mpontillo’s gists

mpontillo / mc-get-latest

Last active March 4, 2020 17:45

bash script to grab the latest Minecraft server jars

	#!/bin/bash -e

	mkdir -p ~/var/lib/mc
	MC_VERSIONS_CACHE="$HOME/var/lib/mc/version_manifest.json"
	RELEASE_JSON="$HOME/var/lib/mc/_release.json"
	SNAPSHOT_JSON="$HOME/var/lib/mc/_snapshot.json"

	curl -sS https://launchermeta.mojang.com/mc/game/version_manifest.json > $MC_VERSIONS_CACHE
	# cat $MC_VERSIONS_CACHE \| jq
	LATEST_SNAPSHOT=$(cat $MC_VERSIONS_CACHE \| jq -r '{latest: .latest.snapshot} \| .[]')

mpontillo / lookup.py

Last active July 4, 2017 02:29

Look up the IP addresses and source interface for each given host.

	#!/usr/bin/env python3

	from collections import OrderedDict
	import socket
	import sys


	def print_route_lookup(host, addrinfo):
	endpoints = set()
	for info in addrinfo:

mpontillo / dnsperf_install.sh

Created May 30, 2017 17:47 — forked from hanshasselberg/dnsperf_install.sh

Install dnsperf on ubuntu

	sudo apt-get install -y bind9utils libbind-dev libkrb5-dev libssl-dev libcap-dev libxml2-dev
	curl ftp://ftp.nominum.com/pub/nominum/dnsperf/2.0.0.0/dnsperf-src-2.0.0.0-1.tar.gz -O
	tar xfvz dnsperf-src-2.0.0.0-1.tar.gz
	cd dnsperf-src-2.0.0.0-1
	./configure
	make
	sudo make install

mpontillo / y2j

Created May 30, 2017 17:42

Python script to input YAML and output "pretty" JSON.

	#!/usr/bin/env python3

	import sys

	import json
	import yaml


	if __name__ == "__main__":
	data = sys.stdin.read()

mpontillo / markdown_doc

Last active May 26, 2017 20:04 — forked from jiffyclub/markdown_doc

This script turns Markdown into HTML using the Python markdown library and wraps the result in a complete HTML document with default Bootstrap styling so that it's immediately printable. Requires the python libraries jinja2, markdown, and mdx_smartypants.

	#!/usr/bin/env python

	import argparse
	import sys

	import jinja2
	import markdown

	# To install dependencies in a virtualenv:
	# $ virtualenv ~/venv-markdown/

mpontillo / get-vlans

Last active May 4, 2017 13:58

Get the list of VLAN interfaces and VIDs

	#!/bin/bash

	sudo cat /proc/net/vlan/config \| tail -n +3 \| sed 's/\W\|\W/ /g' \| sort -n -k 3,2

mpontillo / get-dhcp-servers

Created April 27, 2017 21:16

Gets a list of DHCP servers based on the current running DHCP clients.

	#!/bin/bash

	ps auxwwww \| grep dhclient \| grep -o '\-lf .*' \| awk '{ print $2 }' \
	\| xargs -n 1 grep -o 'dhcp-server-identifier [A-Za-z0-9\.:]*' 2> /dev/null \
	\| sort -u \| awk '{ print $2 }'

mpontillo / test-maas-enlistment.sh

Last active February 2, 2022 08:47

Script to fetch the default TFTP configuration from MAAS and fetch the cloud-config URL.

	#!/bin/bash -e

	TMPDIR="$(mktemp -d)"

	function cleanup() {
	rm -rf "$TMPDIR"
	}

	trap cleanup EXIT

mpontillo / add-port-forwarding

Last active March 30, 2017 16:21

	#!/bin/bash -x

	if ! iptables -t filter -L FORWARD \| grep PORT_FORWARD; then
	iptables -t filter -N PORT_FORWARD
	iptables -t filter -I FORWARD -j PORT_FORWARD
	fi
	if ! iptables -t nat -L PREROUTING \| grep PORT_FORWARD_DNAT; then
	iptables -t nat -N PORT_FORWARD_DNAT
	iptables -t nat -I PREROUTING -j PORT_FORWARD_DNAT
	fi

mpontillo / get_bmc_ips

Created March 28, 2017 01:26

Get all BMC IP addresses and which nodes use them from the MAAS database.

	#!/bin/bash
	cat << EOF \| sudo -u postgres psql -P pager=off maasdb 2> /dev/null
	SELECT
	sip.ip "bmc_ip",
	node.hostname AS "machine_hostname",
	bmc.power_type
	FROM maasserver_bmc bmc
	LEFT OUTER JOIN maasserver_staticipaddress sip
	ON sip.id = bmc.ip_address_id
	LEFT OUTER JOIN maasserver_node node

Mike Pontillo mpontillo