pythoninthegrass

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

pythoninthegrass

BASE_URL=
ID=
SERVICE_TOKEN=
OUT_DIR=

pythoninthegrass

# Below are the dependencies required for installing the common combination of numpy, scipy, pandas and matplotlib 
# in an Alpine based Docker image.

ARG VERSION=3.18

FROM alpine:${VERSION}

RUN apk update \
    && apk add \
        --no-cache \

pythoninthegrass

# Source: https://gist.github.com/vfarcic/77c63cede031951654d5fea5ce0acb43

#########################################################################################
# Say Goodbye to Makefile - Use Taskfile to Manage Tasks in CI/CD Pipelines and Locally #
#########################################################################################

# Additional Info:
# - Task: https://taskfile.dev
# - Dagger: The Missing Ingredient for Your Disastrous CI/CD Pipeline: https://youtu.be/oosQ3z_9UEM

pythoninthegrass

# get root
sudo -s

# format nvme
mkfs.btrfs /dev/nvme0n1

# create partitions
parted /dev/nvme0n1 mklabel gpt
parted /dev/nvme0n1 mkpart primary 1MiB 100GiB
parted /dev/nvme0n1 mkpart primary 100GiB 100%

pythoninthegrass

#!/usr/bin/env bash

set -euo pipefail

# get the root directory
GIT_ROOT="$(git rev-parse --show-toplevel 2>/dev/null)"
SCRIPT_DIR=$(dirname "$(readlink -f "$0")")
if [ -n "$GIT_ROOT" ]; then
	TLD="$GIT_ROOT"
else

pythoninthegrass

# https://github.com/mozilla/sccache/blob/main/docs/DistributedQuickstart.md
# https://fy.blackhats.net.au/blog/2020-11-19-deploying-sccache-on-suse/

# export RUSTC_WRAPPER=sccache
# export SCCACHE_CACHE_SIZE=26843545600
# export CC="sccache /usr/bin/gcc"
# export CXX="sccache /usr/bin/g++"
# export CARGO_INCREMENTAL=0

# Stop server to change config

pythoninthegrass

// Zed settings
//
// For information on how to configure Zed, see the Zed
// documentation: https://zed.dev/docs/configuring-zed
//
// To see all of Zed's default settings without changing your
// custom settings, run the `open default settings` command
// from the command palette or from `Zed` application menu.
{
  "base_keymap": "Atom",

pythoninthegrass

#!/usr/bin/env bash

# shellcheck disable=SC2162

# certbot location
UNAME=$(uname -s)
if [ "$UNAME" = "Darwin" ]; then
	BREW_PREFIX=$(brew --prefix)
	PATH="$BREW_PREFIX/bin:/usr/local/bin:$PATH"
elif [ "$UNAME" = "Linux" ]; then

pythoninthegrass

#!/usr/bin/env python

import argparse
import sys

argparser = argparse.ArgumentParser()
argparser.add_argument('-f', '--file', help='File to read real times from')


# TODO: fix negative slowdown percentage: '0m32.572s' / '0m52.889s'