Software engineer, open source evangelist and a bit of an IT security freak
The days are long, but the decades are short.
Husband. Father. Hacker. Passion for solving hard problems.
247365
No problem can be solved from the same level of consciousness that created it.
Served in the Israeli military information security unit responsible for the managerial and mission critical systems of the Air-Force.
1999
If you think you’re going to regret not doing something, do it.
Co-Founded a security consulting firm and hacker school, was regularly called upon to train and consult members of the Israeli intelligence agencies, military and private sector companies. [sold holdings in 2005].
2002
You can always change your plan, but only if you have one.
Co-founded and bootstrapped second company, patented A Practical Platform for High Risk applications (W0 2007/066333).
2005
Intellectual property has the shelf life of a banana.
Company pivot to TurnKey Linux - millions of downloads, powering and protecting 100,000+ servers worldwide.
2008
Luck is what happens when preparation meets opportunity.
Read the Satoshi whitepaper, was lucky enough to make aggressive investments in the crypto space.
2012
Co-owned blockexplorer - the first web interface and public API to the Bitcoin blockchain [acquired in 2017].
2013
Stay guided by your values, not your necessities.
Developed and open sourced a verifiably secure self-contained Live CD/USB, supporting air-gapped Bitcoin transactions, making offline cold storage (slightly more) practical.
2014
Treat the disease, not the symptom.
Wrist and shoulder pain led to ergonomics research, and ultimately design and build a full split, fully programmable ergonomic mechanical keyboard. Pain gone.
2015
Whether you think you can or can’t, you’re probably right.
Created a 12MB compressed Debian rootfs specifically designed to be used as a Docker base image for application container images with access to the largest GNU/Linux software repository with over 56,800 packages.
2016
Time being our most valuable and precious resource. Improvement relies on behavioral changes, while the right changes are reliant on insight. Insight is gleaned from feedback.
Developed software providing time-based feedback loops, improving productivity, work-life balance, and reduced stress levels.
2017
When something is important enough, you do it even if the odds are not in your favor. If your dreams don’t scare you, they aren’t big enough.
Co-founded third company, with potential for massive social impact.
2018
Writing does not make intellectual endeavours easier, it makes them possible.
Open sourced a simplistic yet powerful system for creating, storing and accessing knowledge by means of notes, with bi-directional links at its core.
2023
100+ ready-to-use opensource solutions for VM's, bare-metal and the cloud
Deploy TurnKey in the cloud, with backup and migration ninja super powers
The easiest, most powerful secure server backups and migration solution
A self-contained Live CD/USB key for performing highly secure air-gapped Bitcoin transactions
A container project featuring a custom Debian 12MB compressed base rootfs
Decentralized communications protocol enabling an Internet without borders
Hand wired 54key full split mechanical keyboard
How to integrate a trackpoint in a mechanical keyboard
Animated visual algorithms for speedcubing
Markdown based notes system with bi-directional links at its core
Low level Python and CLI interface to GitHub
AWS Regional Data Centers mapping
Product fabrication framework
TurnKey Linux Customization Mechanism
Overlay-based virtual filesystem branching system
Debian Installer for Live systems
Convert an ISO to different build formats such as AMI, VMDK, etc.
