pythoninthegrass

microk8s & fluxcd

(optional) prepare the server

# install at https://multipass.run/
multipass launch --name microk8s-flux --mem 2G
multipass shell microk8s-flux

# assume ubuntu with snap installed, if not install it via
apt install snapd

pythoninthegrass

ghcr (GitHub Container Registry) quickstart

CLI

To push container images to ghcr, you need peronal access token (PAT) - see how to create PAT

1. Get PAT (personal access token)

Personal Settings > Developer settings > Personal access tokens

pythoninthegrass

# code: language=ansible

---
- hosts: localhost
  connection: local
  gather_facts: true
  any_errors_fatal: true
  vars:
    base_dir: "{{ home_dir }}/git/nerd-fonts"
    repo_url: https://github.com/ryanoasis/nerd-fonts.git

pythoninthegrass

#!/usr/bin/env bash

# run this on the remote terminal machine, as auser with sudo powers, probably through a remote ssh shell

# this will overwrite all the settings it touches

# the name of the user to run these commands as
TARGET_USER=jane

# we need an inlocked desktop session. we can either start a new autologin one or unlock an existing one

pythoninthegrass

#!/usr/bin/env bash

# To see current swap usage
sysctl -a | grep swap

# Monitor swap usage
vm_stat 60

# Use only when when your system is in a very bad shape
sudo pkill -HUP -u _windowserver

pythoninthegrass

; Diablo II LoD
;
; Instructions:
;
;   1) Start the game in windowed mode (eg. "-sndbkg -skiptobnet -w" options in shortcut).
;
;   2) Press Ctrl Alt f , Ctrl Alt h to set game to 1600x1200 centered on the desktop.
;
;
;   Ctrl Alt f     Toggle active window title bar.

pythoninthegrass

Loading variables from .env files in Ansible

Ansible has various ways of looking up data from outside sources, including plain text password files, CSV files and INI files. But it doesn't seem to have a lookup for .env files, as used in Laravel projects, also available for PHP, Ruby, Node.js, Python and others.

One option is to launch Ansible with the Ruby dotenv command line script... But that requires Ruby, which seems like overkill to me.

So here is a simpler solution that I use. It consists of:

1. The .env file itself
2. A small shell script that loads the .env file into environment variables - ansible-playbook.sh

pythoninthegrass

multipass + qemu on macOS

Multipass can launch and run virtual machines and configure them with cloud-init like a public cloud

Usage

brew install multipass libvirt
brew services start libvirt
multipass set local.passphrase=<foo>    # `multipass set local.passphrase` avoids stdout creds
multipass authenticate
multipass get local.driver

pythoninthegrass

OpenSSL 🔐

Install

Install the OpenSSL on Debian based systems

sudo apt-get install openssl

pythoninthegrass

#!/usr/bin/env python3

"""
NOTE:
Extended into a full repo at https://github.com/pythoninthegrass/convert_html_md
Any future work will be posted there.

SOURCES:
https://gist.github.com/aolle/6e595650391deef79ffb1c9bb38fb6e9
https://dev.to/kcdchennai/python-decorator-to-measure-execution-time-54hk