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How to Set Up Your Own All The Mods 9 Server: A Comprehensive Guide

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Want to dive into the expansive world of All The Mods 9 with friends? Setting up your own server is the perfect way to experience this massive modpack the way you want. This guide will walk you through the steps to create your own All The Mods 9 server, whether you’re running it locally on your computer or using a server hosting provider.

Prerequisites for Running an ATM9 Server

Before you get started, ensure your system or server meets the minimum requirements to handle the resource-intensive All The Mods 9 modpack.

  • RAM: At least 8GB of RAM is crucial. ATM9 is a large modpack, and sufficient memory is necessary for smooth server operation. More RAM is recommended for larger player counts or increased world complexity.
  • CPU: A CPU with a clock speed of at least 3.5GHz is recommended. Server performance is heavily reliant on CPU speed, especially with modded Minecraft.
  • Java: You’ll need the correct version of Java compatible with your All The Mods 9 instance’s Minecraft version. Refer to the modpack documentation or your launcher for the specific Java requirement.

Setting Up Your All The Mods 9 Server Locally

Running the server locally is great for testing or playing with a small group on your home network.

  1. Download Server Files:

    • Navigate to the CurseForge page for the All The Mods 9 modpack.
    • Click on “Files” and select the specific version of ATM9 you wish to install.
    • Under “Additional Files,” locate and download the “Server Files” ZIP archive.

    Alt Text: Screenshot of the CurseForge website showing the “Download” button for server files under “Additional Files” for All The Mods 9.

  2. Extract Server Files:

    • Create a new folder on your computer to house your server files. Choose a location that is easy to access.
    • Extract the contents of the downloaded “Server-Files.zip” into this newly created folder.
    • Important for Windows users: Avoid extracting the server files to cloud-synced folders like OneDrive, as this can lead to file corruption or removal.
    • Anti-Virus Exclusions: If you have third-party antivirus software, exclude your server folder from scans to prevent potential conflicts or false positives that could corrupt server files.

  3. Java Configuration:

    • If you have multiple Java versions installed, ensure the server uses the correct one. The default java -version command might not point to the Java version required by All The Mods 9.
    • Specifying Java Path: You can explicitly define the Java path in your server start script to guarantee the correct version is used. This is recommended even if you only have one Java version installed to future-proof your setup.
    • Restart after Java Install: If you’ve just installed Java, a system restart might be necessary for the changes to take effect.

  4. Starting the Local Server:

    • Windows: Locate and execute the startserver.bat file within your server folder.
    • Linux:
      • Ensure the server folder has read/write permissions and the startserver.sh script has execute permissions. Run sudo chmod +x startserver.sh once in the server directory to grant execute permission.
      • Execute the ./startserver.sh script.
    • The first server start will generate necessary configuration files and libraries. Do not interrupt this process.

  5. Accepting the Minecraft EULA:

    • After the initial startup, a file named eula.txt will be created in your server folder.
    • Open eula.txt and change eula=false to eula=true to accept the Minecraft End User License Agreement. You must accept the EULA to run a Minecraft server.

  6. Server Configuration:

    • Customize your server settings by editing server.properties for general server options, configs for mod configurations, and world/serverconfigs for world-specific settings.
    • After making changes, run startserver.bat or ./startserver.sh again to apply them and start the server.

  7. Joining Your Server:

    • Once the console displays “Dedicated server took xx seconds to load,” your server is online and ready to join.
    • Launch your Minecraft instance with the All The Mods 9 modpack installed.
    • In the Minecraft multiplayer menu, add a server using localhost or 127.0.0.1 as the server address to connect to your locally hosted server.

    Alt Text: Screenshot of the Minecraft multiplayer server list, showing the option to “Add Server” to join a new Minecraft server.

    Important Note: In most cases, you should not need to edit server-ip or server-port in server.properties for a local server. Modifying these settings unnecessarily, especially server-ip, can prevent your server from starting.

    Troubleshooting Start Script Issues:

    • Missing startserver.bat/sh: If these scripts are missing, you might need to install Forge manually first. Run java -jar forge-installer*.jar --installServer and then use run.bat/sh (if present) to start the server.
    • Missing run.bat/sh: For older Forge versions, you might need to create a launch script manually.

    Example run.bat/sh script:

    java -Xms4G -Xmx8G -jar forge-*universal.jar

    Customizing Server Settings:

    • Adding Java Arguments: Create or edit usr_jvm_args.txt to add custom Java arguments for performance tuning. For older Forge versions without this file, you may need to add arguments directly to the startup script.
    • Allocating More RAM: Modify the -Xms (initial RAM) and -Xmx (maximum RAM) values in usr_jvm_args.txt to adjust the RAM allocated to your server. Ensure you have enough system RAM available.
    • Importing an Existing World: To use a pre-existing world, place your world folder in the server directory and rename it to world.

    For further performance optimization tips, consult resources on Minecraft server lag and profiling specific to modded environments.

