Felipe Gonzalez felipe3dfx

Removing all images is

 #!/bin/bash
 $ docker ps -q -a | xargs docker rm -f

Removing all containers

 #!/bin/bash
 # Delete all dangling (unused) images

docker rmi $( docker images -f dangling=true -q )

Running adhoc commands on multiple servers

Using the following /etc/ansible/hosts file:

[app]
192.168.60.4  ansible_user=deploy
192.168.60.5  ansible_user=deploy

sudo nano /etc/X11/xorg.conf

Section "ServerFlags"
Option "blank time" "0"
Option "standby time" "0"

Option "suspend time" "0"
Option "off time" "0"
EndSection

Create a user for the replication:

$ psql postgres
postgres=# CREATE USER replica REPLICATION LOGIN ENCRYPTED PASSWORD 'so-secret';

	{
	"always_show_minimap_viewport": true,
	"bold_folder_labels": true,
	"color_scheme": "Packages/Material Theme/schemes/Material-Theme-Darker.tmTheme",
	"default_encoding": "UTF-8",
	"default_line_ending": "unix",
	"detect_indentation": false,
	"display_signatures": false,
	"draw_white_space": "all",
	"ensure_newline_at_eof_on_save": true,

	document.addEventListener( 'DOMContentLoaded', function () {
	function cachetAlert(cachetUrl) {
	var createAlert = function(incident) {
	var divElement = document.createElement('div');
	divElement.id = 'cachet-alert';
	divElement.setAttribute('style', 'background-color: #FF3D2E; text-align: center; font-family: sans-serif;');
	divElement.innerHTML = '<a style="color: #fff; display: block; padding: 5px;" href="'+ cachetUrl +'" target="_blank">'+ incident.name +'</a>';
	document.body.insertBefore(divElement, document.body.children[0]);
	};

	# settings.py
	'huey.contrib.djhuey',

	LOGGING = {
	'version': 1,
	'disable_existing_loggers': False,
	'formatters': {
	'level-and-date': {
	'format':
	'%(levelname)s\t%(asctime)s\t%(funcName)s\t%(message)s'

	1. Remove old migrations file
	sudo find . -path "/migrations/.py" -not -name "__init__.py" -not -path "./.venv/*" -delete
	sudo find . -path "/migrations/.pyc" -not -path "./.venv/*" -delete

	2. Make migrations again
	python manage.py makemigrations

	3. Truncate django_migrations table
	TRUNCATE TABLE django_migrations;