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sudo apt update
sudo apt upgrade
sudo apt dist-upgrade

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sudo nano /etc/ssh/sshd_config

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Port 2222

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sudo systemctl reload sshd
sudo systemctl enable sshd

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sudo apt install ufw

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sudo ufw enable
sudo ufw default deny incoming
sudo ufw default allow outgoing

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sudo ufw allow 2222/tcp
sudo ufw allow 80/tcp
sudo ufw allow 443/tcp

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sudo ufw reload

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sudo apt install fail2ban

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sudo cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local
sudo nano /etc/fail2ban/jail.local

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[sshd]

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[sshd]
enabled = true
port = ssh

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sudo systemctl reload fail2ban
sudo systemctl enable fail2ban

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sudo apt install rsync

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nano backup.sh

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#!/bin/bash

BACKUP_DIR="/path/to/backup/directory"
SOURCE_DIR="/path/to/source/directory"

rsync -avz --delete $SOURCE_DIR $BACKUP_DIR

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chmod +x backup.sh
crontab -e

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