--- doc/build/ubuntu10LTS_install.frag	2011/06/08 22:28:05	1.3
+++ doc/build/ubuntu10LTS_install.frag	2011/06/09 02:59:36	1.5
@@ -99,11 +99,16 @@ sudo allow ssh
 sudo allow www
 sudo allow https
 </pre>
-   <dt>E-mail Configuration</dt>
-   <dd>By default Ubuntu disallows mailing to remote domains. Change using<dd>
+   <dt>E-mail: Postfix Installation</dt>
+   <dd>Configure to "Internet Site" to allow LON-CAPA to send e-mail to users.</dd>
 <pre>
-sudo dpkg-reconfigure exim4-config
-</pre
+sudo apt-get install postfix
+</pre>
+   <dt>E-mail: Postfix Configuration</dt>
+   <dd>If you need to change the postfix configuration in the future use:<dd>
+<pre>
+sudo dpkg-reconfigure postfix
+</pre>
 </p>
 
 <h2>4. <a name="upd">Update your system</a></h2>
@@ -118,20 +123,12 @@ sudo apt-get upgrade
 If kernel packages were updated, reboot your system before continuing with the installation.
 </p>
 <p>
-Retrieve the ubuntu10_LTS_sources.list file from the LON-CAPA install site:
+Add LON-CAPA ubuntu repository to your /etc/apt/sources.list file. 
 </p>
 <pre>
-wget http://install.loncapa.org/versions/ubuntu/10.04/ubuntu10_LTS_sources.list
+sudo apt-get install python-software-properties
+sudo apt-add-repository 'deb http://install.loncapa.org/ubuntu lucid main'
 </pre>
-<p>
-Install ubuntu10_LTS_sources.list
-</p>
-<p>
-<pre>
-mv /etc/apt/sources.list /etc/apt/sources.list.backup
-cp ubuntu10_LTS_sources.list /etc/apt/sources.list
-</pre>
-</p>
 <h2>5. <a name="ilc">Installing LON-CAPA</a></h2>
 <h3>Import the LON-CAPA encryption key</h3>
 <pre>
@@ -253,15 +250,12 @@ in the previous section.
 You will need at least one user at your site who has the role of
 'domain coordinator'.  This user creates accounts for other users and
 grants them additional privileges.  The make_domain_coordinator.pl script
-invoked below requires that you enter the users password.  The password will
-show in plaintext as you type it.  Feel free to use the "passwd username"
-command to change it later.  Replace USERNAME and DOMAIN with an 
-appropriate user name and your domain.
+invoked below requires that you enter the user's password.
+Replace USERNAME and DOMAIN with an appropriate username and your domain.
 </p>
 <pre>
 cd /root/loncapa-X.Y.Z/loncom/build
 perl make_domain_coordinator.pl USERNAME DOMAIN
-(WILL PROMPT FOR PASSWORD HERE)
 </pre>
 
 <h2>7. <a name="sts">Start/Restart Services</a></h2>