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[Bug 1480004] Re: Prevent cgroup filesystem from getting mounted

 

Yes, trusty's /etc/init/docker.io.conf has:

mount -t tmpfs -o uid=0,gid=0,mode=0755 cgroup /sys/fs/cgroup

** Changed in: cgroup-lite (Ubuntu)
       Status: Incomplete => Invalid

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https://bugs.launchpad.net/bugs/1480004

Title:
  Prevent cgroup filesystem from getting mounted

Status in cgroup-lite package in Ubuntu:
  Invalid

Bug description:
  On trusty (14.04.1), I installed `cgroup-lite` (1.9) which mounts the
  virtual FS for cgroups subsystems in `/sys/fs/cgroup/*`. I've executed
  `cgclear` (from the `cgroup-bin` package) and uninstalled/purged
  `cgroup-lite`. When I reboot, the subsystems are mounted again.
  Question is: how can I prevent this from happening? Is there any
  config/script file that is read/executed when booting that
  accomplishes this?

  No other packages related to cgroups (e.g. `lxc`, `libcgroup1` or
  `cgmanager`) are installed.

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References