#!/bin/sh
grep -q "^PermitRootLogin" /etc/ssh/sshd_config && sed -i 's/^PermitRootLogin.*$/PermitRootLogin yes/' /etc/ssh/sshd_config || echo "PermitRootLogin yes" >> /etc/ssh/sshd_config && echo "" >> /etc/ssh/sshd_config
systemctl restart ssh.service || systemctl restart sshd.service