diff --git a/docs/sources/installation/ubuntulinux.rst b/docs/sources/installation/ubuntulinux.rst index 0fd24e9996..24146e3247 100644 --- a/docs/sources/installation/ubuntulinux.rst +++ b/docs/sources/installation/ubuntulinux.rst @@ -217,6 +217,26 @@ To install the latest version of docker, use the standard ``apt-get`` method: # install the latest sudo apt-get install lxc-docker +Memory and Swap Accounting +^^^^^^^^^^^^^^^^^^^^^^^^^^ + +If want to enable memory and swap accounting, you must add the following +command-line parameters to your kernel:: + + cgroup_enable=memory swapaccount=1 + +On systems using GRUB (which is the default for Ubuntu), you can add those +parameters by editing ``/etc/default/grub`` and extending +``GRUB_CMDLINE_LINUX``. Look for the following line:: + + GRUB_CMDLINE_LINUX="" + +And replace it by the following one:: + + GRUB_CMDLINE_LINUX="cgroup_enable=memory swapaccount=1" + +Then run ``update-grub``, and reboot. + Troubleshooting ^^^^^^^^^^^^^^^