Best Practices For Zomboid Server Updates – How To Keep Your Server Up-to-date Without Downtime.

Keeping your Project Zomboid server up-to-date without causing downtime is crucial for maintaining a smooth gaming experience for your players. In this guide, we will explore the best practices for updating your Zomboid server, ensuring minimal disruption and optimal performance. From using SteamCMD and configuring UFW to managing multiple server instances and utilizing tools like Tmux, we’ve got you covered.

Key Takeaways

Regular updates are essential for maintaining server security and performance. Use tools like SteamCMD to automate this process.
Configuring a firewall with UFW and using Tmux can help manage your server efficiently, even when running multiple instances.
Always back up your server settings and data before performing updates to prevent data loss and ensure a quick recovery if something goes wrong.

1. SteamCMD

SteamCMD is a command-line tool that allows you to install and update various games and dedicated servers, including Project Zomboid. Using SteamCMD ensures that your server is always up-to-date with the latest patches and updates. Here’s how you can set it up and use it effectively for your Zomboid server.

Update System Packages: Before installing SteamCMD, make sure your system packages are up-to-date. Run the following commands:
```
sudo apt update
sudo apt upgrade
```
Install SteamCMD: You can install SteamCMD using the package manager. Execute the following command:
```
sudo apt install steamcmd
```
Create a Directory for the Server: It’s a good practice to create a dedicated directory for your server files. For example:
```
mkdir ~/pzserver
```
Run SteamCMD and Log In: Launch SteamCMD and log in as an anonymous user:
```
steamcmd +login anonymous
```
Install the Project Zomboid Server: Set the installation directory and download the server files:
```
force_install_dir ~/pzserver
app_update 380870 validate
quit
```

Remember, you will use the same command every time you want to update the server to the latest version. This ensures your server remains current without any downtime.

2. UFW

UFW, or Uncomplicated Firewall, is a user-friendly way to manage your server’s firewall settings. It’s essential for ensuring that only the necessary ports are open, which helps in maintaining security while keeping your server accessible to players. Before installing any new software, it’s a good practice to update your package list. You can do this by running:

sudo apt update

Next, install UFW with the following command:

sudo apt install ufw

Once installed, you can open the required ports for Project Zomboid by running:

sudo ufw allow 16261/udp
sudo ufw allow 16262/udp

After adding the rules, reload the firewall to apply the changes:

sudo ufw reload

Keeping your firewall rules updated is crucial for both security and functionality. Make sure to review and adjust them as needed.

By following these steps, you can ensure that your server remains secure and accessible, minimizing the risk of downtime due to unauthorized access or misconfigured settings.

3. Tmux

When it comes to running and managing a Project Zomboid server on Linux, Tmux is an invaluable tool. Tmux allows you to keep your server running even if you accidentally close your terminal window or your SSH connection gets interrupted. This ensures that your server remains stable and minimizes downtime.

To get started with Tmux, you first need to install it. If you encounter a "command not found" error, simply run:

apt-get install tmux

Once installed, you can start a new Tmux session by typing:

tmux

If your connection drops or you close the terminal, you can reattach to your Tmux session with:

tmux a

Using Tmux is a best practice for maintaining a stable gaming experience, as it helps in regular maintenance, backups, updates, monitoring, and optimizing server performance.

By incorporating Tmux into your server management routine, you can ensure that your Project Zomboid server remains up-to-date and runs smoothly without unnecessary interruptions.

4. Steam

Keeping your Project Zomboid server updated through Steam is a straightforward process. First, navigate to your Steam library and filter for tools. Locate the Project Zomboid Dedicated Server and download or install it. This method ensures you have the latest files without needing to manually search for updates.

Pro Tip: Do not launch the server via Steam. If you accidentally do, verify the integrity of the files to avoid any issues.

Once installed, you can manage updates directly from Steam. This is particularly useful if you prefer a graphical interface over command-line tools like SteamCMD. Regularly check for updates to ensure your server runs smoothly and benefits from the latest features and fixes.

5. Project Zomboid Dedicated Server

Setting up a Project Zomboid dedicated server is a crucial step for any serious server host. This allows you to have full control over your server environment, ensuring stability and performance. To get started, you’ll need to download the server files. You can do this through Steam or SteamCMD, depending on your preference.

Once you have the server files, it’s important to configure them correctly. This includes setting up the installation directory and ensuring that all necessary ports are open. For example, you’ll need to open ports 16261 and 16262 for UDP connections. This is essential for allowing players to connect to your server.

After configuring the server, you can run it using the appropriate batch file for your operating system. For most users, this will be the 64-bit version. Make sure to adjust the memory settings in the StartServer64 file to avoid any memory errors.

Remember, choosing mods wisely can significantly impact server performance. Always prioritize well-optimized mods and remove those that are unnecessary or cause issues.

By following these steps, you can ensure that your Project Zomboid dedicated server runs smoothly and efficiently.

6. SERVERNAME.ini

The SERVERNAME.ini file is crucial for configuring your Project Zomboid server. This file allows you to customize various server settings to tailor the gameplay experience for your players. You can adjust parameters such as server name, player slots, game modes, and difficulty levels. Proper configuration of this file ensures a smooth and enjoyable gaming experience for everyone.

To locate the SERVERNAME.ini file, navigate to the directory where your Project Zomboid server files are stored. Typically, this will be in the Zomboid/Server folder within your server’s installation directory.

