VirtualTam's bookmarks

41. pyinfra - Automate infrastructure using Python 2024-05-03

    tags: infrastructure, linux, network/ssh, python

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    • pyinfra-dev/pyinfra
42. facebookexperimental/hermit - Launch linux x86_64 programs in a special, hermetically isolated sandbox to control their execution 2024-03-31

    tags: concurrency, linux, programming/testing, programming/testing/integration

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43. High-Speed Packet Transmission in Go: From net.Dial to AF_XDP 2024-03-31

    tags: linux/kernel, linux/kernel/ebpf, network/bgp, network/packet, network/router, network/socket, programming/go

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    • Building an XDP (eXpress Data Path) based BGP peering router
    • atoonk/ping-aws-ips - ping all AWS IP addresses to see how many ec2 instances AWS has at any given time
    • atoonk/go-pktgen - Go Packet Generator
44. Fly.io - JIT Wireguard 2024-03-31

    tags: database/sqlite, network/http, network/udp, network/vpn/wireguard, programming/go

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    What if, instead of pushing [user] configs to gateways, we had the gateways pull them from our API on demand?

    • Linux Kernel - Introduction to Netlink
    • tqbf/wg_init.go - Wireguard initiator-responder identity example
45. OpenGFW - A flexible, easy-to-use, open source implementation of GFW (Great Firewall of China) on Linux 2024-03-31

    tags: linux, network/firewall, network/ipv4, network/ipv6, network/packet-capture/wireshark, programming/go, reverse-engineering

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    • USENIX Security Symposium 2023 - How the Great Firewall of China Detects and Blocks Fully Encrypted Traffic
46. 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
47. 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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48. 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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49. 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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50. 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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51. 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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52. 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
53. 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
54. 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
55. 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
56. 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
57. A Minimum Complete Tutorial of Linux ext4 File System 2024-01-07

    tags: filesystem/ext4, linux, storage

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58. 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
59. 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?
60. 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