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Valheim Dedicated Server (Linux)

Hi folks,

here is a short instruction to install and run a dedicated Valheim server on linux:


Create a user account named steam to run SteamCMD safely, isolating it from the rest of the operating system. Do not run steamcmd while operating as the root user – to do so is a security risk.

useradd -m steam

cd /home/steam

It’s recommended to install the SteamCMD package from your distribution repositories, if available

sudo apt install steamcmd

Run steamcmd in console


Login anonymous or with your account

login anonymous


login <username>

Set your app install directory

force_install_dir <path>

Update and validate Valheim

app_update 896660 validate

quit steamcmd


Note: currently its heavy cpu loaded to host a dedicated server!

further information on installing dedicated servers:


Known issues:

failed to init SDL thread priority manager: SDL not found


sudo apt install libsdl2-2.0-0:i386

Run Valheim Server:

Open the path where you installed the dedicated server

you will find a couple of files including a manual.pdf

sudo nano or sudo vim  start_server.sh

Now you will see this and you can set your server name and password:

export templdpath=$LD_LIBRARY_PATH
export SteamAppId=892970

Tip: Make a local copy of this script to avoid it being overwritten by steam.

NOTE: Minimum password length is 5 characters & Password cant be in the server name.

NOTE: You need to make sure the ports 2456-2458 is being forwarded to your server through your local router & firewall.

./valheim_server.x86_64 -name "My Server Name" -port 2456 -world "Dedicated" -password "My Password" -public 1 > /dev/null &

export LD_LIBRARY_PATH=$templdpath

echo "Server started"
echo ""
read -p "Press RETURN to stop server"
echo 1 > server_exit.drp

echo "Server exit signal set"
echo "You can now close this terminal"

To run the server:


Have fun with your dedicated Valheim server!