vdbsh’s gists

vdbsh / wd40.sh

Created October 22, 2025 19:54

Sprays away the Rust coreutils and sudo‑rs from Ubuntu 25.10+, restoring trusty GNU tools

	#!/usr/bin/env bash
	#
	# wd40.sh – “spray away” the Rust coreutils and sudo‑rs from Ubuntu 25.10+, restoring trusty GNU tools
	#
	# --------------------------------------------------------------

	set -euo pipefail

	# ---------- Helper functions ----------
	log() { echo -e "\e[1;34m[INFO]\e[0m $*"; }

vdbsh / hugo-post-template.py

Created August 11, 2024 03:32

Generating hugo posts with Python

	#!/usr/bin/env python3

	from datetime import datetime, timezone
	from platform import system
	from subprocess import call
	from sys import argv
	from os import path

	hugo_posts_dir = '/home/user/blog/content/posts'

vdbsh / hugo-post-vscode-snippet.jsonc

Last active August 11, 2024 02:50

Hugo post template for VSCode

	{
	// Setup your timezone after ${CURRENT_SECOND}, default: "Z" (UTC)

	"Hugo Post": {
	"prefix": ["hugo"],
	"scope": "markdown",
	"body": [
	"+++",
	"date = \"${CURRENT_YEAR}-${CURRENT_MONTH}-${CURRENT_DATE}T${CURRENT_HOUR}:${CURRENT_MINUTE}:${CURRENT_SECOND}Z\"",
	"title = \"$1\"",

vdbsh / shebangarch.sh

Last active May 11, 2024 16:56

This is how you can set architecture of your shellscript runtime by using unconventional shebang, comes in handy for M1+ Macs where you can use both arm64 and x86_64 thru Rosetta 2

	#!/usr/bin/env /usr/bin/arch -arm64 /bin/bash

	# shebangarch.sh: This is how you can set architecture of your shellscript runtime by using unconventional shebang
	# comes in handy for M1+ Macs where you can use both arm64 and x86_64 thru Rosetta 2

	echo "I'm $(arch) 😊"

vdbsh / natpmprfr.sh

Last active August 22, 2024 21:43

Maps network ports thru NAT-PMP and refreshes that mapping automatically

	#!/usr/bin/env bash

	# natpmprfr.sh: Maps network ports thru NAT-PMP and refreshes that mapping automatically
	# (https://en.wikipedia.org/wiki/NAT_Port_Mapping_Protocol)
	#
	# Useful for applications with poor or without NAT-PMP implementation
	# (http://miniupnp.free.fr/libnatpmp.html)
	#
	# Can set UFW rules according to mapped/unmapped local ports
	# (https://help.ubuntu.com/community/UFW)

vdbsh / microsync.sh

Last active January 28, 2023 00:39

Syncing two directories by creating symlinks at destination

	#!/usr/bin/env bash

	# microsync.sh: Syncing two directories by creating symlinks at destination.

	source="/Users/user/source"
	destination="/Users/user/destination"

	# Delete broken symlinks and empty directories if any
	find "$destination" -type l ! -exec test -e {} \; -exec rm {} \;
	find "$destination" -type d -empty -delete

vdbsh / afterdark.sh

Last active December 5, 2025 06:58

Old-school screensaver functionality for GNOME/Wayland desktops

	#!/usr/bin/env bash

	# afterdark.sh: Old-school screensaver functionality for GNOME/Wayland desktops
	# This script will run arbitrary command after specified time period, if there is no inhibiting applications detected
	# Started process will be terminated at the first sight of user activity
	# You supposed to launch something like full-screen video or cmatrix :)

	start_after=15 # minutes
	cmd="mpv /home/test/Videos/after_dark.mp4 --fs --loop --no-osc"
	lock_screen=false

vdbsh / rpzgen.py

Last active July 9, 2022 02:18

HOSTS to RPZ rules converter for DNS firewalls (like in BIND 9)

	#!/usr/bin/env python3

	from urllib import request

	rpz_file = 'rpz-filter.db'
	hosts_file_url = 'https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts'

	comment_char = '#'
	local = ('127.0.0.1', '255.255.255.255', '::1', 'f')
	default_route = '0.0.0.0'

vdbsh / echolambda.py

Last active June 28, 2022 20:53

Checking host availability with Python's Low-level networking interface and AWS Lambda

	from socket import socket, AF_INET, SOCK_STREAM

	addresses = [
	{'example.com': 80},
	{'example.com': 443},
	{'host-1234567890-notexist.example.com': 1234}]

	def echo(addresses: list):
	results = {}

vdbsh / riprunner.bat

Last active October 27, 2024 11:58

This script will launch your executable and terminate it after its window will be closed. Useful for hunting down zombie processes.

	@ECHO off
	ECHO ++++++++++++++++++++
	ECHO + riprunner 1.0 +
	ECHO ++++++++++++++++++++
	rem This script will launch your executable and terminate it after its window will be closed.
	rem Useful for hunting down zombie processes.
	rem
	rem (i) Possible start priorities: LOW, NORMAL, HIGH, REALTIME, ABOVENORMAL, BELOWNORMAL.
	rem (i) Timeout between checks are set in seconds.