backdoor-image can be used to easily add user with passwordless sudo access to a image or a root filesystem.
Operating on an image requires the 'mount-image-callback' tool from
cloud-utils. That can be installed on ubuntu via apt-get install -qy cloud-image-utils.
| #!/usr/bin/env python3 | |
| """Generate a presigned URL to download an S3 object | |
| <cmd> bucket_name key_name [expiration_days]""" | |
| import sys | |
| import boto3 | |
| from botocore.client import Config |
| #!/bin/bash | |
| ## Pass local .tar.gz path as first argument | |
| # Update the following variables | |
| # This will be created if it does not exist | |
| ACCOUNT_NAME="philrocheubuntu" | |
| # This will be created if it does not exist | |
| CONTAINER="philrocheubuntuimages" | |
| # Customize this as all vm resouces with this group will be cleaned up. This will be created if it does not exist |
| /** | |
| * Marlin 3D Printer Firmware | |
| * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin] | |
| * | |
| * Based on Sprinter and grbl. | |
| * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm | |
| * | |
| * This program is free software: you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License as published by | |
| * the Free Software Foundation, either version 3 of the License, or |
Here's my setup:
Complete up to the "Generate the cert" section in this gist
| #!/usr/bin/env python | |
| import argparse | |
| import tempfile | |
| import subprocess | |
| import traceback | |
| def u(somebytes): | |
| return None if somebytes is None else somebytes.decode('utf-8') |
References:
From man page: man apt_preferences
| import ssd1306 | |
| from machine import I2C, Pin | |
| i2c = I2C(sda=Pin(4), scl=Pin(5)) | |
| display = ssd1306.SSD1306_I2C(64, i2c) | |
| display.fill(0) | |
| display.text('Hallo',20,20) | |
| display.show() |
