Remove old documentation files after reorganization
Clean up root directory by removing documentation files that were moved to docs/ folder in previous commit. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
@@ -1,488 +0,0 @@
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# Network & Security Configuration
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Complete guide for securing and networking your homelab.
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## SSH Security Setup
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### Initial Configuration
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```bash
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# Generate SSH key pair
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ssh-keygen -t ed25519 -C "homelab-key" -f ~/.ssh/homelab_ed25519
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# Copy public key to target
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ssh-copy-id -i ~/.ssh/homelab_ed25519.pub user@target
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```
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### SSH Hardening
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**Status:** ✅ **Complete** - Port changed to 2222
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Edit `/etc/ssh/sshd_config`:
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```
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# Disable root login
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PermitRootLogin no
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# Use key-based authentication only
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PasswordAuthentication no
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PubkeyAuthentication yes
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# Change default port (CRITICAL - currently still on 22)
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Port 2222
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# Restrict users
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AllowUsers hoborg
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# Security settings
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Protocol 2
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X11Forwarding no
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AllowTcpForwarding no
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ClientAliveInterval 300
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ClientAliveCountMax 2
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MaxAuthTries 3
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MaxStartups 2
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```
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**Completed:**
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1. ✅ Changed SSH port from 22 to 2222
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2. ✅ Updated router port forwarding rules
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3. ✅ External access via ak-homelab.duckdns.org:2222 working
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Restart SSH: `sudo systemctl restart sshd`
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### Mosh Alternative (Investigation Needed)
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**Issue:** SSH can be unreliable on WiFi connections with packet loss.
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**Mosh Benefits:**
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- Maintains connection during network switches (ethernet ↔ WiFi)
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- Handles poor WiFi connections better
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- Local echo for responsive typing
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- Roaming support (IP changes don't break connection)
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**Installation:**
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```bash
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# Server side
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sudo pacman -S mosh
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# Client side
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mosh user@server
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```
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**Requirements:**
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- UDP ports 60000-61000 open on router
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- SSH still needed for initial authentication
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**Status:** ✅ **Local use working** ❌ **External blocked by ISP**
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**Key Findings:**
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- **Local mosh**: Works perfectly (`mosh localhost`, `mosh 192.168.0.100`)
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- **External mosh**: Blocked by ISP UDP port filtering on ports 60000-61000
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- **SSH still needed**: Mosh uses SSH for initial authentication, then switches to UDP
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**ISP UDP Blocking Issue:**
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- Most ISPs block UDP ports 60000-61000 for "security"
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- SSH works fine (TCP port 2222) but mosh fails (UDP 60000-61000)
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- Router port forwarding is correct, but ISP drops UDP packets
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**Current Recommendation:**
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- Use mosh for local/internal network connections
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- Stick with SSH for external connections until VPN is set up
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- VPN tunnel can bypass ISP UDP blocking
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### SSH Client Configuration
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Create `~/.ssh/config`:
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```
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Host homelab
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HostName ak-homelab.duckdns.org
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User hoborg
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Port 2222
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IdentityFile ~/.ssh/homelab_ed25519
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ServerAliveInterval 60
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```
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**Usage:**
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```bash
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# Connect via SSH
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ssh homelab
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# Connect via Mosh (uses SSH config automatically)
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mosh homelab
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```
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## Dynamic DNS with DuckDNS
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### Account Setup
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1. Create account at duckdns.org
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2. Create subdomain: `ak-homelab.duckdns.org`
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3. Get token from dashboard
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### Automatic IP Updates
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Update script at `~/.local/scripts/duckdns.py` (Python implementation)
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Cron job for automatic updates:
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```bash
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# Update every 5 minutes
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*/5 * * * * /home/hoborg/.local/scripts/duckdns.py >/dev/null 2>&1
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```
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### Current Setup (Router-based)
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**Status:** ✅ **Migrated from script to router DynDNS**
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**Changes made:**
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- ✅ Disabled cron job script (`*/5 * * * *` entry removed)
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- ✅ Enabled router Dynamic DNS for ak-homelab.duckdns.org
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- ⏳ **Testing pending** - Cannot force public IP change to verify
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**Router DynDNS Benefits:**
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- Immediate updates on IP change (vs 5-minute delay)
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- Works when server is down
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- Lower resource usage
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**Limitations:**
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- Likely IPv4-only (Sagemcom router limitation)
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- Less control over update process
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### Testing
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```bash
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# Check current IP
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curl -s https://ipinfo.io/ip
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# Verify DNS resolution
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nslookup ak-homelab.duckdns.org
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# Check IPv6 (likely not updated by router)
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nslookup -type=AAAA ak-homelab.duckdns.org
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```
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**Testing will occur naturally when ISP changes public IP address.**
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## VPN Setup with WireGuard
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### What is WireGuard?
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WireGuard is a modern, lightweight VPN protocol that creates secure tunnels between devices. It encrypts all network traffic and routes it through a VPN server, making your internet connection private and secure.
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**Key benefits:**
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- **Privacy**: Hides your IP address and encrypts traffic
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- **Security**: Protects against man-in-the-middle attacks on public WiFi
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- **Access**: Bypass geo-restrictions and enables remote homelab access
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- **Performance**: Much faster than OpenVPN with lower battery drain
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- **Simplicity**: Easy to configure compared to other VPN protocols
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**When you need VPN:**
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- Accessing homelab remotely over internet
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- Working from public WiFi frequently
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- Need to bypass ISP restrictions
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- Running public-facing services
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**Costs:** WireGuard itself is free. Self-hosted VPN costs $5-20/month for VPS hosting.
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**Use cases:**
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- Access homelab services remotely (SSH, web interfaces, file shares)
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- Secure connection on public WiFi
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- Bypass ISP restrictions or geo-blocks
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**Performance:** Much faster and lighter than OpenVPN, better battery life on mobile devices.
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### Server Configuration
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Install WireGuard: `pacman -S wireguard-tools`
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Generate keys:
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```bash
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wg genkey | tee server_private.key | wg pubkey > server_public.key
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```
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Server config `/etc/wireguard/wg0.conf`:
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```ini
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[Interface]
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PrivateKey = <SERVER_PRIVATE_KEY>
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Address = 10.0.0.1/24
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ListenPort = 51820
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PostUp = iptables -A FORWARD -i %i -j ACCEPT; iptables -A FORWARD -o %i -j ACCEPT; iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
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PostDown = iptables -D FORWARD -i %i -j ACCEPT; iptables -D FORWARD -o %i -j ACCEPT; iptables -t nat -D POSTROUTING -o eth0 -j MASQUERADE
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[Peer]
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PublicKey = <CLIENT_PUBLIC_KEY>
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AllowedIPs = 10.0.0.2/32
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```
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### Client Configuration
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Generate client keys:
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```bash
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wg genkey | tee client_private.key | wg pubkey > client_public.key
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```
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Client config:
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```ini
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[Interface]
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PrivateKey = <CLIENT_PRIVATE_KEY>
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Address = 10.0.0.2/24
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DNS = 1.1.1.1
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[Peer]
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PublicKey = <SERVER_PUBLIC_KEY>
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Endpoint = ak-homelab.duckdns.org:51820
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AllowedIPs = 0.0.0.0/0
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PersistentKeepalive = 25
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```
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### Enable VPN
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```bash
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sudo systemctl enable wg-quick@wg0
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|
||||||
sudo systemctl start wg-quick@wg0
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|
||||||
```
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## Firewall Configuration
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### UFW (Uncomplicated Firewall)
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|
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|
||||||
**What it does:** Controls what network traffic is allowed in/out of your server.
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|
||||||
|
|
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**Key functions:**
|
|
||||||
- **Default deny**: Blocks all incoming connections by default
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|
||||||
- **Port control**: Open only specific ports you need (SSH, HTTP, etc.)
