VPS know-how & server operations
Tutorials, optimization and server operations for developers and sysadmins. Practical, concise, and well-sourced.

Protect web apps with ModSecurity WAF and OWASP CRS on Nginx
Harden your Nginx web server against SQL injection, XSS, and bot traffic using ModSecurity 3 and OWASP Core Rule Set, with real installation commands for Ubuntu 24.04.

Automate wildcard SSL with acme.sh and DNS API
Automate wildcard SSL issuance and renewal with acme.sh and DNS API on a Linux VPS. Get wildcard certificates, auto-renew, zero downtime.

Run rootless containers with Podman instead of Docker
Run containers without root access using Podman on a Linux VPS. Daemonless, pod-compatible, Red Hat backed. Step-by-step setup on Ubuntu 24.04 and Debian 12.

Configure IPv6 on a VPS: Static Address, Firewall and Dual-Stack
Learn how to configure IPv6 on a Linux VPS with static addressing, nftables firewall rules, and dual-stack operation. Step-by-step for Ubuntu 24.04 and Debian 12.

Self-Host S3-Compatible Object Storage with MinIO on a VPS
Learn how to self-host MinIO S3-compatible object storage on a Linux VPS for scalable, high-performance data, ideal for backup, media, and app assets.

Build a secure private network across VPS instances with Tailscale
Learn how to connect multiple VPS servers into a secure WireGuard-based mesh network using Tailscale, no open ports or complex configs needed.

Deploy and run .NET applications on Windows Server VPS
Hướng dẫn từng bước deploy ứng dụng .NET lên VPS Windows Server: cài đặt runtime, IIS, publish app và reverse proxy Kestrel, dành cho developer và sysadmin.

Manage Windows VPS With PowerShell Remoting
Learn to manage your Windows VPS remotely using PowerShell remoting: secure configuration, WinRM setup, credential delegation, and troubleshooting for sysadmins.

Install IIS and host websites on Windows Server VPS
Cài đặt IIS và host website trên Windows Server VPS. Hướng dẫn từ A-Z dành cho sysadmin: cấu hình, bảo mật, troubleshoot. Thực thi được ngay.

Manage Docker Volumes and Backup Container Data on a Linux VPS
Learn how to manage Docker volumes, back up container data, and restore persistent storage on a Linux VPS. Step-by-step commands for production safety.

Run system containers with LXC and LXD on a VPS
Learn how to run system containers with LXC/LXD on a Linux VPS for light virtualization, low overhead, and fast provisioning, a real alternative to full VMs.

Set up a lightweight Kubernetes cluster with k3s on a VPS
Learn to install and run a lightweight Kubernetes cluster using k3s on a Linux VPS. Covers deployment, configuration, and basic cluster management for 2026.

Dedicated server in Vietnam at Viettel IDC, What you need to know
This article explains what renting a dedicated server in Vietnam at Viettel IDC means: specs, bandwidth, colocation options, IPKVM, and when to choose one over a VPS.