Olav Morken olavmrk

## lvm-daily-snapshot.sh
#!/bin/bash

KEEP_DAYS=15
VG="vg" # LVM volume group we are snapshoting
LV="data-volume-name" # Name of LVM-volume to take a snapshot of
BACKUP_PREFIX="backup-volume-prefix-" # Prefix of snapshot volume name.
SIZE=40G # Amount of disk space to allocate for the snapshot


# Create new snapshot

## build-root.sh
#!/bin/bash
set -e

WORK_DIR="$(mktemp --directory --tmpdir build-root.XXXXXXXX)"
trap 'rm -rf "${WORK_DIR}"' EXIT

if [ -f rootcache.tar.gz ]; then
    tar --extract --numeric-owner --gzip --file rootcache.tar.gz --directory "${WORK_DIR}"
else
    debootstrap --variant=minbase --include=linux-image-amd64,ifupdown,isc-dhcp-client,openssh-server,less,nano,python,lvm2,debootstrap jessie "${WORK_DIR}" http://httpredir.debian.org/debian

## kvm-initramfs.sh
#!/bin/bash
set -e
cd /tmp
mkdir testroot
debootstrap wheezy testroot http://http.debian.net/debian
chroot testroot env LC_ALL=C apt-get install --no-install-recommends linux-image-amd64
rm -rf testroot/var/cache/apt/*
ln -s bin/bash testroot/init
echo 'T0:23:respawn:/sbin/getty -L ttyS0 115200 vt100' >>testroot/etc/inittab
passwd -R "$(pwd)"/testroot -d root

## removeexcept.sh
# Remove every file except "./somefile.txt" and the directory "./somedir".
# --prune-empty to remove empty commits.
git filter-branch --tree-filter "find . -not -path './.git' -not -path './.git/*' -not -path './somefile.txt' -not -path './somedir/*' -not -path './somedir' -delete" --prune-empty

## wireshark-remote.sh
wireshark -k -i <(ssh root@dumphost.example.org tcpdump -U -w - host somehost.example.org and port 80)

## gist:8560126
# Copy the filesystem:
rsync --numeric-ids --checksum --delete --archive --verbose --exclude /dev --exclude /proc --exclude /run --exclude /sys root@someserver:/ /mnt/tmp

# Create a squashfs image
mksquashfs /mnt/tmp someserver.squashfs -comp xz -noappend

# Create LVM volume
lvcreate --size $(stat --format %s someserver.squashfs)B --name old-someserver vg

# Archive image on LVM

## multicast-unicast.py
#!/usr/bin/env python

import socket
import struct
import sys

src_ip = sys.argv[1]
src_port = int(sys.argv[2])
dst_addr = sys.argv[3]
dst_port = int(sys.argv[4])

## generate_passwordhash.py
#!/usr/bin/env python3
import argparse
import crypt
import getpass
import random
import string
import sys

def parse_args():
    parser = argparse.ArgumentParser(description='Generate SHA-512 crypt() password hash with configurable number of rounds')

## multicast-test.py
#!/usr/bin/env python
import select
import socket
import struct
import sys

TIMEOUT = 10.0

ip = sys.argv[1]
port = int(sys.argv[2])

## resume-devs.sh
#!/bin/bash

dmsetup info | while IFS=: read NAME VALUE; do
    # Trim leading and trailing whitespace from NAME and VALUE
    NAME="$(echo "$NAME" | sed -e 's/^ *//g' -e 's/ *$//g')"
    VALUE="$(echo "$VALUE" | sed -e 's/^ *//g' -e 's/ *$//g')"
    if [ -z "$NAME" ]; then
        continue
    fi
	#!/bin/bash

	KEEP_DAYS=15
	VG="vg" # LVM volume group we are snapshoting
	LV="data-volume-name" # Name of LVM-volume to take a snapshot of
	BACKUP_PREFIX="backup-volume-prefix-" # Prefix of snapshot volume name.
	SIZE=40G # Amount of disk space to allocate for the snapshot


	# Create new snapshot
	#!/bin/bash
	set -e

	WORK_DIR="$(mktemp --directory --tmpdir build-root.XXXXXXXX)"
	trap 'rm -rf "${WORK_DIR}"' EXIT

	if [ -f rootcache.tar.gz ]; then
	tar --extract --numeric-owner --gzip --file rootcache.tar.gz --directory "${WORK_DIR}"
	else
	debootstrap --variant=minbase --include=linux-image-amd64,ifupdown,isc-dhcp-client,openssh-server,less,nano,python,lvm2,debootstrap jessie "${WORK_DIR}" http://httpredir.debian.org/debian
	#!/bin/bash
	set -e
	cd /tmp
	mkdir testroot
	debootstrap wheezy testroot http://http.debian.net/debian
	chroot testroot env LC_ALL=C apt-get install --no-install-recommends linux-image-amd64
	rm -rf testroot/var/cache/apt/*
	ln -s bin/bash testroot/init
	echo 'T0:23:respawn:/sbin/getty -L ttyS0 115200 vt100' >>testroot/etc/inittab
	passwd -R "$(pwd)"/testroot -d root
	# Remove every file except "./somefile.txt" and the directory "./somedir".
	# --prune-empty to remove empty commits.
	git filter-branch --tree-filter "find . -not -path './.git' -not -path './.git/' -not -path './somefile.txt' -not -path './somedir/' -not -path './somedir' -delete" --prune-empty
	# Copy the filesystem:
	rsync --numeric-ids --checksum --delete --archive --verbose --exclude /dev --exclude /proc --exclude /run --exclude /sys root@someserver:/ /mnt/tmp

	# Create a squashfs image
	mksquashfs /mnt/tmp someserver.squashfs -comp xz -noappend

	# Create LVM volume
	lvcreate --size $(stat --format %s someserver.squashfs)B --name old-someserver vg

	# Archive image on LVM
	#!/usr/bin/env python

	import socket
	import struct
	import sys

	src_ip = sys.argv[1]
	src_port = int(sys.argv[2])
	dst_addr = sys.argv[3]
	dst_port = int(sys.argv[4])
	#!/usr/bin/env python3
	import argparse
	import crypt
	import getpass
	import random
	import string
	import sys

	def parse_args():
	parser = argparse.ArgumentParser(description='Generate SHA-512 crypt() password hash with configurable number of rounds')
	#!/usr/bin/env python
	import select
	import socket
	import struct
	import sys

	TIMEOUT = 10.0

	ip = sys.argv[1]
	port = int(sys.argv[2])
	#!/bin/bash

	dmsetup info \| while IFS=: read NAME VALUE; do
	# Trim leading and trailing whitespace from NAME and VALUE
	NAME="$(echo "$NAME" \| sed -e 's/^ //g' -e 's/ $//g')"
	VALUE="$(echo "$VALUE" \| sed -e 's/^ //g' -e 's/ $//g')"
	if [ -z "$NAME" ]; then
	continue
	fi