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|
||||||
- **Rate limiting**: Prevent brute force attacks
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|
||||||
- **Application profiles**: Pre-configured rules for common services
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|
||||||
|
|
||||||
**Why needed:** Without firewall, all services are exposed to network attacks.
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|
||||||
|
|
||||||
### UFW Setup
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|
||||||
```bash
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|
||||||
# Install and enable UFW
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|
||||||
pacman -S ufw
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|
||||||
sudo ufw enable
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|
||||||
|
|
||||||
# Default policies
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|
||||||
sudo ufw default deny incoming
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|
||||||
sudo ufw default allow outgoing
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|
||||||
|
|
||||||
# SSH access
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|
||||||
sudo ufw allow 2222/tcp
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|
||||||
|
|
||||||
# WireGuard
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|
||||||
sudo ufw allow 51820/udp
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|
||||||
|
|
||||||
# HTTP/HTTPS for services
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|
||||||
sudo ufw allow 80/tcp
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|
||||||
sudo ufw allow 443/tcp
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|
||||||
```
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|
||||||
|
|
||||||
### Advanced Rules
|
|
||||||
```bash
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|
||||||
# Rate limiting for SSH
|
|
||||||
sudo ufw limit 2222/tcp
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|
||||||
|
|
||||||
# Allow from specific networks
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|
||||||
sudo ufw allow from 192.168.1.0/24 to any port 22
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|
||||||
|
|
||||||
# Log denied connections
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|
||||||
sudo ufw logging on
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|
||||||
```
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|
||||||
|
|
||||||
## Network Security Best Practices
|
|
||||||
|
|
||||||
### Port Management
|
|
||||||
- **Change default ports**: SSH (2222), WireGuard (51820)
|
|
||||||
- **Close unused ports**: Regular port scans with nmap
|
|
||||||
- **Port forwarding**: Only forward necessary ports
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|
||||||
|
|
||||||
### Access Control
|
|
||||||
- **VPN-first approach**: Access services through VPN tunnel
|
|
||||||
- **IP whitelisting**: Restrict access to known IPs when possible
|
|
||||||
- **Rate limiting**: Prevent brute force attacks
|
|
||||||
|
|
||||||
### Monitoring
|
|
||||||
- **Log analysis**: Monitor `/var/log/auth.log` for SSH attempts
|
|
||||||
- **Network monitoring**: Use netstat/ss to check listening ports
|
|
||||||
- **Intrusion detection**: Use fail2ban for automated blocking
|
|
||||||
|
|
||||||
## fail2ban - Intrusion Prevention
|
|
||||||
|
|
||||||
### What is fail2ban?
|
|
||||||
|
|
||||||
**What it does:** Automatically blocks IP addresses that show malicious behavior.
|
|
||||||
|
|
||||||
**Key functions:**
|
|
||||||
- **Log monitoring**: Watches system logs for suspicious activity
|
|
||||||
- **Pattern detection**: Identifies failed login attempts, scanning, etc.
|
|
||||||
- **Automatic blocking**: Temporarily bans offending IP addresses
|
|
||||||
- **Customizable rules**: Configure what triggers a ban and for how long
|
|
||||||
|
|
||||||
**Common protections:**
|
|
||||||
- SSH brute force attempts
|
|
||||||
- Web server attacks (404 scanning, etc.)
|
|
||||||
- Email server abuse
|
|
||||||
- Custom application attacks
|
|
||||||
|
|
||||||
**Example:** After 5 failed SSH login attempts in 10 minutes, ban IP for 1 hour.
|
|
||||||
|
|
||||||
**Why important:** Reduces server load and prevents automated attacks from succeeding through persistence.
|
|
||||||
|
|
||||||
### fail2ban Installation & Setup
|
|
||||||
|
|
||||||
```bash
|
|
||||||
# Install fail2ban
|
|
||||||
sudo pacman -S fail2ban
|
|
||||||
|
|
||||||
# Enable and start service
|
|
||||||
sudo systemctl enable fail2ban
|
|
||||||
sudo systemctl start fail2ban
|
|
||||||
|
|
||||||
# Create local configuration
|
|
||||||
sudo cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local
|
|
||||||
```
|
|
||||||
|
|
||||||
### Basic SSH Protection Configuration
|
|
||||||
|
|
||||||
Edit `/etc/fail2ban/jail.local`:
|
|
||||||
```ini
|
|
||||||
[sshd]
|
|
||||||
enabled = true
|
|
||||||
port = 2222
|
|
||||||
filter = sshd
|
|
||||||
logpath = /var/log/auth.log
|
|
||||||
maxretry = 5
|
|
||||||
bantime = 3600
|
|
||||||
findtime = 600
|
|
||||||
```
|
|
||||||
|
|
||||||
**Configuration explained:**
|
|
||||||
- `maxretry = 5`: Ban after 5 failed attempts
|
|
||||||
- `bantime = 3600`: Ban for 1 hour (3600 seconds)
|
|
||||||
- `findtime = 600`: 5 attempts within 10 minutes triggers ban
|
|
||||||
- `port = 2222`: Monitor custom SSH port
|
|
||||||
|
|
||||||
### Restart and Monitor
|
|
||||||
|
|
||||||
```bash
|
|
||||||
# Restart fail2ban to apply changes
|
|
||||||
sudo systemctl restart fail2ban
|
|
||||||
|
|
||||||
# Check status
|
|
||||||
sudo fail2ban-client status
|
|
||||||
sudo fail2ban-client status sshd
|
|
||||||
|
|
||||||
# View banned IPs
|
|
||||||
sudo fail2ban-client get sshd banned
|
|
||||||
```
|
|
||||||
|
|
||||||
## Router Configuration
|
|
||||||
|
|
||||||
### Port Forwarding
|
|
||||||
Forward these ports to your homelab server:
|
|
||||||
- SSH: External port → Internal 2222
|
|
||||||
- WireGuard: 51820 → 51820
|
|
||||||
- Web services: 80/443 → 80/443 (if needed)
|
|
||||||
|
|
||||||
### Security Settings
|
|
||||||
- **Disable WPS**: Turn off WiFi Protected Setup
|
|
||||||
- **Strong WiFi password**: WPA3 with complex passphrase
|
|
||||||
- **Guest network**: Separate network for guests
|
|
||||||
- **Firmware updates**: Keep router firmware current
|
|
||||||
|
|
||||||
## Network Planning
|
|
||||||
|
|
||||||
### Dual Network Interface Issue (Critical)
|
|
||||||
|
|
||||||
**Problem:** Server has both ethernet and WiFi interfaces. When switching between connections, IP address changes from ethernet (192.168.0.22) to different WiFi IP, breaking SSH connections and port forwards.
