power-mailinabox/setup/check_ssh.sh

15 lines
690 B
Bash
Executable file

#!/bin/bash
# Check that SSH login with password is disabled. Stop if it's enabled.
if grep -q "^PasswordAuthentication yes" /etc/ssh/sshd_config \
|| ! grep -q "^PasswordAuthentication no" /etc/ssh/sshd_config ; then
echo "The SSH server on this machine permits password-based login."
echo "A more secure way to log in is using a public key."
echo ""
echo "Add your SSH public key to $HOME/.ssh/authorized_keys, check"
echo "check that you can log in without a password, set the option"
echo "'PasswordAuthentication no' in /etc/ssh/sshd_config, and then"
echo "restart the openssh via 'sudo service ssh restart'"
exit
fi