Compaq T1500 - Windows-based Terminals - 72 MB RAM, Installation Manual

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Configuring Server Application Resources
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Any command executed through this mechanism will be run as that special user,
although the SHELL environment variable is replaced with the first entry in the
rshsecure
.
cfg
file and the DISPLAY environment variable is set to point back to
the terminal, allowing shell scripts that launch sets of X applications to work.
If the X manager specifies to run in this mode
and provides an “actual user,” the
xterm
program (specified above) is executed, pointing back to the terminal,
executing the
su
command (specified above). After the user successfully enters a
password, the command passed via the X manager is then executed (SHELL and
DISPLAY modified as above), with execution as this new user.
With the security and
su
capabilities described above, a .
xinitrc
file (or
equivalent) can be executed, except that a window manager can not be launched
(because the terminal is already running one). Every other application should run
normally.
A prototype version of the
rshsecure.cfg
is provided on the CD and will be
found in the same directory as the
rshsecure
program following installation.