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How to resize a qcow2 disk image on Linux

This example takes olddisk.qcow2 and resizes it into newdisk.qcow2, extending one of the guest's partitions to fill the extra space.

1. qcow2 format

1.1. Verify the filesystems of olddisk.qcow2

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## Get cluster info
$ kubectl cluster-info

# Update firewalld
$ sudo firewall-cmd --permanent --zone=public --new-service=microk8s-api --set-description="Microk8s Control Plane API"
$ sudo firewall-cmd --zone=public --new-service=microk8s-api --set-description="Microk8s Control Plane API" 
$ sudo firewall-cmd --permanent --zone=public --service=microk8s-api --add-port=16443/tcp
$ sudo firewall-cmd --zone=public --service=microk8s-api --add-port=16443/tcp
$ sudo firewall-cmd --reload

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# .bash_profile

# Get the aliases and functions
if [ -f ~/.bashrc ]; then
	. ~/.bashrc
fi

# User specific environment and startup programs
alias k="kubectl"
alias microk="microk8s kubectl"

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#!/bin/python3
import os
import json

tmp_file = "tmp_list.json"

if os.path.exists(tmp_file):
  os.remove(tmp_file)
else:
  print("Not exists")

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function abc() {
    var promise = new Promise((resolve, reject) => {
        setTimeout(() => {
            resolve('step 1');
        }, 1000);
    });
    return promise;
}

async function def(){

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-- create-db.sql
DROP DATABASE IF EXISTS mydb;

CREATE DATABASE mydb;

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db.createUser(
    {
        user: "fariz",
        pwd: "admin321",
        roles:[
            {
                role: "readWrite",
                db:   "admin"
            }
        ]

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# Use postgres/example user/password credentials
version: '3.1'

services:
  db:
    image: postgres
    restart: always
    environment:
      POSTGRES_PASSWORD: example
  adminer:

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# docker-compose.yml
version: '3.7'
services:
  jenkins:
    image: jenkins/jenkins:lts
    privileged: true
    user: root
    ports:
      - 8083:8080
      - 50003:50000

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name: CICD

on: [push,pull_request]
jobs:
  push:
    runs-on: ubuntu-latest
    if: github.event_name == 'push'

    steps:
      ############################