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page_title: Installation on CRUX Linux page_description: Docker installation on CRUX Linux. page_keywords: crux linux, virtualization, Docker, documentation, installation

CRUX Linux

Note: Docker is still under heavy development! We don’t recommend using it in production yet, but we’re getting closer with each release. Please see our blog post, Getting to Docker 1.0

Note: This is a community contributed installation path. The only ‘official’ installation is using the Ubuntu installation path. This version may be out of date because it depends on some binaries to be updated and published.

Installing on CRUX Linux can be handled via the ports from James Mills:

The docker port will install the latest tagged version of Docker. The docker-bin port will install the latest tagged versin of Docker from upstream built binaries. The docker-git package will build from the current master branch.

Installation

For the time being (until the CRUX Docker port(s) get into the official contrib repository) you will need to install James Mills’ ports repository. You can do so via:

Download the httpup file to /etc/ports/:

curl -q -o - http://crux.nu/portdb/?a=getup&q=prologic > /etc/ports/prologic.httpup

Add prtdir /usr/ports/prologic to /etc/prt-get.conf:

vim /etc/prt-get.conf

# or:
echo "prtdir /usr/ports/prologic" >> /etc/prt-get.conf

Update ports and prt-get cache:

ports -u
prt-get cache

To install (and its dependencies):

prt-get depinst docker

Use docker-bin for the upstream binary or docker-git to build and install from the master branch from git.

Kernel Requirements

To have a working CRUX+Docker Host you must ensure your Kernel has the necessary modules enabled for LXC containers to function correctly and Docker Daemon to work properly.

Please read the README.rst:

prt-get readme docker

There is a test_kernel_config.sh script in the above ports which you can use to test your Kernel configuration:

cd /usr/ports/prologic/docker
./test_kernel_config.sh /usr/src/linux/.config

Starting Docker

There is a rc script created for Docker. To start the Docker service:

sudo su -
/etc/rc.d/docker start

To start on system boot:

  • Edit /etc/rc.conf
  • Put docker into the SERVICES=(...) array after net.