Run UBOS with Docker

UBOS is available on the Docker hub. To run UBOS using Docker:

1. Make sure you have a reasonably recent Docker installation on your machine.

2. Boot UBOS with a command such as this:

   % docker run -i -t --privileged -p 8080:80 ubos/ubos-green
   

   Note

   Depending on your Docker installation, you may need to run this command with ``sudo``.

   While that looks somewhat intimidating, all this command really says is: “Boot the image called ubos/ubos-green, keep the terminal around, give it the privileges it needs, and let me access it with a web browser through my local 8080 port.”

   As UBOS is a full operating system, not just an application running in a container, it needs the `–privileged`` flag.

3. When the boot process is finished, log in as user root. For password, see I need root. Alternatively, execute docker exec -i -t <name> /bin/bash or such in a separate terminal to obtain a root shell in the container.

4. Now: wait. UBOS needs to generate a few cryptographic keys before it is ready to use and initialize a few other things on the first boot. That might take a few minutes. To determine whether UBOS ready, execute:

   % systemctl is-system-running
   

   The Docker container takes entropy from the host computer, so make sure the host system provides enough. Depending your Linux distro, you may be able to generate more by typing on the keyboard, moving the mouse, generating hard drive activity etc. You can also run:

   % sudo systemctl start haveged
   

   on your host (not in your Docker container).

5. Check that your Docker container has acquired an IP address:

   % ip addr
   

   Make sure you are connected to the internet before attempting to proceed.

6. Update UBOS to the latest and greatest:

   % sudo ubos-admin update
   

7. You are now ready for Setting up your first Site and App.

8. To shut down your Docker container, execute

   % systemctl poweroff