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[zhangyang <advzhangyang@xxxxxxxxx>]

Following the above description.
I have known a solution:
~$ sudo ln -s /etc/apparmor.d/sbin.dhclient /etc/apparmor.d/disable/  
~$ sudo /etc/init.d/apparmor reload 
~$ sudo /etc/init.d/apparmor restart
~$ sudo /etc/init.d/networking restart
~$ sudo dhclient enp0s3

but I think this method is insecurity.I want to know Why did it
happen?And How to fix it.

I am using "ubuntu-15.10-desktop-amd64.iso" and "overlayroot".

need any help
Thanks

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Touch seeded packages, which is subscribed to apparmor in Ubuntu.
https://bugs.launchpad.net/bugs/1541450

Title:
  overlayroot read-only mode apparmor dhclient DENIED

Status in apparmor package in Ubuntu:
  New

Bug description:
  Dear all:
      I am using the overlayroot and working on read-only mode ,and then I can`t connect network and dhclient .

  cat /var/log/kernel.log below

  Feb  3 23:17:53 zy-VirtualBox kernel: [   49.049090] audit: type=1400
  audit(1454512673.592:44): apparmor="DENIED" operation="getattr"
  info="Failed name lookup - disconnected path" error=-13
  profile="/sbin/dhclient" name="etc/ld.so.cache" pid=1217
  comm="dhclient" requested_mask="r" denied_mask="r" fsuid=0 ouid=0

  Feb  3 23:17:53 zy-VirtualBox kernel: [   49.049253] audit: type=1400
  audit(1454512673.592:45): apparmor="DENIED" operation="getattr"
  info="Failed name lookup - disconnected path" error=-13
  profile="/sbin/dhclient" name="lib/x86_64-linux-gnu/libirs-
  export.so.91.0.0" pid=1217 comm="dhclient" requested_mask="r"
  denied_mask="r" fsuid=0 ouid=0

  when I use "dhclient enp0s3",the error message is "dhclient: error
  while loading shared libraries: libirs-export.so.91: cannot stat
  shared object: Permission denied"

  need any help
  Thanks
  zy

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