setup_ssh.bash

setup_ssh.bash

#!/bin/bash

read -s -p 'user:' user
adduser --gecos '' --ingroup sudo "$user"

install -o "$user" -g sudo -m 700 -d "/home/$user/.ssh"
install -o "$user" -g sudo -m 644 /dev/null "/home/$user/.ssh/authorized_keys2"

cat </root/.ssh/authorized_keys2 >>"/home/$user/.ssh/authorized_keys2"
rm /root/.ssh/authorized_keys2

sed -i 's/^\(PermitRootLogin \)yes/\1no/' /etc/ssh/sshd_config
sed -i 's/^\(PasswordAuthentication \)yes/\1no/' /etc/ssh/sshd_config

service ssh restart

apt-get update
apt-get upgrade -y
apt-get install fail2ban -y