Kevin Gustavson kgust

Docker (Mac) De-facto Standard Host Address Alias

This launchd script will ensure that your Docker environment on your Mac will have 10.254.254.254 as an alias on your loopback device (127.0.0.1). The command being run is ifconfig lo0 alias 10.254.254.254

Installation

Copy/Paste the following in terminal with sudo (must be root as the target directory is owned by root)...

sudo curl -o /Library/LaunchDaemons/info.kevingustavson.docker_10254_alias.plist https://gist.github.com/kgust/3fe1ae7420e2b35ed3b40eb3feef4efe/raw/info.kevingustavson.docker_10254_alias.plist

To reduce the `Docker.qcow2` size (there is an offical solution pending)

screen ~/Library/Containers/com.docker.docker/Data/com.docker.driver.amd64-linux/tty
login as root
dd if=/dev/zero of=/mnt/docker/zero bs=4096 to fill zero bytes into the free space of the ext4 file system under Docker.qcow4, until the disk is full
rm /mnt/docker/zero then all the free space of Docker.qcow2 would be filled with zeros
logout, and detach screen
Finally reduce the the Docker.qcow2 file size, /Applications/Docker.app/Contents/MacOS/qemu-img convert -O qcow2 Docker.qcow2 Docker2.qcow2

Interface alias

sudo ifconfig lo0 alias 10.254.254.254

Developer Resources

CSS

Bootstrap
- Wall of browser bugs – Bootstrap

Xdebug

Debugging a CLI script
- export XDEBUG_CONFIG="idekey=PHPSTORM"
- php myscript.php

Hello, visitors! If you want an updated version of this styleguide in repo form with tons of real-life examples… check out Trellisheets! https://github.com/trello/trellisheets

Trello CSS Guide

“I perfectly understand our CSS. I never have any issues with cascading rules. I never have to use !important or inline styles. Even though somebody else wrote this bit of CSS, I know exactly how it works and how to extend it. Fixes are easy! I have a hard time breaking our CSS. I know exactly where to put new CSS. We use all of our CSS and it’s pretty small overall. When I delete a template, I know the exact corresponding CSS file and I can delete it all at once. Nothing gets left behind.”

You often hear updog saying stuff like this. Who’s updog? Not much, who is up with you?

Section	Description
checkpoint	manage checkpoints
container	manage containers
image	manage images
network	manage networks
node	manage nodes
plugin	manage plugins
secret	manage docker secrets
service	manage services

A somewhat crude way to do this:

Start socat to expose local xquartz socket on a TCP port
socat TCP-LISTEN:6000,reuseaddr,fork UNIX-CLIENT:\"$DISPLAY\"

Pass the display to container (assuming virtualbox host is available on 192.168.59.3):
docker run -e DISPLAY=192.168.59.3:0 jess/geary
(This is insecure on public networks, add bind, su and range options to socat to limit access.)

From:

Of course you can do this.

Firstly you have to check your Apache version. You should have 2.4+ version. I will show you command for my server on Ubuntu 14.4.

Secondly, turn on necessary apache modules:

a2enmod proxy
a2enmod proxy_http
a2enmod proxy_wstunnel

Javascript

Webpack is a module bundler for modern JavaScript applications.

Frontend Frameworks

[X2node.com] Framework for Node.js

Select element libraries

Selectivity.js Modular and light-weight selection library
Chosen Chosen is a jQuery plugin that makes long, unwieldy select boxes much more user-friendly
Select2 The jQuery replacement for select boxes

	// This makes two connections, one to a tcp server, one to an http server (both in server.js)
	// It fires off a bunch of connections and times the response

	// Both send strings.

	const net = require(`net`);
	const http = require(`http`);

	function parseIncomingMessage(res) {
	return new Promise((resolve) => {

	Homebrew build logs for lastpass-cli on macOS 10.12.2
	Build date: 2016-12-15 07:44:49