Query and display EC2 metadata related to the AMI instance
Automatically mount EC2 EBS (Elastic Block Storage) devices
Tools to index and create a Debian package repository
Efficiently get packages from public sources
TurnKey Linux Configuration Console
Executes firstboot and everyboot scripts
TurnKey Linux Advanced Message Queue (AMQ) client
Python API bindings and CLI for the TurnKey Hub
TurnKey Hub Dynamic DNS client
Simplified wrapper for python-pycurl
Caching Curl
Four Thousand Weeks: Time Management for Mortals
Oliver Burkeman
Maurice Leblanc
The 8th Habit: From Effectiveness to Greatness
Stephen R. Covey
Magic of Reality: How We Know What's Really True
Richard Dawkins
The Great Mental Models Volume 3: Systems and Mathematics
Rhiannon Beaubien
Sam Harris
Sam Harris
Marcus Aurelius
Rationality: From AI to Zombies
Eliezer Yudkowsky
Yuri Marmerstein
Alexander Osterwalder
Agile Project Management with Kanban
Eric Brechner
Richard A. Ferri
Jennifer E. Beer
Scrum: The Art of Doing Twice the Work in Half the Time
Jeff Sutherland
Rick Falkvinge
Jason Zweig
Benjamin Roth
William J. Bernstein
The Bogleheads' Guide to Investing
Taylor Larimore
If You Can: How Millennials Can Get Rich Slowly
William J. Bernstein
Harry Potter and the Methods of Rationality
Eliezer Yudkowsky
The Big Book of Endurance Training and Racing
Philip Maffetone
The New Jim Crow: Mass Incarceration in the Age of Colorblindness
Michelle Alexander
The Ultimate Hitchhiker's Guide to the Galaxy
Douglas Adams
Last Lecture: Die Lehren meines Lebens
Randy Pausch
Alexander Osterwalder
The Innovator's Dilemma: The Revolutionary Book that Will Change the Way You Do Business
Clayton M. Christensen
The Innovator's Solution: Creating and Sustaining Successful Growth
Clayton M. Christensen
Titan: The Life of John D. Rockefeller, Sr.
Ron Chernow
The Autobiography of Malcolm X
Malcolm X
Boomerang: Travels in the New Third World
Michael Lewis
Flash Boys: A Wall Street Revolt
Michael Lewis
The Big Short: Inside the Doomsday Machine
Michael Lewis
Tina Fey
Catch Me If You Can: The True Story of a Real Fake
Frank W. Abagnale
The First Fifteen Lives of Harry August
Claire North
Robert Charles Wilson
Ready Player One (Ready Player One, #1)
Ernest Cline
The Lord of the Rings: The Return of the King (#3)
J.R.R. Tolkien
The Lord of the Rings: The Two Towers (#2)
J.R.R. Tolkien
The Lord of the Rings: The Fellowship of the Ring (#1)
J.R.R. Tolkien
Kristin Hannah
The Hobbit or There and Back Again
J.R.R. Tolkien
Paulo Coelho
Einstein: His Life and Universe
Walter Isaacson
Andy Weir
Sherlock Holmes: The Complete Novels and Stories, Volume II
Arthur Conan Doyle
Makers: The New Industrial Revolution
Chris Anderson
Dan Brown
Dan Brown
Dan Brown
The Lost Symbol (Robert Langdon, #3)
Dan Brown
Angels & Demons (Robert Langdon, #1)
Dan Brown
The Time Machine/The Invisible Man
H.G. Wells
Andrew S. Grove
Cory Doctorow
William Gibson
Matthew Mather
Richard Dawkins
Endurance: Shackleton's Incredible Voyage
Alfred Lansing
tmux: Productive Mouse-Free Development
Brian P. Hogan
Felix Dennis
George Orwell
Sherlock Holmes: The Complete Novels and Stories, Volume I
Arthur Conan Doyle
Drive: The Surprising Truth About What Motivates Us
Daniel H. Pink
What the Dog Saw: And Other Adventures
Malcolm Gladwell
Cypherpunks: Freedom and the Future of the Internet
Julian Assange
Built to Last: Successful Habits of Visionary Companies
James C. Collins
Daniel Kahneman
Timothy Ferriss
Walter Isaacson
The Black Swan: The Impact of the Highly Improbable
Nassim Nicholas Taleb
Free: The Future of a Radical Price
Chris Anderson
Linchpin: Are You Indispensable?
