Code Poet and Ale aficionado
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New zine: Linux debugging tools you'll love

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HELLO FRIENDS. I am announcing this everywhere because I'm very excited about it. I released a new zine today! Read it here! Read all my zine things at jvns.ca/zines!

This zine is about some of my favorite Linux debugging tools, especially tools that I don't think are as well-known as they should be. It covers strace, opensnoop/eBPF, and dstat! netcat, netstat, tcpdump, wireshark, and ngrep! And there's a whole section on perf because perf is the best.

If you don't know what any of those tools I just mentioned are -- PERFECT. You are who this zine is for!!! Read it and find out why I love them! Also, a lot of these tools happen to work on OS X :)

I've been really delighted to see that a ton of people have enjoyed & learned something new from this zine, whether they just started using Linux (!!!) or have been debugging on Linux for 10 years.

As usual, there are 3 versions. If you print it, you can print as many as you want! Give them to your friends! Teach them about tcpdump!

The cover art is by Monica, who is the best.

Thanks to my amazing partner Kamal Marhubi for endless reviews, and many many other people. It turns out that a zine project takes a long time! I do not even know how people write books.

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Know Your Eels

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Know Your Eels

The wonders of biology.

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Marcin Borkowski: Emacs Lisp closures demystified

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It is often claimed that one of the advantages of closures (as in “lexical scoping”) is information hiding (a.k.a. encapsulation). This is true, but as this post shows, you can’t really hide anything in Emacs Lisp;-).
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1 public comment
stsquad
136 days ago
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It's in the details ;-)
Cambridge, UK

A story about Full-Stack Javascript

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Strip-Le-fullstack-JS-(2)-(650-final)(english)

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Laws of Physics

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The laws of physics are fun to try to understand, but as an organism with incredibly delicate eyes who evolved in a world full of sharp objects, I have an awful lot of trust in biology's calibration of my flinch reflex.
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2 public comments
denismm
163 days ago
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Black Hat is not to be trusted.
Covarr
163 days ago
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At that distance, he'll get hit regardless.
Moses Lake, WA
alexanglin
163 days ago
It would help if there were more than two dimensions.
Lythimus
163 days ago
When is xk3d launching?

The Very Hungry Caterpillar Who Then Came to Realize That Life Was Meaningless

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At least for a day or two, and then he realized that beauty too was empty and fleeting. But hey, at least he looked good in the meantime.
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tante
199 days ago
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The very hungry caterpillar who realized that life is meaningless
Oldenburg/Germany
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2 public comments
stsquad
196 days ago
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Alt version
Cambridge, UK
wmorrell
200 days ago
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«On Thursday he reeled from growing emptiness inside him.»
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