Install a Minecraft Server in a Raspberry Pi or any server with Ubuntu or as container in microk8s or any Kubernetes compatible cluster.

Ubuntu Server for Raspberry Pi 4 or Ubuntu Server Standard

Workstation with Ansible 2.9 installed

1. Edit /var/snap/microk8s/current/args/containerd file and change --root and --state folders to /mnt/

$ sudo cat /var/snap/microk8s/current/args/containerd
--config ${SNAP_DATA}/args/containerd.toml
--root /mnt/var/lib/containerd
--state /mnt/run/containerd
--address ${SNAP_COMMON}/run/containerd.sock

2. K8s was complaining that the cgroup memory was not enabled.

Looking at /proc/cgroups was showing memeory disabled.

Edit /boot/firmware/nobtcmd.txt file, appending cgroup_enable=memory cgroup_memory=1. and rebooting.

ansible_user=pi // System user minecraft_user=pi // Minecraft Server user minecraft_server=spigot.jar // executable version for running server max_player=5 // simultaneous players in Server distance=04 // Draw distance of the server memory=364 // RAM for run the server

Better if you add to $HOME/.ssh/config the following entry:

Host 192.168.1.132
   PreferredAuthentications publickey
   IdentityFile ~/.ssh/raspi
   user ubuntu

$ cd minecraft/files
$ docker build -t juanviz/rpi-minecraft-spigot .
$ docker images

$ juanviz/rpi-minecraft-alpine-spigot   latest              bd3ef31059fe        23 minutes ago         232MB
$ docker tag bd3ef31059fe juanviz/rpi-minecraft-alpine-spigot
$ docker push juanviz/rpi-minecraft-alpine-spigot

Including an example of how to use your role (for instance, with variables passed in as parameters) is always nice for users too:

• hosts: '{{host}}' roles:
  • /Users/jvherrera/repositories/minecraft_ansible/minecraft

ansible-playbook  -i inventory.yml -u ubuntu  minecraft.yml  --extra-vars "host=pi mode=pi boot=yes"
ansible-playbook  -i inventory.yml -u ubuntu  minecraft.yml  --extra-vars "host=ec2 mode=pi boot=yes"
ansible-playbook  -i inventory.yml -u ubuntu  minecraft.yml  --extra-vars "host=pi mode=k8s"

minecraft.net ansible.com Raspberry Pi https://www.spigotmc.org/wiki/spigot-installation/#linux http://minecraft.gamepedia.com/Pi_Edition https://www.raspberrypi.org/learning/getting-started-with-minecraft-pi/worksheet/ https://pimylifeup.com/raspberry-pi-minecraft-server/ https://hub.docker.com/r/ulsmith/rpi-minecraft-alpine-spigot EC2 https://qwiklabs.com/focuses/2628?locale=en

BSD

@jvicenteherrera juanvicenteherrera.es