Setting Up a Valheim Dedicated Server

Step 1 — Install SteamCMD

add-apt-repository multiverse -y
dpkg --add-architecture i386
apt update
apt install steamcmd lib32gcc-s1 -y

Step 2 — Create a User and Download Valheim

adduser steam
su - steam
steamcmd +force_install_dir ~/valheimserver +login anonymous +app_update 896660 validate +quit

Step 3 — Create a Startup Script

nano ~/start-valheim.sh

#!/bin/bash
export TERM=xterm
cd ~/valheimserver
./valheim_server.x86_64   -name "My Valheim Server"   -port 2456   -world "Dedicated"   -password "yourpassword"   -public 1

chmod +x ~/start-valheim.sh

Step 4 — Open Firewall Ports

ufw allow 2456/udp
ufw allow 2457/udp

Step 5 — Start with screen

screen -S valheim ~/start-valheim.sh

Crossplay (PC + Xbox)

Add -crossplay to the startup script flags to enable crossplay with Xbox players.

Finding Your Server In-Game

In Valheim, go to Join Game → Add server and enter YOUR_SERVER_IP:2456.