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• using Ansible command line:

ansible-playbook --connection=local 127.0.0.1 playbook.yml

• using inventory:

127.0.0.1 ansible_connection=local

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Enable WSL and Ubuntu 16.04 on Windows 10

References:

• https://docs.microsoft.com/en-us/windows/wsl/install-win10
• https://docs.microsoft.com/en-us/windows/wsl/install-manual
• https://docs.microsoft.com/en-us/windows/wsl/user-support
• https://docs.microsoft.com/en-us/windows/wsl/wsl-config

Install and setup

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My Openshift Cheatsheet

Examine the cluster quota defined for the environment:

$ oc describe AppliedClusterResourceQuota

Install pkgs using yum in a Dockerfile

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#
# MIGRATE MySQL4 DATABASES TO MySQL5 - Steps for dumping and converting
# 
# Uses mysqldump and patches output to be compatible with MySQL 5.5+ (? - no sure 
# at which specific release of MySQL 5 the old style syntax support ended).
#
# Conversion is most likely incomplete. It does some essential converting where
# I regularly experienced problems during migration.
#
# Use on own risk, always try with test databases first. No warranty at all!

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<?php
# Fill our vars and run on cli
# $ php -f db-connect-test.php

$dbname = 'name';
$dbuser = 'user';
$dbpass = 'pass';
$dbhost = 'host';

$connect = mysql_connect($dbhost, $dbuser, $dbpass) or die("Unable to Connect to '$dbhost'");

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An Ansible summary

Jon Warbrick, July 2014, V3.2 (for Ansible 1.7)

Configuration file

intro_configuration.html

First one found from of

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#=======================================
# Part 1 is Setting up the Mirror Server

# Install CPAN::Mini
$ curl -L http://cpanmin.us | perl - --sudo CPAN::Mini

# Select a CPAN Mirror URL from http://mirrors.cpan.org/
#   - We'll use http://cpan.pair.com
# Pick a directory to mirror to, I'll use /var/www/cpan

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## credit: http://fabian-affolter.ch/blog/the-lineinfile-module-of-ansible/
--- 
- hosts: alpine_install
  user: root
 
  tasks:
#  - name: create a complete empty file
#    command: /usr/bin/touch /test/test.conf
 
  - name: create a new file with lineinfile

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Clúster MariaDB con Galera en Debian 9 Stretch from scratch

Suponiendo dos servidores con IP's 10.1.0.1 (galera1) y 10.1.0.2 (galera2), la instalación de un cluster MariaDB es bien sencilla.

• Instalamos mariadb-server en nuestros nodos: apt install mariadb-server
• Paramos el servicio mariadb.service en todos los nodos: systemctl stop mariadb.service
• Nos creamos en todos los nodos el fichero /etc/mysql/conf.d/galera.conf con el siguiente contenido (modificando en cada nodo la configuración específica):

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Project Title

One Paragraph of project description goes here

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.

Prerequisities