I have 6 years experience in operating GNU/Linux and BSD based servers. My expertise are in OpenBSD and CentOS based system. On the former I have experience with PF, relayd and CARP based redundant firewall configuration, consisting of NGINX based reverse proxies and VPN. On the latter I have experience with Postfix and MySQL based virtual e-mail hosting.
Besides that I have a fair knowledge operating Apache and related services in a hosting environment.
Operating system experience:
- Hardened Gentoo, CentOS, Slackware and Debian/Ubuntu
- OpenBSD, FreeBSD
- Apache, nginx, lighttpd
- Postfix, Dspam, Dovecot
- BIND, PowerDNS
- MySQL, PostgreSQL
- LVM, DRBD, Ceph
- Linux-vserver and FreeBSD jail
- XEN, KVM
- Amazon AWS
NATIONAL DEFENCE UNIVERSITY
Security and defence policy expert
2003 - 2008
2010 - Present
I am responsible to manage the company's Linux based server farm (80+).
2008 - 2010
I'm responsible of operating our server park containing around 50 GNU/Linux based systems and a few Windows servers. We have a country wide VPN network with a dozen endpoints.
And I'm also responsible of operating our clients (mostly sister companies) networks containing around 100 workstations, mostly Windows 2000 and Windows XP based with a dozen Macs.