tlhakhan’s gists

tlhakhan / deploy_vm.sh

Last active March 16, 2022 23:09

Deploy ESXi virtual machines

	#!/bin/sh

	# DESCRIPTION:
	# this script will create a virtual machine on an ESXi 6+ hypervisor.
	# it will create a small vm to specification from the vmx template config.
	# it will create a small thin provisioned disk with 8G as OS drive.
	# it will mount an ISO image and have the cdrom ready for install.
	#
	# pre-reqs: this script needs to be in the root-path of the vmfs datastore where you want to deploy vms.
	# pre-reqs: this script needs to have the cwd changed to basedir of this script.

tlhakhan / ansible-rpm-build.sh

Last active December 3, 2019 19:53

Ansible - Building RPM

	#!/bin/bash

	#
	# let's make an ansible rpm for offline deployment
	#

	yum makecache
	yum -y update

	# rpm build deps

tlhakhan / my-rpms.sh

Last active April 1, 2017 20:47

Offline software repo

	#!/bin/bash

	#
	# let's make an offline repo of mfu software
	#

	# deps
	yum install -y yum-utils-1.1.31-40.el7.noarch

	#

tlhakhan / centos.pac

Last active July 14, 2018 18:31

centos: good packlist

	# goodies
	lsof
	tree

	# info tools
	net-tools # provides ifconfig, netstat
	bind-utils # provides host

	# performance tools
	sysstat

tlhakhan / gist:c980c3c526d23190bed353110772f906

Created January 13, 2018 16:45

godoc web service on CentOS

	yum install -y epel; yum makecache
	yum install -y golang-godoc golang-docs

	cat < 'eof' > /etc/systemd/system/godoc.service
	[Unit]
	Description = golang godoc web server

	[Service]
	ExecStart=/usr/bin/godoc -http :8080
	Restart=always

tlhakhan / .tenzin.tmux.conf

Last active July 21, 2020 16:31

	# Reload the file with Prefix r.
	bind r source-file ~/.tmux.conf \; display "Reloaded!"

	set -g mouse off
	set -g default-terminal "screen-256color"

	# bar style
	set -g status-style fg=white,bold,bg=black
	setw -g window-status-style fg=cyan,bg=black
	setw -g window-status-current-style fg=white,bold,bg=red

tlhakhan / remapCapsLockToEsc.reg

Created July 23, 2019 12:04

remap caps lock to escape for windows

	Windows Registry Editor Version 5.00

	[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layout]
	"Scancode Map"=hex:00,00,00,00,00,00,00,00,03,00,00,00,3a,00,46,00,01,00,3a,00,00,00,00,00

tlhakhan / user-data.yml

Last active October 30, 2024 21:45

Ubuntu 20.04 example autoinstall user-data file

	#cloud-config
	autoinstall:
	version: 1

	early-commands:
	- systemctl stop ssh # otherwise packer tries to connect and exceed max attempts
	- hostnamectl set-hostname ubuntu-00 # update hostname even for the installer environment
	- dhclient # re-register the updated hostname

	network:

tlhakhan / ubuntu2004.ipxe

Last active December 21, 2023 15:50

iPXE script for deploying Ubuntu 20.04 autoinstall nocloud-net method

	#!ipxe
	# ubuntu focal 20.04

	# $seedfrom used to find the user-data and meta-data files by nocloud-net provider for cloud-init.
	# the trailing slash is important, the cloud-init sticks 'meta-data' or 'user-data' right after it, without prepending a forward slash.
	set seedfrom http://repo/files/ubuntu2004/

	# $base url is where the vmlinuz and initrd live.
	# they were fished out from the live-server iso file. the iso file is also in this directory.
	set base http://repo/files/ubuntu2004

tlhakhan / build_empty_iso.sh

Created May 5, 2020 21:02

Build an empty iso file

	#!/bin/bash
	IMAGE=empty.iso
	BUILD=/dev/null
	mkisofs -r -V "Empty ISO" -J -l -o $IMAGE $BUILD

Tenzin Lhakhang tlhakhan