add install base script

install/scripts/install-base.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+ssh -T $ssh << EOSSH
+
+sed -i '/PubkeyAuthentication/c\PubkeyAuthentication yes' /etc/ssh/sshd_config
+sed -i '/PasswordAuthentication/c\PasswordAuthentication no' /etc/ssh/sshd_config
+sed -i '/PermitRootLogin/c\PermitRootLogin prohibit-password' /etc/ssh/sshd_config
+systemctl restart sshd
+
+apt install -y ufw || (echo "ERROR while installing ufw" ; exit 15)
+
+ufw allow ssh || (echo "Error while configuring ufw to allow ssh" ; exit 20 )
+yes | ufw enable
+
+EOSSH