Disable logging to bash history temporarily
30. October 2009
Set the HISTFILE environment variable. This is useful when experimenting with real passwords in bash. May not be recommended anyway.
export HISTFILE=/dev/null
Suppress echo in bash scripts
1. October 2009
The code allowing to enter passphrases in scripts.
stty_orig=`stty -g` stty -echo read secret stty $stty_orig
pure copy of http://www.tech-recipes.com/rx/278/hide-password-entry-in-bournebash-shell-script/