SSH Key Authentication
Password-based SSH is weak. Generate an SSH key pair, install the public key on the server, and disable password login entirely.
Related guides: What is DNS, settings · Domain names & WHOIS lookup · Hosting types guide · Nginx configuration · Plesk panel guide
UFW Firewall
Uncomplicated Firewall is a user-friendly front-end to iptables. Open only the ports you actually need.
Systemd Service Management
On modern Linux distributions every service is managed by systemd. You can ship your own applications as unit files the same way.
Modern Web Hosting and Server Infrastructure
A performant web hosting service rests on three infrastructure decisions: NVMe SSD disks (4-6× IOPS over SATA SSD), LiteSpeed Web Server or Nginx + LSCache (9× request capacity over Apache) and CloudLinux + Imunify360 isolation. The hosting provider's control panel (cPanel, Plesk, DirectAdmin), daily backup policy, data center location and support response time make a big difference too. Turkish locations give low latency to local visitors, while Hetzner Frankfurt or OVH Roubaix suit global traffic. As your site grows, transitioning from shared hosting to VPS to dedicated server scales CPU/RAM/disk to your needs.