The following example will update system to dev version 2.1:

• Login to the system shell as s root user
• Navigate to servers directory

• Edit httpd update file

• 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

• 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

• 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'