devops-school

================================================================
Step 1 - Install Docker 
================================================================
$ sudo apt-get install ca-certificates curl gnupg lsb-release
$ sudo mkdir -p /etc/apt/keyrings
$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
$ echo   "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
$ sudo apt-get update
$ sudo apt-get install docker-ce docker-ce-cli containerd.io docker-compose-plugin

devops-school

=====================================================
Step 1 - Install icinga2 in Agent Server
=====================================================
    8  apt update
    9  apt -y install apt-transport-https wget gnupg
   10  wget -O - https://packages.icinga.com/icinga.key | gpg --dearmor -o /usr/share/keyrings/icinga-archive-keyring.gpg
   11  . /etc/os-release; if [ ! -z ${UBUNTU_CODENAME+x} ]; then DIST="${UBUNTU_CODENAME}"; else DIST="$(lsb_release -c| awk '{print $2}')"; fi;  echo "deb [signed-by=/usr/share/keyrings/icinga-archive-keyring.gpg] https://packages.icinga.com/ubuntu icinga-${DIST} main" >  /etc/apt/sources.list.d/${DIST}-icinga.list
   12  apt update
   13  apt install icinga2
   14  apt install monitoring-plugins

devops-school

object Host NodeName {
  /* Import the default host template defined in `templates.conf`. */
  import "generic-host"

  /* Specify the address attributes for checks e.g. `ssh` or `http`. */
  address = "127.0.0.1"
  address6 = "::1"

  /* Set custom variable `os` for hostgroup assignment in `groups.conf`. */
  vars.os = "Linux"

devops-school

<?php
// Moodle configuration file inclusion - adjust the path as needed
require('/path/to/your/moodle/config.php');

// User data
$email = 'example@example.com'; // Assume this comes from your form
$username = 'newusername'; // Assume this comes from your form
$password = 'newpassword'; // Assume this comes from your form, needs to be hashed

// Hash the password using bcrypt, compatible with Moodle's password hashing

devops-school

Lucene Cheatsheet

Andrew Pennebaker

https://github.com/mcandre/cheatsheets/blob/master/lucene.md

About

Lucene is a programmable search engine, used by elasticsearch and Kibana to search public and private data collections.

devops-school

# Application Deployment
apiVersion: apps/v1
kind: Deployment
metadata:
  name: my-app
  namespace: default
spec:
  selector:
    matchLabels:
      app: my-app

devops-school

# Application Deployment
apiVersion: apps/v1
kind: Deployment
metadata:
  name: web-app
  namespace: default
spec:
  replicas: 2
  selector:
    matchLabels:

devops-school

# Docker
# Build a Docker image
# https://docs.microsoft.com/azure/devops/pipelines/languages/docker

trigger:
- main

resources:
- repo: self

devops-school

import boto3
import os

def sync_s3_bucket_to_local(bucket_name, local_directory):
    # Initialize S3 client
    s3_client = boto3.client('s3')

    # Create local directory if it does not exist
    if not os.path.exists(local_directory):
        os.makedirs(local_directory)

devops-school

# pip install unittest-parallel
 
# tests/test_parallel_execution.py
# In this code, we have a unittest test case class TestParallelExecution with three test methods representing tasks that can run concurrently.
 
import time
import unittest
 
class TestParallelExecution(unittest.TestCase):
    def test_task_1(self):