Installation guide

kernel once you have edited the target configuration file. The procedure
assumes that you do not know the appropriate keyword to add. In some
cases, you might be able to determine the appropriate keyword by looking
at documentation supplied with the hardware or with a new version of
Tru64 UNIX. Another source of this information is an existing
configuration file on another system that already has the device connected
to it. If you know what keyword you need to add to your system, use a text
editor to add that keyword to your target configuration file and rebuild the
kernel as described in Section 5.4.3.
If you are unsure of the keyword you need to add to the target
configuration file for your system, connect the new device to the system as
directed in the hardware manual and use the following procedure:
1. Log in as root or become the superuser and set your default directory
to the /usr/sys/conf directory.
2. Save a copy of the existing /vmunix file. If possible, save the file in the
root (/) directory, as follows:
# cp /vmunix /vmunix.save
If there are disk space constraints, you can save the kernel file in a file
system other than root. For example:
# cp /vmunix /usr/vmunix.save
3. Shutdown and halt the system as follows:
# shutdown -h now
4. At the console prompt, boot the generic kernel, /genvmunix. The
generic kernel contains support for all valid devices, so if you boot it
during the process of adding a new device to your target kernel, the
new device is known to the kernel. To boot the generic kernel, issue
the following command:
>>> boot -fi "genvmunix"
_____________________ Note _____________________
If the /genvmunix file does not exist on your system, or the
generic kernel fails to recognize the device you are adding,
rebuild the generic kernel.
To rebuild the generic kernel, you must have installed all
the required and optional kernel subsets. You can get a list
of the kernel subsets, including information about whether
or not they are installed, by issuing the following command:
# /usr/sbin/setld -i | grep Kernel
Configuring the Kernel 5–19