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Diffstat (limited to 'docs/sources/installation/binaries.rst')
| -rw-r--r-- | docs/sources/installation/binaries.rst | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/docs/sources/installation/binaries.rst b/docs/sources/installation/binaries.rst index bfdfbe211f..c31e19acc4 100644 --- a/docs/sources/installation/binaries.rst +++ b/docs/sources/installation/binaries.rst @@ -29,6 +29,12 @@ To run properly, docker needs the following software to be installed at runtime: - iptables version 1.4 or later - Git version 1.7 or later - XZ Utils 4.9 or later +- a `properly mounted + <https://github.com/tianon/cgroupfs-mount/blob/master/cgroupfs-mount>`_ + cgroupfs hierarchy (having a single, all-encompassing "cgroup" mount point `is + <https://github.com/dotcloud/docker/issues/2683>`_ `not + <https://github.com/dotcloud/docker/issues/3485>`_ `sufficient + <https://github.com/dotcloud/docker/issues/4568>`_) Check kernel dependencies @@ -37,6 +43,9 @@ Check kernel dependencies Docker in daemon mode has specific kernel requirements. For details, check your distribution in :ref:`installation_list`. +In general, a 3.8 Linux kernel (or higher) is preferred, as some of the +prior versions have known issues that are triggered by Docker. + Note that Docker also has a client mode, which can run on virtually any Linux kernel (it even builds on OSX!). @@ -49,6 +58,9 @@ Get the docker binary: wget https://get.docker.io/builds/Linux/x86_64/docker-latest -O docker chmod +x docker +.. note:: + If you have trouble downloading the binary, you can also get the smaller + compressed release file: https://get.docker.io/builds/Linux/x86_64/docker-latest.tgz Run the docker daemon --------------------- @@ -77,7 +89,8 @@ always run as the root user, but if you run the ``docker`` client as a user in the *docker* group then you don't need to add ``sudo`` to all the client commands. -.. warning:: The *docker* group is root-equivalent. +.. warning:: The *docker* group (or the group specified with ``-G``) is + root-equivalent; see :ref:`dockersecurity_daemon` details. Upgrades |