[install-guide] Minor edits to the env chap of the ubuntu guide

Change-Id: I48c738e7b5f4b2ce3a9d441e65617e1afd9a8892

doc/install-guide/source/environment-networking.rst

@@ -10,7 +10,7 @@ Host networking
    recommend that you disable any automated network management tools and
    manually edit the appropriate configuration files for your distribution.
    For more information on how to configure networking on your
-   distribution, see the `documentation <https://help.ubuntu.com/lts/serverguide/network-configuration.html>`__ .
+   distribution, see the `documentation <https://help.ubuntu.com/lts/serverguide/network-configuration.html>`_.
 
 .. endonly
 
@@ -21,7 +21,8 @@ Host networking
    recommend that you disable any automated network management tools and
    manually edit the appropriate configuration files for your distribution.
    For more information on how to configure networking on your
-   distribution, see the `documentation <https://wiki.debian.org/NetworkConfiguration>`__ .
+   distribution, see the `documentation
+   <https://wiki.debian.org/NetworkConfiguration>`__ .
 
 .. endonly
 
@@ -32,7 +33,8 @@ Host networking
    recommend that you disable any automated network management tools and
    manually edit the appropriate configuration files for your distribution.
    For more information on how to configure networking on your
-   distribution, see the `documentation <https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Networking_Guide/sec-Using_the_Command_Line_Interface.html>`__ .
+   distribution, see the `documentation
+   <https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Networking_Guide/sec-Using_the_Command_Line_Interface.html>`__ .
 
 .. endonly
 
@@ -43,19 +45,23 @@ Host networking
    recommend that you disable any automated network management tools and
    manually edit the appropriate configuration files for your distribution.
    For more information on how to configure networking on your
-   distribution, see the `SLES 12 <https://www.suse.com/documentation/sles-12/book_sle_admin/data/sec_basicnet_manconf.html>`__ or `openSUSE <http://activedoc.opensuse.org/book/opensuse-reference/chapter-13-basic-networking>`__ documentation.
+   distribution, see the `SLES 12
+   <https://www.suse.com/documentation/sles-12/book_sle_admin/data/sec_basicnet_manconf.html>`__
+   or `openSUSE
+   <http://activedoc.opensuse.org/book/opensuse-reference/chapter-13-basic-networking>`__
+   documentation.
 
 .. endonly
 
 All nodes require Internet access for administrative purposes such as package
 installation, security updates, :term:`DNS <Domain Name System (DNS)>`, and
 :term:`NTP <Network Time Protocol (NTP)>`. In most cases, nodes should obtain
-internet access through the management network interface.
+Internet access through the management network interface.
 To highlight the importance of network separation, the example architectures
 use `private address space <https://tools.ietf.org/html/rfc1918>`__ for the
 management network and assume that the physical network infrastructure
 provides Internet access via :term:`NAT <Network Address Translation (NAT)>`
-or other method. The example architectures use routable IP address space for
+or other methods. The example architectures use routable IP address space for
 the provider (external) network and assume that the physical network
 infrastructure provides direct Internet access.
 
@@ -89,14 +95,14 @@ You can modify these ranges and gateways to work with your particular
 network infrastructure.
 
 Network interface names vary by distribution. Traditionally,
-interfaces use "eth" followed by a sequential number. To cover all
-variations, this guide simply refers to the first interface as the
+interfaces use ``eth`` followed by a sequential number. To cover all
+variations, this guide refers to the first interface as the
 interface with the lowest number and the second interface as the
 interface with the highest number.
 
 Unless you intend to use the exact configuration provided in this
 example architecture, you must modify the networks in this procedure to
-match your environment. Also, each node must resolve the other nodes by
+match your environment. Each node must resolve the other nodes by
 name in addition to IP address. For example, the ``controller`` name must
 resolve to ``10.0.0.11``, the IP address of the management interface on
 the controller node.

doc/install-guide/source/environment-ntp-verify.rst

@@ -22,7 +22,7 @@ node, can take several minutes to synchronize.
    .. end
 
    Contents in the *Name/IP address* column should indicate the hostname or IP
-   address of one or more NTP servers.  Contents in the *S* column should indicate
+   address of one or more NTP servers. Contents in the *MS* column should indicate
    *\** for the server to which the NTP service is currently synchronized.
 
 #. Run the same command on *all other* nodes:

doc/install-guide/source/environment-security.rst

@@ -3,12 +3,12 @@ Security
 
 OpenStack services support various security methods including password,
 policy, and encryption. Additionally, supporting services including the
-database server and message broker support at least password security.
+database server and message broker support password security.
 
 To ease the installation process, this guide only covers password
 security where applicable. You can create secure passwords manually,
 generate them using a tool such as
-`pwgen <http://sourceforge.net/projects/pwgen/>`__, or by running the
+`pwgen <http://sourceforge.net/projects/pwgen/>`_, or by running the
 following command:
 
 .. code-block:: console
@@ -22,7 +22,7 @@ service account passwords and ``SERVICE_DBPASS`` to reference database
 passwords.
 
 The following table provides a list of services that require passwords
-and their associated references in the guide:
+and their associated references in the guide.
 
 .. list-table:: **Passwords**
    :widths: 50 60
@@ -39,7 +39,7 @@ and their associated references in the guide:
    * - ``CINDER_PASS``
      - Password of Block Storage service user ``cinder``
    * - ``DASH_DBPASS``
-     - Database password for the dashboard
+     - Database password for the Dashboard
    * - ``DEMO_PASS``
      - Password of user ``demo``
    * - ``GLANCE_DBPASS``
@@ -68,7 +68,7 @@ policies. See the `OpenStack Administrator Guide <http://docs.openstack.org/
 admin-guide/compute-root-wrap-reference.html>`__
 for more information.
 
-Also, the Networking service assumes default values for kernel network
+The Networking service assumes default values for kernel network
 parameters and modifies firewall rules. To avoid most issues during your
 initial installation, we recommend using a stock deployment of a supported
 distribution on your hosts. However, if you choose to automate deployment

doc/install-guide/source/environment-sql-database.rst

@@ -190,7 +190,7 @@ Finalize installation
 
    2. Secure the database service by running the ``mysql_secure_installation``
       script. In particular, choose a suitable password for the database
-      ``root`` account.
+      ``root`` account:
 
       .. code-block:: console
 

doc/install-guide/source/shared/edit_hosts_file.txt

@@ -25,10 +25,10 @@ Edit the ``/etc/hosts`` file to contain the following:
    Some distributions add an extraneous entry in the ``/etc/hosts``
    file that resolves the actual hostname to another loopback IP
    address such as ``127.0.1.1``. You must comment out or remove this
-   entry to prevent name resolution problems. **Do not remove the
-   127.0.0.1 entry.**
+   entry to prevent name resolution problems.
+   **Do not remove the 127.0.0.1 entry.**
 
 .. note::
 
-   To reduce complexity of this guide, we add host entries for optional
-   services regardless of whether you choose to deploy them.
+   This guide includes host entries for optional services in order to reduce
+   complexity should you choose to deploy them.