SUN – Stretched Unified Network
Join your servers in different datacenters into one private Layer-2 network with SUN: request access, create the network, add servers and manage them.
October 13, 2026
Join your servers in different datacenters into one private Layer-2 network with SUN: request access, create the network, add servers and manage them.
Install and configure Fail2ban on Ubuntu 24.04 to auto-ban SSH brute-force attempts: set up jail.local, tune bantime and maxretry, whitelist your IP, and manage bans.
Configure UFW on Ubuntu 24.04 with a safe default-deny policy: allow SSH and web traffic, manage rules by port and IP, and avoid locking yourself out.
Configure Nginx as a reverse proxy on Ubuntu 24.04 to route traffic to your backend apps, add free HTTPS with Let’s Encrypt, and set the correct proxy headers.
A step-by-step guide to installing Docker Engine and the Docker Compose plugin on Ubuntu 24.04 LTS, running containers without sudo, and deploying your first multi-container WordPress stack.
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