Found in 2 comments on Hacker News
tredre3 · 2023-01-11 · Original thread
> Alternatively, the most barebones version, useful for inside a container where all you have is a shell and the kernel:

> cat > /dev/tcp/www.google.com/443

I was unfamiliar with this device so I googled a bit. This isn't a real file/device, it's a bash-ism when built with --enable-net-redirections (apparently disabled in debian-based distros [1]).

That's too bad, would have been cool to have such easy access to sockets anywhere using fopen().

1. https://www.oreilly.com/library/view/bash-cookbook/059652678...

demetris · 2012-05-04 · Original thread
I don’t know about must-read ones, but here are a few No Starch and O’Reilly titles that stand out from a quick look at my library:

No Starch, Eloquent JavaScript. A Modern Introduction to Programming: http://shop.oreilly.com/product/9781593272821.do

No Starch, The Book of CSS3: http://shop.oreilly.com/product/9781593272869.do

O’Reilly, bash Cookbook: http://shop.oreilly.com/product/9780596526788.do

O’Reilly, CSS: The Missing Manual, 2nd Edition: http://shop.oreilly.com/product/9780596802455.do

O’Reilly, JavaScript: The Good Parts: http://shop.oreilly.com/product/9780596517748.do

O’Reilly, Mastering Regular Expressions, 3rd Edition: http://shop.oreilly.com/product/9780596528126.do

O’Reilly, The Art of SEO, 2nd Edition: http://shop.oreilly.com/product/0636920019091.do