Vitaly Rybnikov Frodox

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Site Reliability Engineer

Frodox / clean-whiteboard.sh

Created April 6, 2014 11:12 — forked from demofly/clean-whiteboard.sh

	#!/bin/bash
	convert $1 -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 $2

	#!/bin/bash
	convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"

	#!/bin/bash
	convert in.jpg $ +clone -blur 0x20 $ -compose Divide_Src -composite -normalize -level 10%,90% -deskew 40% -unsharp 0x5+2+0 out.jpg

Frodox / adamburton-index-template-test.html

Last active August 29, 2015 14:00

	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8" />
	<title>{% if meta.title %}{{ meta.title }} \| {% endif %}{{ site_title }}</title>
	</head>
	<body>
	<h1><a href="{{ base_url }}">{{ site_title }}</a></h1>

Frodox / convert-all-mp3-to-ogg.sh

Created May 14, 2014 20:38

Convert all mp3 to ogg

	#!/bin/sh

	# bitrate is "optimal" for every song
	find -name '*.mp3' -print0 \| xargs -0 -l -P 4 sh -c 'ffmpeg -v quiet -i "$0" -vn "${0%mp3}ogg"'

Frodox / video-snippet.sh

Last active February 18, 2020 20:29

Usefull snippets to work with video under Linux

	# cut video
	## mencoder (bad way)
	## http://www.misterhowto.com/?category=Computers&subcategory=Video&article=trim_or_split_with_mencoder
	mencoder -endpos 00:01:32 -ovc copy -oac copy MVI_0587.MOV -o cutted2.mov

	## ffmpeg (cut better)
	## from 00:00 to 00:01:32 to separete file
	ffmpeg -i MVI_0587.MOV -c:v -acodec copy -ss 00:00:00 -t 00:01:32 cutted.mov

	# concatenate (ok)

Frodox / infinite-loops.sh

Last active August 29, 2015 14:01

Funny bash loops

Frodox / how-to-count-code-lines.txt

Last active August 29, 2015 14:01

some cnippets, except stared snippets, how to count code lines in folder (project)

Frodox / download-java1.8.5.sh

Created July 16, 2014 21:01

download java binary

	#!/bin/sh

	wget --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u5-b13/jdk-8u5-linux-x64.tar.gz

Frodox / detect-endianes.sh

Created November 3, 2014 14:52

Detect, if you have BE/LE system from shell

	#!/bin/bash
	# little endian - forward byte order
	# big endian - reverse byte order

	echo "You have 32 bit system (1), 64bit (0)"

	echo -n I \| od -to2 \| head -n1 \| cut -f2 -d" " \| cut -c6


	# cc: http://serverfault.com/questions/163487/linux-how-to-tell-if-system-is-big-endian-or-little-endian

Frodox / pdf2img.sh

Created November 13, 2014 06:39

convert pdf to multiple images

	#!/bin/bash

	# allow to convert multipage pdfs
	convert -verbose -density 200 -trim schedule_rus_fin.pdf -quality 90 zeronight%d.jpg

Frodox / pdfoptimize.sh

Last active August 29, 2015 14:10 — forked from scriptum/pdfoptimize.sh

	for f in "$@"
	do
	TMP=$(mktemp)
	SIZE_OLD=$(wc -c < "$f")
	echo "Optimizing '$f' of size $SIZE_OLD"
	/usr/bin/gs \
	-sDEVICE=pdfwrite \
	-dCompatibilityLevel=1.4 \
	-dPDFSETTINGS=/ebook \
	-dNOPAUSE \