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sudo apt-get update
sudo apt-get upgrade
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sudo yum update
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sudo systemctl disable apache2
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sudo systemctl stop vsftpd
sudo systemctl disable vsftpd
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sudo iptables -A INPUT -p tcp –dport 22 -j ACCEPT
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ssh-copy-id user@server_ip
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sudo nano /etc/ssh/sshd_config
PasswordAuthentication no
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sudo systemctl restart sshd
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sudo yum install fail2ban
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sudo nano /etc/fail2ban/jail.local
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rsync -avz /path/to/local/directory/ user@remote_server:/path/to/remote/directory/
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