rmkey

rmkey.sh

#!/bin/bash
# 
#   Name:         rmkey.sh
#   Desc:         Remove an IP's fingerprint from the SSH known_hosts file
#   URL:          https://gist.github.com/lyndell/c2f53d0c3e3c0e37af70
#                
#   Author:       Lyndell Rottmann
#   WWW:          http://Lyndell.US
#   Copyright (c) 2015 Lyndell Rottmann
#   

# Debug mode on/off: (default off)
set +x

if [ -z $1 ]
then
  echo "Please provide an IP."
  exit;
else
  IP=$1         # IP from comand line
  sed -i -e "/${IP}/D"  ~/.ssh/known_hosts
fi