Ubuntu

setting static ip

• edit /etc/netplan/01-netcfg.yaml
• Un the desired interface

dhcp4: no
      addresses:
        - 10.0.5.x
      gateway4: 10.0.5.2
      nameservers:
          addresses: [10.0.5.5]

• Apply the netplan with sudo netplan apply
• Check IP and DNS after configuration

Adding privileged user

• add user useradd -m username
• change user password passwd username
• add user to groups usermod -aG sudo,adm username

Docker

Usefull docker commands

• Full documentation
• docker images shows downloaded containers
• Docker run 'program' runs the specified program in a container. use -rm to remove the container after run. -d runs in detached mode. -P exposes the container to all ports.
• docker ps shows running containers.
• docker stop 'container' stops the specified container
• docker-compose up -d run in the directory with a docker-compose yaml file.

Reflection

In this lab, I learned how to set up a ubuntu box for use and use docker to set up applications quickly. Docker is much easier than I had initially thought.