Better mysql install hints

Doc/Sda1/prerequisites.xml

@@ -351,35 +351,37 @@ Do you want to continue? [Y/n/?]</programlisting>
       Server. We create a database <quote>hdm</quote> to be used for our
       exercises:</para>
 
-      <programlisting language="none">goik@goiki:~$ mysql -u root -p
+      <programlisting language="none">goik@hopc ~&gt; mysql -u root -p
 Enter password: 
-Welcome to the MySQL monitor.  Commands end with ; or \g.
-Your MySQL connection id is 42
-Server version: 5.5.24-0ubuntu0.12.04.1 (Ubuntu)
 
-Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
-
-Oracle is a registered trademark of Oracle Corporation and/or its
-affiliates. Other names may be trademarks of their respective
-owners.
-
-Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
+... messages omitted for brevity ...
 
 mysql&gt; <emphasis role="bold">create database hdm;</emphasis>
 Query OK, 1 row affected (0.00 sec)</programlisting>
 
       <para>Following <uri
       xlink:href="https://dev.mysql.com/doc/refman/5.5/en/adding-users.html">https://dev.mysql.com/doc/refman/5.5/en/adding-users.html</uri>
-      we add a new user and grant full access to the newly created
-      database:</para>
-
-      <programlisting language="none">goik@goiki:~$ mysql -u root -p
-Enter password:                                                                                                                                                         
- ...                                                                                                                                                                                                                                                          
-mysql&gt; CREATE USER 'hdmuser'@'localhost' IDENTIFIED BY 'XYZ';
-mysql&gt; use hdm;
-mysql&gt; GRANT ALL PRIVILEGES ON *.* TO 'hdmuser'@'localhost' WITH GRANT OPTION;
-mysql&gt; FLUSH PRIVILEGES;</programlisting>
+      we add <code>hdmuser</code> as a new user and grant full access to the
+      newly created database <code>hdm to him</code>:</para>
+
+      <programlisting language="none"> ...                                                                                                                                                                                                                                                          
+mysql&gt; <emphasis role="bold">CREATE USER 'hdmuser'@'localhost' IDENTIFIED BY 'XYZ';</emphasis>
+mysql&gt; <emphasis role="bold">use hdm;</emphasis>
+mysql&gt; <emphasis role="bold">GRANT ALL PRIVILEGES ON *.* TO 'hdmuser'@'localhost' WITH GRANT OPTION;</emphasis>
+mysql&gt; <emphasis role="bold">FLUSH PRIVILEGES;</emphasis>
+mysql&gt; exit;
+Bye</programlisting>
+
+      <para>You may want to test your configuration:</para>
+
+      <programlisting language="none">goik@hopc ~&gt; mysql --user=hdmuser --password=XYZ
+
+... messages omitted for brevity ...
+
+mysql&gt; use hdm;show tables;
+Database changed
+Empty set (0,00 sec)
+mysql&gt;</programlisting>
 
       <para>The next step is optional. The <productname
       xlink:href="http://www.ubuntu.com">Ubuntu</productname> <productname