Key Settings in SERVERNAME.ini

ServerName: This sets the name of your server as it appears in the server list.
MaxPlayers: Defines the maximum number of players that can join your server simultaneously.
Port: Specifies the port number your server will use for connections.
Public: Determines whether your server is publicly listed or private.
Password: Sets a password for your server, if you want to restrict access.
Mods: Lists any mods you have installed and want to run on your server.
PVP: Enables or disables player versus player combat.
PauseEmpty: Pauses the game when no players are connected.

Example Configuration

Here’s a basic example of what your SERVERNAME.ini file might look like:

ServerName=MyZomboidServer
MaxPlayers=16
Port=16261
Public=true
Password=supersecret
Mods=Hydrocraft;ORGM
PVP=false
PauseEmpty=true

Remember to save your changes and restart the server for the new settings to take effect. Properly configuring your SERVERNAME.ini file can significantly enhance the player experience on your server.

7. StartServer64

When it comes to running your Project Zomboid server efficiently, the StartServer64 batch file is a crucial component. This file is designed to launch the 64-bit version of the server, which is typically the best choice for most users due to its ability to handle more memory and larger player counts.

Before you start the server, you need to edit the StartServer64 file to specify the amount of memory you want to allocate. By default, it sets 16GB of starting memory, which might not be suitable for all setups. Adjust the -Xms and -Xmx values to match your server’s capabilities. For example, if you want to allocate 6GB of memory, your configuration should look like this:

".jre64binjava.exe" -Djava.awt.headless=true -Dzomboid.steam=1 -Dzomboid.znetlog=1 -XX:+UseZGC -XX:-CreateCoredumpOnCrash -XX:-OmitStackTraceInFastThrow -Xms6g -Xmx6g -Djava.library.path=natives/;natives/win64/;. -cp %PZ_CLASSPATH% zombie.network.GameServer -statistic 0

It’s essential to ensure your server has enough memory allocated to avoid performance issues or crashes.

Once configured, running the StartServer64 file will open a command console window that begins executing the server on your machine. On the first run, it will prompt you to set a password for the admin account. After the server finishes setting up with default game settings, a message will indicate success or failure.

Using tmux on Linux can help keep your server running even if your terminal session is disconnected. Simply start tmux before launching the server, and you can reattach to the session later if needed.

8. StartServer32

When it comes to running a Project Zomboid server, the StartServer32 batch file is your go-to for launching a 32-bit dedicated server. This is particularly useful if you’re operating on a system that doesn’t support 64-bit applications or if you have specific requirements that necessitate a 32-bit environment.

Key Points to Consider

Compatibility: Ensure your system meets the minimum requirements for running a 32-bit server. This includes having the appropriate version of Java installed.
Configuration: Before launching, double-check your server settings in the SERVERNAME.ini file to ensure everything is configured correctly.
Ports: Make sure the necessary ports (16261, 16262) are open and properly forwarded on your router.

Troubleshooting

If you encounter issues while running StartServer32, here are some common problems and their solutions:

Server Not Starting: Check the log files in the server directory for any error messages.
Connection Issues: Verify that your server’s ports are correctly forwarded and not blocked by a firewall.
Performance Issues: Ensure your system meets the minimum requirements, particularly CPU and RAM.

Running a 32-bit server can be a bit more restrictive in terms of performance, but it’s a viable option for older systems or specific use cases.

By following these guidelines, you can effectively manage your Project Zomboid server using the StartServer32 batch file, ensuring a smooth and stable gaming experience for your players.

9. StartServer64_nosteam

Running the StartServer64_nosteam batch file is essential for those who prefer not to use Steam’s networking features. This option is particularly useful for dedicated gaming servers that need to avoid Steam’s network dependencies.

To get started, navigate to your server’s installation directory. You’ll find the StartServer64_nosteam batch file there. Running this file will launch the non-Steam 64-bit version of the Project Zomboid server.

Troubleshooting Common Issues

Server Not Starting: Check the log files in the server directory for any error messages.
Connection Issues: Verify that your server’s ports (15777, 15000, 7777) are correctly forwarded on your router and not blocked by a firewall.
Performance Issues: Ensure your system meets the minimum requirements for running the server, particularly CPU and RAM.

Memory Allocation

By default, the StartServer64_nosteam batch file specifies 16GB of starting memory for the server. You must edit the batch file and change the -Xms and -Xmx values to the desired memory allocation, or the server will fail to start with memory errors. For example, to allocate 6GB of memory, you would modify the file as follows:

".jre64binjava.exe" -Djava.awt.headless=true -Dzomboid.steam=0 -Dzomboid.znetlog=1 -XX:+UseZGC -XX:-CreateCoredumpOnCrash -XX:-OmitStackTraceInFastThrow -Xms6g -Xmx6g -Djava.library.path=natives/;natives/win64/;. -cp %PZ_CLASSPATH% zombie.network.GameServer -statistic 0

Using the StartServer64_nosteam option can resolve many issues but may make your server harder to find since it won’t appear on Steam’s server lists.

10. Multiverse

Managing multiple worlds on a Project Zomboid server can be a game-changer for your community. The Multiverse feature allows you to host several different game worlds on a single server, providing varied experiences for your players without needing multiple servers. This can be particularly useful for communities that enjoy different playstyles or want to experiment with new mods and settings without disrupting the main game world.

Conclusion

Keeping your Project Zomboid server up-to-date without causing downtime is a critical aspect of server management. By following best practices such as enabling necessary repositories, using non-root users, and configuring automated update scripts, you can ensure that your server remains stable and secure. Regularly updating both the game server software and the operating system, as well as managing mods and plugins effectively, will help maintain a seamless gaming experience for your players. Implementing these strategies will not only minimize downtime but also enhance the overall performance and reliability of your server.