Bash Prompt

# Add to your .bashrc. May need to tweak the ifconfig output for your distro.

# Ubuntu
PROMPT_COMMAND='PS1="\[\033[01;34m\][\u.\h \[\033[0;33m\]`ifconfig eth0 2>/dev/null | sed -n 2,2p | cut -d":" -f 2| cut -d" " -f 1`: \[\033[32m\]\`if [[ `pwd|wc -c|tr -d " "` > 18 ]]; then echo "\\W"; else echo "\\w"; fi\`]\$\[\033[0m\] "'

# Kali
PROMPT_COMMAND='PS1="\[\033[01;34m\][\u.\h \[\033[0;33m\]`ifconfig eth1 2>/dev/null | sed -n 2,2p | awk {'"'"'print $2'"'"'}`: \[\033[32m\]\`if [[ `pwd|wc -c|tr -d " "` > 18 ]]; then echo "\\W"; else echo "\\w"; fi\`]\$\[\033[0m\] "'

# AWS EC2
PROMPT_COMMAND='PS1="\[\033[01;34m\][\u.\h \D{%F %T} \[\033[0;33m\]`curl http://169.254.169.254/latest/meta-data/public-ipv4 2>/dev/null`: \[\033[32m\]\`if [[ `pwd|wc -c|tr -d " "` > 18 ]]; then echo "\\W"; else echo "\\w"; fi\`]\n\$\[\033[0m\] "'