VirtualTam's bookmarks

21. Writing userspace USB drivers for abandoned devices 2019-11-18

    tags: driver, image, linux, reverse-engineering, serial-communication/usb, video

    [ permalink ]

    • https://ghidra-sre.org/
    • https://en.wikipedia.org/wiki/Philips_PM5544
    • https://github.com/benjojo/userspace-vga2usb/
22. Bollinger Bands with Prometheus and Grafana 2019-10-23

    tags: observability, observability/grafana, observability/time-series/prometheus, visualization

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    • https://en.wikipedia.org/wiki/Bollinger_Bands
    • https://www.investopedia.com/terms/b/bollingerbands.asp
    • https://github.com/grafana/grafana/issues/409
    • https://github.com/grafana/grafana/issues/940
23. RFC 2222 - Simple Authentication and Security Layer (SASL) 2019-10-21

    tags: email, linux, network/ldap, network/smtp, security, security/authentication, unix

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    • https://en.wikipedia.org/wiki/Simple_Authentication_and_Security_Layer
    • https://tools.ietf.org/html/rfc2444
    • https://tools.ietf.org/html/rfc4422
    • https://tools.ietf.org/html/rfc4752
24. ddate(1) - Linux man page 2019-09-23

    tags: calendar, date, easter-egg, linux, wtf

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    • https://en.wikipedia.org/wiki/Discordianism
    • https://en.wikipedia.org/wiki/Discordian_calendar
    • https://www.reddit.com/r/linux/comments/1wnaw7/accidentally_typed_ddate_instead_of_date_got/
25. knuth-elevator: A Go implementation of the elevator simulator described by Donald E. Knuth. 2019-09-16

    tags: algorithm, elevator, knuth, programming, programming/go

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    > One of the references on Wikipedia’s Elevator Paradox page is a paper written by Donald E. Knuth dated many years prior to his simulator. A side-effect of that research experience may have been a lasting interest in the intricate details of elevator systems.

    • https://en.wikipedia.org/wiki/The_Art_of_Computer_Programming
    • https://en.wikipedia.org/wiki/Discrete-event_simulation
26. 0.30000000000000004 2019-09-09

    tags: approximation, arithmetic, float, hardware/ram, memory, programming

    [ permalink ]

    • https://en.wikipedia.org/wiki/Floating-point_arithmetic
    • https://standards.ieee.org/standard/754-2008.html
    • https://stackoverflow.com/questions/588004/is-floating-point-math-broken/588014#588014
    • https://docs.oracle.com/cd/E19957-01/806-3568/ncg_goldberg.html
27. James Gurney 2019-09-02

    tags: art, dinosaur, fantasy, paint, painting

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    • https://gurneyjourney.blogspot.com/search?updated-max=2019-08-24T09:11:00-04:00&max-results=10
    • https://www.instagram.com/jamesgurneyart/
    • https://en.wikipedia.org/wiki/Dinotopia
28. [Archaeology] Why is all the ancient stuff buried? Like wells, roman walls an such. Does the earth eat it? : askscience 2019-08-24

    tags: archaeology, civilization, dirt, plant, ruin, soil, worm

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    • https://www.reddit.com/r/AskHistorians/comments/17je7i/archeologists_are_always_digging_up_ancient_ruins/
    • https://en.wikipedia.org/wiki/The_Formation_of_Vegetable_Mould_through_the_Action_of_Worms
    • https://www.thoughtco.com/what-is-a-tell-169849
    • https://www.quora.com/Why-are-ancient-buildings-buried-deep-underground
29. Tonto's Expanding Head Band 2019-07-04

    tags: analog, audio, electronics, instrument/synthesizer, music

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    • https://www.rollingstone.com/music/music-features/history-of-giant-stevie-wonder-synth-tonto-752161/
    • https://www.synthtopia.com/content/tag/tonto/
    • https://www.synthtopia.com/content/2014/01/09/the-mothership-has-landed-tonto-synthesizer-finds-new-home-at-national-music-centre/
    • https://en.wikipedia.org/wiki/Tonto%27s_Expanding_Head_Band#The_TONTO_synthesizer
30. Diffie-Hellman Key Exchange 2019-06-24

    tags: cryptography, cryptography/elliptic-curve, cryptography/encryption, cryptography/public-key-infrastructure, security

