Asterisk (DAHDI, libss7, fax2email and etc.)
Network technologies: DNS, DHCP, VPN, packet routing and switching, firewalls (Linux iptables, iproute, NAT, etc.), Authentification, file and print servers. Remote access servers. VPN and tunnels (IPIP, IP GRE).
Network equipment: Enterasys, HP, Cisco, Mikrotik, Ubiquity, Allied Telesys, 3Com.
Monitoring: SNMP, MRTG, RRDtool, Cacti, Nagios, HostMonitor, etc.
Data backup: CA BrightStore Arcserve Backup and other.
Hardware: HP server equipment (DL, ML, BL lines) and HP storage systems.