Seth Godin
Tribes: We Need You to Lead Us
Seth Godin
The Tipping Point: How Little Things Can Make a Big Difference
Malcolm Gladwell
Outliers: The Story of Success
Malcolm Gladwell
Blink: The Power of Thinking Without Thinking
Malcolm Gladwell
Neal Stephenson
Robert Louis Stevenson
Charles Dickens
How to Win Friends and Influence People
Dale Carnegie
Influence: The Psychology of Persuasion
Robert B. Cialdini
Jason Fried
Adrian J. Slywotzky
Founders at Work: Stories of Startups' Early Days
Jessica Livingston
An Introduction to Object-Oriented Programming
Timothy Budd
The Mythical Man-Month: Essays on Software Engineering
Frederick P. Brooks Jr.
The Ancestor's Tale: A Pilgrimage to the Dawn of Evolution
Richard Dawkins
River Out of Eden: A Darwinian View of Life
Richard Dawkins
Richard Dawkins
Richard Dawkins
Allen Carr's Easy Way To Stop Smoking
Allen Carr
Andrew S. Grove
David Pressman
The Innovator's Dilemma: The Revolutionary Book that Will Change the Way You Do Business
Clayton M. Christensen
Cracking Creativity: The Secrets of Creative Genius
Michael Michalko
Emotional Intelligence: Why It Can Matter More Than IQ
Daniel Goleman
The Power of Persuasion: How We're Bought and Sold
Robert V. Levine
Abraham Silberschatz
The Art of Deception: Controlling the Human Element of Security
Kevin D. Mitnick
Hacking: The Art of Exploitation
Jon Erickson
Dennis M. Richie
Brian Hatch
Hacking Exposed: Network Security Secrets & Solutions
Stuart McClure
Sun Tzu
Rich Dad's Cashflow Quadrant: Rich Dad's Guide to Financial Freedom
Robert T. Kiyosaki
Kenneth H. Blanchard
Spencer Johnson
MCSE: Networking Essentials Study Guide
James Chellis
Published on wireleap.com
Relay network usage metrics and configurable data cap
Published on wireleap.com
Introducing the Wireleap Libre network
Published on wireleap.com
Monolithic wireleap repository split, released under MIT
Published on wireleap.com
Double-entry plaintext accounting
Published on wireleap.com
A Routing Layer on the Internet that Enforces Net-Neutrality
Published on wireleap.com
A Proportional Share-based Value Transfer Protocol for Distributed Systems
Published on wireleap.com
Published on turnkeylinux.org
Published on deskthority.net
Hand wired 54key full split custom build
Published on deskthority.net
Introducing BitKey - A secure Bitcoin live USB/CD solution built with TKLDev
Published on turnkeylinux.org
Announcing TurnKey Docker optimized builds
Published on turnkeylinux.org
Published on turnkeylinux.org
Introducing TKLDev - Turnkey's appliance development and build system in a box
Published on turnkeylinux.org
Mapping AWS data centers for fastest connection
Published on turnkeylinux.org
New release announcement (codename: Idan)
Published on turnkeylinux.org
Use the stash, Luke (git-stash)
Published on turnkeylinux.org
Published on turnkeylinux.org
Practical guidelines for beautiful Python code
Published on turnkeylinux.org
Secure, flexible and scalable Amazon EC2 instance preseeding
Published on turnkeylinux.org
Published on turnkeylinux.org
Published on turnkeylinux.org
Finding the closest data center using GeoIP and indexing
Published on turnkeylinux.org
Tip: use custom search engines for efficiency
Published on turnkeylinux.org
EBSmount: Automatically mount EBS devices on Amazon EC2
Published on turnkeylinux.org
Amazon EC2 metadata - Python library and CLI
Published on turnkeylinux.org
Background task processing and deferred execution in Django
Published on turnkeylinux.org
Django Signals: Be lazy, let stuff happen magically
Published on turnkeylinux.org
Converting a virtual disk image: VDI or VMDK to an ISO you can distribute
Published on turnkeylinux.org
A practical platform for high risk applications
Published on patents.google.com