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Pandu E POLUAN pepoluan

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My main profession is Systems Administration + IT Management. However, I moonlight as a Python programmer. PGP Keys: (1) 535A7B4A (2) BA09AC99

pepoluan / ShowListeners.sh

Created January 19, 2026 03:26

Show Listener Processes with Detailed Arguments, using `ss` instead of `netstat`

	#!/bin/bash

	# © 2026, Pandu POLUAN
	# SPDX-License-Identifier: MPL-2.0

	# This Source Code Form is subject to the terms of the Mozilla Public
	# License, v. 2.0. If a copy of the MPL was not distributed with this
	# file, You can obtain one at https://mozilla.org/MPL/2.0/.

	function show_listeners() {

pepoluan / ShowListeners.sh

Created January 15, 2026 12:32

Show Listener Processes with Detailed Arguments

	#!/usr/bin/env bash

	# © 2026, Pandu POLUAN
	# SPDX-License-Identifier: MPL-2.0

	# This Source Code Form is subject to the terms of the Mozilla Public
	# License, v. 2.0. If a copy of the MPL was not distributed with this
	# file, You can obtain one at https://mozilla.org/MPL/2.0/.

	function show_listeners() {

pepoluan / elapsed_ms.zsh

Created December 6, 2025 06:26

Track elapsed time in milliseconds on ZSH

	# This code snippet is dedicated to the Public Domain, or licensed under CC0 if you prefer.

	printf -v _start '%.0f' $(( EPOCHREALTIME * 1000 ))
	::
	::: COMMANDS TO MEASURE HERE :::
	::
	printf -v _end '%.0f' $(( EPOCHREALTIME * 1000 ))

	_elapsed=$(( _end - _start ))

pepoluan / backup-daily-windows-lockscreen-wallpaper.sh

Created September 2, 2025 13:06

Backup Daily Windows Lockscreen Wallpaper (for Cygwin)

	#!/usr/bin/env bash
	# Requires: Cygwin
	#
	# SPDX-License-Identifier: MPL-2.0
	#
	# This Source Code Form is subject to the terms of the Mozilla Public
	# License, v. 2.0. If a copy of the MPL was not distributed with this
	# file, You can obtain one at https://mozilla.org/MPL/2.0/.
	#
	# (C) 2025, Pandu POLUAN

pepoluan / dump_mods_md.py

Last active September 1, 2025 16:15

Dump a list of Factorio mods in Markdown format

	#!/usr/bin/env python3
	# /// script
	# requires-python = ">=3.12"
	# ///

	# SPDX-License-Identifier: MPL-2.0

	# This Source Code Form is subject to the terms of the Mozilla Public
	# License, v. 2.0. If a copy of the MPL was not distributed with this
	# file, You can obtain one at https://mozilla.org/MPL/2.0/.

pepoluan / fp_not_exist.py

Created March 24, 2025 05:15

Create a filename that does not exist

	import random
	import string

	fromt pathlib import Path


	def file_that_does_not_exist() -> Path:

	def _randname() -> str:
	return "".join(

pepoluan / colored_bash_prompt_one_liners.sh

Last active March 5, 2025 04:05

Simple Colorized Bash Prompt One-Liners

	# NO NEED to make a script
	# Just choose any one variant, and copy that one line
	# Then paste in a new session

	#1 Green hostname, bold white command
	export PS1="\n"'\[\033[0m\][\u@\[\033[1;32m\]\h\[\033[0m\] \W]\$ \[\033[1m\]'; export PS0='\[\033[0m\]'

	#2 Green hostname, bold cyan command
	export PS1="\n"'\[\033[0m\][\u@\[\033[1;32m\]\h\[\033[0m\] \W]\$ \[\033[1;96m\]'; export PS0='\[\033[0m\]'

pepoluan / RegexLookup.vb

Last active September 13, 2024 08:11

RegexLookup function for Excel

	' This is supposed to be a VBA (VB for applications) module, but GitHub does not have a syntax-highlighter for .vba files
	'
	' SPDX-License-Identifier: MPL-2.0
	'
	' This Source Code Form is subject to the terms of the Mozilla Public
	' License, v. 2.0. If a copy of the MPL was not distributed with this
	' file, You can obtain one at https://mozilla.org/MPL/2.0/.

	' REQUIREMENTS:
	' - You MUST add a reference to "Microsoft VBScript Regular Expressions 5.5" (or any compatible versions)

pepoluan / pwgen.py

Last active October 9, 2024 10:35

pwgen utility -- in Python

	#!/usr/bin/env python3
	# SPDX-License-Identifier: MPL-2.0
	# This Source Code Form is subject to the terms of the Mozilla Public
	# License, v. 2.0. If a copy of the MPL was not distributed with this
	# file, You can obtain one at https://mozilla.org/MPL/2.0/.
	from __future__ import annotations

	import argparse
	import random
	import secrets

pepoluan / sponge.py

Last active October 9, 2024 10:35

sponge utility -- in Python

	#!/usr/bin/env python3
	# SPDX-License-Identifier: MPL-2.0
	# This Source Code Form is subject to the terms of the Mozilla Public
	# License, v. 2.0. If a copy of the MPL was not distributed with this
	# file, You can obtain one at https://mozilla.org/MPL/2.0/.
	from __future__ import annotations

	import argparse
	import sys
	import tempfile