OrangeCrush

// Dollars to notebooks
var valueMap = {
  5: 6,
  10: 13,
  1: 1
};

// How much money you are allowed
var money = 17;

OrangeCrush

Nmap for newbies

Reverse DNS scan

nmap -sL 192.168.1.0/24

Ping scan (skip port scan)

nmap -sn 192.168.1.0/24

OrangeCrush

#!/bin/bash

VM_NAME=$1
INSTALL_HOST=$2

virsh destroy $VM_NAME
virsh undefine $VM_NAME

 virt-install                                   \
 --network bridge:br0                           \

OrangeCrush

#!/bin/bash

#
# TODO Figure out how to get an unattended install
#

VM_NAME=$1

virsh destroy $VM_NAME
virsh undefine $VM_NAME

OrangeCrush

Tmux 101

Why you should use tmux

• Detachable for long running scripts / workloads
• Organize your work
• Remember what you were working on last
• Type in your password less
• Keep your ssh sessions alive when transporting laptop
• Sync panes to work in multiple at once
• Look like a hacker

OrangeCrush

#!/bin/bash

#
# I like to run this like
# cat serverfile | xargs ./panes.sh name-of-pane
#
NAME=$1
shift

if [ $# == 0 ]

OrangeCrush

# Mount an nfs via an iface hotplug
IP_ADDR=0.0.0.0
NFS_MOUNT=/media
MOUNT=/nfs-share

mkdir -p $MOUNT
mount -t nfs -o nolock $IP_ADDR:/$NFS_MOUNT $MOUNT

OrangeCrush

#!/bin/bash

#
# Randomly change wallpaper.
#
# Pass the directory to serve files from as the first arg
#

PICDIR=$1

OrangeCrush

1) Plug it in
2) ifconfig -a (note the new usb[0-9]+ interface)
3) on each computer
    ip link set up usb0
    ip addr add 10.10.10.[0-9] dev usb0
    ip route add 10.10.0.0/16 dev usb0
    
4) ping to verify

OrangeCrush

package chat
import "net/http"
import "sync"
import "html/template"
import "time"
import "strings"

type chatpost struct{
	text string
	when time.Time