VirtualTam's bookmarks

1. The Annotated Hacker Test | For those of us who didn't receive a case of beer with our computer.

   2024-11-19
   computer hardware/cpu hardware/ram history nerd programming/assembly programming/c programming/pascal unix

   Permalink
   • Original plain text version from 1989
   • Real Programmers Don't Use PASCAL (see: THE REAL PROGRAMMER'S NATURAL HABITAT)
2. LWN - What every programmer should know about memory

   2023-07-22
   hardware hardware/cpu hardware/ram memory memory/cache performance

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   • What every programmer should know about memory (Full PDF version) Mirror
   • Part 1: Introduction & Commodity Hardware Today
   • Part 2: CPU Caches
   • Part 3: Virtual Memory
   • Part 4: NUMA support
   • Part 5: What programmers can do
   • How much of ‘What Every Programmer Should Know About Memory’ is still valid?
3. Writing a Linux Debugger

   2021-10-10
   debugging hardware/ram linux programming/c++

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   • https://blog.tartanllama.xyz/writing-a-linux-debugger-setup/
   • https://github.com/TartanLlama/minidbg
4. 0.30000000000000004

   2019-09-09
   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
5. Redis - FAQ - Background saving fails with a fork() error under Linux even if I have a lot of free RAM!

   2018-10-29
   database/redis hardware/ram linux/container/docker memory

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   • 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
6. "Don't run this on any system you expect to be up" they said, but we did it anyway - Byte Blog

   2017-07-20
   chroot hardware/ram linux linux/ubuntu live upgrade

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   • https://github.com/marcan/takeover.sh
   • https://news.ycombinator.com/item?id=13622301
   • https://linux.die.net/man/8/debootstrap
   • https://linux.die.net/man/8/pivot_root
   • https://linux.die.net/man/2/pivot_root
7. Linux: Find Out What Process Are Using Swap Space

   2016-12-17
   hardware/ram linux memory swap virtualization/proxmox

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   "Sauf que y a tj un mec dans la boîte qui vient faire chier à demander un environnement Java (sous couvert de Big data tout ça...) je suis d'accord il faudrait le licencier immédiatement mais en attendant c'est la fête du Swap..."