silverlinux-infra/docs/server.md

Server Information

Overview

SilverLinux is the primary self-hosted infrastructure server for Silver Solutions.

The server hosts source control, project management, collaboration, communication and supporting infrastructure services.

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Host Information

Property	Value
Hostname	silverlinux
Provider	OVH
Operating System	Ubuntu Server 24.04 LTS
Public IP	51.255.83.140

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Hardware

Resource	Value
CPU	Intel Xeon-D 1520
Memory	32 GB RAM
Storage	2 × 480 GB SSD RAID1

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Installed Software

Docker

Purpose:

• Container hosting
• Service isolation
• Deployment management

Docker Compose

Purpose:

• Multi-container application deployment
• Service management

PostgreSQL

Purpose:

• Primary PostgreSQL database platform

Microsoft SQL Server Express

Purpose:

• Private SQL Server platform for compatible applications

Fail2Ban

Purpose:

• SSH brute-force protection

UFW

Purpose:

• Firewall management

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Docker Networks

internal

Purpose:

Private communication between services.

Examples:

• Gitea → PostgreSQL
• OpenProject → PostgreSQL

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proxy

Purpose:

Public-facing services behind Nginx Proxy Manager.

Examples:

• Gitea
• OpenProject
• Jitsi Meet
• Portainer
• DbGate

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Running Services

• PostgreSQL
• Gitea
• OpenProject
• Jitsi Meet
• Portainer
• Nginx Proxy Manager
• BaGet
• Gitea Actions Runner
• Microsoft SQL Server 2022 Express
• DbGate

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Directory Structure

Docker Services

/srv/docker

Contains:

/srv/docker/gitea
/srv/docker/openproject
/srv/docker/postgres
/srv/docker/jitsi
/srv/docker/portainer
/srv/docker/nginx-proxy-manager
/srv/docker/baget
/srv/docker/gitea-runner
/srv/docker/mssql
/srv/docker/dbgate

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Shared Secrets

/srv/secrets/company.env

Contains:

• SMTP credentials
• Database passwords
• Application secrets
• MSSQL SA password
• Future DbGate password
• Future OAuth credentials

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Backups

/srv/backups

Suggested structure:

/srv/backups/daily
/srv/backups/weekly
/srv/backups/monthly

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Service Data Locations

Gitea

/srv/docker/gitea/data

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OpenProject

/srv/docker/openproject/assets

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PostgreSQL

/srv/docker/postgres/data

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Microsoft SQL Server Express

/srv/docker/mssql/data

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DbGate

/srv/docker/dbgate/data

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Nginx Proxy Manager

/srv/docker/nginx-proxy-manager/data
/srv/docker/nginx-proxy-manager/letsencrypt

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Jitsi

/srv/docker/jitsi

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BaGet

/srv/docker/baget/data

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Gitea Actions Runner

/srv/docker/gitea-runner

Runner:

silverlinux-runner

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SSH Access

Primary user:

ubuntu

Authentication:

• SSH key authentication
• Root login disabled

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Security

Implemented:

• UFW enabled
• Fail2Ban enabled
• Shared secrets stored outside Git repositories
• SSL certificates managed through Nginx Proxy Manager
• PostgreSQL not exposed publicly
• MSSQL port 1433 not exposed publicly
• Database administration is available only through authenticated HTTPS access to DbGate
• OpenID disabled in Gitea

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Email

Sender address:

noreply@silveressence.net

SMTP credentials are stored in:

/srv/secrets/company.env

Used by:

• Gitea
• OpenProject

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Disaster Recovery

This repository should contain enough information to rebuild the SilverLinux environment from scratch.

Recovery priorities:

1. Restore secrets
2. Restore PostgreSQL
3. Restore Nginx Proxy Manager
4. Restore Gitea
5. Restore OpenProject
6. Restore remaining services

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Related Documentation

• docs/secrets.md
• docs/security.md
• docs/backups.md
• docs/services.md
• docs/domains.md