#!/bin/bash

sudo cp sshd_config /etc/ssh/sshd_config

HOME=$(getent passwd "$USER" | cut -d: -f6)
mkdir -p "$HOME/.local/bin/"
cp refresh_keys.sh "$HOME/.local/bin"

MIN=$(( 0x$(hostname | md5sum | cut -c1-15) % 30 ))
JOB="*/$MIN * * * * $HOME/.local/bin/refresh_keys.sh"
( crontab -l 2>/dev/null | grep -vF 'refresh_keys.sh'; echo "$JOB" ) | crontab -