In his free time Jeroen can be found riding his recumbent bike, having a few glasses of wine or beer with friends, chatting on IRC or just having fun. He also writes scripts in Perl or bash when the need arises, to make his life easier. He is i.e. the author of jnitodo a console based todo list manager. He has also written his own blogging software.

His other free time activities include reading books and exploring all kind of topics he gets interested in.

Jeroen also owns 2 cats. Which are called Perl and Ruby. Pictures of them can be found here.

Some statistics about his life can be found here.

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the year 2010 in numbers

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the year 2011 in numbers

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making my crontab more readable

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some tricks I use when using zsh and screen

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using bayesian filtering to determine the importance of email

Jeroen van Nieuwenhuizen works as a unix consultant for Snow B.V.. He has more than 10 years of experience in the Information Technology industry and with this experience he can offer solutions to problems that take reliability, scalability and security into account.

During his professional career Jeroen has been working for clients in the Health Care, Aviation, Printing, Human Resource, Telecommunication and Internet industry.

Jeroen has hands on experience with Sun Solaris, HP-UX, Redhat Linux, Debian Linux, SuSe Linux, Mac OS X, FreeBSD, Oracle and AIX.

Jeroen received his M.Sc. degree in Computer Science from the University of Twente in 2002, graduating on the subject of spam filtering. An article partly based on his research was presented at the 19th IFIP International Information Security Conference in 2004.

Besides his master degree, Jeroen has several certifications including ITIL foundation, PRINCE2 foundation and Linux Professional Institute Level 1 and 2 certification. He is a Sun Certified System Administrator for Solaris 10, a Novell Certified Linux Administrator and a RedHat Certified Engineer (RHEL 5). He followed the Sun Solaris Cluster Administration course in 2006 and became a Oracle Database 11g Administrator Certified Associate in 2011.