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benok / archive-vm.zsh

Last active January 24, 2020 12:21

Create virtual machine(sparse file) tar.zst archive with progress output and create md5 file

	# Usage: chdir to parent directory & set target directory name to D
	# (zsh pipe related -> https://stackoverflow.com/a/4995875/26736)
	# (md5 creation -> https://serverfault.com/a/120597/70666)
	# TODO: convert this one liner to function or shell script with options
	tar cvSf - $D 2> >(xargs -I '{}' sh -c "test -f '{}' && md5sum '{}'" \|tee $D.md5) \| pv -pteb -s $(du -sB1 $D \|awk '{print$1}') \| nice -10 zstd -15 --sparse -T0 \| tee ./$D.tar.zst \| md5sum \| sed "s/-/$D.tar.zst/" >> $D.md5

benok / check_caps.sh

Last active May 14, 2019 07:20

check capability (useful checking inside docker container)

	#!/bin/sh

	# how can a docker container check if it has a capability - Stack Overflow
	# https://stackoverflow.com/questions/46702043/how-can-a-docker-container-check-if-it-has-a-capability

	# need to install capsh (libcap2-bin for debian)
	for i in $(capsh --print \| grep "Current:" \| cut -d ' ' -f3 \| sed 's/,/ /g'); do
	echo $i
	done

benok / csv_import.py

Last active April 22, 2019 11:14 — forked from fn-alves/csv_import.py

Import users contained in csv in bulk to samba 4 AD. csv headers: name, lastname, email, password, department, company

	#!/usr/bin/env python

	# https://gist.github.com/benok/c1342272108ec00ee4b78a69733a1a70
	# (just translated https://gist.github.com/moritzheiber/7b08e7c89508054f67f9 in English)

	import csv, sys,os

	try:
	file = open(sys.argv[1], "rt")
	reader = csv.DictReader(file)

benok / blink_disk_led

Last active October 16, 2024 13:33

blink disk drive's led (useful for disk array using LSI Logic HBA to locate failed drive, etc.)

	#!/bin/sh

	# blink disk drive's led (useful for disk array using LSI Logic HBA to locate failed drive, etc.)
	# https://gist.github.com/benok/c117badbfb6af744578d48e2ab1d4d4f
	# (based from https://stackoverflow.com/a/4018229/26736)

	# need blockdev(8) to clear disk cache on access

	usage() {
	echo "${0##*/} [-n] device(sda,sdb,etc.)"

benok / ps_opt_p_enabled_for_alpine.sh

Last active April 9, 2021 22:08

Enable "ps [-p] PID" for /bin/ps from busybox (like Alpine Linux)

	#!/bin/sh
	# enable "ps [-p] PID" for /bin/ps from busybox (like Alpine)
	# copy this script as /usr/local/bin/ps or /usr/bin/ps, and chmod 755 it.

	if [ $# == 1 ]; then
	echo $1 \| grep -q -E '^[0-9]+$' # number only argument
	if [ $? == 0 ]; then
	OPT_P=1
	ARG_P=$1
	fi