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Allwinner A64

$ get-gb-scores.sh sun50iw1p1
Average Geekbench 4 scores for `sun50iw1p1`:

 -> Downloading page 10
Single-Core Score:	458.991
Multi-Core Score:	1133.27

https://software.intel.com/sites/default/files/managed/c5/15/vt-directed-io-spec.pdf

• Legacy pin interrupts

— For devices that use legacy methods for interrupt routing (such as either through direct wiring to the I/OxAPIC input pins, or through INTx messages), the I/OxAPIC hardware generates the interrupt-request transaction. To identify the source of interrupt requests generated by I/OxAPICs, the interrupt-remapping hardware requires each I/OxAPIC in the platform (enumerated through the ACPI Multiple APIC Descriptor Tables (MADT)) to include a unique 16-bit source-id in its requests. BIOS reports the source-id for these I/OxAPICs via ACPI

ANSI Escape Sequences

Standard escape codes are prefixed with Escape:

Ctrl-Key: ^[
Octal: \033
Unicode: \u001b
Hexadecimal: \x1B
Decimal: 27

Simple WireGuard configuration

1 server, 2 clients

Getting started

Install Wireguard on all machines.

Generate all keys

Latest Update 2021-03-06 : New image showing the new "Services" in Home Assistant and got some tips from the comments below.

Credits and thanks: Home Assistant Forum users & Github users: @ocso, @wiphye, @teachingbirds, @tboyce1, @simbesh, @JeffLIrion @ff12 @rebmemer @siaox @DiederikvandenB @Thebuz @clapbr @Finsterclown

Start apps on your android device (in the examples below, my Nvidia Shield TV) from Home Assistant

Starts Youtube App

entity_id: media_player.shield
command: >-

My NVIDIA GTX 980 Ti being idle eats 53 W (out of 250 W max). Here's how to put to to a power saving mode at 30 W consumption and keep it prepared to run at higher performance automatically when there's a computation running.

TL;DR

sudo nvidia-smi -pm ENABLED -i 0
sudo nvidia-smi -ac 405,135 -i 0

OpenWRT on x86_64

This is a very brief tutorial on getting OpenWRT installed on a regular computer, it assumes you know your way around Linux. If you find this and need additional details, please like, subscribe, and comm... oh wait this isn't youtube, just comment.

Updated: Current version is 22.03.5, this was originally written for 18.6.x in 2019.

What You'll Need

1 USB Stick
Linux Live ISO

	<NotepadPlus>
	<UserLang name="nftables" ext="" udlVersion="2.1">
	<Settings>
	<Global caseIgnored="no" allowFoldOfComments="no" foldCompact="no" forcePureLC="0" decimalSeparator="0" />
	<Prefix Keywords1="no" Keywords2="no" Keywords3="no" Keywords4="no" Keywords5="no" Keywords6="no" Keywords7="no" Keywords8="no" />
	</Settings>
	<KeywordLists>
	<Keywords name="Comments">00# 01 02 03" 04"</Keywords>
	<Keywords name="Numbers, prefix1"></Keywords>
	<Keywords name="Numbers, prefix2"></Keywords>

	/*
	* IRbeacon: Continually sends IR remote control information every 5 seconds
	* An IR LED must be connected to the ESP32 pin IR_LED via 100 ohm resistor.
	* Uses the ESP32-IRremote library and modified functions from the
	* Microsoft GetStarted.ino sketch in the Examples folder.
	*
	* 0xa90 is the Sony power on/off code.
	*
	* Version 0.1 August, 2018
	* Copyright 2018 David Such

	#!/bin/sh
	# This file is interpreted as shell script.
	# Put your custom iptables rules here, they will
	# be executed with each firewall (re-)start.

	# Internal uci firewall chains are flushed and recreated on reload, so
	# put custom rules into the root chains e.g. INPUT or FORWARD or into the
	# special user chains, e.g. input_wan_rule or postrouting_lan_rule.

	exec >/dev/ttyS0