Marcin Kulik ku1ik

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

... or Why Pipelining Is Not That Easy

Golang Concurrency Patterns for brave and smart.

THIS GIST WAS MOVED TO TERMSTANDARD/COLORS REPOSITORY.

PLEASE ASK YOUR QUESTIONS OR ADD ANY SUGGESTIONS AS A REPOSITORY ISSUES OR PULL REQUESTS INSTEAD!

	%Plug.Conn{
	adapter: {Plug.Adapters.Cowboy.Conn, :...},
	assigns: %{
	my_assigns: "here"
	},
	before_send: [
	#Function<7.125546534/1 in Phoenix.Controller.fetch_flash/2>,
	#Function<1.127904613/1 in Plug.Session.before_send/2>,
	#Function<1.43511252/1 in Plug.Logger.call/2>,
	#Function<0.70322810/1 in Phoenix.LiveReloader.before_send_inject_reloader/1>

	# On the phoenix node

	# if production mode
	MIX_ENV=prod PORT=4001 elixir --name [email protected] --cookie 123 --erl "-kernel inet_dist_listen_min 9001 inet_dist_listen_m 9001" -pa _build/prod/consolidated -S mix phoenix.server
	# if debug mode
	elixir --name [email protected] --cookie 123 --erl "-kernel inet_dist_listen_min 9001 inet_dist_listen_m 9001" -S mix phoenix.server

	# On the observing node
	# Terminal 1, start SSH tunnel
	ssh -N -L 9001:localhost:9001 -L 4369:localhost:4369 [email protected]

	defmodule HttpRequester do
	use GenServer

	def start_link(_) do
	GenServer.start_link(__MODULE__, nil, [])
	end

	def fetch(server, url) do
	# Don't use cast: http://blog.elixirsips.com/2014/07/16/errata-dont-use-cast-in-a-poolboy-transaction/
	timeout_ms = 10_000

	#!/bin/sh
	#
	# Query a property from the terminal, e.g. background color.
	#
	# XTerm Operating System Commands
	# "ESC ] Ps;Pt ST"

	oldstty=$(stty -g)

	# What to query?

	Your monthly notice to go through and disconnect unused applications across various services.

	Twitter: https://twitter.com/settings/applications
	Dropbox: https://www.dropbox.com/account/connected_apps
	Facebook: https://www.facebook.com/settings?tab=applications
	Google Apps: https://security.google.com/settings/security/permissions?pli=1
	Google Ads: http://www.google.com/ads/preferences
	Google Account: https://security.google.com/settings/security/secureaccount
	Foursquare: https://foursquare.com/settings/connections
	Instagram: https://instagram.com/accounts/manage_access

	- name: Install wget package (Debian based)
	action: apt pkg='wget' state=installed
	only_if: "'$ansible_pkg_mgr' == 'apt'"



	- name: Install wget package (RedHat based)
	action: yum name='wget' state=installed
	only_if: "'$ansible_pkg_mgr' == 'yum'"