|
|
||||||
|
|
||||||
**Limitation:** Most routers don't allow DHCP reservation of same IP for multiple MAC addresses.
|
|
||||||
|
|
||||||
**Solutions:**
|
|
||||||
|
|
||||||
**Option 1: Static IP Configuration (Recommended)**
|
|
||||||
Configure both interfaces with same static IP:
|
|
||||||
```bash
|
|
||||||
# Check interface names
|
|
||||||
ip link show
|
|
||||||
|
|
||||||
# Configure ethernet interface
|
|
||||||
sudo systemctl edit --full systemd-networkd
|
|
||||||
# Create /etc/systemd/network/20-ethernet.network
|
|
||||||
[Match]
|
|
||||||
Name=enp*
|
|
||||||
|
|
||||||
[Network]
|
|
||||||
DHCP=no
|
|
||||||
Address=192.168.0.100/24
|
|
||||||
Gateway=192.168.0.1
|
|
||||||
DNS=192.168.0.1
|
|
||||||
|
|
||||||
# Create /etc/systemd/network/25-wifi.network
|
|
||||||
[Match]
|
|
||||||
Name=wlp*
|
|
||||||
|
|
||||||
[Network]
|
|
||||||
DHCP=no
|
|
||||||
Address=192.168.0.100/24
|
|
||||||
Gateway=192.168.0.1
|
|
||||||
DNS=192.168.0.1
|
|
||||||
```
|
|
||||||
|
|
||||||
**Option 2: Hostname-based Access**
|
|
||||||
Use local hostname resolution instead of IP:
|
|
||||||
```bash
|
|
||||||
# Access via hostname (works for both interfaces)
|
|
||||||
ssh hoborg@ak-homelab.local
|
|
||||||
# or configure local DNS/mDNS
|
|
||||||
```
|
|
||||||
|
|
||||||
**Option 3: Bridge Networking**
|
|
||||||
Create bridge combining both interfaces for automatic failover:
|
|
||||||
```bash
|
|
||||||
# Advanced: Bridge both interfaces
|
|
||||||
ip link add name br0 type bridge
|
|
||||||
ip link set enp3s0 master br0
|
|
||||||
ip link set wlp2s0 master br0
|
|
||||||
```
|
|
||||||
|
|
||||||
**Current Setup:**
|
|
||||||
- Router: 192.168.0.1
|
|
||||||
- Ethernet: 192.168.0.100 (static IP achieved)
|
|
||||||
- WiFi: Static IP needed (same .100)
|
|
||||||
- External: ak-homelab.duckdns.org ✅
|
|
||||||
- SSH: Port 2222 ✅
|
|
||||||
|
|
||||||
**Network Interface Identification:**
|
|
||||||
- **enp3s0f0**: First ethernet port (98:fa:9b:f1:06:d5)
|
|
||||||
- **enp4s0**: Second ethernet port (98:fa:9b:f1:06:d4) ← **Use this one**
|
|
||||||
- **wlp1s0**: WiFi interface (0c:dd:24:e6:0f:87)
|
|
||||||
|
|
||||||
**Issue Solved:** Dual ethernet ports caused MAC address confusion when cable was moved between ports. Stick to enp4s0 consistently.
|
|
||||||
|
|
||||||
### IP Address Scheme
|
|
||||||
- **Router**: 192.168.0.1
|
|
||||||
- **Homelab server**: 192.168.0.100 (target static IP)
|
|
||||||
- **Current ethernet**: 192.168.0.22 (can migrate to .100)
|
|
||||||
- **DHCP range**: 192.168.0.10-99 (excluding static IPs)
|
|
||||||
- **VPN subnet**: 10.0.0.0/24
|
|
||||||
|
|
||||||
### DNS Configuration
|
|
||||||
- **Primary DNS**: Router (192.168.1.1)
|
|
||||||
- **Secondary DNS**: 1.1.1.1, 8.8.8.8
|
|
||||||
- **Local domain**: homelab.local
|
|
||||||
- **Dynamic DNS**: ak-homelab.duckdns.org
|
|
||||||
|
|
||||||
### Service Architecture
|
|
||||||
```
|
|
||||||
Internet → Router → Homelab Server
|
|
||||||
↓
|
|
||||||
┌─────────────────────────────┐
|
|
||||||
│ SSH (2222) │
|
|
||||||
│ WireGuard VPN (51820) │
|
|
||||||
│ Web Services (80/443) │
|
|
||||||
│ Monitoring & Logging │
|
|
||||||
└─────────────────────────────┘
|
|
||||||
```
|
|
||||||
|
|
||||||
## Backup and Recovery
|
|
||||||
|
|
||||||
### Configuration Backups
|
|
||||||
- **SSH keys**: Store securely, separate from server
|
|
||||||
- **WireGuard configs**: Document peer configurations
|
|
||||||
- **Firewall rules**: Export UFW rules with `ufw status numbered`
|
|
||||||
|
|
||||||
### Network Documentation
|
|
||||||
- **IP mappings**: Document static assignments
|
|
||||||
- **Port forwards**: List all forwarded ports and purposes
|
|
||||||
- **Access credentials**: Secure storage of passwords/keys
|
|
||||||
223
services.md
223
services.md
@@ -1,223 +0,0 @@
|
|||||||
# Services & Applications
|
|
||||||
|
|
||||||
Planning and configuration for self-hosted services and applications.
