Changes

<table cellpadding="10" cellspacing="0" width="40%" border="1" style="margin-left:80px"><tr><td>Lab Number</td><td>Description</td></tr><tr><td>0</td><td>Preparation for Labs</td></tr><tr><td>1</td><td>'''Backups and Networking tweaks'''</td></tr><tr><td>2</td><td>Packet Filtering (IP Tables - '''Two Weeks: Part A and Part B?''')</td></tr><tr><td>3</td><td>DNS</td></tr><tr><td>4</td><td>Mail ('''Raymond's Lab''')</td></tr><tr><td>5</td><td>Web-servers</td></tr><tr><td>6</td><td>Samba</td></tr><tr><td>7</td><td>NFS with Automount</td></tr><tr><td>8</td><td>NIS</td></tr></table>