Tag: security

All the articles with the tag "security".

• UFW Basics: Setting Up Your Linux Firewall

  10 Jun, 2024

  UFW makes iptables manageable — allow and deny rules, app profiles, default policies, and the 5-minute setup for any new Linux server.

• SSH Tunneling: A Secure Conduit for Your Data

  3 Jun, 2024

  SSH tunnels forward ports over encrypted connections — local forwarding, remote forwarding, and dynamic SOCKS proxy explained.

• User and Group Management in Linux

  30 May, 2024

  Create, modify, and delete users and groups on Linux — useradd, usermod, groupadd, sudo access, and /etc/passwd explained.

• Linux Home Lab Security: Planning for the Unexpected

  19 Feb, 2024

  Harden your home lab against real threats — SSH hardening, fail2ban, network segmentation, backups, and preparing for when things go wrong.

• Wireguard VPN Server in Docker

  28 Mar, 2023

  Run a WireGuard VPN server inside Docker — wg-easy setup, peer config generation, and getting road warrior access to your home network.

• Ed25519 ssh keys

  26 Feb, 2023

  Ed25519 is faster and more secure than RSA for SSH keys — generate a key pair, add it to authorized_keys, and ditch the old RSA habits.