kowalcj0’s gists

kowalcj0 / .asoundrc

Created June 30, 2017 10:29

Fiio E17 Alsa config file 24bit 94kHz ~/.asoundrc

	# to get the name of the card do:
	# cat /proc/asound/cards
	# ...
	# 2 [DACE17 ]: USB-Audio - FiiO USB DAC-E17
	# FiiO FiiO USB DAC-E17 at usb-0000:00:14.0-1.4, full speed
	# or
	# aplay -l
	# ...
	# card 2: DACE17 [FiiO USB DAC-E17], device 0: USB Audio [USB Audio]
	# Subdevices: 1/1

kowalcj0 / install_MKVToolNix_and_handbrake.sh

Created July 2, 2017 16:08

Run HandBrake & MKVToolNix on a headless FreeBSD jail (FreeNas)

	# 1 - Create a jail called `convert` using `pluginjail-10.3` template

	# 2 - list all jails
	jls
	JID IP Address Hostname Path
	1 - convert /mnt/volume/jails/convert

	# 3 - connect to our jail
	jexec 1 sh

kowalcj0 / sync.sh

Last active March 26, 2018 12:07

notes from installing syncthing in freebsd 10.3 jail

	# 1 - create syncthing jail
	# 2 - add storage

	# install bash and syncthing
	pkg install bash
	pkg install syncthing


	# add syncthing user
	```

kowalcj0 / avgresponsetime.sh

Created October 20, 2017 22:26

simple script to check avg response times from a list of hosts stored in a file (ips)

sudo sh -c 'while read -r line; do echo "$line"; ping -f -q -4 -c 50 "$line" | grep rtt | cut -d"/" -f2,5; done <ips'

kowalcj0 / SeleniumBrowserEnumWithHelpers.py

Created December 7, 2017 12:36

handy python enum for various browsers with some helpers that allow to toggle some hidden features

	from enum import Enum

	from selenium.webdriver import ChromeOptions, FirefoxProfile


	class Browser(Enum):
	CHROME = "chrome"
	FIREFOX = "firefox"
	IE = "ie"
	PHANTOMJS = "phantomjs"

kowalcj0 / get_docker_repo_tags.sh

Created February 28, 2018 10:27

list all the available image tags for a docker hub repo

wget -q https://registry.hub.docker.com/v1/repositories/circleci/python/tags -O -  | sed -e 's/[][]//g' -e 's/"//g' -e 's/ //g' | tr '}' '\n'  | awk -F: '{print $3}'

kowalcj0 / urls-checker.py

Created March 27, 2018 11:03

Modified version of fetch function with semaphore created by: Paweł Miech https://pawelmhm.github.io/asyncio/python/aiohttp/2016/04/22/asyncio-aiohttp.html

	#!/usr/bin/env python3
	# -- coding: utf-8 --
	"""Modified version of fetch function with semaphore created by: Paweł Miech
	src: https://pawelmhm.github.io/asyncio/python/aiohttp/2016/04/22/asyncio-aiohttp.html
	"""
	import argparse
	import asyncio
	import sys
	from argparse import Namespace
	from asyncio import Semaphore

kowalcj0 / parallel_pa11y.sh

Last active June 12, 2018 17:38

run pa11y accessibility scan in parallel and save report for each URL in html file

	sudo dnf install parallel
	npm install pa11y pa11y-reporter-html
	# the Perl expression {= s:[/\:\?\&\=]:-:g; =} will replace all special charachers '/:?&' in report filename with '-'
	parallel 'pa11y --reporter=html {} > {= s:[/\:\?\&\=]:-:g; =}.html' < urls.txt

kowalcj0 / cheat.sh

Created July 12, 2018 12:09

simple https://cheat.sh/ helper

	function cheat() {
	# ${1} - is the language/dmbs/etc
	# ${*:2} - your query
	# sed 's/ /+/g' - will replace spaces with `+`
	curl https://cheat.sh/${1}/`echo "${*:2}" \| sed 's/ /+/g'`
	}

	# example usage:
	# cheat python recursion
	# cheat python open files

kowalcj0 / .bashrc

Last active August 29, 2024 23:43

Extract all subtitles from a movie using ffprobe & ffmpeg

	alias subs=subs

	function subs() {
	movie="${1}"
	filename="${1%.*}"
	mappings=`ffprobe -loglevel error -select_streams s -show_entries stream=index:stream_tags=language -of csv=p=0 "${movie}"`
	OLDIFS=$IFS
	IFS=,
	( while read idx lang
	do

Janusz Kowalczyk kowalcj0