The easiest way to configure the boot loader in your openSUSE system is to use the YaST module. In the YaST Control Center, select Figure 13-1, this shows the current boot loader configuration of your system and allows you to make changes.
. As inFigure 13-1 Boot Loader Settings
Use the Section 13.2, Booting with GRUB first.
tab to edit, change, and delete boot loader sections for the individual operating systems. To add an option, click . To change the value of an existing option, select it with the mouse and click . To remove an existing entry, select it and click . If you are not familiar with boot loader options, readUse the
tab to view and change settings related to type, location, and advanced loader settings.Access advanced configuration options from the drop-down menu that opens after you click on Section 13.2, Booting with GRUB for details). You can also delete the existing configuration and or let YaST . It is also possible to write the configuration to disk or reread the configuration from the disk. To restore the original Master Boot Record that was saved during the installation, choose .
. The build-in editor lets you change the GRUB configuration files (seeSet the boot loader type in
. The default boot loader in openSUSE is GRUB. To use LILO, proceed as follows:Select the
tab.For
, select .In the dialog box that opens, select one of the following actions:
Have YaST propose a new configuration.
Have YaST convert the current configuration. When converting the configuration, some settings may be lost.
Write a custom configuration. This action is not available during the installation of openSUSE.
Load your own /etc/lilo.conf. This action is not available during the installation of openSUSE.
Click
to save the changesClick
in the main dialog to apply the changes.During the conversion, the old GRUB configuration is saved to disk. To use it, simply change the boot loader type back to GRUB and choose
. This action is available only on an installed system.NOTE: Custom Boot Loader
To use a boot loader other than GRUB or LILO, select
. Read the documentation of your boot loader carefully before choosing this option.To change the location of the boot loader, follow these steps:
Select the
tab then select one of the following options for :The boot sector of the /boot partition.
This installs the boot loader in the extended partition container.
This installs the boot loader in the MBR of the first disk (according to the boot sequence preset in the BIOS).
This installs the boot loader in the boot sector of the / partition.
Use this option to specify the location of the boot loader manually.
Click
to apply your changes.To change the system that is booted by default, proceed as follows:
Open the
tab.Select the desired entry from the list.
Click
.Click
to activate these changes.The boot loader does not boot the default system immediately. During the time-out, you can select the system to boot or write some kernel parameters. To set the boot loader time-out, proceed as follows:
Open the
tab.Click
.Change the value of
by typing in a new value, clicking the appropriate arrow key with your mouse, or by using the arrow keys on the keyboard.Click
.Click
to save the changes.Using this YaST module, you can also set a password to protect booting. This gives you an additional level of security.
Open the
tab.Click
.Set your password in
.Click
.Click
to save the changes.