Setting Up an All The Mods 9 Server with a Hosting Provider

Using a server hosting provider simplifies the setup process and makes your server accessible online without needing to keep your personal computer running.

  1. One-Click Installation: Most reputable Minecraft server hosting providers offer one-click installers for popular modpacks like All The Mods 9. This is the easiest method. Simply select All The Mods 9 during server setup in your hosting control panel.

  2. Custom JAR Installation (If Required): If your host requires a custom JAR file or doesn’t offer a one-click installer for ATM9:

    • ServerStarter Method: For newer Forge versions (which may not run directly as custom JARs), download the ServerStarter JAR file from GitHub. Upload this JAR to your main server directory and set it as the custom JAR in your hosting panel.
    • Upload Server Files: Download the Server Files for All The Mods 9 from CurseForge, extract the ZIP archive, and upload all extracted files and folders to the root directory of your server using FTP or your hosting provider’s file manager.
    • Configuration File: Create a file named server-setup-config.yaml in your server’s root directory. Copy and paste the example configuration below into this file.

    Example server-setup-config.yaml (ATM9):

    # Version of the specs, only for internal usage if this format should ever change drastically
_specver: 2
modpack:
  name: ATM9
  description: All The Mods 9
install:
  mcVersion: 1.20.1 # **Correct Minecraft Version for ATM9**
  loaderVersion: 47.3.7 # **Correct Forge Version for ATM9**
  installerUrl: "https://files.minecraftforge.net/maven/net/minecraftforge/forge/{{@mcversion@}}-{{@loaderversion@}}/forge-{{@mcversion@}}-{{@loaderversion@}}-installer.jar"
  installerArguments:
  - "--installServer"
  modpackFormat: zip
  baseInstallPath: "~"
  checkFolder: true
  installLoader: true
  connectTimeout: 30
  readTimeout: 30
launch:
  crashLimit: 10
  maxRam: 8
  minRam: 4
  crashTimer: 60min
  preJavaArgs: ~
  startFile: "forge-{{@mcversion@}}-{{@loaderversion@}}.jar"
  startCommand:
  - "@user_jvm_args.txt"
  - "@libraries/net/minecraftforge/forge/{{@mcversion@}}-{{@loaderversion@}}/{{@os@}}_args.txt"
  - "nogui"
  forcedJavaPath: ~
  supportedJavaVersions: [17] # **Correct Java Version for ATM9**

    Important Configuration:

    • mcVersion: Ensure this matches the Minecraft version for your ATM9 modpack.
    • loaderVersion: Ensure this matches the Forge version required by your ATM9 modpack.
    • supportedJavaVersions: Specify the Java version compatible with your ATM9 instance (e.g., Java 17 for newer versions).

    After configuring server-setup-config.yaml, start your server through your hosting provider’s control panel as you normally would. ServerStarter and the configuration file will handle the rest of the setup.

Updating Your All The Mods 9 Server

Keeping your server updated is essential for bug fixes, new features, and modpack improvements. Always back up your server world before performing any updates.

Automatic Updates (Hosting Provider)

If you are using a server hosting provider with a modpack installer, they often provide a one-click update option within your server control panel. This is the simplest way to update your ATM9 server.

Manual Updates

If automatic updates are not available, you can update your server manually using one of the following methods:

Method 1: Selective File Replacement

  1. Backup: Back up your entire server folder, especially the world, config, kubejs, and defaultconfigs folders.
  2. Download New Server Files: Download the latest Server Files for All The Mods 9 from CurseForge.
  3. Delete Folders: Delete the following folders from your existing server: kubejs, defaultconfigs, mods, and config.
  4. Conditional Library Deletion: If the Forge version has changed in the new update, delete the libraries folder and copy the new startserver.bat/sh and forge-installer.jar (if included in the new server files).
  5. Extract New Folders: Extract the deleted folders (kubejs, defaultconfigs, mods, and config) from the newly downloaded Server Files ZIP into your existing server folder.

Method 2: Full File Replacement (Preserving Key Data)

  1. Backup: Back up your entire server folder, especially the world, local, server.properties, and eula.txt files. Also, back up any modified configuration files or kubejs scripts you’ve customized.
  2. Download New Server Files: Download the latest Server Files for All The Mods 9 from CurseForge.
  3. Extract to New Folder: Extract the downloaded Server Files to a completely new, empty folder.
  4. Copy Essential Data: Copy the following from your old server folder to the new server folder:
    • world folder (your server world data)
    • local folder (local server settings)
    • server.properties (your server configuration)
    • eula.txt (EULA agreement)
    • journeymap folder (if you want to preserve JourneyMap data)
    • Manually copy over any modified server configs or kubejs scripts that you backed up.

By following these steps, you can successfully set up and maintain your own All The Mods 9 server, creating a fantastic multiplayer experience for you and your friends. Enjoy exploring everything this incredible modpack has to offer!

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