Merge "Do not install linux-image-extra by default"

deploy-guide/source/targethosts-prepare.rst

@@ -56,6 +56,12 @@ Configure Ubuntu
        # apt-get install bridge-utils debootstrap ifenslave ifenslave-2.6 \
          lsof lvm2 ntp ntpdate openssh-server sudo tcpdump vlan python
 
+#. Install the kernel extra package if you have one for your kernel version \
+
+   .. code-block:: shell-session
+
+       # apt install linux-image-extra-$(uname -r)
+
 #. Add the appropriate kernel modules to the ``/etc/modules`` file to
    enable VLAN and bond interfaces:
 

tests/roles/bootstrap-host/vars/ubuntu.yml

@@ -25,7 +25,6 @@ packages_install:
   - iptables
   - iputils-tracepath
   - ipython
-  - linux-image-extra-{{ ansible_kernel }}
   - lvm2
   - parted
   - python2.7