markhann’s gists

michalsieron / zig-hash.sh

Created April 24, 2024 18:35

Get multihash that zig calculates when fetching dependencies

	#!/usr/bin/env sh

	# Usage: zig-hash <path to build.zig.zon>
	BUILD_ZIG_ZON="${1:-build.zig.zon}"
	ROOT_DIR="$(dirname "$BUILD_ZIG_ZON")"

	# Get hash of a file, which is computed from:
	# - its normalized filepath
	# - followed by two null bytes (apparently temporary solution in Zig, only for normal files)
	# - followed by actual file content

Karreg / docker-cleanup.sh

Last active October 28, 2020 07:08

Script to cleanup Docker leftovers, related to https://github.com/moby/moby/issues/22207

	#!/bin/bash

	echo "WARN: This will remove everything from docker: volumes, containers and images. Will you dare? [y/N] "
	read choice

	if [ $ "$choice" == "y" $ -o $ "$choice" == "Y" $ ]
	then
	sudo echo "> sudo rights [OK]"
	sizea=`sudo du -sh /var/lib/docker/aufs`

ypandit / Xvfb.service

Last active September 8, 2023 13:13

Xvfb as a systemd service

	[Unit]
	Description=X Virtual Frame Buffer Service
	After=network.target

	[Service]
	ExecStart=/usr/bin/Xvfb :99 -screen 0 1024x768x24

	[Install]
	WantedBy=multi-user.target

roblayton / Vagrantfile

Created June 27, 2015 22:46

A Vagrant multi-machine cluster using a loop

	# -- mode: ruby --
	# vi: set ft=ruby :

	VAGRANTFILE_API_VERSION = "2"

	cluster = {
	"master" => { :ip => "192.168.33.10", :cpus => 1, :mem => 1024 },
	"slave" => { :ip => "192.168.33.11", :cpus => 1, :mem => 1024 }
	}

zakird / get-root-cas.ps1

Created August 23, 2014 02:05

powershell script that exports trusted root certificate authorities on Windows machine

	$type = [System.Security.Cryptography.X509Certificates.X509ContentType]::Cert

	get-childitem -path cert:\LocalMachine\AuthRoot \| ForEach-Object {
	$hash = $_.GetCertHashString()
	[System.IO.File]::WriteAllBytes("$hash.der", $_.export($type) )
	}

parshap / install-vbox-guest-additions.sh

Created July 31, 2014 19:35

Install VirtualBox Guest Additions on a headless server

	wget http://download.virtualbox.org/virtualbox/4.3.12/VBoxGuestAdditions_4.3.12.iso
	sudo mkdir /media/iso
	sudo mount -o loop ./VBoxGuestAdditions_4.3.12.iso /media/iso
	sudo bash /media/iso/VBoxLinuxAdditions.run --nox11
	sudo umount /media/iso

tommybutler / vmware-autostarts

Last active October 26, 2024 06:25

This LSB-compliant Linux boot init script lets you auto-start VMware virtual machines on a Linux host machine running VMware Workstation. Tested successfully on Debian 7 and assumed safe for any Ubuntu or Ubuntu-based distro as well. May need some minor tweaks before you can use it on CentOS or RHEL.To use this script, follow installation instru…

	#!/usr/bin/env bash

	### BEGIN INIT INFO
	# Provides: vmwareautostart
	# Required-Start: $vmware $network $syslog
	# Required-Stop: $vmware $network $syslog
	# X-Start-Before:
	# X-Stop-After:
	# Default-Start: 2 3 4 5
	# Default-Stop: 0 1 6

leifg / Vagrantfile

Last active December 5, 2025 09:30

Add a second disk to system using vagrant

	file_to_disk = './tmp/large_disk.vdi'

	Vagrant::Config.run do \|config\|
	config.vm.box = 'base'

	config.vm.customize ['createhd', '--filename', file_to_disk, '--size', 500 * 1024]
	config.vm.customize ['storageattach', :id, '--storagectl', 'SATA Controller', '--port', 1, '--device', 0, '--type', 'hdd', '--medium', file_to_disk]
	end

kylefox / gist:4512777

Created January 11, 2013 18:15

If you want to use Xcode's FileMerge as your git mergetool, this is how you set it up.

	# Tell system when Xcode utilities live:
	sudo xcode-select -switch /Applications/Xcode.app/Contents/Developer

	# Set "opendiff" as the default mergetool globally:
	git config --global merge.tool opendiff

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