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dev-manual: Applied review edits to section on hostname changing 

Edits to the "Customizing an Image Hostname" section from Ross.
Updated the last paragraph to not imply incorrect information.

Fixes [YOCTO #7417]

(From yocto-docs rev: 8997be297077ee0052a5afbe50b9864cdef14058)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Scott Rifenbark 2015-03-20 15:25:31 -07:00 committed by Richard Purdie
parent 12c7efe40a
commit 4783ead254
1 changed files with 13 additions and 11 deletions
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24
documentation/dev-manual/dev-manual-common-tasks.xml
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@ -1175,7 +1175,7 @@
<title>Customizing an Image Hostname</title>
<para>
By default the configured hostname (i.e.
By default, the configured hostname (i.e.
<filename>/etc/hostname</filename>) in an image is the
same as the machine name.
For example, if
@ -1186,12 +1186,9 @@
<para>
You can customize this name by altering the value of the
"hostname" variable in the base-files recipe using either
"hostname" variable in the
<filename>base-files</filename> recipe using either
an append file or a configuration file.
<note>
Setting the variable to "" causes no hostname to be
written to <filename>/etc/hostname</filename>.
</note>
Use the following in an append file:
<literallayout class='monospaced'>
hostname="myhostname"
@ -1218,11 +1215,16 @@
</para>
<para>
Another point of interest is that if you leave the variable
"hostname" unset, the image will have no default hostname
in the filesystem.
This condition is suitable for environments that use
dynamic hostnames such as virtual machines.
Another point of interest is that if you unset the variable,
the image will have no default hostname in the filesystem.
Here is an example that unsets the variable in a
configuration file:
<literallayout class='monospaced'>
hostname_pn-base-files = ""
</literallayout>
Having no default hostname in the filesystem is suitable for
environments that use dynamic hostnames such as virtual
machines.
</para>
</section>
</section>