Jon C. Jensen
I live in Provo, Utah and work with Internet-related projects: web applications, databases, scalability, system administration, and security, and in the past, ecommerce and Android app development. I’m a radio amateur (“ham”) with call sign KG7TXN.
I sometimes write on Somusing, the blog of my wife, Erin, and wrote a lot on the End Point blog when I worked there.
Other places to find me on the web:
LinkedIn
Twitter
Facebook
Instagram
My email address is jon@swelter.net — since 1999! You may encrypt messages to me using PGP/GnuPG with my current public keys (2026 ed448 ECC + Kyber, 2019 ed25519 ECC, 2012 4096-bit RSA), which superseded my historical keys (1998 DSA, 1994 RSA).
A quotation
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[T]he word “leader” itself is cliché and boring, but when you come across somebody who actually
is a real leader, that person isn’t boring at all; in fact he’s the opposite of boring.
Obviously, a real leader isn’t just somebody who has ideas you agree with, nor is it just somebody you happen to believe is a good guy. A real leader is somebody who, because of his own particular power and charisma and example, is able to inspire people, with “inspire” being used here in a serious and noncliché way. A real leader can somehow get us to do certain things that deep down we think are good and want to be able to do but usually can’t get ourselves to do on our own. It’s a mysterious quality, hard to define, but we always know it when we see it, even as kids. You can probably remember seeing it in certain really great coaches, or teachers, or some extremely cool older kid you “looked up to” (interesting phrase) and wanted to be like. Some of us remember seeing the quality as kids in a minister or rabbi, or a scoutmaster, or a parent, or a friend’s parent, or a boss in some summer job. And yes, all these are “authority figures,” but it’s a special kind of authority. If you’ve ever spent time in the military, you know how incredibly easy it is to tell which of your superiors are real leaders and which aren’t, and how little rank has to do with it. A leader’s true authority is a power you voluntarily give him, and you grant him this authority not in a resigned or resentful way but happily; it feels right. Deep down, you almost always like how a real leader makes you feel, how you find yourself working harder and pushing yourself and thinking in ways you wouldn’t be able to if there weren’t this person you respected and believed in and wanted to please.
In other words, a real leader is somebody who can help us overcome the limitations of our own individual laziness and selfishness and weakness and fear and get us to do better, harder things than we can get ourselves to do on our own.
… (Although of course Hitler was a real leader too, a very potent one, so you have to watch out; all it is is a weird kind of personal power.)
—David Foster Wallace, “Up, Simba”, in
Consider the Lobster and Other Essays, 2006, 2007, pp. 224–225
Travel notes
A map of the route my son & I took on our 2019 trip to Armenia, Georgia, Ukraine, and Moldova: Jon and Seth itinerary in June 2019.
An interactive map of various churches we visited in north England in 2013, with links to our blog posts and photos about each: Churches in north England, 2013.
Important causes
A few organizations Erin & I support:
- Institute for Justice, litigators for liberty who fight bad policing, civil forfeiture, occupational licensing cartels, First Amendment infringement, eminent domain abuse, and educational choice limits.
- Secular Pro-Life follows the science on the topic of abortion to shine light on bad arguments and lead important conversations beyond partisan and sectarian tug-of-war.
- Partners In Health builds local systems to support health in underserved areas. Erin and I learned of it through the book Mountains Beyond Mountains by Tracy Kidder (see Erin’s review of it).
- Atlas Network supports the global freedom movement in areas such as land title reform in post-Communist countries, rule of law, and personal enterprise within fair rules rather than permanent poverty support.
- Lifting Hands International provides aid to refugees, both those who have resettled and those still in problem areas of the world.
- FIRE (Foundation for Individual Rights and Expression) defends the rights of all Americans to free speech and free thought, regardless of topic or political slant, picking up work the ACLU abandoned decades ago.
- The Electronic Frontier Foundation works to preserve freedoms in the electronic world.
Work talks
Presentation slides from talks I have given at technical conferences and company-wide meetings are available.
Free software
I support free software and open source. Don’t be a sharecropper!
I am on GitHub as jonjensen and have contributed to projects including PostgreSQL, Interchange, DevCamps, and Bucardo. I also keep old miscellaneous scripts around.
Other free software I work most often with:
awesome,
X.Org X11,
Sway,
Wayland,
alacritty,
kitty,
tmux,
Screen,
zsh,
bash,
Firefox,
Chromium,
Vim,
Git,
Rust,
Go,
Perl,
Python,
Ruby,
PHP,
PostgreSQL,
Linux (mostly
Red Hat/CentOS/Rocky,
Fedora,
Ubuntu,
Debian),
Android,
OpenBSD,
OpenSSH,
Apache httpd,
nginx,
Postfix,
Dovecot,
Pine (now Alpine),
Signal,
GnuPG,
Standard Notes,
Zulip,
MediaWiki,
VLC,
rsync,
less,
ripgrep,
fzf,
pspg,
par,
mtr,
and Nmap, just as a sampling.
Thanks to all free software developers for your time and efforts!
Once upon a time I created some RPM packages of free software for use on Fedora Linux. The source RPMs may still prove useful for building on a newer version.
Human languages
Some Unicode things I keep handy:
Language family maps for reference:
My novice linguistics research: I wrote a paper for Linguistics 490 (senior seminar) taught by John Robertson, winter semester 1998 at Brigham Young University. It examines how Hebrew verb patterns (binyanim) may be semantically grouped using C.S. Peirce’s universal categories. The paper: Hebrew Verb Pattern Tendencies Clarified by Peirce’s Universal Categories (8.5″ x 11″). Reference chart: Roots in various binyanim chart (11″ x 17″).
Writing
Some of my free verse:
Many years ago, a tree fell on our car, so I wrote up the story to share.
Religion
Links about religion:
Johann Sebastian Bach composed some of my favorite music. See these freely redistributable Bach sheet music PDFs and the James Kibbie complete Bach organ works recordings. Mutopia collects freely usable music scores. Thanks to those who typeset the music and gave it away!
Hymns:
Liberty
Miscellany
mod.zayda.net is a collection of old Amiga-era music “modules”, including the whole U4ia and F8 collection by Jim Young, mostly created on his Amiga.
End communication.