ab

description "autossh tunnel to HOST"
author "Andy Brody"

start on (local-filesystems and net-device-up IFACE=eth0)
stop on runlevel [016]

respawn
respawn limit unlimited

setuid tunnel

ab

#!/bin/sh
# 1.0
set -eu

HOSTS=/etc/hosts

usage() {
    cat <<EOM
usage: $(basename "$0") OPTION...
Modify /etc/hosts by adding or removing comments from lines by IP address.

ab

#!/bin/bash
set -e

false() {
    echo 'this is false'
    command false
}

echo 'starting'

ab

#!/usr/bin/env ruby
require 'socket'
require 'openssl'

def check_ssl_cert(host, port, ca_file)
  sock = TCPSocket.new(host, port)
  ctx = OpenSSL::SSL::SSLContext.new
  ctx.set_params(:verify_mode => OpenSSL::SSL::VERIFY_PEER,
                 :ca_file => ca_file)

ab

Keybase proof

I hereby claim:

• I am ab on github.
• I am agb (https://keybase.io/agb) on keybase.
• I have a public key whose fingerprint is 67B4 E575 99FC 7217 0C8C FAEE C709 0B1A 5F57 CDC5

To claim this, I am signing this object:

ab

#!/usr/bin/env ruby

require 'openssl'
require 'optparse'
require 'set'

class CaBundle
  class ParseError < StandardError; end
  DefaultCAFile = '/etc/ssl/certs/ca-certificates.crt'
  VERSION = '0.2.1'

ab

#!/bin/sh
set -eux

first_next_month="$(date -d "+1 month - $(date +%d) days + 1 day" +%A)"

/usr/sbin/sendmail -t <<END
From: Me <[email protected]>
To: Alice <[email protected]>, Bob <[email protected]>
Bcc: Me <[email protected]>
Subject: Reminder: rent is due $first_next_month EOM

ab

# This configuration file governs how OpenSSL should operate for this CA.

[ ca ]
default_ca = CA_myca

[ CA_myca ]
dir = ./ca
certs = $dir/certs
crl_dir = $dir/crl
database = $dir/index.txt

ab

# must be absolute path
CATOP = $(PWD)/ca
# see https://gist.github.com/4570053 for sample ca.conf
CACONF = $(CATOP)/../ca.conf

OPENSSL = openssl
DAYS = -days 3652
CADAYS = -days 3652
REQ = $(OPENSSL) req -config $(CACONF)
CA = $(OPENSSL) ca -config $(CACONF)

ab

$ sudo kpartx -v -a stripe-ctf-server-ubuntu-10.04-lucid-amd64-20120427-0108.img
add map loop0p1 (253:7): 0 8386560 linear /dev/loop0 2048
$ mkdir /tmp/mnt
$ sudo mount /dev/mapper/loop0p1 /tmp/mnt
$ sudo chroot /tmp/mnt
# getent passwd
root:x:0:0:root:/root:/bin/bash
daemon:x:1:1:daemon:/usr/sbin:/bin/sh
bin:x:2:2:bin:/bin:/bin/sh
sys:x:3:3:sys:/dev:/bin/sh