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SELOK

??? 1aa2 precedes this line with XI:

MENU

Administrative Tasks|Topics to Learn|6-0|10,50

     #                   Topic

    ---                 -------

     1    -     Setting the System Clock

     2    -     Duplicating Magnetic Media

     3    -     Running System Diagnostics

     4    -     Hard Disk Partitioning

     5    -     Reloading the Operating System

     6    -     System Reconfiguration

     7    -     Lesson Review

     0    -     Return to the Main Menu

P25

Administrative Tasks|System Reconfiguration|6-6.1|7,54

     System reconfiguration is required when:

     *  a new device is added to the system,

     *  a device is moved from one controller to

        another,

     *  a device is removed from the system, or

     *  a device driver is added to the system.

P26

Administrative Tasks|System Reconfiguration|6-6.2|9,54

     Whenever you add serial devices to the existing

serial ports, you need only to enable or disable the

login to those ports.  This is hardly a serious system

reconfiguration.

     Reconfiguration is required whenever you add or

remove a device requiring a hardware controller that

connects to your system bus.

P27

Administrative Tasks|System Reconfiguration|6-6.3|17,54

     The reconfiguration steps are practically

identical to those for initial UNIX installation.

     You will again need to modify the system

configuration file, i.e:

/usr/sys/conf/xenixconf

also referred as a dfile, which is derived from:

/usr/sys/conf/master

and then rebuild the kernel so that the necessary

device drivers and the correct device addresses are

built into your kernel.  See your System Administrator

Manual for details.

Administrative Tasks|System Reconfiguration|6-6.3|14,59

     The reconfiguration steps are practically identical to

those for initial UNIX installation.  You will again need

to modify your system configuration file.  There is a general

configuration file called:

/sys/conf/GENERIC

This file is a template for a system configuration.  If you

don't have a file called by your system name, you must make

a copy of the GENERIC text file and edit it to describe your

specific system configuration.  Give this file the name of

your system, i.e.:

/sys/conf/your_system_name

Administrative Tasks|System Reconfiguration|6-6.3|16,54

     The reconfiguration steps are practically

identical to those for initial UNIX installation.

     You will again need to modify the system

configuration file, i.e:

/etc/yoursysname

also referred as a dfile, which is derived from:

/etc/master

and then rebuild the kernel so that the necessary device

drivers and the correct device addresses are built into your

kernel.  See your System Administrator Manual for details.

P28

Administrative Tasks|System Reconfiguration|6-6.4|4,54

     Unless you are adding new device drivers, all files

to rebuild the kernel are in the directory:

/etc/master.d

     Unless you are adding new device drivers, all

files to rebuild the kernel are in the directory:

/usr/sys/conf

Administrative Tasks|System Reconfiguration|6-6.4|15,60

     The contents of the /sys/conf/your_system_name file serve

as input to the /etc/config utility which builds the complete

set of configuration files (many of which are C source code)

and creates a makefile.  /etc/config puts the configuration

files in the directory /sys/your_system_name.

     The new configuration is then compiled into the kernel

when you use the makefile in the directory

/sys/your_system_name.  The command is:

make depend

This command looks for a Makefile and executes the

contained UNIX commands to update the target depend.

P29

Administrative Tasks|System Reconfiguration|6-6.5|9,54

     The actual command, for rebuilding the kernel, i.e.,

to make reconfiguration take effect is:

/etc/config

     After the new kernel is made, the old kernel needs

to be backed up, and the new one moved to the / directory.

See your System Administrator Manual for further details.

Administrative Tasks|System Reconfiguration|6-6.5|14,54

     The actual command, for rebuilding the kernel i.e.,

to make reconfiguration take effect is:

/usr/sys/conf/config

     After the new kernel is made, the old kernel needs

to be backed up, and the new one moved to the / directory.

The command to install the new kernel is:

/usr/sys/conf/hdinstall

See your System Administrator Manual for further details.

Administrative Tasks|System Reconfiguration|6-6.5|7,54

     If you get an error message from config, you

should not try to use the make command until you have

corrected the error(s) in your /sys/conf/your_system_name

file.

     See your System Administrator Manual for details.