If you cannot install the operating system through Lenovo XClarity Administrator or Lenovo XClarityProvisioning Manager, you can install the operating system manually. For more information aboutinstalling a specific operating system:1. Go to http://datacentersupport.lenovo.com and navigate to the support page for your solution.2. Click How-tos & Solutions.3. Select an operating system and the installation instructions will be displayed.Back up the solution configurationAfter setting up the solution or making changes to the configuration, it is a good practice to make a completebackup of the solution configuration.Make sure that you create backups for the following solution components:• Management processorYou can back up the management processor configuration through the Lenovo XClarity Controllerinterface. For details about backing up the management processor configuration, see:http://sysmgt.lenovofiles.com/help/topic/com.lenovo.systems.management.xcc.doc/NN1ia_c_backupthexcc.htmlAlternatively, you can use the ssaavvee command from Lenovo XClarity Essentials OneCLI to create a backupof all configuration settings. For more information about the ssaavvee command, see:http://sysmgt.lenovofiles.com/help/topic/toolsctr_cli_lenovo/onecli_r_save_command.html• Operating systemUse your own operating-system and user-data backup methods to back up the operating system anduser data for the solution.Chapter 4. System configuration 73