Minecraft_Server.ipynb

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        "\n",
        "**Run a Minecraft Server on Google Colab!**\n",
        "\n",
        "---"
      ]
    },
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      "cell_type": "markdown",
      "metadata": {
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      "source": [
        "# Start the server\n",
        "\n",
        "The script below will start your server. You'll have to create a server first to be able to use it."
      ]
    },
    {
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      "execution_count": null,
      "metadata": {
        "id": "lqtMoYg0dUmu"
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      "source": [
        "from google.colab import drive\n",
        "\n",
        "# Check java version\n",
        "java_ver = !java -version 2>&1 | awk -F[\\\"\\.] -v OFS=. 'NR==1{print $2}'\n",
        "\n",
        "if java_ver[0] == \"11\" :\n",
        "  # Update package list\n",
        "  !sudo apt update &>/dev/null && echo \"apt updated correctly\" || echo \"error updating apt\"\n",
        "\n",
        "  # Remove java 11\n",
        "  !sudo apt remove -y openjdk-11-jdk-headless openjdk-11-jre-headless &>/dev/null && echo \"java 11 removed correctly\" || echo \"error removing java 11\"\n",
        "  !sudo apt autoremove -y &>/dev/null && echo \"packages cleaned correctly\" || echo \"error cleaning packages\"\n",
        "  \n",
        "  # Install java 21\n",
        "  !sudo apt install -y wget apt-transport-https &>/dev/null && echo \"installed wget and apt-transport-https\" || echo \"error installing wget and apt-transport-https\"\n",
        "  !mkdir -p /etc/apt/keyrings &>/dev/null && echo \"created key directory\" || echo \"error creating key directory\"\n",
        "  !wget -O - https://packages.adoptium.net/artifactory/api/gpg/key/public | tee /etc/apt/keyrings/adoptium.asc &>/dev/null && echo \"obtaining keys\" || echo \"error obtaining keys\"\n",
        "  !echo \"deb [signed-by=/etc/apt/keyrings/adoptium.asc] https://packages.adoptium.net/artifactory/deb $(awk -F= '/^VERSION_CODENAME/{print$2}' /etc/os-release) main\" | tee /etc/apt/sources.list.d/adoptium.list &>/dev/null && echo \"keys added\" || echo \"error adding keys\"\n",
        "  !sudo apt update &>/dev/null && echo \"apt updated correctly\" || echo \"error updating apt\"\n",
        "  !sudo apt install temurin-21-jdk &>/dev/null && echo \"java 21 installed correctly.\" || echo \"error installing java 21.\"\n",
        "  \n",
        "  # Clean package list\n",
        "  !sudo apt clean &>/dev/null && echo \"packages cleaned correctly\" || echo \"error cleaning packages\"\n",
        "  \n",
        "  # Check java version\n",
        "  java_ver = !java -version 2>&1 | awk -F[\\\"\\.] -v OFS=. 'NR==1{print $2}'\n",
        "\n",
        "if java_ver[0] == \"21\" :\n",
        "  print(\"java 21 is working correctly, you can continue.\")\n",
        "\n",
        "  # Mount Google Drive\n",
        "  drive.mount(\"/content/drive\")\n",
        "  \n",
        "  # Change directory\n",
        "  %cd \"/content/drive/My Drive/minecraft-server\"\n",
        "\n",
        "  !ls #list directory content\n",
        "\n",
        "  # Server jar name.\n",
        "  jar_name = \"server.jar\"\n",
        "\n",
        "  # Java arguments.\n",
        "  server_flags = \"-XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:G1NewSizePercent=30 -XX:G1MaxNewSizePercent=40 -XX:G1HeapRegionSize=8M -XX:G1ReservePercent=20 -XX:G1HeapWastePercent=5 -XX:G1MixedGCCountTarget=4 -XX:InitiatingHeapOccupancyPercent=15 -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1 -Dusing.aikars.flags=https://mcflags.emc.gs -Daikars.new.flags=true\"\n",
        "  memory_allocation = \"-Xms6G -Xmx6G\"\n",
        "\n",
        "  # Choose tunnel service\n",
        "  # Available Options: ngrok, playit, none\n",
        "  tunnel_service = \"ngrok\"\n",
        "  print(\"Using\", tunnel_service)\n",
        "  \n",
        "  if tunnel_service == \"ngrok\":\n",
        "    !pip -q install pyngrok\n",
        "    from pyngrok import conf, ngrok\n",
        "\n",
        "    # Ngrok token\n",
        "    print(\"Obtain your token from https://dashboard.ngrok.com/get-started/your-authtoken\")\n",
        "    import getpass\n",
        "    authtoken = getpass.getpass() # Set Ngrok token every start or replace it\n",
        "    !ngrok authtoken $authtoken # Ngrok login\n",
        "\n",
        "    # Set Ngrok region\n",
