Naoya Nakazawa n0ts

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Working from home

n0ts / benchmark-dalli.rb

Created February 14, 2011 17:17

n0ts / gist:827153

Created February 15, 2011 06:03

benchmark-memcache

	require 'rubygems'
	require 'benchmark'

	gem 'memcache', '=1.2.13'
	require 'memcache'

	TEST_DATA_NUM = 100
	$memcached = Memcache.new(:server => '127.0.0.1:11211')

	# ベンチマークを計測する

n0ts / rename_db_migrate-utc.rb

Created February 15, 2011 17:00

n0ts / rsync.exclude

Created February 22, 2011 08:39

cobbler /etc/cobbler/rsync.exclude configuration

	### files to exclude from "cobbler import" commands that use
	### rsync mirrors. by default ISOs, PPC code, and debug
	### RPM's are not transferred. Some users may want to
	### re-enable debug RPM's.
	/debug/
	/alpha/
	/source/
	/SRPMS/
	*/.iso
	/kde-i18n

n0ts / set_schema_migrations.rb

Created March 17, 2011 08:16

insert db migration version to schema_migrations table

	require 'optparse'

	ENV['RAILS_ENV'] = ENV['RAILS_ENV'] \|\| 'development'
	require File.expand_path(File.dirname(__FILE__) + "/../config/environment")


	opts = {}
	ARGV.options {\|opt\|
	opt.on('-s', '--save', 'save') {\|v\| opts[:save] = v }
	opt.parse!

n0ts / gist:1010407

Created June 6, 2011 14:59

Install auto vm /etc/rc.local for Xen Dom0

We couldn’t find that file to show.

n0ts / xendoamins-init

Created June 6, 2011 15:04

Patch for Xen 4.1.0 /etc/init.d/xendomains

	184,185c184
	< NM=$($CMD create --quiet --dryrun --defconfig "$1" \|
	< sed -n 's/^.(name $.$)$/\1/p')
	---
	> NM=$(cat "$1" \| sed -n 's/^.<name>$.$<\/name>$/\1/p')
	286c285
	< shortdom=$(echo $dom \| sed -n 's/^.\/$.$$/\1/p')
	---
	> shortdom=$(echo $dom \| sed -n 's/^.\/$.$\.xml$/\1/p')
	291c290

n0ts / xendomains-sysconfig

Created June 6, 2011 15:54

Patch for Xen 4.1.0 /etc/sysconfig/xendomains

	56c56
	< XENDOMAINS_SAVE=/var/lib/xen/save
	---
	> XENDOMAINS_SAVE="
	89c89
	< XENDOMAINS_RESTORE=true
	---
	> XENDOMAINS_RESTORE=false

n0ts / ksm.y

Created June 26, 2011 03:06

stand-alone bash version of vdsm's ksm.py

	#!/bin/sh
	# stand-alone bash version of vdsm's ksm.py
	# monitor system memory load and tune ksm accordingly
	#
	# needs testing and ironing. contact [email protected] if something breaks.
	DEBUG=1
	KSMCTL="ksmctl"

	KSM_MONITOR_INTERVAL=${KSM_MONITOR_INTERVAL:-60}
	KSM_NPAGES_BOOST=${KSM_NPAGES_BOOST:-300}

n0ts / create_bridge.sh

Created June 26, 2011 04:01

create brdige from ethX to brX

	for iface in /etc/sysconfig/network-scripts/ifcfg-eth*; do
	iface_name=`egrep "^DEVICE=" $iface`
	iface_no=${iface_name##DEVICE=eth}
	iface_br=ifcfg-br${iface_no}
	cp $iface $iface_br
	sed -i -e "s/^DEVICE=eth${iface_no}/DEVICE=br${iface_no}/g" $iface_br
	sed -i -e 's/^HWADDR=/#HWADDR=/g' $iface_br
	echo "TYPE=Bridge" >> $iface_br

	sed -i -e "s/^BOOTPROTO=/#BOOTPROTO=/g" $iface

	### files to exclude from "cobbler import" commands that use
	### rsync mirrors. by default ISOs, PPC code, and debug
	### RPM's are not transferred. Some users may want to
	### re-enable debug RPM's.
	/debug/
	/alpha/
	/source/
	/SRPMS/
	*/.iso
	/kde-i18n

	184,185c184
	< NM=$($CMD create --quiet --dryrun --defconfig "$1" \|
	< sed -n 's/^.(name \(.\))$/\1/p')
	---
	> NM=$(cat "$1" \| sed -n 's/^.<name>\(.\)<\/name>$/\1/p')
	286c285
	< shortdom=$(echo $dom \| sed -n 's/^.\/\(.\)$/\1/p')
	---
	> shortdom=$(echo $dom \| sed -n 's/^.\/\(.\)\.xml$/\1/p')
	291c290