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- Programming Languages
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- C, C++, x86/MIPS/s370 asm
- Perl, Python, Ruby, PHP, Tcl
- SQL
- Forth (OFW)
- HTML/CSS, Javascript, XML/XSLT
- Shell scripting
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- Systems Administration
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- Linux (Debian, Ubuntu, Red Hat, Mandrake, Slackware, etc)
- FreeBSD, OpenBSD
- MySQL, PostgreSQL, SQLite
- BIND, PowerDNS
- Postfix, Exim, Sendmail, Qmail
- Courier, Dovecot
- CVS, SVN, GNU Arch, Bazaar, Git
- OpenSSH, Apache, NFS, OpenSWAN, Quagga, NIS, Kerberos, User Mode Linux, Linux Virtual Server, ...
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- One Laptop Per Child
- 2006-current
- Linux Kernel Engineer
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- Maintenance/RPM packaging of OLPC's kernel.
- Driver development for AMD Geode GX, LX, cs5536, DCON, and numerous others system components.
- Hardware debugging and bringup assistance.
- Upstream patch/driver submission.
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- Athena Capital Research
- 2005-2006
- Developer & Senior Systems Administrator
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- Administration of Debian and Ubuntu servers and workstations.
- NIS, Kerberos, IPSec, and OSPF system/network management.
- Debian packaging and development.
- Ruby tutoring.
- Linux kernel, OpenAFS, and PAM (Pluggable Authentication Modules) debugging and development.
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- Voxel Dot Net, Inc. |
Ubersmith, Inc. |
Payment Alliance |
MerchantPlus LLC
- 2001-2005
- Chief Technology Officer
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- Administration of Red Hat, Debian, and FreeBSD servers.
- High Availability (HA) clustering with Linux Virtual Server (LVS).
- Ubersmith project design and development (credit card processing, ticket/support system, interface design, and host monitoring and management).
- Design and development of Payment Alliance and MerchantPlus credit card gateways and merchant interfaces.
- Design and development of Uberpanel, a server management system.
- Managerial tasks, day-to-day operations, automation, and design/resource decisions.
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- Redshells.net
- 2000-2001
- Systems Administrator (FreeBSD)
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- Free software development
- 1997-current
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- Linux kernel; sound, network, and filesystem driver development
- Keepalived, a Linux Virtual Server and VRRPv2 fail-over/cluster monitor daemon
- Trac
- mod-xmlrpc
- pam-krb5
- pam-openafs
- Linux Logical Volume Manager (LVM1 and LVM2)
- GStreamer
- Apache
- Common Debian Build System
- mod-perl
- Ruby
- maildrop
- numerous others:
iptctl,
Sinek,
Freetrade,
Inter-Mezzo, a Coda-like network filesystem,
Host AP,
messagewall, firestring, and firedns,
Xine,
Totem,
Gtk Development Environment,
Listar (now Ecartis),
PHP XML-RPC,
GTK+/glib,
Avifile,
etc.
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- Debian Developer
- 2002-current
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- Maintenance, packaging, and bug fixes for the linux kernel, xorg, php4, mod_perl2, ruby modules, and many others.
- Worked with QLogic and Broadcom to relicense firmware under valid licenses.