Useful Debian 12 VM Commands

[MickLesk]

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

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Get SSH Going

apt install openssh-client
apt install openssh-server
passwd root

sed -i -e 's/#PermitRootLogin prohibit-password/PermitRootLogin yes/g' -e 's/^PasswordAuthentication.*/PasswordAuthentication yes/' /etc/ssh/sshd_config
ssh-keygen -A
systemctl restart sshd

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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)

apt-get update
apt-get install -y parted

parted /dev/sda
resizepart 1
Fix/Ignore? Fix
Partition number? 1
Yes/No? Yes
End? [2146MB]? -0
(parted) quit
(reboot if not going further)

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Add Guest Agent

apt-get install qemu-guest-agent

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Change Hostname (replace "docker-vm" with whatever you want)

hostnamectl set-hostname docker-vm
sed -i '2i127.0.1.1       docker-vm' /etc/hosts
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}
curl -sSL https://raw.githubusercontent.com/louislam/dockge/master/compose.yaml --output /opt/dockge/compose.yaml
cd /opt/dockge
docker compose up -d

Dockge GUI, https:// IP:5001

---

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

Migrated from: tteck/Proxmox#1988

Added 2025-02-25 - Debian Cloud Networking

set a static ip by editing /etc/netplan/90-default.yaml from:

    network:
        version: 2
        ethernets:
            all-en:
                match:
                    name: en*
                dhcp4: true
                dhcp4-overrides:
                    use-domains: true
                dhcp6: true
                dhcp6-overrides:
                    use-domains: true
            all-eth:
                match:
                    name: eth*
                dhcp4: true
                dhcp4-overrides:
                    use-domains: true
                dhcp6: true
                dhcp6-overrides:
                        use-domains: true
    

To:

   network:
        version: 2
        renderer: networkd
        ethernets:
          ens18:
            dhcp4: no
            addresses: [x.x.x.x/24]
            routes:
              - to: default
                via: x.x.x.x
            nameservers:
              addresses: [x.x.x.x,x.x.x.x]
              search: []

[MickLesk]

Added 2025-02-25

Debian Cloud Networking