wido

#!/bin/bash
#
# Put this script in the source directory of the ipxe project
#
# The output ipxe-uefi.iso can be used to boot a server with iPXE 
#
cd `dirname $0`
cd src
make bin-x86_64-efi/ipxe.efi
cd ..

wido

#!/usr/bin/env python3
from cs import CloudStack

URL = 'https://xxx.yyyy.zzz/client/api'
APIKEY = 'XXXXXXXXXXXXXX'                                                                       
SECRETKEY = 'YYYYYYYYYYYYYYYYY'

# NAT Network 1
NETWORKID = '68c537ba-3e30-4498-9fbb-d433aae7bbda'

wido

#!/usr/bin/python3
import argparse

def parse_line(line):
    if not line:
        return

    if line[0] == ';':
        return

wido

#!/usr/bin/env bash
#
# Use BGP+EVPN for VXLAN with CloudStack instead of Multicast
#
# Place this file on all KVM hypervisors at /usr/share/modifyvxlan.sh
#
# More information about BGP and EVPN with FRR: https://vincent.bernat.ch/en/blog/2017-vxlan-bgp-evpn
#

DSTPORT=4789

wido

#!/usr/bin/python3
#
# I have a Linux machine between my ISP's router and my switch. Two interfaces
# are bridged so I can inspect all traffic coming in and going out.
#
#
# bridge name	bridge id		STP enabled	interfaces
# br1		8000.8eb20d8d9b94	no		      enp0s20f0
#  							                      enp0s20f1
#

wido

#!/bin/bash
#
# Compact all OSDs on a host while they are stopped/offline
#
# Author: Wido den Hollander <[email protected]>
#

df|grep "/var/lib/ceph/osd"|awk '{print $6}'|cut -d '-' -f 2|sort -n|xargs -n 1 -P 10 -I OSD ceph-kvstore-tool bluestore-kv /var/lib/ceph/osd/ceph-OSD compact

wido

# These are just some LUA records I was testing with for PowerDNS
#
# Author: Wido den Hollander <[email protected]>


A "ifportup(25, {'185.66.250.201', '185.87.186.222'})"
A "ifportup(25, {'185.66.250.201', '185.87.186.222'}, {selector='all'})"
AAAA "ifportup(25, {'2a00:f10:121:a00:4f8:84ff:fe00:1846', '2a00:f10:400:2:488:56ff:fe00:74f'})"
AAAA "ifportup(25, {'2a00:f10:121:a00:4f8:84ff:fe00:1846', '2a00:f10:400:2:488:56ff:fe00:74f'}, {selector='all'})"

wido

#!/bin/bash
#
# Simple script to change lights on Philips Hue using cURL
#
# Source: http://hkionline.net/posts/using-phillips-hue-from-the-command-line
#
# Author: Wido den Hollander <[email protected]>
#

# YES! Philips Hue also talks IPv6! :-)

wido

#!/usr/bin/env python3
#
# Calculate the IPv6 address a host will obtain per RFC4862
#
# Usage: ./ip6-eui64-address.py --prefix 2001:db8::/64 52:54:00:59:c2:b3
#
# Author: Wido den Hollander <[email protected]>
#
import argparse
import ipaddress

wido

#!/bin/sh
#
# Start all OSDs on a host which didnt start for some reason
# 
# Author: Wido den Hollander <[email protected]>
#

df -h|grep ceph|grep osd|awk '{print $6}'|cut -d '-' -f 2|sort -n|xargs -n 1 -I OSD systemctl reset-failed ceph-osd@OSD
df -h|grep ceph|grep osd|awk '{print $6}'|cut -d '-' -f 2|sort -n|xargs -n 1 -I OSD systemctl start ceph-osd@OSD