eclecticmiraclecat

Chapter 2. Building a personal CD library.

Starting a django project

$ mkdir chapter2 && cd chapter2
$ django-admin.py startproject djen_project .

Getting started with the App

create app

Frappe - Creating a Custom Application & Integrating it with ERPNext

Exercise create a total weight field in erpnext Sales Order

Custom Application

create new app

$ bench new-app erpnext_shipping
INFO:bench.app:creating new app erpnext_shipping

notes from https://learning.oreilly.com/videos/puppet-5/9781789131642/

Chapter 1: Managing data with hiera

Why hiera?

look up configuration value
what changes in the future

Hiera locations

/etc/puppetlabs/code/environments/production/hiera.yaml

notes from https://learning.oreilly.com/videos/puppet-5/9781789137125

Chapter 1: Getting started with puppet

Getting ready for puppet

$ git clone https://github.com/bitfield/puppet-beginners-guide-3.git

$ cd puppet-beginners-guide-3

# nested_loos.yml
---

- name: Network Getting Started First Playbook
  hosts: all
  tasks:
    - name: say hello using nested loops
      debug: msg="The value {{ item[0] }} and {{ item[1] }}"
 with_nested:

# iterator_conditional.yml
---

- name: test iteratory with when
  hosts: all
  tasks:
  - command: echo {{ item }}
    with_items: [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ]
 when: item &gt; 7

	package {'puppet-lint':
	ensure => 'installed',
	provider => 'gem',
	require => Package['rubygems'],
	}

	package { 'rubygems':
	ensure => present,
	}

	# Nagios Features

	1. Infrastructure Monitoring
	a. Provided by: Nagios Core \| Nagios XI (commercial offering)
	b. Uses standard protocols: ICMP, TCP, UDP, etc
	c. Host resources: Disk, CPU, RAM usage - NRPE add on
	d. Event handler for service restarts across platforms: linux, unix, windows, etc.
	e. Checks are performed every 5 minutes by default, unless overriden via HOST, HOSTGROUP, SERVICE, etc
	f. Active (Default, Nagios-initiated) and Passive (externally-initiated) checks are supported

	systemctl status puppetmaster

	systemctl status puppetmaster.service

	service puppetmaster status