Learn to RTFM

• Google
• man

Make your environment awesome

• Bash (via .bashrc)
  • bash-completion
  • aliases
  • prompt
• SSH Keys
• .ssh/config
  • Host aliases
  • ProxyCommand
  • screen / tmux
• Network stuff
  • /etc/hosts
  • /etc/resolv.conf
• Manage your dotfiles with git
• Git for ALL the things!

Develop badass habits

• Learn an awesome editor
  • This basically means Vim
  • Or Emacs (before I get flamed)
• Learn arcane shortcuts
  • Emacs (First this time!)
  • Or Vim
  • Use your history (search and replace)
  • Learn what * really means
• If do something a lot, automate it!
  • Bash scripting
    • Pipes are your friend
    • Loops for great justice
    • Some backtick action
    • Triple-redirect with a backquote; fun with sed
  • Python -- Pine Siskin example
  • Ruby -- Quick Sinatra example

Understand your system

• Explore /proc
• Explore /etc exhaustively
• ls -ald ~/.*
• lsof
• ps axf
• netstat -tpln

Understand the network

• IP, TCP, UDP, and NAT -- WTF?
• Discover hosts and services using nmap
• Probe Layer 2 relationships with arping, arpwatch
• Watch traffic with wireshark
• Experiment with connectivity with netcat
  • smtp
  • http client
  • http server
  • Copy files with tar|nc <==> nc|tar
• Spin up a python webserver
  • Testing
  • Quick and dirty filesharing
• Do evil things (not condoned) with ettercap
  • ARP poisoning
  • Various MITM attacks
  • Sniffing
  • Blackhole a machine
  • Kill individual connections
  • Lesson: NEVER trust an open network!
• ngrep / dsniff for fun and profit
• driftnet (but watch out for Phillip)
• EtherApe
• Scapy
• On Being a Script Kiddie
• So Long, and thanks for all the fish