ambakshi’s gists

ambakshi / secure-aes-gen.sh

Created December 31, 2021 07:59

	#!/bin/bash
	#
	# Create a variable `$key` for use in powershell as a AES encyrption key
	# constant with (ConvertFrom-SecureString)[https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.security/convertfrom-securestring?view=powershell-7.2)]
	#
	# param: $1 secret key (optional, default: secret)
	# param: $2 cipher (optional, default: aes-256-cbc)
	# output: An byte array (in decimals), the size of the encryption key (AES256 = 32 bytes)

	genkey() {

ambakshi / parse-opts.sh

Last active January 10, 2021 10:31

parse-opts.sh

	#!/usr/bin/env bash
	#
	# MIT Licensensed
	# Amit Bakshi Jan 2021

	# Generic option parser.
	# Usage:
	# parse_opts --valid-args 'foo bar link' -- --with-foo=yes --bar=fizz --no-link
	#
	# Yields:

ambakshi / ssh-keygen.service

Last active August 6, 2020 00:52 — forked from TimJDFletcher/ssh-keygen.service

Systemd unit to generate missing ssh keys on boot

	[Unit]
	Description=Generate sshd keys
	Before=ssh.service
	ConditionPathExists=!/etc/ssh/ssh_host_rsa_key

	[Service]
	Type=oneshot
	ExecStart=/usr/bin/ssh-keygen -A
	RemainAfterExit=true
	StandardOutput=journal

ambakshi / gcccpuopt.sh

Last active April 28, 2023 07:18

Determine set of best gcc optimization flags for the current host.

	#!/bin/sh

	# Print the gcc cpu specific options tailored for the current CPU

	# Author:
	# http://www.pixelbeat.org/
	# Notes:
	# This script currently supports Linux,FreeBSD,Cygwin
	# This script is x86 (32 bit) specific
	# It should work on any gcc >= 2.95 at least

ambakshi / osx-fix-home-and-end-keys.sh

Created February 20, 2018 13:51

Fixes the osx home/end keys so they work the way they do on Linux/Windows.

	#!/bin/sh

	mkdir -p ~/Library/KeyBindings
	cd ~/Library/KeyBindings
	if test -e DefaultKeyBinding.dict; then
	echo >&2 "WARNING: Skipping customizing key bindings. $(pwd)/DefaultKeyBinding.dict already exists"
	exit 0
	fi
	cat > DefaultKeyBinding.dict <<'EOF'
	{

ambakshi / storeid_rpmdeb.go

Last active May 9, 2018 14:16

Simple store_id_program for squid. Build it, put it into /usr/lib64/squid/, and add "store_id_program /usr/lib64/squid/storeid_rpmdeb" to your squid.conf

	package main

	import (
	"bufio"
	"fmt"
	"os"
	"regexp"
	"strings"
	)

ambakshi / letsencrypt.sh

Last active May 15, 2017 21:39

Obtain LE certs for multiple SANs

	#!/bin/bash
	#
	# Get LetsEncrypt SSL certs
	#
	# Usage:
	# letsencrypt.sh host1.domain.com host2.domain.com ...
	#
	# You must have your git config user.email set correctly
	#
	# The way this script works is that you register a wildcard DNS

ambakshi / g++-5.sh

Created April 1, 2016 11:57

Install g++ 5.x on Ubuntu Trusty (14.04)

	#!/bin/bash
	apt-get update
	DEBIAN_FRONTEND=noninteractive apt-get install -y software-properties-common
	add-apt-repository ppa:ubuntu-toolchain-r/test
	apt-get update
	DEBIAN_FRONTEND=noninteractive apt-get install -y g++-5 gcc-5

ambakshi / xcabakshimbp.pub

Created April 1, 2016 05:30

[email protected]

ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDeFQ/NE6ZgqhUaj+lyc5jbEJkkwWjDxSddXOhFDs5e4Mni06m+vrI4rNoZ4mdP3l2p2rECBgPjE59SYbswUlzJWKhdBWLK0BH+rKn5fXjH/2VbE4YrVJaHONjhsLqLNKfvD7C5CC6T7hcwafwNwDjVblmXr/VydIhETnLnwnRZTXA0fTvd/W15gwpMQ+XY/cpTLaAH00oX26nfZRJCdKcVnPIa+OwBD3t2R3tzGdsevvprVCg80Tmyy6LYqLF4dLZVYz/o8G1QNgyjmvhIxyEYFQscT9LL70qfKz/UAUQTdiYr8Z73OXAzDXqNN46PvHSm35W3kQzizsd4KQWEom8J [email protected]

ambakshi / debian-jdk8-install.sh

Last active May 27, 2016 18:01

Install Oracle JDK 8 on a Debian based system.

	#!/bin/bash
	export DEBIAN_FRONTEND=noninteractive

	apt-get update && apt-get install -yq software-properties-common apt-utils
	add-apt-repository ppa:webupd8team/java -y && apt-get update && \
	echo debconf shared/accepted-oracle-license-v1-1 select true \| debconf-set-selections && \
	echo debconf shared/accepted-oracle-license-v1-1 seen true \| debconf-set-selections && \
	apt-key adv --keyserver keyserver.ubuntu.com --recv-keys C2518248EEA14886 && \
	apt-get install -y --no-install-recommends oracle-java8-installer

Amit Bakshi ambakshi