VirtualTam's bookmarks

21. c++ - Performance of built-in types : char vs short vs int vs. float vs. double - Stack Overflow 2019-12-31

    tags: hardware/cpu, memory, performance, processor, programming/c, programming/c++

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22. AWS | Enable Enhanced Networking with Elastic Network Adapters for vintage OS AMIs 2019-09-17

    tags: chroot, cloud/aws, linux, linux/debian, linux/kernel, virtualization, xen

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    Paravirtual (PV) to Hardware Virtual Machine (HVM):

    • https://stackoverflow.com/questions/24330721/amazon-ec2-how-to-convert-an-existing-pv-ami-to-hvm

    ENA support:

    • https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/enhanced-networking-ena.html
    • https://forums.aws.amazon.com/thread.jspa?threadID=166135
    • https://aws.amazon.com/premiumsupport/knowledge-center/boot-error-linux-m5-c5/
    • https://bugs.centos.org/view.php?id=14107
    • https://ygrene.tech/how-to-enable-ena-support-for-aws-amis-in-5-steps-and-make-your-bamboo-remote-jobs-really-fast-f2a4254a9955

    Build Debian AMIs from scratch:

    • https://bootstrap-vz.readthedocs.io/en/master/
    • https://github.com/andsens/bootstrap-vz
    • https://www.slideshare.net/JamesBromberger/debian-cloud-building-the-debian-amis
    • https://blog.james.rcpt.to/2012/12/06/official-debian-images-on-amazon-web-services-ec2/

    Squeeze:

    • https://lists.debian.org/debian-cloud/2013/02/msg00023.html

    Wheezy:

    • https://lists.debian.org/debian-cloud/2014/10/msg00009.html
    • https://lists.debian.org/debian-cloud/2014/11/msg00000.html

    Boot to chroot:

    • https://unix.stackexchange.com/questions/85714/boot-into-a-chroot
    • https://wiki.debian.org/chroot
    • https://wiki.debian.org/Debootstrap
    • https://superuser.com/questions/384437/booting-linux-system-from-chroot-is-there-a-better-way-to-do-this/384457#384457
    • https://github.com/lemonsqueeze/boot-chroot
23. hardware mailserver: Simple and full-featured mail server using Docker 2019-09-16

    tags: email, email/dovecot, email/postfix, email/rspamd, email/spam, self-hosting

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    • https://hub.docker.com/r/hardware/mailserver
    • https://github.com/hardware/mailserver/blob/master/docker-compose.sample.yml
24. 0.30000000000000004 2019-09-09

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

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    • 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
25. Network Automation and Programmability Abstraction Layer with Multivendor support 2019-07-15

    tags: automation, ddos, hardware, linux/kernel/ebpf, network, network/router

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    • https://github.com/napalm-automation/napalm
    • https://pynet.twb-tech.com/blog/automation/napalm-ios.html
    • https://blog.cloudflare.com/the-internet-is-hostile-building-a-more-resilient-network/
    • https://blog.ipspace.net/2015/06/napalm-integrating-ansible-with-network.html
26. assembly - How to run a program without an operating system? - Stack Overflow 2019-04-26

    tags: bios, embedded, hack, hardware/cpu, operating-system, programming/assembly

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27. x86 Instructions | Twitter 2019-02-08

    tags: chip, hardware, hardware/cpu, processor, pun, twitter, wtf

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28. xpadneo | Advanced Linux Driver for Xbox One Wireless Controller (shipped with Xbox One S) 2019-02-01

    tags: bluetooth, game, gamepad, hardware, linux, wireless

    [ permalink ]

    • https://github.com/atar-axis/xpadneo/
    • https://aur.archlinux.org/packages/xpadneo-dkms-git/
    • https://www.gamingonlinux.com/articles/xpadneo-is-an-advanced-linux-driver-for-the-xbox-one-s-wireless-gamepad.11875
    • https://askubuntu.com/questions/783587/how-do-i-get-an-xbox-one-controller-to-work-with-16-04-not-steam
    • https://www.reddit.com/r/linux_gaming/comments/63t87i/connecting_xbox_one_s_controllers_with_bluetooth/
    • https://github.com/paroj/xpad
    • https://github.com/360Controller/360Controller
29. Display monitor info via command line - Ask Ubuntu 2019-01-08

    tags: device, display, graphics, hardware, linux, peripheral, screen

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    • http://polypux.org/projects/read-edid/
    • https://unix.stackexchange.com/questions/114359/how-to-get-edid-for-a-single-monitor
30. DisplayCAL—Open Source Display Calibration and Characterization powered by ArgyllCMS 2019-01-08

    tags: hardware, image, peripheral, screen

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    • https://argyllcms.com/
    • https://www.reddit.com/r/ultrawidemasterrace/comments/8o5sqm/monitor_calibration/
31. ProSafeLinux: Configure Netgear ProSafe Plus Switches on linux 2018-12-17

    tags: hardware, linux, network, network/dhcp, network/router, switch

    [ permalink ]

