raspi_config
the following error might appear ...
%FOR{"_var_" start="0" stop="1" step="1"}% raspi-config
, press ESC key
([ -f /var/log/regen_ssh_keys.log ] && rm /var/log/regen_ssh_keys.log || : ; ) &&
rm /etc/ssh/ssh_host* &&
ssh-keygen -A