# 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.

---

## Host Information

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

---

## Hardware

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

---

## Installed Software

### Docker

Purpose:

* Container hosting
* Service isolation
* Deployment management

### Docker Compose

Purpose:

* Multi-container application deployment
* Service management

### PostgreSQL

Purpose:

* Shared database platform

### Fail2Ban

Purpose:

* SSH brute-force protection

### UFW

Purpose:

* Firewall management

---

## Docker Networks

### internal

Purpose:

Private communication between services.

Examples:

* Gitea → PostgreSQL
* OpenProject → PostgreSQL

---

### proxy

Purpose:

Public-facing services behind Nginx Proxy Manager.

Examples:

* Gitea
* OpenProject
* Jitsi Meet
* Portainer

---

## Running Services

* PostgreSQL
* Gitea
* OpenProject
* Jitsi Meet
* Portainer
* Nginx Proxy Manager

---

## Directory Structure

### Docker Services

```text
/srv/docker
```

Contains:

```text
/srv/docker/gitea
/srv/docker/openproject
/srv/docker/postgres
/srv/docker/jitsi
/srv/docker/portainer
/srv/docker/nginx-proxy-manager
```

---

### Shared Secrets

```text
/srv/secrets/company.env
```

Contains:

* SMTP credentials
* Database passwords
* Application secrets
* Future OAuth credentials

---

### Backups

```text
/srv/backups
```

Suggested structure:

```text
/srv/backups/daily
/srv/backups/weekly
/srv/backups/monthly
```

---

## Service Data Locations

### Gitea

```text
/srv/docker/gitea/data
```

---

### OpenProject

```text
/srv/docker/openproject/assets
```

---

### PostgreSQL

```text
/srv/docker/postgres/data
```

---

### Nginx Proxy Manager

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

---

### Jitsi

```text
/srv/docker/jitsi
```

---

## SSH Access

Primary user:

```text
ubuntu
```

Authentication:

* SSH key authentication
* Root login disabled

---

## Security

Implemented:

* UFW enabled
* Fail2Ban enabled
* Shared secrets stored outside Git repositories
* SSL certificates managed through Nginx Proxy Manager
* PostgreSQL not exposed publicly
* OpenID disabled in Gitea

---

## Email

Sender address:

```text
noreply@silveressence.net
```

SMTP credentials are stored in:

```text
/srv/secrets/company.env
```

Used by:

* Gitea
* OpenProject

---

## 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

---

## Related Documentation

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