|
|
||||||
|
|
||||||
## Git Repository Hosting
|
|
||||||
|
|
||||||
### Service Options
|
|
||||||
- **Gitea**: Lightweight, Go-based, minimal resource usage ✅ *Recommended*
|
|
||||||
- **Forgejo**: Gitea fork, community-driven development
|
|
||||||
- **GitLab CE**: Feature-rich but more resource intensive
|
|
||||||
- **Gogs**: Simple, lightweight alternative
|
|
||||||
|
|
||||||
### Gitea Installation
|
|
||||||
```bash
|
|
||||||
# Create gitea user
|
|
||||||
sudo useradd -r -s /bin/false -d /var/lib/gitea gitea
|
|
||||||
|
|
||||||
# Download and install
|
|
||||||
wget https://dl.gitea.io/gitea/latest/gitea-linux-amd64
|
|
||||||
sudo mv gitea-linux-amd64 /usr/local/bin/gitea
|
|
||||||
sudo chmod +x /usr/local/bin/gitea
|
|
||||||
|
|
||||||
# Create directories
|
|
||||||
sudo mkdir -p /var/lib/gitea/{custom,data,log}
|
|
||||||
sudo chown -R gitea:gitea /var/lib/gitea/
|
|
||||||
sudo chmod -R 750 /var/lib/gitea/
|
|
||||||
```
|
|
||||||
|
|
||||||
### Configuration
|
|
||||||
- **Database**: SQLite for simplicity, PostgreSQL for production
|
|
||||||
- **Port**: 3000 (internal), reverse proxy for HTTPS
|
|
||||||
- **SSH**: Port 2222 for git operations
|
|
||||||
- **Features**: Web interface, issue tracking, organizations
|
|
||||||
|
|
||||||
## Cloud Storage Solutions
|
|
||||||
|
|
||||||
### Service Options
|
|
||||||
- **Copyparty**: Quite new self-hosted file storage solution, must investigate!
|
|
||||||
- **Nextcloud**: Full-featured, extensive app ecosystem ✅ *Recommended*
|
|
||||||
- **ownCloud**: Original project, stable and mature
|
|
||||||
- **Seafile**: Performance-focused file sync
|
|
||||||
- **Syncthing**: Decentralized sync (no server needed)
|
|
||||||
|
|
||||||
### Nextcloud Installation
|
|
||||||
```bash
|
|
||||||
# Via snap (recommended)
|
|
||||||
sudo snap install nextcloud
|
|
||||||
|
|
||||||
# Or via Docker
|
|
||||||
docker run -d \
|
|
||||||
--name nextcloud \
|
|
||||||
-p 8080:80 \
|
|
||||||
-v nextcloud_data:/var/www/html \
|
|
||||||
nextcloud
|
|
||||||
```
|
|
||||||
Personal notes: Not a fan of snap, isn't there an AUR package?
|
|
||||||
Go with docker otherwise
|
|
||||||
|
|
||||||
### Features
|
|
||||||
- File synchronization across devices
|
|
||||||
- Video files, game installers -> high prio
|
|
||||||
- Self-hosted git mirrors of favorite FOSS projects -> medium prio
|
|
||||||
- Calendar and contacts (CalDAV/CardDAV) -> low prio
|
|
||||||
- Document editing (OnlyOffice/Collabora) -> low prio
|
|
||||||
- Photo management and sharing -> low prio
|
|
||||||
- Mobile apps available?
|
|
||||||
|
|
||||||
## Media Management
|
|
||||||
|
|
||||||
### Jellyfin Media Server
|
|
||||||
```bash
|
|
||||||
# Install via AUR
|
|
||||||
yay -S jellyfin-server jellyfin-web
|
|
||||||
|
|
||||||
# Enable service
|
|
||||||
sudo systemctl enable jellyfin
|
|
||||||
sudo systemctl start jellyfin
|
|
||||||
```
|
|
||||||
|
|
||||||
Configuration:
|
|
||||||
- **Port**: 8096 (web interface)
|
|
||||||
- **Media paths**: `/data/movies`, `/data/tv`, `/data/music`
|
|
||||||
- **Transcoding**: Hardware acceleration if available
|
|
||||||
|
|
||||||
### Photo Management
|
|
||||||
- **PhotoPrism**: AI-powered photo management
|
|
||||||
- **Immich**: Modern photo backup solution
|
|
||||||
- **LibrePhotos**: Privacy-focused alternative
|
|
||||||
|
|
||||||
## Monitoring & Logging
|
|
||||||
|
|
||||||
### System Monitoring
|
|
||||||
```bash
|
|
||||||
# Prometheus + Grafana stack
|
|
||||||
docker-compose up -d prometheus grafana node-exporter
|
|
||||||
```
|
|
||||||
|
|
||||||
### Log Management
|
|
||||||
- **Centralized logging**: rsyslog or journald
|
|
||||||
- **Log rotation**: logrotate configuration
|
|
||||||
- **Analysis**: grep, awk, or ELK stack for advanced needs
|
|
||||||
|
|
||||||
### Health Checks
|
|
||||||
- **Uptime monitoring**: Simple HTTP checks
|
|
||||||
- **Service status**: systemd service monitoring
|
|
||||||
- **Disk space**: Automated alerts for low space
|
|
||||||
|
|
||||||
## Containerization Strategy
|
|
||||||
|
|
||||||
### Docker Setup
|
|
||||||
```bash
|
|
||||||
# Install Docker
|
|
||||||
pacman -S docker docker-compose
|
|
||||||
sudo systemctl enable docker
|
|
||||||
|
|
||||||
# Add user to docker group
|
|
||||||
sudo usermod -aG docker hoborg
|
|
||||||
```
|
|
||||||
|
|
||||||
### Container Management
|
|
||||||
- **Orchestration**: Docker Compose for multi-service apps
|
|
||||||
- **Storage**: Named volumes for persistent data
|
|
||||||
- **Networking**: Custom networks for service isolation
|
|
||||||
- **Updates**: Watchtower for automated updates
|
|
||||||
|
|
||||||
## Reverse Proxy Configuration
|
|
||||||
|
|
||||||
### Nginx Setup
|
|
||||||
```bash
|
|
||||||
# Install nginx
|
|
||||||
pacman -S nginx certbot certbot-nginx
|
|
||||||
|
|
||||||
# Basic configuration
|
|
||||||
server {
|
|
||||||
server_name ak-homelab.duckdns.org;
|
|
||||||
|
|
||||||
location /gitea/ {
|
|
||||||
proxy_pass http://localhost:3000/;
|
|
||||||
proxy_set_header Host $host;
|
|
||||||
proxy_set_header X-Real-IP $remote_addr;
|
|
||||||
}
|
|
||||||
|
|
||||||
location /nextcloud/ {
|
|
||||||
proxy_pass http://localhost:8080/;
|
|
||||||
proxy_set_header Host $host;
|
|
||||||
proxy_set_header X-Real-IP $remote_addr;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
```
|
|
||||||
|
|
||||||
### SSL Certificates
|
|
||||||
```bash
|
|
||||||
# Let's Encrypt via certbot
|
|
||||||
sudo certbot --nginx -d ak-homelab.duckdns.org
|
|
||||||
```
|
|
||||||
|
|
||||||
## Backup Strategy
|
|
||||||
|
|
||||||
### Configuration Backups
|
|
||||||
- **Service configs**: Docker volumes, /etc configs
|
|
||||||
- **Database dumps**: Regular automated backups
|
|
||||||
- **Storage**: External drive or cloud backup
|
|
||||||
|
|
||||||
### Automated Backups
|
|
||||||
```bash
|
|
||||||
#!/bin/bash
|
|
||||||
# backup-services.sh
|
|
||||||
DATE=$(date +%Y%m%d)
|
|
||||||
|
|
||||||
# Backup Gitea
|
|
||||||
tar -czf /backup/gitea-$DATE.tar.gz /var/lib/gitea/
|
|
||||||
|
|
||||||
# Backup Nextcloud data
|
|
||||||
rsync -av /var/snap/nextcloud/common/nextcloud/data/ /backup/nextcloud-$DATE/
|
|
||||||
|
|
||||||
# Database backup
|
|
||||||
sudo -u postgres pg_dump gitea > /backup/gitea-db-$DATE.sql
|
|
||||||
```
|
|
||||||
|
|
||||||
## Resource Planning
|
|
||||||
|
|
||||||
### Hardware Requirements
|
|
||||||
- **RAM**: 4GB minimum, 8GB recommended
|
|
||||||
- **Storage**:
|
|
||||||
- System: 50GB SSD
|
|
||||||
- Data: 1TB+ HDD for media/files
|
|
||||||
- **Network**: Gigabit Ethernet preferred
|
|
||||||
|
|
||||||
### Service Resource Usage
|
|
||||||
| Service | RAM | CPU | Storage | Port |
|
|
||||||
|---------|-----|-----|---------|------|
|
|
||||||
| Gitea | 200MB | Low | 5GB+ | 3000 |
|
|
||||||
| Nextcloud | 512MB | Medium | 10GB+ | 8080 |
|
|
||||||
| Jellyfin | 1GB | High* | Media | 8096 |
|
|
||||||
| Monitoring | 500MB | Low | 2GB | 3000/9090 |
|
|
||||||
|
|
||||||
*High during transcoding
|
|
||||||
|
|
||||||
## Security Considerations
|
|
||||||
|
|
||||||
### Service Hardening
|
|
||||||
- **Regular updates**: Automated security patches
|
|
||||||
- **Access control**: VPN-only access when possible
|
|
||||||
- **Authentication**: Strong passwords, 2FA where available
|
|
||||||
- **Network isolation**: Separate VLANs or containers
|
|
||||||
|
|
||||||
### Data Protection
|
|
||||||
- **Encryption**: Full disk encryption (LUKS)
|
|
||||||
- **Backups**: Encrypted offsite backups
|
|
||||||
- **Access logs**: Monitor service access patterns
|
|
||||||
- **Fail2ban**: Automatic IP blocking for repeated failures
|
|
||||||
|
|
||||||
## Future Expansion
|
|
||||||
|
|
||||||
### Additional Services to Consider
|
|
||||||
- **Home Assistant**: ABSOLUTELY NOT
|
|
||||||
- **Bitwarden/Vaultwarden**: Password management
|
|
||||||
- How is this better than keepassxc + filesync?
|
|
||||||
- **Pi-hole**: Network-wide ad blocking
|
|
||||||
- **Wireguard UI**: Web interface for VPN management
|
|
||||||
- **Bookstack**: Documentation wiki
|
|
||||||
- What is this for? How does it compare to Logseq?
|
|
||||||
- **FreshRSS**: RSS feed aggregator
|
|
||||||
158
system-setup.md
158
system-setup.md
@@ -1,158 +0,0 @@
|
|||||||
# System Setup Guide
|
|
||||||
|
|
||||||
Complete guide for Arch Linux installation and system configuration.
|
|
||||||
|
|
||||||
## Initial Installation
|
|
||||||
|
|
||||||
### Pre-installation
|
|
||||||
1. Boot from Arch ISO
|
|
||||||
2. Verify boot mode: `ls /sys/firmware/efi/efivars`
|
|
||||||
3. Connect to internet: `iwctl` for WiFi
|
|
||||||
4. Update system clock: `timedatectl set-ntp true`
|
|
||||||
|
|
||||||
### Disk Preparation
|
|
||||||
1. List disks: `fdisk -l`
|
|
||||||
2. Partition the disk: `cfdisk /dev/sdX`
|
|
||||||
- EFI partition: 512M, type EFI System
|
|
||||||
- Root partition: remaining space, type Linux filesystem
|
|
||||||
3. Format partitions:
|
|
||||||
```bash
|
|
||||||
mkfs.fat -F32 /dev/sdX1 # EFI
|
|
||||||
mkfs.ext4 /dev/sdX2 # Root
|
|
||||||
```
|
|
||||||
4. Mount filesystems:
|
|
||||||
```bash
|
|
||||||
mount /dev/sdX2 /mnt
|
|
||||||
mkdir /mnt/boot
|
|
||||||
mount /dev/sdX1 /mnt/boot
|
|
||||||
```
|
|
||||||
Current partition setup is a quite fragmented leftover from my dual-booting days. Later we should wipe the leftover
|
|
||||||
Windows drive for extra storage, but first we should confirm there's no essential files there
|
|
||||||
(unlikely since it wasn't booted for months, mostly using other windows PC)
|
|
||||||
|
|
||||||
### System Installation
|
|
||||||
1. Install base packages: `pacstrap /mnt base linux linux-firmware`
|
|
||||||
2. Generate fstab: `genfstab -U /mnt >> /mnt/etc/fstab`
|
|
||||||
3. Chroot: `arch-chroot /mnt`
|
|
||||||
4. Set timezone: `ln -sf /usr/share/zoneinfo/Europe/Budapest /etc/localtime`
|
|
||||||
5. Generate hardware clock: `hwclock --systohc`
|
|
||||||
6. Configure locale:
|
|
||||||
- Edit `/etc/locale.gen`, uncomment `en_US.UTF-8 UTF-8`
|
|
||||||
- Run: `locale-gen`
|
|
||||||
- Create `/etc/locale.conf`: `LANG=en_US.UTF-8`
|
|
||||||
7. Set hostname: `echo "homelab" > /etc/hostname`
|
|
||||||
8. Configure hosts file
|
|
||||||
9. Set root password: `passwd`
|
|
||||||
10. Install bootloader: `pacman -S grub efibootmgr`
|
|
||||||
11. Install GRUB: `grub-install --target=x86_64-efi --efi-directory=/boot --bootloader-id=GRUB`
|
|
||||||
12. Generate config: `grub-mkconfig -o /boot/grub/grub.cfg`
|
|
||||||
|
|
||||||
## Post-Installation Setup
|
|
||||||
|
|
||||||
### User Management
|
|
||||||
```bash
|
|
||||||
# Create user
|
|
||||||
useradd -m -G wheel -s /bin/bash hoborg
|
|
||||||
passwd hoborg
|
|
||||||
|
|
||||||
# Configure sudo
|
|
||||||
pacman -S sudo
|
|
||||||
visudo # Uncomment %wheel ALL=(ALL) ALL
|
|
||||||
```
|
|
||||||
|
|
||||||
### Essential Packages
|
|
||||||
```bash
|
|
||||||
pacman -S git base-devel openssh networkmanager
|
|
||||||
systemctl enable NetworkManager
|
|
||||||
systemctl enable sshd
|
|
||||||
```
|
|
||||||
|
|
||||||
### AUR Access
|
|
||||||
```bash
|
|
||||||
# Install yay AUR helper
|
|
||||||
git clone https://aur.archlinux.org/yay.git
|
|
||||||
cd yay
|
|
||||||
makepkg -si
|
|
||||||
```
|
|
||||||
|
|
||||||
## Desktop Environment
|
|
||||||
|
|
||||||
### XFCE Installation
|
|
||||||
```bash
|
|
||||||
pacman -S xfce4 xfce4-goodies lightdm lightdm-gtk-greeter
|
|
||||||
systemctl enable lightdm
|
|
||||||
```
|
|
||||||
|
|
||||||
### Themes and Appearance
|
|
||||||
- **Window Manager Theme**: Matcha-dark-aliz
|
|
||||||
- **Icons**: Papirus-Maia
|
|
||||||
- **Fonts**:
|
|
||||||
- System: Install Nerd Fonts (`ttf-iosevkaterm-nerd ttf-jetbrains-mono-nerd`)
|
|
||||||
- TTY: ter-124b (12x24 bold)
|
|
||||||
|
|
||||||
## Development Environment
|
|
||||||
|
|
||||||
### Dotfiles Management
|
|
||||||
```bash
|
|
||||||
# Install yadm
|
|
||||||
pacman -S yadm
|
|
||||||
|
|
||||||
# Clone dotfiles
|
|
||||||
yadm clone git@gitlab.com:akrejczinger/dotfiles.git
|
|
||||||
```
|
|
||||||
|
|
||||||
### Shell Configuration
|
|
||||||
- **Shell**: zsh with antidote plugin manager
|
|
||||||
- **Terminal**: wezterm with Catppuccin theme
|
|
||||||
- **Multiplexer**: tmux with catppuccin theme and temperature monitoring
|
|
||||||
- **Editor**: neovim with lazy.nvim plugin manager
|
|
||||||
|
|
||||||
### Key Configurations
|
|
||||||
- **Keyboard Layout**: Colemak (US variant in X11)
|
|
||||||
- **TTY Layout**: Colemak with caps lock → backspace via systemd service
|
|
||||||
- **Font Fallbacks**: Noto fonts for Unicode support
|
|
||||||
|
|
||||||
## TTY Configuration
|
|
||||||
|
|
||||||
### Font and Layout
|
|
||||||
```bash
|
|
||||||
# Configure /etc/vconsole.conf
|
|
||||||
KEYMAP=colemak
|
|
||||||
FONT=ter-124b
|
|
||||||
FONT_MAP=8859-1
|
|
||||||
```
|
|
||||||
|
|
||||||
### Caps Lock Fix
|
|
||||||
Caps lock mapped to backspace via systemd service:
|
|
||||||
```bash
|
|
||||||
# /etc/systemd/system/caps-backspace.service
|
|
||||||
sudo setkeycodes 3a 14 # Map caps scancode to backspace keycode
|
|
||||||
```
|
|
||||||
|
|
||||||
### Color Scheme
|
|
||||||
TTY colors configured in `.zshrc` for better readability.
|
|
||||||
|
|
||||||
## System Maintenance
|
|
||||||
|
|
||||||
### Package Management
|
|
||||||
- Regular updates: `yay -Syu`
|
|
||||||
- Orphaned packages: `yay -Yc`
|
|
||||||
- Cache cleanup: `yay -Sc`
|
|
||||||
|
|
||||||
### Backup Strategy
|
|
||||||
- Dotfiles: yadm + git repository
|
|
||||||
- System configs: Document in this guide
|
|
||||||
- User data: External backup solution
|
|
||||||
|
|
||||||
## Hardware-Specific Notes
|
|
||||||
|
|
||||||
### ThinkPad Optimizations
|
|
||||||
- **Temperature Monitoring**: Available via `sensors` command
|
|
||||||
- **Battery Management**: TLP for power optimization
|
|
||||||
- **Trackpad**: libinput with natural scrolling
|
|
||||||
- **Function Keys**: Media keys work out of box
|
|
||||||
|
|
||||||
### Network Configuration
|
|
||||||
- **WiFi**: NetworkManager with GUI applet
|
|
||||||
- **Ethernet**: Automatic DHCP
|
|
||||||
- **Bluetooth**: bluez with pulseaudio integration
|
|
||||||
@@ -1,312 +0,0 @@
|
|||||||
# Bluetooth keeps disconnecting - reconnecting
|
|
||||||
|
|
||||||
Solution: Change config in /etc/bluetooth/main.conf
|
|
||||||
`ControllerMode = bredr`
|
|
||||||
Then `sudo systemctl restart bluetooth`
|
|
||||||
|
|
||||||
UPDATE: It's still not fixed :(
|
|
||||||
Trying `yay -S pipewire wireplumber`
|
|
||||||
TODO test it again
|
|
||||||
|
|
||||||
# Touchpad scroll direction (libinput)
|
|
||||||
|
|
||||||
To change touchpad scroll direction on Arch Linux using libinput driver:
|
|
||||||
|
|
||||||
## Investigation steps:
|
|
||||||
1. Check which driver is used: `pacman -Q | grep -E "(synaptics|libinput)"`
|
|
||||||
2. Verify libinput config exists: `ls /usr/share/X11/xorg.conf.d/ | grep libinput`
|
|
||||||
|
|
||||||
## Solution for libinput:
|
|
||||||
Create `/etc/X11/xorg.conf.d/30-touchpad.conf`:
|
|
||||||
|
|
||||||
```
|
|
||||||
Section "InputClass"
|
|
||||||
Identifier "touchpad"
|
|
||||||
Driver "libinput"
|
|
||||||
MatchIsTouchpad "on"
|
|
||||||
Option "NaturalScrolling" "true"
|
|
||||||
Option "Tapping" "on"
|
|
||||||
Option "TappingDrag" "on"
|
|
||||||
Option "DisableWhileTyping" "on"
|
|
||||||
EndSection
|
|
||||||
```
|
|
||||||
|
|
||||||
Set `NaturalScrolling` to:
|
|
||||||
- `"true"` for macOS-style (natural) scrolling
|
|
||||||
- `"false"` for traditional scrolling
|
|
||||||
|
|
||||||
Restart X11 (log out/in) or reboot to apply changes.
|
|
||||||
|
|
||||||
## Alternative: Synaptics driver (legacy)
|
|
||||||
|
|
||||||
If using the older synaptics driver instead of libinput:
|
|
||||||
|
|
||||||
### Investigation steps:
|
|
||||||
1. Check for synaptics: `pacman -Q xf86-input-synaptics`
|
|
||||||
2. Look for config: `ls /usr/share/X11/xorg.conf.d/ | grep synaptics`
|
|
||||||
|
|
||||||
### Solution:
|
|
||||||
Create `/etc/X11/xorg.conf.d/70-synaptics.conf`:
|
|
||||||
|
|
||||||
```
|
|
||||||
Section "InputClass"
|
|
||||||
Identifier "touchpad"
|
|
||||||
Driver "synaptics"
|
|
||||||
MatchIsTouchpad "on"
|
|
||||||
MatchDevicePath "/dev/input/event*"
|
|
||||||
Option "VertScrollDelta" "-111"
|
|
||||||
Option "HorizScrollDelta" "-111"
|
|
||||||
Option "TapButton1" "1"
|
|
||||||
Option "TapButton2" "3"
|
|
||||||
Option "TapButton3" "2"
|
|
||||||
Option "PalmDetect" "1"
|
|
||||||
Option "SHMConfig" "on"
|
|
||||||
EndSection
|
|
||||||
```
|
|
||||||
|
|
||||||
Synaptics scroll direction options:
|
|
||||||
- `VertScrollDelta` and `HorizScrollDelta`:
|
|
||||||
- Positive values (e.g., `"111"`) for traditional scrolling
|
|
||||||
- Negative values (e.g., `"-111"`) for natural/reversed scrolling
|
|
||||||
|
|
||||||
**Note:** libinput is the modern standard. Consider switching from synaptics to libinput for better support and features.
|
|
||||||
|
|
||||||
# Theme switching issues
|
|
||||||
|
|
||||||
## Cross-application theme synchronization
|
|
||||||
|
|
||||||
**Issue:** Need to synchronize theme (light/dark) across tmux, nvim, and other terminal applications.
|
|
||||||
|
|
||||||
**Solution:** File-based theme management system using `~/.vim_theme`:
|
|
||||||
|
|
||||||
### Setup:
|
|
||||||
|
|
||||||
1. **Create theme switcher script** (`~/.config/tmux/themeswitch.sh`):
|
|
||||||
```bash
|
|
||||||
#!/bin/bash
|
|
||||||
if [ -f ~/.vim_theme ] && [ "$(cat ~/.vim_theme)" = "light" ]; then
|
|
||||||
tmux set -g @catppuccin_flavor "latte"
|
|
||||||
else
|
|
||||||
tmux set -g @catppuccin_flavor "mocha"
|
|
||||||
fi
|
|
||||||
```
|
|
||||||
|
|
||||||
2. **Add to tmux config** (`~/.config/tmux/tmux.conf`):
|
|
||||||
```bash
|
|
||||||
# Dynamic theme switching based on ~/.vim_theme file
|
|
||||||
run 'bash ~/.config/tmux/themeswitch.sh'
|
|
||||||
```
|
|
||||||
|
|
||||||
3. **Add to shell config** (`~/.zshrc`):
|
|
||||||
```bash
|
|
||||||
# Export THEME environment variable for nvim and other apps
|
|
||||||
if [ -f ~/.vim_theme ]; then
|
|
||||||
export THEME=$(cat ~/.vim_theme)
|
|
||||||
else
|
|
||||||
export THEME="dark" # default
|
|
||||||
fi
|
|
||||||
```
|
|
||||||
|
|
||||||
### Usage:
|
|
||||||
```bash
|
|
||||||
# Switch to light theme
|
|
||||||
echo "light" > ~/.vim_theme
|
|
||||||
|
|
||||||
# Switch to dark theme
|
|
||||||
echo "dark" > ~/.vim_theme
|
|
||||||
```
|
|
||||||
|
|
||||||
### Benefits:
|
|
||||||
- ✅ **Single source of truth:** `~/.vim_theme` file controls all applications
|
|
||||||
- ✅ **Automatic propagation:** New terminals inherit theme via shell config
|
|
||||||
- ✅ **No environment variable issues:** File-based approach avoids tmux env var propagation problems
|
|
||||||
- ✅ **Cross-application support:** nvim reads `$THEME`, tmux uses catppuccin flavors
|
|
||||||
|
|
||||||
### Limitations:
|
|
||||||
- **Tmux live reload:** Changes require tmux config reload or session restart
|
|
||||||
- **Workaround:** Use tmux-resurrect to quickly restore sessions after restart
|
|
||||||
|
|
||||||
## Legacy: Tmux and terminal not updating after theme switch
|
|
||||||
|
|
||||||
**Issue:** After running the theme switcher script, tmux sessions and existing terminals don't reflect the new theme until restarted.
|
|
||||||
|
|
||||||
**Temporary workaround:**
|
|
||||||
- Restart tmux sessions: `tmux kill-server && tmux`
|
|
||||||
- Open new terminal windows
|
|
||||||
|
|
||||||
**Status:** ✅ **Solved** - Use file-based theme management system above
|
|
||||||
|
|
||||||
## Tmux window names showing hostname instead of command
|
|
||||||
|
|
||||||
**Issue:** Tmux windows show "homelab" (hostname) for inactive tabs but correct command names for active tabs.
|
|
||||||
|
|
||||||
**Root cause:** Catppuccin tmux theme with `@catppuccin_window_tabs_enabled on` uses different text formatting for active vs inactive windows.
|
|
||||||
|
|
||||||
**Solution:** Disable catppuccin window tabs:
|
|
||||||
```
|
|
||||||
set -g @catppuccin_window_tabs_enabled off
|
|
||||||
```
|
|
||||||
|
|
||||||
**Alternative:** Configure explicit window text for both states:
|
|
||||||
```
|
|
||||||
set -g @catppuccin_window_default_text "#W"
|
|
||||||
set -g @catppuccin_window_current_text "#W"
|
|
||||||
```
|
|
||||||
|
|
||||||
Also ensure automatic renaming is enabled:
