Useful Ubuntu 22.04 VM Commands

[Magic]

Setting up Cloud-Init

1. Set user to root
2. Give root user a password
3. Set to no (not enough storage, yet)
4. Set network settings
5. Regenerate Image

Now you can start the VM

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Select xterm.js under the Console pull down for copy/paste functions

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Resize the Bootdisk (/dev/sda)

Hardware > Hard Disk (scsi0) > Disk Action > Resize

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Expand VM Disk using parted (/dev/sda1)

parted /dev/sda
resizepart 1
Fix/Ignore? Fix
Partition number? 1
Yes/No? Yes
End? [2146MB]? -0
(parted) quit
reboot

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Get SSH Going

sed -i -e 's/#PermitRootLogin prohibit-password/PermitRootLogin yes/g' -e 's/^PasswordAuthentication.*/PasswordAuthentication yes/' /etc/ssh/sshd_config
rm /etc/ssh/sshd_config.d/60-cloudimg-settings.conf
systemctl restart sshd

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Add Guest Agent

apt-get update && apt-get -y upgrade
apt-get install -y qemu-guest-agent

reboot

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Install Docker

sh <(curl -sSL https://get.docker.com)

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Install Docker Compose

LATEST=$(curl -sL https://api.github.com/repos/docker/compose/releases/latest | grep '"tag_name":' | cut -d'"' -f4)
DOCKER_CONFIG=${DOCKER_CONFIG:-$HOME/.docker}
mkdir -p $DOCKER_CONFIG/cli-plugins
curl -sSL https://github.com/docker/compose/releases/download/$LATEST/docker-compose-linux-x86_64 -o ~/.docker/cli-plugins/docker-compose
chmod +x $DOCKER_CONFIG/cli-plugins/docker-compose
docker compose version

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Add Dockge

• Install Docker Compose first

mkdir -p /opt/{dockge,stacks}
wget -q -O /opt/dockge/compose.yaml https://raw.githubusercontent.com/louislam/dockge/master/compose.yaml
cd /opt/dockge
docker compose up -d

Dockge GUI, https:// IP:5001

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Add Portainer

• Docker run

docker volume create portainer_data
docker run -d \
  -p 8000:8000 \
  -p 9443:9443 \
  --name=portainer \
  --restart=always \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v portainer_data:/data \
  portainer/portainer-ce:latest

Portainer GUI, https:// IP:9443