griznog’s gists

griznog / .vimrc

Created April 28, 2025 16:11

vimrc

	if v:lang =~ "utf8$" \|\| v:lang =~ "UTF-8$"
	set fileencodings=ucs-bom,utf-8,latin1
	endif

	set nocompatible " Use Vim defaults (much better!)
	set bs=indent,eol,start " allow backspacing over everything in insert mode
	"set ai " always set autoindenting on
	"set backup " keep a backup file
	set viminfo='20,\"50 " read/write a .viminfo file, don't store more
	" than 50 lines of registers

griznog / warewulf.conf

Created March 24, 2025 20:59

Clustershell Warewulf script

	# Warewulf Profile Bindings
	[wwprof,warewulf-profile]
	map: wwclush-helper --map $GROUP --group-type profile \|\| true
	all: wwclush-helper --all \|\| true
	list: wwclush-helper --list --group-type profile \|\| true
	reverse: wwclush-helper --reverse $NODE --group-type profile\|\| true
	cache_time: 300

	# Warewulf Cluster Bindings
	[wwcluster,warewulf-cluster]

griznog / check-4k-sectors.sh

Created January 16, 2025 12:21

Script to check and optionally set LBA size to 4k on Western Digital drives.

	#!/bin/bash

	# Author: griznog
	# Purpose: Set any 512b sector drives to 4k sectors.
	#
	# Notes:
	# * Targets all drives using multipath.

	# Exit on error convenience function.
	function die(){

griznog / gist:bd4ed4954d62a10ee12b3a84b19da44f

Created September 13, 2024 12:19

4 x WD Data102 JBOD ZFS pool with draid3.

	pool: jbodpool
	state: ONLINE
	config:

	NAME STATE READ WRITE CKSUM
	jbodpool ONLINE 0 0 0
	draid3:8d:102c:3s-0 ONLINE 0 0 0
	pci-0000:41:00.0-sas-exp0x5000ccab05483aff-phy0-lun-0 ONLINE 0 0 0
	pci-0000:41:00.0-sas-exp0x5000ccab05483aff-phy1-lun-0 ONLINE 0 0 0
	pci-0000:41:00.0-sas-exp0x5000ccab05483aff-phy2-lun-0 ONLINE 0 0 0

griznog / log-sizes-per-day.csv

Created August 3, 2024 14:13

Message log sizes per day, small HPC environment (< 100 nodes)

griznog / dnsmasq.conf

Last active April 12, 2024 14:40

DNSMasq conf for warewulf

	###########################################################
	# Logging, uncomment for troubleshooting.
	log-dhcp
	# log-queries
	log-async=100
	# log-debug # Only works with newest dnsmasq.

	# Only use one of these.
	# Log to syslog
	log-facility=DAEMON

griznog / example.txt

Created August 29, 2023 13:52

Example of using nodes.conf without any `struct` involved.

	$ go mod init yamltesting
	$ go mod tidy
	$ go run main.go nodes.conf ifcfg.ww
	# Node: cpu-a-1
	TYPE=Ethernet
	DEVICE=enp161s0f1np1
	NAME=enp161s0f1np1
	BOOTPROTO=static
	DEVTIMEOUT=10
	IPADDR=100.64.2.1

griznog / wwrebuild

Created August 24, 2023 13:48

Wrapper for building all overlays.

	#!/bin/bash

	# Author: griznog
	# Purpose: Build/update overlays for all nodes.

	# Pull in warewulf functions/variables for this node.
	[[ -f /warewulf/etc/functions ]] && source /warewulf/etc/functions \|\| exit 1


	# Collect an MD5SUM for an entire directory, hopefully in a repeatable way.

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