ref-manual, yocto-project-qs, poky.ent: Fixed CentOS essentials

Fixes [YOCTO #10854]

I added extra "yum" commands and a make command to deal with
some essential packages needed for CentOS distribution.  These
packages were missing.

(From yocto-docs rev: 38ac6cf0165f7dd7bbfd583e218b6948dafae29c)

Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 27 insertions, 7 deletions

diff --git a/documentation/yocto-project-qs/yocto-project-qs.xml b/documentation/yocto-project-qs/yocto-project-qs.xml
index b64e6224ae..5100149c9c 100644
--- a/documentation/yocto-project-qs/yocto-project-qs.xml
+++ b/documentation/yocto-project-qs/yocto-project-qs.xml
@@ -339,13 +339,33 @@
                         <literallayout class='monospaced'>
      $ sudo yum install &CENTOS_HOST_PACKAGES_ESSENTIAL; SDL-devel xterm
                         </literallayout>
-                        <note>
-                            CentOS 6.x users need to ensure that the required
-                            versions of Git, tar and Python are available.
-                            For details, See the
-                            "<ulink url='&YOCTO_DOCS_REF_URL;#required-git-tar-and-python-versions'>Required Git, tar, and Python Versions</ulink>"
-                            section in the Yocto Project Reference Manual for
-                            information.
+                        <note><title>Notes</title>
+                            <itemizedlist>
+                                <listitem><para>
+                                    CentOS 6.x users need to ensure that the
+                                    required versions of Git, tar and Python
+                                    are available.
+                                    For details, See the
+                                    "<ulink url='&YOCTO_DOCS_REF_URL;#required-git-tar-and-python-versions'>Required Git, tar, and Python Versions</ulink>"
+                                    section in the Yocto Project Reference
+                                    Manual for information.
+                                    </para></listitem>
+                                <listitem><para>
+                                    Extra Packages for Enterprise Linux
+                                    (i.e. <filename>epel-release</filename>)
+                                    is a collection of packages from Fedora
+                                    built on RHEL/CentOS for easy installation
+                                    of packages not included in enterprise
+                                    Linux by default.
+                                    You need to install these packages
+                                    separately.
+                                    </para></listitem>
+                                <listitem><para>
+                                    The <filename>makecache</filename> command
+                                    consumes additional Metadata from
+                                    <filename>epel-release</filename>.
+                                    </para></listitem>
+                            </itemizedlist>
                         </note>
                         </para></listitem>
                 </itemizedlist>