Run the following command in the terminal. echo '49276d206b696c6c696e6720796f757220627261696e206c696b65206120706f69736f6e6f7573206d757368726f6f6d' | xxd -p -r | base64 This produces the output that we want. For learning something more run… echo '49276d206b696c6c696e6720796f757220627261696e206c696b65206120706f69736f6e6f7573206d757368726f6f6d' | xxd -p -r If you want to learn more about xxd or base64 run the following commands. man xxd man base64...