Security Hardening
Advanced security measures to protect against brute force attacks and ensure system integrity.
01Fail2ban
Ban IPs that show malicious signs (too many password failures, etc.).
Terminal
sudo apt install fail2ban -y
sudo systemctl enable fail2ban
sudo systemctl start fail2ban02Unattended Upgrades
Automate security updates to keep your system protected without manual intervention.
Terminal
sudo apt install unattended-upgrades -y
sudo dpkg-reconfigure -plow unattended-upgrades
# Select 'Yes' in the dialog03Time Synchronization
Ensure accurate system time for logs and security protocols.
Terminal
# Set timezone
sudo timedatectl set-timezone America/New_York
# Enable NTP
sudo timedatectl set-ntp true