VirtualTam's bookmarks

41. oss-security - backdoor in upstream xz/liblzma leading to ssh server compromise 2024-03-31

    tags: compression/lzma, compression/xz, linux, programming/c, programming/shell/bash, security, security/backdoor

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    • XZ Utils backdoor
    • xz/liblzma: Bash-stage Obfuscation Explained
    • /r/Linux - XZ Utils backdoor
    • Debian Bug report logs - #1068024 revert to version that does not contain changes by bad actor
    • FAQ on the xz-utils backdoor
    • LWN - A backdoor in xz
    • Everything I Know About the Xz Backdoor
42. dev-sec/ansible-collection-hardening - Hardening for Linux, SSH, Apache HTTPD, Nginx, MySQL 2024-03-31

    tags: configuration-management/ansible, database/mysql, linux, network/http-server/apache-httpd, network/http-server/nginx, network/ssh

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43. Fixing a Bug in PyPy's Incremental GC 2024-03-28

    tags: debugging/gdb, linux/kernel, memory/garbage-collection, programming/python

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44. The #! magic, details about the shebang/hash-bang mechanism on various Unix flavours 2024-03-25

    tags: bsd, linux, programming/shell, unix

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45. spacer - CLI tool to insert spacers when command output stops 2024-02-25

    tags: command-line, linux, observability/logging, programming/rust

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46. Uncurled – everything I know and learned about running and maintaining Open Source projects for three decades 2024-02-12

    tags: curl, linux, open-source, programming/c, programming/library

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47. How to Learn Nix 2024-01-31

    tags: linux/nixos, programming/functional-programming, programming/shell

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    • Part 4: Quick starts, full hearts
    • Part 12: The Nix expression language
    • Part 22: Setting up a declarative user environment
    • Part 26: An infinite list of functions
    • Part 37: Saving your shell
48. Rethinking the D-Bus Message Bus 2024-01-23

    tags: linux, linux/systemd, message-broker/dbus, programming/c

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    • Fedora - Changes - Dbus Broker As The Default Dbus Implementation
    • Arch Linux - Make dbus-broker our default D-Bus daemon
49. Linux perf examples 2024-01-13

    tags: command-line, linux, observability/tracing, performance, performance/profiling

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    • Perf Wiki
    • The Unofficial Linux Perf Events Web-Page
50. NASM, the Netwide Assembler 2024-01-13

    tags: compiler, linux, programming/assembly, programming/c

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    • netwide-assembler/nasm
    • asmtutor - Learn Assembly Language
    • NASM Tutorial
51. Performance Analysis and Tuning on Modern CPUs 2024-01-13

    tags: book, linux, performance/profiling, programming/c++, programming/rust

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    • PerformanceNinja video courses playlist
    • dendibakh/perf-ninja - An online course where you can learn and master the skill of low-level performance analysis and tuning
    • grahamking/perf-ninja-rs - Rust labs for Performance Ninja Class
52. A Minimum Complete Tutorial of Linux ext4 File System 2024-01-07

    tags: filesystem/ext4, linux, storage

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53. Debian Package Repository - Instructions to connect to a third-party repository (with Ansible) 2024-01-06

    tags: configuration-management/ansible, cryptography/pgp, cryptography/pgp/gnupg, linux/debian, linux/ubuntu, packaging

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    • apt_key deprecated in Debian/Ubuntu - how to fix in Ansible
    • ansible.builtin.deb822_repository - Add and remove deb822 formatted repositories
    • ansible/ansible#78063 - ansible.builtin.apt_key adds keys to a deprecated location
    • Example usages of the new deb822_repository Ansible module
    • Ubuntu [Spec] APT deb822 sources by default
54. Rust std fs slower than Python!? No, it's hardware! 2023-11-30

    tags: amd, hardware/cpu, linux/kernel/ebpf, memory, observability/tracing, programming/python, programming/rust

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    • Xuanwo/when-i-find-rust-is-slow
    • Std::fs::read slow?
55. Sequoia-PGP - OpenPGP Implementation in Rust 2023-11-09

    tags: command-line, cryptography/encryption, cryptography/pgp, cryptography/pgp/gnupg, linux/debian, linux/fedora, programming/rust, security

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    • Sequoia PGP: A Sapling Matures: Meet sq 1.0
    • Talk about OpenPGP interop testing at the IETF 110
    • sequoia-pgp/sequoia - APIs for dealing with OpenPGP data
    • sequoia-pgp/sequoia-sq - the Sequoia-PGP command line tool
    • RpmSequoia
56. Cosmopolitan libc - Your build-once run-anywhere C library 2023-11-05

    tags: apple/macos, bsd, linux, microsoft/windows, programming/c, unix

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    • ape - αcτµαlly pδrταblε εxεcµταblε
    • Cosmopolitan Third Edition
    • jart/cosmopolitan
    • redbean - single-file distributable web server
57. Hacking and upgrading the Korg Kronos - From a 1.66GHz Atom to a 3.9GHz Skylake 2023-10-01

    tags: diy, embedded, hardware, instrument/synthesizer, korg/kronos, linux

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    • https://kronoshacker.blogspot.com/
    • https://www.kronoshaven.com/
    • http://www.korgforums.com/forum/phpBB2/viewforum.php?f=60
58. Cool, but obscure X11 tools 2023-07-22

    tags: desktop, graphics/2d, linux, unix, user-interface, x11

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59. Fly.io - Reliability: It’s Not Great 2023-07-22

    tags: database/postgresql, distributed-system, hashicorp/consul, hashicorp/nomad, hashicorp/vault, linux/container/docker

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60. Kubectl Cheat Sheet 2023-07-12

    tags: command-line, linux/container/kubernetes, programming/json

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    • How to filter pods by partial name
    • Field Selectors
    • JSONPath support
    • How to Make Kubectl Jsonpath Output On Separate Lines
    • Use Port Forwarding to Access Applications in a Cluster