Ricky Zhang rickyzhang82

Sample service script for debianoids

Look at LSB init scripts for more information.

Usage

Copy to /etc/init.d:

# replace "$YOUR_SERVICE_NAME" with your service's name (whenever it's not enough obvious)

Auto-starting VirtualBox VMs on MacOS High Sierra

Updated May 21/2018

There are lots of different how-tos out there for automatically launching VMs using VirtualBox on MacOS. Most of them focus on older versions of VirtualBox or old versions of MacOS.

Tested using MacOS High Sierra 10.13.4 running VirtualBox 5.2.12. The guest OS is Fedora 28.

Following the instructions on the VirtualBox website (https://www.virtualbox.org/manual/ch09.html#autostart), copy the Virtualbox autostart plist template file to your system's LaunchDaemons folder.

david$ sudo cp \

Disabling GNOME Tracker and Other Info

GNOME's tracker is a CPU and privacy hog. There's a pretty good case as to why it's neither useful nor necessary here: http://lduros.net/posts/tracker-sucks-thanks-tracker/

After discovering it chowing 2 cores, I decided to go about disabling it.

Directories

I have tried a lot of solutions for IP-camera streams.

Old solutions

Vitamio.https://github.com/yixia/Vitamio-iOS
Result: random crashes and not working cameras
https://github.com/kolyvan/kxmovie
Result: compile time error. I haven't successfully integrated it to my project.
GStreamer. https://github.com/sdroege/gst-player

Building OpenCV 3.2.0 from source with Python 3 support

Install OpenCV on macOS Sierra enabling Python 3 with the following instructions:

Install CMake, Python 3 + Numpy in advance
Download latest OpenCV source code (https://github.com/opencv/opencv/releases)
Move the folder opencv-3.2.0 to the current directory
In the current directory, execute the following steps:

mkdir build

	; Ender 3 Custom End G-code
	G4 ; Wait
	M220 S100 ; Reset Speed factor override percentage to default (100%)
	M221 S100 ; Reset Extrude factor override percentage to default (100%)
	G91 ; Set coordinates to relative
	G1 F1800 E-3 ; Retract filament 3 mm to prevent oozing
	G1 F3000 Z20 ; Move Z Axis up 20 mm to allow filament ooze freely
	G90 ; Set coordinates to absolute
	G1 X0 Y{machine_depth} F1000 ; Move Heat Bed to the front for easy print removal
	M106 S0 ; Turn off cooling fan

	#!/bin/sh

	### BEGIN INIT INFO
	# Provides: dockercompose
	# Required-Start: $docker
	# Required-Stop: $docker
	# Default-Start: 2 3 4 5
	# Default-Stop: 0 1 6
	# Short-Description: Docker Services
	### END INIT INFO