        "    conf.get_default().region = \"sa\" # Change this to region you want, in this case is Sudamerica\n",
        "\n",
        "    # Connect to Ngrok\n",
        "    url = ngrok.connect(25565, 'tcp')\n",
        "    print(\"Your server direction is \" + ((str(url).split('\"')[1::2])[0]).replace(\"tcp://\", \"\"))\n",
        "    print(\"Starting server...\")\n",
        "    !java $memory_allocation $server_flags -jar $jar_name nogui\n",
        "\n",
        "  elif tunnel_service == \"playit\":\n",
        "    !curl -SsL https://playit-cloud.github.io/ppa/key.gpg | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/playit.gpg >/dev/null\n",
        "    !echo \"deb [signed-by=/etc/apt/trusted.gpg.d/playit.gpg] https://playit-cloud.github.io/ppa/data ./\" | sudo tee /etc/apt/sources.list.d/playit-cloud.list\n",
        "    !sudo apt update &>/dev/null && sudo apt install playit &>/dev/null && echo \"Playit.gg installed\" || echo \"error installing Playit.gg\"\n",
        "    print(\"Starting server...\")\n",
        "    !playit & java $memory_allocation $server_flags -jar $jar_name nogui\n",
        "  \n",
        "  elif tunnel_service == \"none\":\n",
        "    print(\"Starting server...\")\n",
        "    !java $memory_allocation $server_flags -jar $jar_name nogui\n",
        "\n",
        "  else:\n",
        "    print(\"Tunnel service not valid\")\n",
        "else:\n",
        "  print(\"java 21 is not installed or is not working\")"
      ]
    },
    {
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      "source": [
        "# Make a server\n",
        "\n",
        "The script below will download a server and accept the EULA. Then you can start it."
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
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      "source": [
        "from google.colab import drive\n",
        "import requests\n",
        "\n",
        "# Replace \"1.21.4\" with version you want.\n",
        "# Available versions:\n",
        "# - 1.21.4\n",
        "# - 1.21\n",
        "# - 1.20.6\n",
        "# - 1.20.4\n",
        "# - 1.20.2\n",
        "# - 1.20.1\n",
        "# - 1.20\n",
        "# - 1.19.2\n",
        "# - 1.19.1\n",
        "# - 1.19\n",
        "# - 1.18.2\n",
        "# - 1.18.1\n",
        "# - 1.18\n",
        "# - 1.17.1\n",
        "# - 1.17\n",
        "# - 1.16.4\n",
        "# - 1.16.3\n",
        "# - 1.15.2\n",
        "# - 1.14.4\n",
        "# - 1.13.2\n",
        "# - 1.12.2\n",
        "# - 1.11.2\n",
        "# - 1.10.2\n",
        "# - 1.9.4\n",
        "# - 1.8.8\n",
        "# New versions maybe work, but is not guaranteed.\n",
        "version = \"1.21.4\"\n",
        "\n",
        "# Choose server type. Available versions: paper, purpur, fabric\n",
        "server_type = \"purpur\"\n",
        "\n",
        "# Server jar name.\n",
        "jar_name = \"server.jar\"\n",
        "\n",
        "drive.mount(\"/content/drive\")\n",
        "!mkdir \"/content/drive/My Drive/minecraft-server\"\n",
        "%cd \"/content/drive/My Drive/minecraft-server\"\n",
        "\n",
        "if server_type == \"paper\":\n",
        "  a = requests.get(\"https://api.papermc.io/v2/projects/paper/versions/\" + version)\n",
        "  b = requests.get(\"https://api.papermc.io/v2/projects/paper/versions/\" + version + \"/builds/\" + str(a.json()[\"builds\"][-1]))\n",
        "  url = \"https://api.papermc.io/v2/projects/paper/versions/\" + version + \"/builds/\" + str(a.json()[\"builds\"][-1]) + \"/downloads/\" + b.json()[\"downloads\"][\"application\"][\"name\"]\n",
        "\n",
        "elif server_type == \"purpur\":\n",
        "  url = \"https://api.purpurmc.org/v2/purpur/\" + version + \"/latest/download\"\n",
        "\n",
        "elif server_type == \"fabric\":\n",
        "  url = \"https://meta.fabricmc.net/v2/versions/loader/\" + version + \"/0.16.10/1.0.1/server/jar\"\n",
        "\n",
        "print(\"Downloading to Google Drive...\")\n",
        "r = requests.get(url)\n",
        "if r.status_code == 200:\n",
        "  with open(\"/content/drive/My Drive/minecraft-server/\" + jar_name, \"wb\") as f:\n",
        "    f.write(r.content)\n",
        "else:\n",
        "  print(\"Error \" + str(r.status_code) + \"! It seems that you choose an unsupported version. Try running the script again.\")\n",
        "\n",
        "# Accept the EULA\n",
        "%cd \"/content/drive/My Drive/minecraft-server\"\n",
        "!echo \"eula=true\" >> eula.txt\n",
        "\n",
        "print(\"Ready!\")"
      ]
    }
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