|
|
||||||
```
|
|
||||||
setw -g automatic-rename on
|
|
||||||
setw -g allow-rename on
|
|
||||||
```
|
|
||||||
|
|
||||||
# Font and Unicode Display Issues
|
|
||||||
|
|
||||||
## Missing emoji and unicode symbols
|
|
||||||
|
|
||||||
**Issue:** Emojis show as boxes or missing characters, unicode symbols don't display properly.
|
|
||||||
|
|
||||||
**Solution:** Install comprehensive unicode font packages:
|
|
||||||
```bash
|
|
||||||
sudo pacman -S noto-fonts-emoji noto-fonts-extra
|
|
||||||
fc-cache -f
|
|
||||||
```
|
|
||||||
|
|
||||||
## Nerd Font icons not displaying
|
|
||||||
|
|
||||||
**Issue:** Developer icons (programming languages, git symbols, file types) show as blank spaces or boxes.
|
|
||||||
|
|
||||||
**Root cause:** Terminal emulator not configured to use Nerd Font as primary font.
|
|
||||||
|
|
||||||
**Solution:**
|
|
||||||
1. Install Nerd Fonts:
|
|
||||||
```bash
|
|
||||||
sudo pacman -S ttf-iosevkaterm-nerd ttf-jetbrains-mono-nerd
|
|
||||||
fc-cache -f
|
|
||||||
```
|
|
||||||
|
|
||||||
2. Configure terminal to use Nerd Font as primary font
|
|
||||||
3. For wezterm, ensure config includes:
|
|
||||||
```lua
|
|
||||||
config.font = wezterm.font_with_fallback {
|
|
||||||
'IosevkaTerm Nerd Font',
|
|
||||||
'JetBrainsMono Nerd Font Mono',
|
|
||||||
'Noto Color Emoji'
|
|
||||||
}
|
|
||||||
```
|
|
||||||
|
|
||||||
**Testing:** Use printf with direct codepoints:
|
|
||||||
```bash
|
|
||||||
printf "Icons: \\ue702 \\uf121 \\uf015 \\uf07b\\n"
|
|
||||||
```
|
|
||||||
|
|
||||||
## Ancient/exotic script support
|
|
||||||
|
|
||||||
**Comprehensive coverage achieved with:**
|
|
||||||
- `noto-fonts` (base unicode)
|
|
||||||
- `noto-fonts-cjk` (Chinese/Japanese/Korean)
|
|
||||||
- `noto-fonts-emoji` (color emoji)
|
|
||||||
- `noto-fonts-extra` (additional scripts)
|
|
||||||
|
|
||||||
Successfully displays: Egyptian hieroglyphs, Cuneiform, Nordic runes, Hungarian rovás, Arabic, Chinese, Japanese, Korean, Thai, Hindi, Hebrew, Greek, Tamil.
|
|
||||||
|
|
||||||
# Cannot tile windows by drag and dropping
|
|
||||||
|
|
||||||
Keyboard workaround: Go to Settings > Window Manager > Keyboard, set up tiling shortcuts (set to Super+arrow keys)
|
|
||||||
|
|
||||||
# Additional Known Issues (TODO Items)
|
|
||||||
|
|
||||||
## Tmux battery indicator missing until config reload
|
|
||||||
|
|
||||||
**Issue:** Battery indicator doesn't appear in tmux status line immediately after starting tmux.
|
|
||||||
|
|
||||||
**Temporary workaround:** Reload tmux config with `Prefix + r` or restart tmux session.
|
|
||||||
|
|
||||||
**Status:** Investigation needed
|
|
||||||
|
|
||||||
## TTY fallbacks needed
|
|
||||||
|
|
||||||
**Issue:** When not in X11/graphical mode, nvim and tmux need proper fallback configurations.
|
|
||||||
|
|
||||||
**Status:** Completed
|
|
||||||
|
|
||||||
**Solutions implemented:**
|
|
||||||
- ✅ **nvim:** TTY detection and color scheme fallback configured
|
|
||||||
- ✅ **Font:** Selected ter-124b (12x24 bold) for good readability
|
|
||||||
- ✅ **Keyboard:** Colemak layout with caps lock remapped to backspace
|
|
||||||
- ✅ **Caps lock fix:** Uses systemd service with `setkeycodes 3a 14`
|
|
||||||
|
|
||||||
**Configuration files:**
|
|
||||||
- `/etc/systemd/system/caps-backspace.service` - Permanent caps lock remapping
|
|
||||||
- TTY font testing script: `~/.local/scripts/test-fonts.sh`
|
|
||||||
|
|
||||||
## TTY Caps Lock Not Working as Backspace
|
|
||||||
|
|
||||||
**Issue:** With colemak keymap loaded, caps lock acts like Control instead of backspace in TTY.
|
|
||||||
|
|
||||||
**Root cause:** Colemak keymap maps caps lock to Control, which conflicts with tmux navigation keys.
|
|
||||||
|
|
||||||
**Solution:** Use `setkeycodes` to remap at scancode level:
|
|
||||||
```bash
|
|
||||||
sudo setkeycodes 3a 14 # Map caps lock scancode to backspace keycode
|
|
||||||
```
|
|
||||||
|
|
||||||
**Permanent fix:** Systemd service created at `/etc/systemd/system/caps-backspace.service`
|
|
||||||
|
|
||||||
## Laptop sleeps when lid is closed
|
|
||||||
|
|
||||||
Solution:
|
|
||||||
|
|
||||||
sudo nvim /etc/systemd/logind.conf
|
|
||||||
|
|
||||||
Uncomment and change these lines:
|
|
||||||
|
|
||||||
```
|
|
||||||
HandleLidSwitch=ignore
|
|
||||||
HandleLidSwitchExternalPower=ignore
|
|
||||||
HandleLidSwitchDocked=ignore
|
|
||||||
```
|
|
||||||
|
|
||||||
Then restart service:
|
|
||||||
`sudo systemctl restart systemd-logind`
|
|
||||||
|
|
||||||
## IP addresses keep changing
|
|
||||||
|
|
||||||
Due to 3 interfaces:
|
|
||||||
* Wifi
|
|
||||||
* Ethernet left port (ThinkPad adapter) - Wired Connection 1
|
|
||||||
* Ethernet right port (regular ethernet cable) - Wired Connection 2
|
|
||||||
|
|
||||||
### Proposed solution
|
|
||||||
|
|
||||||
* Stick with wired2
|
|
||||||
|
|
||||||
● Configure static IP for "Wired connection 2" (enp4s0):
|
|
||||||
|
|
||||||
* Set static IP to 192.168.0.100
|
|
||||||
sudo nmcli connection modify "Wired connection 2" \
|
|
||||||
ipv4.method manual \
|
|
||||||
ipv4.addresses 192.168.0.100/24 \
|
|
||||||
ipv4.gateway 192.168.0.1 \
|
|
||||||
ipv4.dns 192.168.0.1
|
|
||||||
|
|
||||||
* Apply the changes
|
|
||||||
sudo nmcli connection up "Wired connection 2"
|
|
||||||
|
|
||||||
Then configure WiFi with the same static IP:
|
|
||||||
|
|
||||||
* First connect to your WiFi if not already
|
|
||||||
sudo nmcli connection up "Telekom-4b28df-2.4GHz"
|
|
||||||
|
|
||||||
* Set same static IP for WiFi
|
|
||||||
sudo nmcli connection modify "Telekom-4b28df-2.4GHz" \
|
|
||||||
ipv4.method manual \
|
|
||||||
ipv4.addresses 192.168.0.100/24 \
|
|
||||||
ipv4.gateway 192.168.0.1 \
|
|
||||||
ipv4.dns 192.168.0.1
|
|
||||||
|
|
||||||
Verify the configuration:
|
|
||||||
nmcli connection show "Wired connection 2" | grep ipv4
|
|
||||||
ip addr show enp4s0
|
|
||||||
|
|
||||||
This way both your ethernet (enp4s0) and WiFi will use 192.168.0.100, solving your dual interface IP issue.
|
|
||||||
Ready to run these commands?
|
|
||||||
Reference in New Issue
Block a user