Mark B Fail-Safe

com.startup.sysctl.plist

As of at least macOS Catalina 10.15.3, /etc/sysctl.conf values are no longer respected and/or the file straight up doesn't exist (confirmed on macOS Monterey 12.4.)

Ran across a fio shm error: failed to setup shm segment while benchmarking SSDs. The fix was to set shmmni to 4096. The following has to happen:

Disable SIP
- Disclaimer from Apple
  
  Warning
  
  Disable SIP only temporarily to perform necessary tasks, and reenable it as soon as possible. Failure to reenable SIP when you are done testing leaves your computer vulnerable to malicious code.

	# Derived from this: https://github.com/gashton/bambustudio_tools/blob/master/bambudiscovery.sh
	# Python implementation without need for linux
	# Send the IP address of your BambuLab printer to port 2021/udp, which BambuStudio is listens on.

	# Ensure your PC has firewall pot 2021/udp open. This is required as the proper response would usually go to the ephemeral source port that the M-SEARCH ssdp:discover message.
	# But we are are blindly sending a response directly to the BambuStudio listening service port (2021/udp).

	# Temporary solution to BambuStudio not allowing you to manually specify the Printer IP.

	# Usage:

	#!/bin/bash
	#
	# The MIT License (MIT)

	# Copyright (c) 2015 Justin Shattuck <[email protected]>, F5 Networks, Inc.

	# Permission is hereby granted, free of charge, to any person obtaining a copy
	# of this software and associated documentation files (the "Software"), to deal
	# in the Software without restriction, including without limitation the rights
	# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell