Enhanced game documentation with comprehensive installation and configuration details
Co-authored-by: iaretechnician <2749183+iaretechnician@users.noreply.github.com>
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<?php
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/**
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* Valheim Dedicated Server - Comprehensive Hosting Guide
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* Valheim Server Documentation - Comprehensive Guide
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* General game server hosting information (not platform-specific)
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*/
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?>
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<div style="background: #1e3a5f; padding: 20px; border-left: 4px solid #3b82f6; margin: 20px 0; border-radius: 4px;">
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<h3 style="color: #ffffff; margin-top: 0;">📚 Navigation</h3>
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<h3 style="color: #ffffff; margin-top: 0;">📚 Quick Navigation</h3>
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<div style="display: flex; flex-wrap: wrap; gap: 10px;">
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<a href="#quick-info" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">Overview</a>
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<a href="#quick-info" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">Quick Info</a>
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<a href="#ports" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">🔌 Ports</a>
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<a href="#installation" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">Installation</a>
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<a href="#configuration" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">⚙️ Configuration</a>
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<a href="#parameters" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">Parameters</a>
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<a href="#configuration" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">Configuration</a>
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<a href="#parameters" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">⚙️ Startup Parameters</a>
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<a href="#troubleshooting" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">🔧 Troubleshooting</a>
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<a href="#performance" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">Performance</a>
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<a href="#security" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">Security</a>
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</div>
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</div>
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<h1>Valheim Dedicated Server Hosting Guide</h1>
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<h1>Valheim Server Hosting Guide</h1>
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<h2>Overview</h2>
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<p>Valheim is a brutal survival and exploration game for 1-10 players set in a procedurally-generated purgatory inspired by Viking culture. This comprehensive guide covers everything you need to know about hosting a Valheim dedicated server on a VPS or dedicated server.</p>
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<p>Valheim is a multiplayer game server that can be hosted on a VPS or dedicated server. This comprehensive guide covers everything you need to know about hosting a Valheim server for your community.</p>
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<h2 id="quick-info">Quick Info</h2>
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<div style="background: #1e3a5f; padding: 20px; border-left: 4px solid #3b82f6; margin: 20px 0; border-radius: 4px;">
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<ul style="color: #e5e7eb; line-height: 1.8; margin: 0;">
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<li><strong style="color: #ffffff;">Default Ports:</strong> <code style="background: #0f172a; padding: 2px 6px; border-radius: 3px; color: #a5b4fc;">2456-2458</code> (UDP)</li>
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<li><strong style="color: #ffffff;">Protocol:</strong> UDP (Steam connectivity)</li>
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<li><strong style="color: #ffffff;">Minimum RAM:</strong> 4GB (Recommended: 8GB+)</li>
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<li><strong style="color: #ffffff;">Recommended CPU:</strong> 2+ cores @ 3.5GHz (4+ for 5+ players)</li>
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<li><strong style="color: #ffffff;">Storage:</strong> 5GB+ for game files, additional for worlds</li>
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<li><strong style="color: #ffffff;">Max Players:</strong> 10 vanilla (higher with mods, may cause lag)</li>
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<li><strong style="color: #ffffff;">SteamCMD App ID:</strong> 896660</li>
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<li><strong style="color: #ffffff;">Startup Scripts:</strong> start_headless_server.bat (Windows) / start_server.sh (Linux)</li>
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<li><strong style="color: #ffffff;">Default Port:</strong> <code style="background: #0f172a; padding: 2px 6px; border-radius: 3px; color: #a5b4fc;">Varies (see configuration)</code></li>
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<li><strong style="color: #ffffff;">Protocol:</strong> TCP/UDP</li>
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<li><strong style="color: #ffffff;">Minimum RAM:</strong> 1GB</li>
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<li><strong style="color: #ffffff;">Engine:</strong> Various</li>
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<li><strong style="color: #ffffff;">Steam App ID:</strong> <code style="background: #0f172a; padding: 2px 6px; border-radius: 3px; color: #a5b4fc;">896660</code></li>
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<li><strong style="color: #ffffff;">Recommended OS:</strong> Linux (Ubuntu/Debian) or Windows Server</li>
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</ul>
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</div>
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<h2 id="ports">🔌 Ports Required</h2>
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<table style="width: 100%; border-collapse: collapse; margin: 20px 0; background: #1e3a5f; border-radius: 8px; overflow: hidden;">
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<thead>
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<tr style="background: #0f172a;">
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<th style="padding: 12px; text-align: left; color: #ffffff; border-bottom: 2px solid #3b82f6;">Port</th>
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<th style="padding: 12px; text-align: left; color: #ffffff; border-bottom: 2px solid #3b82f6;">Protocol</th>
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<th style="padding: 12px; text-align: left; color: #ffffff; border-bottom: 2px solid #3b82f6;">Purpose</th>
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<th style="padding: 12px; text-align: left; color: #ffffff; border-bottom: 2px solid #3b82f6;">Required</th>
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</tr>
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</thead>
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<tbody style="color: #e5e7eb;">
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<tr style="background: #1e3a5f;">
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<td style="padding: 12px; border-bottom: 1px solid #334155;"><code style="background: #0f172a; padding: 4px 8px; border-radius: 3px; color: #a5b4fc;">2456</code></td>
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<td style="padding: 12px; border-bottom: 1px solid #334155;"><span style="background: #065f46; padding: 4px 8px; border-radius: 3px; color: #d1fae5;">UDP</span></td>
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<td style="padding: 12px; border-bottom: 1px solid #334155;">Primary game port (client connections)</td>
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<td style="padding: 12px; border-bottom: 1px solid #334155;"><span style="background: #7c2d12; padding: 4px 8px; border-radius: 3px; color: #fed7aa;">✓ Yes</span></td>
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</tr>
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<tr style="background: #152642;">
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<td style="padding: 12px; border-bottom: 1px solid #334155;"><code style="background: #0f172a; padding: 4px 8px; border-radius: 3px; color: #a5b4fc;">2457</code></td>
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<td style="padding: 12px; border-bottom: 1px solid #334155;"><span style="background: #065f46; padding: 4px 8px; border-radius: 3px; color: #d1fae5;">UDP</span></td>
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<td style="padding: 12px; border-bottom: 1px solid #334155;">Steam query port (automatic +1)</td>
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<td style="padding: 12px; border-bottom: 1px solid #334155;"><span style="background: #7c2d12; padding: 4px 8px; border-radius: 3px; color: #fed7aa;">✓ Yes</span></td>
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</tr>
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<tr style="background: #1e3a5f;">
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<td style="padding: 12px;"><code style="background: #0f172a; padding: 4px 8px; border-radius: 3px; color: #a5b4fc;">2458</code></td>
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<td style="padding: 12px;"><span style="background: #065f46; padding: 4px 8px; border-radius: 3px; color: #d1fae5;">UDP</span></td>
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<td style="padding: 12px;">Server browser port (automatic +2)</td>
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<td style="padding: 12px;"><span style="background: #7c2d12; padding: 4px 8px; border-radius: 3px; color: #fed7aa;">✓ Yes</span></td>
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</tr>
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</tbody>
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</table>
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<div style="background: #7c2d12; padding: 15px; border-left: 4px solid #ea580c; margin: 20px 0; border-radius: 4px;">
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<p style="color: #fed7aa; margin: 0;"><strong>Important:</strong> Valheim requires all three consecutive ports. The game automatically uses port+1 and port+2. Always open a range of three consecutive ports starting from your base port (e.g., 2456-2458).</p>
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</div>
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<h3>Firewall Configuration Examples</h3>
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<h4>UFW (Ubuntu/Debian)</h4>
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<pre><code>sudo ufw allow 2456:2458/udp comment 'Valheim server ports'
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<h2 id="ports">🔌 Network Ports</h2>
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<div style="background: #1e3a5f; padding: 20px; border-left: 4px solid #3b82f6; margin: 20px 0; border-radius: 4px;">
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<h3 style="color: #ffffff; margin-top: 0;">Required Ports</h3>
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<p style="color: #e5e7eb;">The Valheim server typically uses a configurable port. Check your server configuration files for the specific port settings.</p>
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<h3 style="color: #ffffff; margin-top: 20px;">Firewall Configuration</h3>
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<p style="color: #e5e7eb;">Allow server ports through your firewall:</p>
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<pre><code style="color: #a5b4fc;"># UFW (Ubuntu/Debian)
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sudo ufw allow [PORT]/tcp
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sudo ufw allow [PORT]/udp
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sudo ufw reload
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</code></pre>
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<h4>FirewallD (CentOS/RHEL/Fedora)</h4>
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<pre><code>sudo firewall-cmd --permanent --add-port=2456-2458/udp
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# FirewallD (CentOS/RHEL)
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sudo firewall-cmd --permanent --add-port=[PORT]/tcp
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sudo firewall-cmd --permanent --add-port=[PORT]/udp
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sudo firewall-cmd --reload
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# Windows Firewall
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netsh advfirewall firewall add rule name="Valheim Server" dir=in action=allow protocol=TCP localport=[PORT]
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netsh advfirewall firewall add rule name="Valheim Server" dir=in action=allow protocol=UDP localport=[PORT]
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</code></pre>
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<h4>Windows Firewall</h4>
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<pre><code># Run in PowerShell as Administrator
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New-NetFirewallRule -DisplayName "Valheim Server" -Direction Inbound -Protocol UDP -LocalPort 2456-2458 -Action Allow
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</code></pre>
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<h4>iptables (Legacy Linux)</h4>
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<pre><code>sudo iptables -A INPUT -p udp --dport 2456:2458 -j ACCEPT
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sudo service iptables save
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</code></pre>
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<h3 style="color: #ffffff; margin-top: 20px;">⚠️ Port Security Notes</h3>
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<ul style="color: #fef3c7; line-height: 1.8;">
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<li>Only open ports that are necessary for the game server to function</li>
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<li>Consider using non-standard ports to reduce automated attacks</li>
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<li>If using cloud hosting, configure security groups properly</li>
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<li>Monitor connection attempts and unusual traffic patterns</li>
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</ul>
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</div>
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<h2 id="installation">Installation & Setup</h2>
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<h3>System Requirements</h3>
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<ul>
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<li><strong>OS:</strong> Windows Server 2016+ or Linux 64-bit (Ubuntu/Debian recommended)</li>
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<li><strong>CPU:</strong> Minimum 2 cores @ 2.4GHz; Recommended 4+ cores @ 3.5GHz+</li>
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<li><strong>RAM:</strong> 4GB minimum, 8GB recommended, 16GB for large groups</li>
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<li><strong>Storage:</strong> 5GB+ for game files, allow extra for world saves and backups</li>
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<li><strong>Network:</strong> 1Mbps minimum upload; 10Mbps+ recommended for stable gameplay</li>
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<li><strong>Bandwidth:</strong> ~1Mbps per player; wired connection strongly recommended</li>
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<li><strong>OS:</strong> Linux (Ubuntu 20.04+ or Debian 11+ recommended) or Windows Server 2019+</li>
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<li><strong>CPU:</strong> 2+ cores recommended (single-threaded performance important for most game servers)</li>
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<li><strong>RAM:</strong> 1GB minimum (more for larger player counts)</li>
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<li><strong>Storage:</strong> 5GB+ for server files (SSD recommended for better performance)</li>
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<li><strong>Network:</strong> Stable internet connection with low latency</li>
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</ul>
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<h3>Installing via Steam (Windows)</h3>
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<pre><code>1. Open Steam and go to your Library
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2. Use the dropdown menu and check "Tools"
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3. Locate "Valheim Dedicated Server" in the list
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4. Click "Install" and choose installation directory
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5. Wait for download to complete
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</code></pre>
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<h3>Installation Steps</h3>
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<h3>Installing via SteamCMD (Linux/Windows)</h3>
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<pre><code># Install SteamCMD first (if not already installed)
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# Ubuntu/Debian:
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sudo apt update
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sudo apt install steamcmd
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<h4>Linux (Ubuntu/Debian)</h4>
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<pre><code># Update system packages
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sudo apt update && sudo apt upgrade -y
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# Create server directory
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mkdir -p ~/valheim-server
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cd ~/valheim-server
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mkdir -p ~/gameserver
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cd ~/gameserver
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# Download server files
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steamcmd +login anonymous +force_install_dir ~/valheim-server +app_update 896660 validate +exit
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# The server files will be downloaded to your specified directory
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# Download server files (method varies by game)
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# Check official documentation for download links
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</code></pre>
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<h4>Windows Server</h4>
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<p>Download the server files from the official game website or through Steam (if applicable). Extract to a dedicated folder and run the server executable.</p>
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<h3>Using SteamCMD - RECOMMENDED METHOD</h3>
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<p><strong>This game can be installed via SteamCMD using App ID: 896660</strong></p>
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<h4>Install SteamCMD (Ubuntu/Debian)</h4>
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<pre><code># Update package list
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sudo apt update
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# Enable 32-bit architecture
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sudo dpkg --add-architecture i386
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sudo apt update
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# Install SteamCMD
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sudo apt install -y lib32gcc-s1 steamcmd
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</code></pre>
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<h4>Download Server Files</h4>
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<pre><code># Create directory for game server
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mkdir -p ~/gameservers/valheim
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# Run SteamCMD and download
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steamcmd +login anonymous \
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+force_install_dir ~/gameservers/valheim \
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+app_update 896660 validate \
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+quit
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# Server files are now in ~/gameservers/valheim/
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cd ~/gameservers/valheim
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ls -la
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</code></pre>
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<h4>Windows Installation with SteamCMD</h4>
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<ol>
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<li>Download SteamCMD from: <a href="https://steamcdn-a.akamaihd.net/client/installer/steamcmd.zip" target="_blank">https://steamcdn-a.akamaihd.net/client/installer/steamcmd.zip</a></li>
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<li>Extract to <code>C:\steamcmd\</code></li>
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<li>Open Command Prompt and run:</li>
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</ol>
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<pre><code>cd C:\steamcmd
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steamcmd.exe +login anonymous ^
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+force_install_dir C:\gameservers\valheim ^
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+app_update 896660 validate ^
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+quit
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</code></pre>
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<h3>First-Time Setup</h3>
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<p>Before starting your server for the first time, you'll need to configure the startup parameters.</p>
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<h2 id="configuration">Server Configuration</h2>
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<h3>Startup Scripts</h3>
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<p>Valheim uses startup scripts to configure the server. Edit the appropriate file for your OS:</p>
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<p>After installation, you'll need to configure your server. Here's where to find the configuration files and what settings you can change.</p>
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<h4>Windows: start_headless_server.bat</h4>
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<pre><code>@echo off
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set SteamAppId=892970
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valheim_server.exe -nographics -batchmode ^
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-name "MyValheimServer" ^
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-port 2456 ^
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-world "MyWorld" ^
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-password "MyPassword123" ^
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-public 1
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</code></pre>
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<h4>Linux: start_server.sh</h4>
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<pre><code>#!/bin/bash
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export SteamAppId=892970
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./valheim_server.x86_64 -nographics -batchmode \
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-name "MyValheimServer" \
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-port 2456 \
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-world "MyWorld" \
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-password "MyPassword123" \
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-public 1 \
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-logfile /path/to/valheim.log
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</code></pre>
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<h3>Admin Configuration Files</h3>
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<p>Create these files in the server directory to manage administrators, bans, and whitelists:</p>
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<h4>adminlist.txt</h4>
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<pre><code># Add Steam64 IDs (one per line)
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76561198012345678
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76561198087654321
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</code></pre>
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<h4>bannedlist.txt</h4>
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<pre><code># Add Steam64 IDs of banned players
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76561198099999999
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</code></pre>
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<h4>permittedlist.txt</h4>
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<pre><code># For whitelist mode - only these IDs can join
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76561198012345678
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76561198087654321
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</code></pre>
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<h2 id="parameters">Startup Parameters</h2>
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<h3>Essential Parameters</h3>
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<table style="width: 100%; border-collapse: collapse; margin: 20px 0;">
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<tr style="background: #f8f9fa;">
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<th style="padding: 10px; border: 1px solid #dee2e6; text-align: left;">Parameter</th>
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<th style="padding: 10px; border: 1px solid #dee2e6; text-align: left;">Description</th>
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<th style="padding: 10px; border: 1px solid #dee2e6; text-align: left;">Example</th>
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</tr>
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<tr>
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<td style="padding: 8px; border: 1px solid #dee2e6;"><code>-name</code></td>
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<td style="padding: 8px; border: 1px solid #dee2e6;">Server name (appears in browser)</td>
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<td style="padding: 8px; border: 1px solid #dee2e6;">"My Valheim Server"</td>
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</tr>
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<tr>
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<td style="padding: 8px; border: 1px solid #dee2e6;"><code>-port</code></td>
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<td style="padding: 8px; border: 1px solid #dee2e6;">Server port (default 2456)</td>
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<td style="padding: 8px; border: 1px solid #dee2e6;">2456</td>
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</tr>
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<tr>
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<td style="padding: 8px; border: 1px solid #dee2e6;"><code>-world</code></td>
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<td style="padding: 8px; border: 1px solid #dee2e6;">World/save name</td>
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<td style="padding: 8px; border: 1px solid #dee2e6;">"Midgard"</td>
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</tr>
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<tr>
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<td style="padding: 8px; border: 1px solid #dee2e6;"><code>-password</code></td>
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<td style="padding: 8px; border: 1px solid #dee2e6;">Server password (required)</td>
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<td style="padding: 8px; border: 1px solid #dee2e6;">"SecurePass123"</td>
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</tr>
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<tr>
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<td style="padding: 8px; border: 1px solid #dee2e6;"><code>-public</code></td>
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<td style="padding: 8px; border: 1px solid #dee2e6;">1=Public listing, 0=Private</td>
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<td style="padding: 8px; border: 1px solid #dee2e6;">1</td>
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</tr>
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<tr>
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<td style="padding: 8px; border: 1px solid #dee2e6;"><code>-savedir</code></td>
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<td style="padding: 8px; border: 1px solid #dee2e6;">Custom save directory path</td>
|
||||
<td style="padding: 8px; border: 1px solid #dee2e6;">"/path/to/saves"</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td style="padding: 8px; border: 1px solid #dee2e6;"><code>-logfile</code></td>
|
||||
<td style="padding: 8px; border: 1px solid #dee2e6;">Path to log file</td>
|
||||
<td style="padding: 8px; border: 1px solid #dee2e6;">"/var/log/valheim.log"</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td style="padding: 8px; border: 1px solid #dee2e6;"><code>-nographics</code></td>
|
||||
<td style="padding: 8px; border: 1px solid #dee2e6;">Run headless (no GUI)</td>
|
||||
<td style="padding: 8px; border: 1px solid #dee2e6;">Required for dedicated servers</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td style="padding: 8px; border: 1px solid #dee2e6;"><code>-batchmode</code></td>
|
||||
<td style="padding: 8px; border: 1px solid #dee2e6;">Run in batch mode</td>
|
||||
<td style="padding: 8px; border: 1px solid #dee2e6;">Required for dedicated servers</td>
|
||||
</tr>
|
||||
</table>
|
||||
|
||||
<h3>Port Forwarding</h3>
|
||||
<p>You must forward/open the following ports on your firewall:</p>
|
||||
<h3>Essential Settings</h3>
|
||||
<ul>
|
||||
<li><strong>UDP 2456:</strong> Main game port (also set with -port parameter)</li>
|
||||
<li><strong>UDP 2457:</strong> Secondary port (2456 + 1)</li>
|
||||
<li><strong>UDP 2458:</strong> Tertiary port (2456 + 2)</li>
|
||||
<li><strong>Server Name:</strong> Set a descriptive name for your server</li>
|
||||
<li><strong>Max Players:</strong> Configure based on your server's resources</li>
|
||||
<li><strong>Password:</strong> Optional password protection for private servers</li>
|
||||
<li><strong>Admin/RCON Password:</strong> Set a strong password for remote administration</li>
|
||||
<li><strong>Game Mode:</strong> Configure game-specific modes and settings</li>
|
||||
</ul>
|
||||
|
||||
<h4>Linux Firewall (UFW)</h4>
|
||||
<pre><code># Allow Valheim ports
|
||||
sudo ufw allow 2456:2458/udp
|
||||
sudo ufw reload
|
||||
<h3>Server Commands</h3>
|
||||
<p>Common administrative commands (access via console or RCON):</p>
|
||||
<pre><code># Kick player
|
||||
kick [player_name]
|
||||
|
||||
# Ban player
|
||||
ban [player_name]
|
||||
|
||||
# Change map/level (syntax varies by game)
|
||||
changelevel [map_name]
|
||||
|
||||
# Set admin password (if supported)
|
||||
setadminpassword [password]
|
||||
</code></pre>
|
||||
|
||||
<h4>Windows Firewall</h4>
|
||||
<pre><code># Open Windows Defender Firewall with Advanced Security
|
||||
# Create new Inbound Rules for UDP ports 2456-2458
|
||||
# Or use PowerShell:
|
||||
New-NetFirewallRule -DisplayName "Valheim Server" -Direction Inbound -Protocol UDP -LocalPort 2456-2458 -Action Allow
|
||||
<h2 id="parameters">⚙️ Startup Parameters</h2>
|
||||
|
||||
<h3>Basic Startup</h3>
|
||||
<pre><code># Generic startup command structure
|
||||
./server_executable [parameters]
|
||||
</code></pre>
|
||||
|
||||
<h2 id="troubleshooting">Troubleshooting</h2>
|
||||
<h3>Common Parameters</h3>
|
||||
<ul>
|
||||
<li><code>-port [number]</code> - Set the server port</li>
|
||||
<li><code>-maxplayers [number]</code> - Maximum player slots</li>
|
||||
<li><code>-map [name]</code> - Starting map/level</li>
|
||||
<li><code>-console</code> - Enable console output</li>
|
||||
<li><code>-nographics</code> - Run without graphics (headless mode)</li>
|
||||
</ul>
|
||||
|
||||
<h3>Creating a Start Script</h3>
|
||||
|
||||
<p><strong>Linux (start.sh):</strong></p>
|
||||
<pre><code>#!/bin/bash
|
||||
cd /path/to/server
|
||||
./server_executable [parameters] 2>&1 | tee server.log
|
||||
</code></pre>
|
||||
<pre><code>chmod +x start.sh
|
||||
./start.sh
|
||||
</code></pre>
|
||||
|
||||
<p><strong>Windows (start.bat):</strong></p>
|
||||
<pre><code>@echo off
|
||||
cd /d "%~dp0"
|
||||
server_executable.exe [parameters]
|
||||
pause
|
||||
</code></pre>
|
||||
|
||||
<h3>Running as a Service</h3>
|
||||
|
||||
<p><strong>Linux (systemd):</strong></p>
|
||||
<pre><code># Create service file: /etc/systemd/system/gameserver.service
|
||||
[Unit]
|
||||
Description=Valheim Server
|
||||
After=network.target
|
||||
|
||||
[Service]
|
||||
Type=simple
|
||||
User=gameserver
|
||||
WorkingDirectory=/home/gameserver/server
|
||||
ExecStart=/home/gameserver/server/start.sh
|
||||
Restart=on-failure
|
||||
RestartSec=10
|
||||
|
||||
[Install]
|
||||
WantedBy=multi-user.target
|
||||
</code></pre>
|
||||
|
||||
<pre><code># Enable and start service
|
||||
sudo systemctl daemon-reload
|
||||
sudo systemctl enable gameserver
|
||||
sudo systemctl start gameserver
|
||||
sudo systemctl status gameserver
|
||||
</code></pre>
|
||||
|
||||
<h2 id="troubleshooting">🔧 Troubleshooting</h2>
|
||||
|
||||
<h3>Server Won't Start</h3>
|
||||
<p><strong>Problem:</strong> Server fails to start or crashes immediately.</p>
|
||||
<p><strong>Solutions:</strong></p>
|
||||
<ul>
|
||||
<li>Check log files for error messages</li>
|
||||
<li>Verify all parameters are correctly formatted in startup script</li>
|
||||
<li>Ensure server files are fully downloaded (run SteamCMD validate)</li>
|
||||
<li>Check file permissions on Linux (<code>chmod +x start_server.sh</code>)</li>
|
||||
<li>Verify you have sufficient RAM and disk space</li>
|
||||
</ul>
|
||||
|
||||
<h3>Server Not Appearing in Browser</h3>
|
||||
<p><strong>Problem:</strong> Server doesn't show up in the in-game server list.</p>
|
||||
<p><strong>Solutions:</strong></p>
|
||||
<ul>
|
||||
<li>Ensure <code>-public 1</code> is set in startup parameters</li>
|
||||
<li>Check that ports 2456-2458 UDP are properly forwarded</li>
|
||||
<li>Verify firewall rules allow the ports</li>
|
||||
<li>Try connecting directly using IP:port in Steam server list</li>
|
||||
<li>Wait a few minutes - it can take time to appear in the browser</li>
|
||||
</ul>
|
||||
<h4>Check Server Logs</h4>
|
||||
<pre><code># View recent log entries
|
||||
tail -f server.log
|
||||
|
||||
# Or check system logs
|
||||
journalctl -u gameserver -f
|
||||
</code></pre>
|
||||
|
||||
<h4>Port Already in Use</h4>
|
||||
<pre><code># Find what's using the port
|
||||
sudo lsof -i :[PORT]
|
||||
sudo netstat -tulpn | grep [PORT]
|
||||
|
||||
# Kill the process or change server port
|
||||
</code></pre>
|
||||
|
||||
<h4>Missing Dependencies</h4>
|
||||
<p>Ensure all required dependencies are installed. Check the error messages for missing libraries or packages.</p>
|
||||
|
||||
<h3>Connection Issues</h3>
|
||||
<p><strong>Problem:</strong> Players cannot connect to the server.</p>
|
||||
<p><strong>Solutions:</strong></p>
|
||||
|
||||
<h4>Can't Connect to Server</h4>
|
||||
<ol>
|
||||
<li><strong>Verify server is running:</strong> <code>ps aux | grep server</code></li>
|
||||
<li><strong>Check port is listening:</strong> <code>netstat -an | grep [PORT]</code></li>
|
||||
<li><strong>Verify firewall rules</strong> (see Ports section above)</li>
|
||||
<li><strong>Check server IP:</strong> Use external IP, not localhost</li>
|
||||
<li><strong>Router/NAT:</strong> Ensure port forwarding is configured</li>
|
||||
</ol>
|
||||
|
||||
<h4>High Latency/Lag</h4>
|
||||
<ul>
|
||||
<li>Double-check password is correct and communicated to players</li>
|
||||
<li>Verify port forwarding is configured correctly</li>
|
||||
<li>Test with the public IP address, not local/LAN IP</li>
|
||||
<li>Check router NAT type and consider DMZ if necessary</li>
|
||||
<li>Disable any VPN on the server</li>
|
||||
<li>Check server resource usage (CPU, RAM, disk I/O)</li>
|
||||
<li>Verify network bandwidth is adequate</li>
|
||||
<li>Consider server location relative to players</li>
|
||||
<li>Check for background processes consuming resources</li>
|
||||
</ul>
|
||||
|
||||
<h3>Lag and Performance Issues</h3>
|
||||
<p><strong>Problem:</strong> Server experiences lag, stuttering, or poor performance.</p>
|
||||
<p><strong>Solutions:</strong></p>
|
||||
<ul>
|
||||
<li>Reduce player count if exceeding 5-10 players</li>
|
||||
<li>Upgrade server hardware (CPU and RAM)</li>
|
||||
<li>Use wired Ethernet connection, not WiFi</li>
|
||||
<li>Close unnecessary background processes</li>
|
||||
<li>Consider professional hosting for high-population servers</li>
|
||||
<li>Keep the world size manageable (large explored worlds can lag)</li>
|
||||
</ul>
|
||||
<h3>Performance Issues</h3>
|
||||
|
||||
<h3>World/Save Corruption</h3>
|
||||
<p><strong>Problem:</strong> World save is corrupted or progress is lost.</p>
|
||||
<p><strong>Solutions:</strong></p>
|
||||
<ul>
|
||||
<li>Restore from backup (make regular backups!)</li>
|
||||
<li>Check disk health and fix errors</li>
|
||||
<li>Avoid forced shutdowns or crashes</li>
|
||||
<li>Use a reliable backup system (automated backups recommended)</li>
|
||||
</ul>
|
||||
<h4>Server Lag</h4>
|
||||
<ol>
|
||||
<li><strong>Monitor resources:</strong> Use <code>htop</code> or <code>top</code></li>
|
||||
<li><strong>Check disk I/O:</strong> Use <code>iotop</code></li>
|
||||
<li><strong>Review server logs</strong> for errors or warnings</li>
|
||||
<li><strong>Reduce player count</strong> or increase server resources</li>
|
||||
<li><strong>Optimize configuration</strong> based on server capacity</li>
|
||||
</ol>
|
||||
|
||||
<h4>Memory Leaks</h4>
|
||||
<pre><code># Monitor memory usage
|
||||
free -h
|
||||
top -p $(pgrep -f server)
|
||||
|
||||
# Restart server regularly via cron if needed
|
||||
0 4 * * * /home/gameserver/restart.sh
|
||||
</code></pre>
|
||||
|
||||
<h2 id="performance">Performance Optimization</h2>
|
||||
|
||||
<h3>Server Resource Management</h3>
|
||||
<h3>Server Tuning</h3>
|
||||
<ul>
|
||||
<li><strong>RAM:</strong> Allocate 8GB+ for smoother experience with multiple players</li>
|
||||
<li><strong>CPU:</strong> Higher single-core performance is more important than core count</li>
|
||||
<li><strong>Storage:</strong> Use SSD for better world loading performance</li>
|
||||
<li><strong>Network:</strong> Minimum 10Mbps upload for 5+ players</li>
|
||||
<li><strong>CPU:</strong> Ensure adequate CPU allocation; most game servers are single-threaded</li>
|
||||
<li><strong>RAM:</strong> Allocate sufficient memory; monitor usage and adjust as needed</li>
|
||||
<li><strong>Disk:</strong> Use SSD storage for better I/O performance</li>
|
||||
<li><strong>Network:</strong> Ensure stable, low-latency connection</li>
|
||||
</ul>
|
||||
|
||||
<h3>Operating System Optimization</h3>
|
||||
<pre><code># Increase file descriptor limits
|
||||
echo "* soft nofile 65536" >> /etc/security/limits.conf
|
||||
echo "* hard nofile 65536" >> /etc/security/limits.conf
|
||||
|
||||
# Network tuning
|
||||
sysctl -w net.core.rmem_max=16777216
|
||||
sysctl -w net.core.wmem_max=16777216
|
||||
sysctl -w net.ipv4.tcp_rmem="4096 87380 16777216"
|
||||
sysctl -w net.ipv4.tcp_wmem="4096 87380 16777216"
|
||||
</code></pre>
|
||||
|
||||
<h3>Monitoring</h3>
|
||||
<p>Set up monitoring to track server health:</p>
|
||||
<ul>
|
||||
<li>CPU and memory usage</li>
|
||||
<li>Network traffic and latency</li>
|
||||
<li>Player count and activity</li>
|
||||
<li>Error rates and crash logs</li>
|
||||
</ul>
|
||||
|
||||
<h3>Backup Strategy</h3>
|
||||
<pre><code># Linux backup script example
|
||||
#!/bin/bash
|
||||
WORLD_NAME="MyWorld"
|
||||
BACKUP_DIR="/path/to/backups"
|
||||
<pre><code>#!/bin/bash
|
||||
# backup.sh - Run via cron
|
||||
DATE=$(date +%Y%m%d_%H%M%S)
|
||||
BACKUP_DIR="/backups/gameserver"
|
||||
SERVER_DIR="/home/gameserver/server"
|
||||
|
||||
# Create backup
|
||||
cp ~/.config/unity3d/IronGate/Valheim/worlds/$WORLD_NAME.* $BACKUP_DIR/
|
||||
tar -czf $BACKUP_DIR/backup_$DATE.tar.gz -C $SERVER_DIR .
|
||||
|
||||
# Keep only last 7 days of backups
|
||||
find $BACKUP_DIR -name "*.fwl" -mtime +7 -delete
|
||||
find $BACKUP_DIR -name "*.db" -mtime +7 -delete
|
||||
# Keep only last 7 days
|
||||
find $BACKUP_DIR -name "backup_*.tar.gz" -mtime +7 -delete
|
||||
</code></pre>
|
||||
|
||||
<h3>Automated Restarts</h3>
|
||||
<p>Set up daily restarts to clear memory and apply updates:</p>
|
||||
<pre><code># Linux crontab entry for 4 AM restart
|
||||
0 4 * * * /path/to/restart_valheim.sh
|
||||
<h2 id="security">Security Best Practices</h2>
|
||||
|
||||
# restart_valheim.sh:
|
||||
#!/bin/bash
|
||||
pkill -9 valheim_server
|
||||
sleep 10
|
||||
cd /home/valheim/server
|
||||
./start_server.sh &
|
||||
<h3>Firewall Configuration</h3>
|
||||
<pre><code># Minimal firewall - only allow necessary ports
|
||||
sudo ufw default deny incoming
|
||||
sudo ufw default allow outgoing
|
||||
sudo ufw allow [SERVER_PORT]/tcp
|
||||
sudo ufw allow [SERVER_PORT]/udp
|
||||
sudo ufw allow 22/tcp # SSH
|
||||
sudo ufw enable
|
||||
</code></pre>
|
||||
|
||||
<h3>Console Commands (In-Game Admin)</h3>
|
||||
<p>Enable console with <code>-console</code> parameter, press F5 in-game:</p>
|
||||
<h3>Strong Passwords</h3>
|
||||
<ul>
|
||||
<li><code>devcommands</code> - Enable admin commands</li>
|
||||
<li><code>kick [player name]</code> - Kick a player</li>
|
||||
<li><code>ban [player name]</code> - Ban a player</li>
|
||||
<li><code>unban [player name]</code> - Unban a player</li>
|
||||
<li><code>save</code> - Force save the world</li>
|
||||
<li><code>resetskill [skill]</code> - Reset player skill level</li>
|
||||
<li>Use strong, unique passwords for admin/RCON access</li>
|
||||
<li>Never use default passwords</li>
|
||||
<li>Change passwords regularly</li>
|
||||
<li>Don't share admin credentials unnecessarily</li>
|
||||
</ul>
|
||||
|
||||
<h3>Regular Updates</h3>
|
||||
<ul>
|
||||
<li>Keep server software updated to the latest stable version</li>
|
||||
<li>Update operating system and dependencies regularly</li>
|
||||
<li>Subscribe to security advisories for your game</li>
|
||||
<li>Test updates on a staging server before production deployment</li>
|
||||
</ul>
|
||||
|
||||
<h3>Access Control</h3>
|
||||
<ul>
|
||||
<li>Limit SSH access to specific IPs if possible</li>
|
||||
<li>Use SSH keys instead of passwords</li>
|
||||
<li>Disable root login via SSH</li>
|
||||
<li>Implement fail2ban or similar intrusion prevention</li>
|
||||
</ul>
|
||||
|
||||
<h3>DDoS Protection</h3>
|
||||
<ul>
|
||||
<li>Consider DDoS protection services (Cloudflare, OVH, etc.)</li>
|
||||
<li>Implement rate limiting where supported</li>
|
||||
<li>Monitor for unusual traffic patterns</li>
|
||||
<li>Have an incident response plan</li>
|
||||
</ul>
|
||||
|
||||
<h2>Additional Resources</h2>
|
||||
<ul>
|
||||
<li><a href="https://valheim.com/support/a-guide-to-dedicated-servers/" target="_blank">Official Valheim Dedicated Server Guide</a></li>
|
||||
<li><a href="https://valheim.fandom.com/wiki/Dedicated_servers" target="_blank">Valheim Wiki - Dedicated Servers</a></li>
|
||||
<li><a href="https://steamcommunity.com/app/892970/discussions/" target="_blank">Steam Community Discussions</a></li>
|
||||
<li><a href="https://www.reddit.com/r/valheim/" target="_blank">r/valheim - Community Support</a></li>
|
||||
<li>Official Valheim documentation and forums</li>
|
||||
<li>Community wikis and guides</li>
|
||||
<li>Game-specific Discord or Reddit communities</li>
|
||||
<li>Server hosting provider documentation</li>
|
||||
</ul>
|
||||
|
||||
<div style="background: #78350f; padding: 20px; border-left: 4px solid #f59e0b; margin: 20px 0; border-radius: 4px;">
|
||||
<h3 style="color: #ffffff; margin-top: 0;"><i class="fas fa-exclamation-triangle" style="color: #fbbf24; margin-right: 8px;"></i>Important Notes</h3>
|
||||
<ul style="color: #fef3c7; line-height: 1.8;">
|
||||
<li>Always keep your server updated to the latest version via SteamCMD</li>
|
||||
<li>Make regular automated backups of your world saves</li>
|
||||
<li>Test firewall rules and port forwarding before inviting players</li>
|
||||
<li>Monitor server performance and adjust resources as needed</li>
|
||||
<li>Use strong passwords to protect your server</li>
|
||||
<ul style="color: #fef3c7; line-height: 1.8; margin: 0;">
|
||||
<li>Always make backups before making configuration changes</li>
|
||||
<li>Keep your server and dependencies updated</li>
|
||||
<li>Monitor server resources and player activity</li>
|
||||
<li>Follow the game's End User License Agreement (EULA) and Terms of Service</li>
|
||||
<li>Join community forums for support and best practices</li>
|
||||
</ul>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<p style="text-align: center; margin-top: 30px; color: #666;">
|
||||
<em>Last updated: November 2025 | For Valheim server hosting</em>
|
||||
</p>
|
||||
|
|
|
|||
|
|
@ -1,6 +1,7 @@
|
|||
{
|
||||
"description": "Comprehensive guide for Valheim dedicated servers with ports, Valheim+ mods, world management, and Viking survival hosting",
|
||||
"name": "Valheim",
|
||||
"order": 85,
|
||||
"category": "game"
|
||||
{
|
||||
"description": "Comprehensive guide for Valheim dedicated servers with ports, Valheim+ mods, world management, and Viking survival hosting",
|
||||
"name": "Valheim",
|
||||
"order": 85,
|
||||
"category": "game",
|
||||
"complete": true
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue