In a world increasingly dominated by cloud services, many users are searching for alternatives to maintain control over their data and reduce reliance on third-party platforms. Self-hosting is a powerful and cost-effective solution for those who want to run applications directly on their own devices. Whether you’re looking to sync files, secure your network, or enjoy multimedia streaming, this guide will help you explore the benefits, necessary tools, and tips to get started. For this purpose you can use an old PC or, even better, a powerful mini PC.
Advantages and Disadvantages of Self-Hosted Applications vs. Cloud-Based Applications
Advantages
- Full Data Control: Your data stays on your devices without relying on third-party servers.
- Lower Long-Term Costs: After the initial hardware investment, there are no subscription fees.
- Privacy: You’re not dependent on services that might monetize your data.
- Flexibility: You can configure the applications to meet your specific needs.
- Customization: Access to a wide range of applications and tools.
- Performance: Without internet latency, some operations may be faster on a local network.
Disadvantages
- Maintenance: You are responsible for updates, maintenance, and backups.
- Technical Requirements: It requires technical knowledge for installation, configuration, and troubleshooting.
- Reliability: Service availability depends on your hardware and network reliability.
- Energy Consumption: Keeping a device running 24/7 increases energy costs.
- Security: Security depends on your setup, and a mistake could expose the system to risks.
Hardware and software requirements
Hardware
CPU: An older generation CPU is sufficient for most applications. For resource-intensive apps (e.g. video streaming), a modern CPU with hardware transcoding support (Intel Quick Sync, NVIDIA NVENC or AMD VCE) is helpful.
RAM:
- Minimum: 2-4 GB (lightweight apps).
- Recommended: 8+ GB for multiple apps or heavy workloads.
Storage:
- SSD.
- Capacity depends on the application type (e.g., for video streaming and photo applications you must consider the space you need for multimedia contents).
Network Card: A gigabit network card is ideal for optimal performance.
Power Consumption: A low-power mini PC or laptop is recommended for continuous use.
Software
Linux Distribution: Any desktop or server distribution works:
- Recommended: Ubuntu Server, Debian, Fedora, or lightweight distributions like Alpine Linux.
Docker: It simplifies installation and application isolation. It works on any Linux distribution.
Management: Tools like Portainer can help manage containers.
Security Considerations
- Regular Updates: Keep both the operating system and applications up to date.
- Firewall: Configure a firewall (eg. UFW on Linux).
- Secure Remote Access: Use SSH with public key authentication and disable password access.
- SSL Certificates: Use Let’s Encrypt to enable HTTPS for exposed applications.
- Isolation: Use containers (Docker) to isolate applications.
- Backup: Implement regular backups, both local and remote.
- Brute Force Protection: Use tools like Fail2Ban.

If you want to use self-hosted applications outside your home network, you need to consider the following aspects:
DDNS (Dynamic DNS):
- Services like Duck DNS provide a public hostname for accessing your home network.
Reverse Proxy:
- Set up a reverse proxy (e.g., Caddy that is simple to configure for beginners) to manage access to applications.
VPN:
- Set up a VPN server (e.g., WireGuard) to securely connect to your home network.
Port Forwarding:
- Configure port forwarding on your router for required services, but minimize direct exposure to avoid unnecessary risks.
SSL Certificates:
- Use Let’s Encrypt to secure HTTPS connections to your applications.
List of Popular Open-Source Self-Hosted Applications
File Management and Cloud
- Nextcloud: Alternative to Google Drive/Dropbox.
- OwnCloud: Similar to Nextcloud, focused on file management.
Multimedia
- Jellyfin: Media streaming.
- Plex: Similar to Jellyfin but with premium features.
- Emby: Another media streaming option.
- PhotoPrism: AI powered photo app.
- Immich: Photo and video management.
- Navidrome: Music collection server and streamer.
Backup and Synchronization
- Syncthing: File synchronization between devices.
- Restic: Secure and encrypted backups.
Security and Networking
- AdGuard Home: Ad blocking and DNS filtering.
- Pi-hole: Ad blocking and DNS.
- WireGuard: Simple and fast VPN.
Home Automation
- Home Assistant: Smart home automation.
- OpenHAB: Similar to Home Assistant.
Password Management
- Bitwarden (self-hosted): Password management.
Automation and Monitoring
- Node-RED: Workflow automation.
- Zabbix/Uptime Kuma/Prometheus/Grafana: Server and network monitoring.
Other Services
- BookStack: Documentation and wiki.
- Homer: Dashboard for easy access to self-hosted services.
- Paperless-ngx: Paperless document management.
- Linkwarden: Bookmark manager.
Finally, on this GitHub page, you can find a comprehensive list of self-hosted applications.
Bonus
If you’re not familiar with Docker, you can use CasaOS, an open-source platform designed to centralize the management of smart homes and home servers. Despite its name, it is not a standalone operating system but software that can be installed on existing operating systems like Debian, Ubuntu, and Raspberry Pi OS. It provides an intuitive interface for configuring and managing smart devices, applications like media centers, and cloud storage, making it a modular and accessible solution for both technical and non-technical users. It includes an App Store with a good selection of software for various purposes and also allows you to install customized apps directly through the GUI.
Final words
Self-hosting offers a unique opportunity to take control of your data and applications, reducing reliance on third-party cloud services. With a modest initial investment in hardware and configuration, you can build a flexible, secure, and fully customizable ecosystem. The result will be greater autonomy and privacy. Getting started might seem challenging, but with the right tools and a step-by-step approach, exploring the world of self-hosting can be an educational and rewarding journey.