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Hannes Mehnert 2016-04-02 05:02:33 +02:00
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@ -26,39 +26,42 @@ hardware.
### Myself
I'm a [hacker](http://www.catb.org/jargon/html/H/hacker.html) (in the original
sense of the word), 3X years old. Back in 199X, my family bought a PC. It came
sense of the word), 3X years old. In my spare time, I'm not only a hacker, but
also a barista. I like to travel and repair my recumbent bicycle.
Back in 199X, my family bought a PC. It came
with MS-DOS installed, I also remember Windows 3.1 (likely on a later computer).
This didn't really hook me into computers, but over the years I started with
friends to modify some computer games (e.g. modifying text of Civilization). I
first encountered programming in high school around 1995: Borland's Turbo Pascal
(which chased me for several years).
In my spare time, I'm not only a hacker, but also a barista. I like to travel
and repair my recumbent bicycle.
Fast forwarding a bit, I learned about the operating system Linux (starting with
SUSE 6.4) and got hooked (using YaST, setting up basic networking
(NFS/YP/Samba)). I joined the [Chaos Computer Club](https://www.ccc.de) around 2000. I learned a bit Perl, PHP, and also FreeBSD (I still use FreeBSD-CURRENT
on my laptop). I helped with [analysing a voting
SUSE 6.4) and got hooked (YaST, setting up basic networking (NFS/YP/Samba)) to
UNIX. In 2000 I joined the [Chaos Computer Club](https://www.ccc.de).
Over the years I learned various things, from Linux kernel modifications,
Perl, PHP, basic network and security. I also started to use [FreeBSD](https://www.FreeBSD.org) around 4.5, still using a FreeBSD-CURRENT
on my laptop (unfortunately no Broadwell graphics). I helped to [reverse engineer and analyse the security of a voting
computer](http://wijvertrouwenstemcomputersniet.nl) in the Netherlands, and some
[art installations](http://blinkenlights.net/) in Berlin and Paris. There were
several annual Chaos Communication Congresses where I setup the network
(backbone, access layer, wireless, service (DHCP/DNS)), struggling with mainly
Cisco hardware from their demo pool, but also some HP, Force10, Juniper
several annual Chaos Communication Congresses where I co-setup the network
(backbone, access layer, wireless, network services such as DHCP/DNS), struggling with
Cisco hardware from their demo pool, and also amongst others HP, Force10, Lucent, Juniper
equipment.
In the early 200X I started to program a lot of [Dylan](https://opendylan.org),
a LISP dialect (dynamic, multiple inheritance, object-oriented), which even
resulted in a [TCP/IP
implementation](https://github.com/dylan-hackers/network-night-vision/).
In the early 200X I started to program [Dylan](https://opendylan.org), a LISP
dialect (dynamic, multiple inheritance, object-oriented), which even resulted in
a [TCP/IP
implementation](https://github.com/dylan-hackers/network-night-vision/)
including a wireshark-like GTK based user interface with a shell similar to IOS for configuring the stack.
I got really excited about programming languages and type theory (thanks to
I got excited about programming languages and type theory (thanks to
[types and programming languages](https://www.cis.upenn.edu/~bcpierce/tapl/), an
excellent book); a key event for me was for sure ICFP in 2005. I wondered how a
excellent book); a key event for me was the [international conference on functional programming (ICFP)](http://cs.au.dk/~danvy/icfp05/). I wondered how a
[gradually typed](http://homes.soic.indiana.edu/jsiek/what-is-gradual-typing/)
Dylan would look like. I spent some effort on that, leading to a master thesis,
but the result was not too convincing (too slow, type system not sound).
Additionally, Dylan has a small community, which has a hard time to maintain the
Dylan would look like, leading to my master thesis,
but the result was not too convincing (too slow, unsound type system).
Dylan suffers from a too tiny community, which has a hard time to maintain the
self-hosted compiler and IDE.
During my studies I met [Peter Sestoft](http://www.itu.dk/people/sestoft/).
@ -87,7 +90,7 @@ espresso. I ended up spending the winter (beginning of 2014) in Mirleft,
Morocco. A good friend of mine pointed me to [MirageOS](https://mirage.io), a
clean-slate operating system written in the high-level language [OCaml](https://ocaml.org). I got
hooked pretty fast, after some experience with LISP machines I imagined a modern
OS written in a homogenous functional programming language.
OS written in a single functional programming language.
MirageOS had various bits and pieces into place, including infrastructure for
building and testing (and a neat self-hosted website). A big gap was security.
@ -99,11 +102,11 @@ fast enough ("Reassuring, because our blanket performance statement 'OCaml
delivers at least 50% of the performance of a decent C compiler' is
not invalidated :-)" [Xavier Leroy](https://lwn.net/Articles/19378/)), and the [community](https://opam.ocaml.org/packages/) is sufficiently large.
### Links
### Me on the intertubes
You can find me on [twitter](https://twitter.com/h4nnes), and on
You can find me on [twitter](https://twitter.com/h4nnes) and on
[GitHub](https://github.com/hannesm). I also have an [academic web
site](https://www.cl.cam.ac.uk/~hm519/) in case you're interested.
site](https://www.cl.cam.ac.uk/~hm519/).
No comments here, but you can open issues on the [data repository on
GitHub](https://github.com/hannesm/hannes.nqsb.io).