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Chapter 6
The
upgrade
directory contains the scripts necessary for upgrading local-boot
terminals from one release to another.
The
admin
directory contains an ever-growing set of scripts that administrators can
use or refer to for managing their terminals via NFS. The remaining directories
contain the runtime environments for the various supported platforms, including
TCL and TK binaries (
tclsh
and
wish
, respectively), shared libraries to guarantee
a compatible environment (Linux), and other utilities that are used for the
installation and are not normally part of the system being installed on (such as
tar
for NT). Any software that is not part of the standard release of the server OS will
be installed as needed. At the ROOT directory of the CD, there are shell scripts for
Windows (
install
.
bat
) and UNIX-like systems (
install
) that do minimal
platform determination, set up the environment to run Tcl, and then change to the
directory for the installation.
If you are going to rework the standard installation for your server, you will need to
expand (“untar”) the two source files somewhere on your system, build them per
the instructions in the
tar
file, and install them (per the instructions). You will need
a C compiler to do this.
You first need to copy the CD contents to somewhere on your system. The
following is a sample UNIX command:
mkdir /cdcopy; cd /cdrom; tar cvf - . | (cd /cdcopy; tar
xpvf - )
On most UNIX systems, this will copy the CD to the
/cdcopy
directory. Assuming
you have a
uname
command, run it to determine the name of your system. Modify
the
install
shell script (in
/cdcopy
) by adding an entry to the switch statement
for your platform. Make a directory (off
/cdcopy
) for your server OS. Copy the TCL
and TK binaries into that directory.
Now, go into the scripts directory (
/cdcopy/scripts
) and modify
common.tcl
(add a variable for your platform at the beginning variable block, add an entry to the
switch for your platform), and fix the
read_tftp_dir procedure
.
If you are operating in a windowing environment and your window manager forces
the installed windows to appear behind the background window, modify
gui.tcl
,
and do the same operations as if
$unixware != 0
.
If your
tar
program performs in a non-standard manner, you will need to modify
the
full.tcl, help.tcl, netsvc.tcl,
and
nfsupgrade.tcl
files
accordingly.