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  The following example will update system to dev version 2.1:
 - Login to the system shell as s root user
 - Navigate to servers directory 
 
  'cd /home/servers'  
  'nano httpd/sh/update'  
 - Find the line that starts with "PROJECT=" and set it to PROJECT="httpd-2.1"    NOTE: If  "httpd-2.1" produces error, use "ROJECT="httpd-2.1-gnap" line
  - Press 'CTRL+O' to save the file
 - Press 'CTRL+X' to exit the editor
 - Edit pbxware update file 
 
  'nano pbxware/sh/update'  
 - Find the line that starts with "PROJECT=" and set it to PROJECT="pbxware-2.1"
 - Press 'CTRL+O' to save the file
 - Press 'CTRL+X' to exit the editor
 - Edit sitemanager update file 
 
  'nano sitemanager/sh/update'  
 - Find the line that starts with "PROJECT=" and set it to PROJECT="sitemanager-2.1"
 - Press 'CTRL+O' to save file
 - Press 'CTRL+X' to exit editor
 - Update httpd '/home/servers/httpd/sh/update' (Username: 'pbxware', Password: 'update')
 - Update pbxware '/home/servers/pbxware/sh/update' (Username: 'pbxware', Password: 'update')
 - Update sitemanager '/home/servers/sitemanager/sh/update' (Username: 'pbxware', Password: 'update')
 - Restart httpd '/home/servers/httpd/sh/stop', '/home/servers/httpd/sh/start'
 - Restart pbxware '/home/servers/pbxware/sh/stop',  '/home/servers/pbxware/sh/start'
 - Restart sitemanager '/home/servers/sitemanager/sh/stop',  '/home/servers/sitemanager/sh/start'
                      
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