Wojtek Kaniewski wojtekka

## gist:112466aff750d0a8fb7c251c67d65e2c

      
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                wojtekka
                / gist:112466aff750d0a8fb7c251c67d65e2c
            
            
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              November 5, 2024 16:20
            
              
                LVM for dummies
              
          
    LVM for dummies

# pvcreate /dev/nvme0n1pX
# vgcreate foo /dev/nvme0n1pX
# lvcreate --name bar -l '100%FREE' foo
# mkfs.ext4 /dev/foo/bar

Copy GPT


## booklet.py
#!/usr/bin/python3

import sys

# 4 ->  odd  -> 4,1
#       even -> 2,3

# 8 ->  odd  -> 8,1  6,3
#       even -> 2,7  4,5

## gist:14742f035b7e0c9682a02df54789d30a
/boot/config.txt:

[all]
dtoverlay=pwm-2chan,pin=18,func=2,pin2=13,func2=4

/boot/cmdline.txt:

snd_bcm2835.enable_compat_alsa=1

/etc/rc.local:

## index.html
<!doctype html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta charset="utf-8" />
<script type="text/javascript">
var url = "ws://" + location.host + location.pathname + "websocket";
var connected = false;
var ws;
var ready = false;

## am2320.py
# AM2320 connected to Raspberry Pi pin 3 (SDA) and 5 (SCL)
# Public domain

import sys
import fcntl
import time
import struct

I2C_SLAVE = 0x0703
AM2320_ADDR = 0x5c

## gist:3c5197daefc631b3ed10b2ce1d03700a
$ openssl req -new -x509 -days 365 -nodes -out server.crt -keyout server.key

## gist:6c532afa9437c9b6696e789caa6ecf4a
#!/bin/sh

echo "dwc2" >> /etc/modules
echo "g_ether" >> /etc/modules
echo "dtoverlay=dwc2" >> /boot/config.txt

cat > /etc/systemd/network/usb0.network << EOF
[Match]
Name=usb0
	#!/usr/bin/python3

	import sys

	# 4 -> odd -> 4,1
	# even -> 2,3

	# 8 -> odd -> 8,1 6,3
	# even -> 2,7 4,5
	/boot/config.txt:

	[all]
	dtoverlay=pwm-2chan,pin=18,func=2,pin2=13,func2=4

	/boot/cmdline.txt:

	snd_bcm2835.enable_compat_alsa=1

	/etc/rc.local:
	<!doctype html>
	<html>
	<head>
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<meta charset="utf-8" />
	<script type="text/javascript">
	var url = "ws://" + location.host + location.pathname + "websocket";
	var connected = false;
	var ws;
	var ready = false;
	# AM2320 connected to Raspberry Pi pin 3 (SDA) and 5 (SCL)
	# Public domain

	import sys
	import fcntl
	import time
	import struct

	I2C_SLAVE = 0x0703
	AM2320_ADDR = 0x5c
	#!/bin/sh

	echo "dwc2" >> /etc/modules
	echo "g_ether" >> /etc/modules
	echo "dtoverlay=dwc2" >> /boot/config.txt

	cat > /etc/systemd/network/usb0.network << EOF
	[Match]
	Name=usb0