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Edwin Groothuis
Unit 15
18 Ocean Street
Cronulla, 2230
Australia
Phone: +61-2-9527 3527
E-mail: [email protected]
Personal website: http://www.mavetju.org
Personal Information
Nationality: Dutch (The Netherlands)
Gender: Male
Date of Birth: 31 December 1970
Marital Status: Married
Place of Birth: Geldrop, The Netherlands
Visa for Australia: Permanent, no work limitations
Education
1989 - 1993 -- Institute of Technology, Eindhoven
Eindhoven, the Netherlands
Bachelor of Science in the field of Electrical Engineering specialization in Technical Computer Science
1982 - 1989 -- St. Joris College, Eindhoven
Eindhoven, the Netherlands
Higher School Certificate (Courses in Mathematics, Physics, Chemistry,
Biology, Dutch and English language).
Accreditations
Current Driver's License: Dutch, type B (cars only)
Community Activities
Dutch Contest for Young
Scientists
I helped organize the annual contest on four occasions between 1993
and 1997.
Eindhovense Computer
Associatie
I ran the Bulletin Board System between 1992 and 1996, gave support
on Unix-related questions from 1996 - 2001, wrote articles for the
magazine published by the ECA.
Work Experience
March 2002 - current -- Nominum Inc (on contract base)
- Design and implemenation of a prototype for Enterprise IP Space
address management application.
Keywords: PHP, PostgreSQL DB, IP Space management.
- Design and implemenation of a DHCP/DNS Discovery Centre for
gathering information about DHCP servers, DNS servers and
administrative data and to perform datamining on the data collected.
Keywords: DNS, DHCP, PHP, PostgreSQL DB.
Februari 2002 - current -- BarNetwork Pty Limited
- Design and implementation of network performance monitoring
tools to be able to automatic limit bandwidth for abusers.
- Design and implementation of the migration from a staticly
configured network to a fully meshed network with dynamic routing,
Keywords: OSPF, BGP, ADSL
- Design and implementation of an LDAP directory service for mailing
addresses, contact information and authentication services.
Keywords: OpenLDAP, PostgreSQL DB
- Design and implementation of an accounting system for billing
events in the network (dialin, faxservices, SMS service)
Keywords: PHP, PostgreSQL DB
- Design and implementation of a fax-server for incoming and
outgoing faxes and post-processing of these faxes.
Keywords: PHP, PostgreSQL DB
- Design and implementation of a court-session overview and
notification system.
Keywords: PHP, PostgreSQL DB
- System administration, network administration and general
troubleshooting.
Keywords: FreeBSD, network and system administration, DNS, DHCP,
SMTP, Radius, Webservers, TCP/IP, Nagios systems monitor.
April 1995 - September 2001 -- Philips Communication and Processing Services / Origin / Atos Origin
- August 1999 - September 2001 -- Intranet Services
Responsible for the development and roll-out of DNS
software for Philips, Origin and third party customers.
Tasks: design and development of a toolset to manage the contents
of the centralized DNS / DHCP databases by de-centralized
administrators; Design and development of a toolset to manage
registration of domains for multiple customers; Support the
DNS / SMTP Team with regard to content- and logfile-analyzing
for daily operations and troubleshooting.
Keywords: ISC DNS (bind), ISC DHCP, PHP, Perl, C, Unix system
administration, TCP/IP troubleshooting.
- June 1996 - August 1999 -- Network Management Team
Part of a team which was responsible for the roll-out,
implementation and maintenance of network management software
for monitoring the global TCP/IP network of Philips, Origin
and third party customers.
Tasks: Design and implementation of a database system for
router-, switch- and dialin-server-configurations; Design and
development of a toolset for the auditing of the routers in
the network; Support the Networking Team with regard to
router-configuration and logfile analyze for troubleshooting.
Keywords: Cisco routers/switches, TCP/IP networking, TCP/IP
troubleshooting, IP space management, SNMP, C, Perl, auditing,
HTML, UNIX system administration.
- April 1995 - December 1996 -- Networking Team
Part of the team which was the central responsible for the
global TCP/IP network of Philips Electronics.
Tasks: upgrade and standardization of the network-equipment
regarding hardware, software and configuration.
Keywords: Cisco routers/switches, TCP/IP networking, IGRP/RIP
-> EIGRP migration, TCP/IP troubleshooting, IP space
management, Cisco, CiscoWorks, Sun SunView, SNMP.
February - March 1995 -- DHV Water
- Design and implementation of a water-pollution-flow program.
Voluntary work
June 2000 - December 2000 -- LogReport
An Open Source project to give system administrators the possibility
to process logfiles of their systems in such a way that reports of
two different software packages (for example, mail-gateways) look
the same and can be used for further processing of the data.
December 1997 - December 2002 -- Fatal Dimensions MUD
A virtual game-world on the internet to which people all over the
world (USA, Europe, Australia) play. My job there is the main-coder,
which means that I am final responsible for the program itself,
for adding new features and solving problems. The codebase is in
C (about 128 thousand lines of code) and has some unique features
like an internal TCL-based programming language.
- current -- Open Source Software
I am sharing my knowledge regarding Unix and FreeBSD in general
and my skills regarding software development and networking in the
following ways:
- I am actively involved in discussions on several mailing-lists,
such as the FreeBSD Questions and the ROM mud-coders mailing-lists.
- I am supporting the FreeBSD project by supplying problem reports
and support porting of other programs to the FreeBSD Operating
System, I'm an active committer to the FreeBSD ports collection.
more
information.
- I have released a set of networking tools regarding DHCP and DNS,
PHP
and low-level
networking.
Skills
Operating Systems
- up to 1994 -- MS-DOS, user and programmer
- 1994 - 1996 -- OS/2, user and programmer
- 1995 - current -- Several Unixes
- Sun Solaris as user
- BSD/OS as user/programmer/system administration
- FreeBSD as user/programmer/system administration
- IBM AIX as user/system administration
- Debian GNU/Linux as user/programmer
- NetBSD as user/programmer
Programming languages
- 1985 - 1994 -- Pascal (rusted)
- 1992 - current -- C (very good)
- 1996 - current -- Perl (good)
- 1996 - current -- Shell script programming (good)
- 1999 - current -- PHP (good)
Databases
Development tools
- vi, gcc, gdb, gprof, cvs, make, awk, sed, nroff, furthermore
anything which is can be found on a system running a Unix
operating system.
Internet
- TCP/IP (good regarding the protocol itself (IPv4, IPv6, ICMP,
UDP, TCP); the protocols on top of it (FTP, SSH, telnet, SMTP,
DNS, DHCP, HTTP, POP3, NNTP, NTP, SNMP, NFS etc); the implementation
into the operating system; debugging; and "how it works")
- World-Wide-Web (good regarding Apache webserver; PHP;
CGI-scripting; HTML; and CSS)
- Networking regarding Cisco switches and routers (good
regarding the Cisco IOS; routing protocols; and debugging)
Special Interests
- Security regarding computers, networks and programming.
- The impact of computers and the use of computers on life.
- The FreeBSD project and the Open Source Software movement.
- History of computers and networking.
References
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