Chapter 17: Accessing UNIX from a PC
Logging onto a UNIX system from
a PC using XDMCP.
On Solaris and IRIX the xdm daemon is permanently running, unlike the
situation on SunOS. If there are X-terminals on site the xdm daemon will
be configured to run on SunOS as well. This allows a flexible method of
login using XDMCP from a PC running eXceed to a local UNIX system. It has
also been discovered that logins to Solaris 2.5 ( running CDE) need some
system tweaks, so we use this as an example.
How to log on to a Solaris 2.5 system from a PC using
Increase your TCP/IP sockets up to something like 24
Using Novell V4 add the following lines to a file C:\nwclient\net.cfg
in the TCP/IP section
CDE requires a minimum of 10 sockets just to start and
may well require even more - the default for Novell LAN Workplace seems
to be less than this.
In the eXceed5 windows group, start up 'Xsession' -
the icon with the multiple
In the lower 'Session' box, ensure that the checkbox
'Run X Server' check
box is checked (has an 'x') in it.
Click on Options just below the above box.
Set window mode to 'Single'
Set Startup mode to 'XDMCP-query'
Set connect host to 'wiub' or whatever it takes to identify
the host on your PC setup
The 'Prompt for Server Restart' box should be unchecked
(ie white - no x).
Click on OK
Optionally, save the configuration (it will save it
as a .ses file).
Click on Run from the menu bar at the top of the X Session
It will take a minute or so, but it should display the
hummingbird, clear the
screen and display the SOLARIS X login window in the middle.
Optionally click on options, then session, then select
CDE - the pretty picture
should change to CDE.
Log in and away you go.
Once you get back to the SOLARIS X login window,
halt eXceed to terminate (The big red circle in the floating eXceed tool
Visual Incompatibilities encountered by eXceed
This fearsome title refers to problems which arise when
a clever new PC
screen with 24-plane TrueColor offers itself as
an X server to a normal
8-plane PseudoColor UNIX host. For example, the
FileManager on IRIX
cannot display on such a screen, and gives errors
about No Matching Visual
To make this work, you need to make the PC pretend
to be what the UNIX
in Vista eXceed, choose Xconfig/Video/ServerVisual
reduce the number of colours on the PC display
This can oviously be put back after the eXceed session
Accessing UNIX files from a PC
can be used to access files in your own home directory, and any areas linked
to this by symbolic links.
The Samba server on site should be
visible in Network Neighbourhood on a Windows 95 or NT host, and clicking
on this should allow you to log in using your UNIX password.
The UNIX files are then accessible
for copying to the PC and vice versa.
Under certain circumstances the keyboard settings need
to be changed, as for example in this plea from a user:
' At present the keys " and @ are reversed, and
there is no hash, which we need for ARC/INFO dummy arguments, etc.'
For most modern keyboards the uk102 keyboard is appropriate.
This can be selected as follows:
Double-click on the keyboard icon
The top section of the resulting window will allow you
to select a keyboard file
To make this effective the server has to be restarted.
This has no effect on anything outside Vista eXceed.
It will persist through reboots once set.
This page last updated August 19th 1998 by firstname.lastname@example.org