    • http://www.downloads.netgear.com/files/GS108T_UM_11Feb08.pdf
    • https://community.netgear.com/t5/Smart-Plus-Click-Switches/GS108T-Management-VLAN-and-DHCP-server/td-p/1242536
    • https://kb.netgear.com/21988/How-do-I-configure-a-DHCP-server-using-the-web-interface-on-my-managed-switch
    • https://community.netgear.com/t5/Smart-Plus-Click-Switches/GS108T-no-dhcp-coming-thru/td-p/402549
    • https://community.netgear.com/t5/Managed-Switches/DHCP-through-GS108Tv2/td-p/1416570
    • https://community.spiceworks.com/topic/1670135-netgear-gs108t-switch-configuration
32. EEVblog – No Script, No Fear, All Opinion 2018-11-26

    tags: diy, electronics, hardware

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33. sound - Step-by-step to run a midi keyboard input device? 2018-11-24

    tags: audio, hardware, instrument/midi, linux

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    • https://discourse.ardour.org/t/jack-alsa-midi-question/84632
    • https://linuxmusicians.com/viewtopic.php?t=13496
34. piper: GTK application to configure gaming mice via libratbag 2018-11-05

    tags: configuration, driver, game, hardware, linux, mouse

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    • https://github.com/libratbag/libratbag
35. Logitech G700 Middle Mouse Button Repair 2018-11-03

    tags: hardware, logitech, mouse, sensor

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    Stock Parts

    • Left+Right – Omron D2FC-F-7N
    • Middle – E-Switch TL3315NF160Q
    • Middle Tilt – Panasonic EVQ-P0E07K
    • GKeys – Alps SKQGABE010

    Upgraded Parts

    • Left+Right – Omron D2F-01F Japan
    • Middle – Alps SKQGAAE010 (Has the same actuation force of original, the one linked in the guide is 1N instead of 1.6N)
    • Middle Tilt – Omron B3M-6009
    • GKeys – No better replacement Alps SKQGABE010
36. Redis - FAQ - Background saving fails with a fork() error under Linux even if I have a lot of free RAM! 2018-10-29

    tags: database/redis, hardware/ram, linux/container/docker, memory

    [ permalink ]

    • https://github.com/docker-library/redis/issues/159
    • https://gist.github.com/kapkaev/4619127
    • https://stackoverflow.com/questions/19581059/misconf-redis-is-configured-to-save-rdb-snapshots
    • https://stackoverflow.com/questions/42502636/unable-to-save-in-background-redis-server
    • https://people.redhat.com/nhorman/papers/rhel4_vm.pdf
37. FOSSCON 2018: Where Open Source and LEGO Collide | Hackaday 2018-09-10

    tags: computer-aided-design, hardware, lego, robot, sandbox

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38. iproute2/iproute2.git - Iproute2 routing commands and utilities 2018-09-03

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

    [ permalink ]

    • 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. Playing Badass Acorn Archimedes Games on a Raspberry Pi | DXM Tech Support 2018-07-01

    tags: arm, computer, game, hardware/cpu, history, risc

    [ permalink ]

    • http://davetrott.co.uk/2017/03/strategy-is-sacrifice/
40. DFD - check for Duplicates - Forensics on printed Documents 2018-06-28

    tags: document, forensics, hardware, image, printer

    [ permalink ]

    • https://github.com/dfd-tud/deda
    • https://github.com/dfd-tud/mihbs
    • https://www.ihmmsec.org/cms/front_content.php?idcat=69&lang=2
    • https://tu-dresden.de/ing/informatik/sya/ps/die-professur/news/geheime-daten-auf-dem-druckpapier-diplominformatiker-der-tu-dresden-entwickeln-verfahren-gegen-druckerueberwachung