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@marcan
marcan / linux.sh
Last active July 26, 2025 08:39
Linux kernel initialization, translated to bash
#!/boot/bzImage
# Linux kernel userspace initialization code, translated to bash
# (Minus floppy disk handling, because seriously, it's 2017.)
# Not 100% accurate, but gives you a good idea of how kernel init works
# GPLv2, Copyright 2017 Hector Martin <[email protected]>
# Based on Linux 4.10-rc2.
# Note: pretend chroot is a builtin and affects the current process
# Note: kernel actually uses major/minor device numbers instead of device name
@mleinart
mleinart / sierra_mc7355_flashing.md
Last active September 20, 2024 17:18
Flashing Carrier configuration and updated firmware to a Sierra MC7355

Overview

The Sierra MC7355 can run configurations for several North American carriers. These cards are easy to find on eBay and notable for their support for the Sprint LTE network. Unless you're luck out, you may find you need to flash a new carrier configuration onto the card you purchased before using it.

Notes

These procedures are specific to the setup I had to perform this on. Most notably, the only system I had with a mini-PCI-e slot was the target pfSense system, a PCengines APU1d with no VGA port (serial console only). If you're able to obtain a

@kwilczynski
kwilczynski / disable-ipv6.sh
Last active June 9, 2025 22:50
Amazon Linux OS tweaks
#!/bin/bash
set -u
set -e
set -o pipefail
export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
cat <<'EOF' > /etc/modprobe.d/blacklist-ipv6.conf
@webstandardcss
webstandardcss / pedantically_commented_playbook.yml
Last active June 12, 2025 07:15 — forked from phred/pedantically_commented_playbook.yml
Insanely complete Ansible playbook, showing off all the options.
---
# ^^^ YAML documents must begin with the document separator "---"
#
#### Example docblock, I like to put a descriptive comment at the top of my
#### playbooks.
#
# Overview: Playbook to bootstrap a new host for configuration management.
# Applies to: production
# Description:
# Ensures that a host is configured for management with Ansible.
@staltz
staltz / introrx.md
Last active July 31, 2025 06:33
The introduction to Reactive Programming you've been missing
@marktheunissen
marktheunissen / pedantically_commented_playbook.yml
Last active July 22, 2025 02:26 — forked from phred/pedantically_commented_playbook.yml
Insanely complete Ansible playbook, showing off all the options
This playbook has been removed as it is now very outdated.