thimslugga

#cloud-config
# vim: syntax=yaml

disable_ec2_metadata: false

# Runs on each boot
bootcmd:
  # Replace default 127.0.0.1 IP in /etc/hosts with private IP address
  - sed -i'' 's/^[0-9]\+\.[0-9]\+\.[0-9]\+\.[0-9]\+\([[:space:]]*[{]{fqdn}}\)/{{ ds.meta_data.local_ipv4 }}\1/' /etc/cloud/templates/hosts.debian.tmpl

thimslugga

#!/bin/bash

# A cleaner alternative to this approach, but which requires a restart, is to populate TCC's SiteOverrides.plist inside
# the TCC app support directory with the following:
# <?xml version="1.0" encoding="UTF-8"?>
# <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
# <plist version="1.0">
# <dict>
# 	<key>Services</key>
# 		<dict>

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#!/usr/bin/env bash
#set -ex

# Usage: bash <(curl -sL https://gist.github.com/thimslugga/<>/sanitze-clean.sh)
#
# https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html-single/configuring_and_managing_cloud-init_for_rhel_8/index
# https://docs.aws.amazon.com/imagebuilder/latest/userguide/security-best-practices.html
# https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/building-shared-amis.html
# https://github.com/aws/amazon-ecs-ami/blob/main/scripts/cleanup.sh
# https://github.com/awslabs/amazon-eks-ami/blob/main/templates/shared/provisioners/cleanup.sh

thimslugga

# EditorConfig is awesome: https://EditorConfig.org

# top-most EditorConfig file
root = true

# Unix-style newlines with a newline ending every file
[*]
charset = utf-8
end_of_line = lf
indent_size = 4

thimslugga

layout	title	date	categories
post	Apple Silicon and Virtual Machines: Beating the 2 VM Limit	2023-08-08 07:00:00 -0600	macOS

• macOS Internals Deep Dive
• Building a Development Kernel Collection
• Configuring our Mac to boot the Development Kernel Collection

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• macOS, Zsh, and more
  • Zsh initializations
  • Zsh way of $PATH
  • the special macOS
  • /usr/libexec/path_helper
    • What is it?
    • What does it do?
    • What does it break?
  • Situation explained

• The .*shrc file

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# ./lsiommu 
IOMMU Group 0 00:01.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge [1022:1482]
IOMMU Group 10 00:08.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge [1022:1482]
IOMMU Group 11 00:08.1 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B] [1022:1484]
IOMMU Group 12 00:14.0 SMBus [0c05]: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller [1022:790b] (rev 61)
IOMMU Group 12 00:14.3 ISA bridge [0601]: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge [1022:790e] (rev 51)
IOMMU Group 13 00:18.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Matisse/Vermeer Data Fabric: Device 18h; Function 0 [1022:1440]
IOMMU Group 13 00:18.1 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Matisse/Vermeer Data Fabric: Device 18h; Function 1 [1022:1441]
IOMMU Group 13 00:18.2 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Matisse/Vermeer Da

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Linux Support Cheatsheet

OS

date -u

cat /etc/os-release

uname -r

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Notes

Manual Installation

sudo su -

apt-get update -y && apt-get upgrade -qqy
snap refresh

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#cloud-config
bootcmd:
  - |
    /bin/bash <<-'EOS'
    #!/bin/bash
    exec > >(tee /root/log.txt)
    exec 2>&1
    set -ex
    if [ -e /new ]; then
      # avoid loops