Things I know:
Business Specific:
- ERP software (openerp, openbravo)
Programming Languages:
- C
- Ruby
Scripting Languages:
- Bash
- Posix sh
Tools:
- Autotools
- Git
Servers:
- Nginx
- Apache
- Varnish
Protocols
- DHCP
- TCP
- UDP
- SSH
- Telnet
- More…
Linux Specific:
- QOS using tc and various schedulers under Linux
- Created various patches (mostly openvz bugfixes) and backported zram to 2.6.32
Hardware:
- Unbricked various routers using JTAG ports
- Built 2 socket 16 core 64GB ram 3U server
- Built way to many desktop systems
I know much more than this as well. Contact me through a pm