* **Operating systems**: Linux (Red Hat, Fedora, Ubuntu, SuSE, Debian, uClinux), MacOS X, Solaris (versions 6 to 9),
NetBSD, AmigaOS, Windows
- * **Frameworks and APIs**: POSIX, Qt, Gtk, STL, Boost, WIN32, MFC
+ * **Frameworks and APIs**: POSIX, Qt, Gtk, STL, Boost, WIN32, MFC, Berkeley sockets
* **Programming Techniques**: OOP, generic programming, metaprogramming, real-time, event-driven, multithreading
- * **Development Tools**: GCC toolchain, GNU make, auto-tools, MSVC, XCode, Codewarrior, IAR, Code Composer Studio, BSO Tasking
+ * **Development Tools**: GCC toolchain (contributor), MSVC, XCode, Codewarrior, IAR, Code Composer Studio, BSO Tasking
* **Version Control**: Git, Subversion, CVS, Rational Clearcase, Source Safe
+ * **Systems administration**: XEN, KVM, Libvirt, Puppet, Nagios, Munin
+ * **Server software**: BIND, DHCP, Exim, Qmail, Postfix, Apache, MySQL, PostgreSQL, Asterisk
+ * **Networking**: TCP/IP, IPv6, DNSSEC, BGP routing
+
=== Education ===
* Undergraduate courses of Education Tech. and Math, Harvard Extension School
* Member of team developing software for large robotized clinical analyzers
* Created and maintained the network and development infrastructure of the R&D lab.
-=== Volunteer activities ===
+=== Pro-bono activities ===
- * Red Hat / Fedora OS developer (2007 to present)
+ * [[http://bertos.org/|BeRTOS]] microkernel designer (2001-2007)
+ * [[http://fedoraproject.org/wiki/User:Bernie|Fedora OS developer]] (2007 to present)
+ * [[https://launchpad.net/~codewiz/+archive/ppa?field.series_filter=|Ubuntu packager]] (2008 to present)
* Xorg (X Wingow System) developer (2007 to present)
* GCC compiler maintainer (2003 to present)
* Linux kernel hacker (2002 to present)