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    • https://security.stackexchange.com/questions/35471/is-there-any-particular-reason-to-use-diffie-hellman-over-rsa-for-key-exchange
    • https://security.stackexchange.com/questions/45963/diffie-hellman-key-exchange-in-plain-english
    • https://en.wikipedia.org/wiki/Elliptic-curve_Diffie%E2%80%93Hellman
    • https://en.wikipedia.org/wiki/Forward_secrecy
31. List of convex uniform tilings - Wikipedia 2019-02-18

    tags: art, geometry, pattern, shape, tile

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    • https://www.revolvy.com/page/List-of-convex-uniform-tilings
    • https://wikivisually.com/wiki/List_of_convex_uniform_tilings
32. Heffalump - is an endless honeypot 2019-01-07

    tags: header, network/http, programming/go, security, server, stream

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    • https://play.golang.org/p/0i67F3iZ8fY
    • https://en.wikipedia.org/wiki/Slowloris_(computer_security)
    • https://www.reddit.com/r/golang/comments/ad2bxn/rob_pike_has_done_it_again/
33. lsix: Like "ls", but for images. Shows thumbnails in terminal using sixel graphics. 2018-12-28

    tags: command-line, image, sixel, terminal, thumbnail

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    • https://en.wikipedia.org/wiki/Sixel
34. The Underhanded C Contest 2018-11-16

    tags: backdoor, programming, programming/c, security, security/obfuscation

    [ permalink ]

    • https://en.wikipedia.org/wiki/Underhanded_C_Contest
35. Transparent Hugepages: measuring the performance impact - The mole is digging 2018-11-15

    tags: linux, linux/kernel, memory, performance

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    • https://groups.google.com/forum/#!topic/mechanical-sympathy/sljzehnCNZU
    • https://www.kernel.org/doc/Documentation/vm/transhuge.txt
    • https://en.wikipedia.org/wiki/Page_table
36. Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo - Wikipedia 2018-10-16

    tags: buffalo, language/english, wtf

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    • https://en.wikipedia.org/wiki/Beyond_Language
37. distcc: a fast, free distributed C/C++ compiler 2018-10-06

    tags: compiler, compiler/cache, distributed, linux, network, programming/c, programming/c++, storage/cache

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    • https://github.com/distcc/distcc
    • https://en.wikipedia.org/wiki/Distcc
    • https://wiki.archlinux.org/index.php/Distcc
38. iproute2/iproute2.git - Iproute2 routing commands and utilities 2018-09-03

    tags: command-line, hardware, linux, network, network/ethernet, network/ip, network/wireless/wifi

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    • https://en.wikipedia.org/wiki/Iproute2
    • https://wiki.archlinux.org/index.php/Network_configuration
    • https://www.digitalocean.com/community/tutorials/how-to-use-iproute2-tools-to-manage-network-configuration-on-a-linux-vps
39. coturn TURN server project 2018-08-03

    tags: linux, media, network/address-translation, network/stun, network/turn, nextcloud, programming/c, video

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    • https://github.com/coturn/coturn/wiki/turnserver
    • https://www.linuxbabe.com/linux-server/install-coturn-turn-server-spreed-webrtc
    • https://webrtc.ventures/2017/08/quick-guide-stunturn-webrtc/
    • https://stackoverflow.com/questions/40583954/coturn-stun-works-but-turn-does-not-work
    • https://hub.docker.com/r/instrumentisto/coturn
    • https://help.nextcloud.com/t/howto-setup-nextcloud-talk-with-turn-server/30794
    • https://en.wikipedia.org/wiki/STUN
    • https://en.wikipedia.org/wiki/Traversal_Using_Relays_around_NAT
40. Traversal Using Relays around NAT (TURN) 2018-08-03

    tags: ietf/rfc, media, network/address-translation, network/stun, network/turn, network/webrtc, server

    [ permalink ]

    • https://tools.ietf.org/html/rfc5766
    • https://tools.ietf.org/html/rfc6156
    • https://tools.ietf.org/html/rfc7065
    • https://en.wikipedia.org/wiki/Traversal_Using_Relays_around_NAT
    • https://webrtc.ventures/2017/08/quick-guide-stunturn-webrtc/
    • https://www.openttd.org/news/2021/09/26/new-multiplayer-experience
    • https://tailscale.com/blog/how-nat-traversal-works/