06-28-2010
How to make terminals with a PC(UNIX/LInux) support?
I want to build a network, in this network there is only one PC and 50 terminals, 50 students can use this system to study UNIX/Linux.
In the old days, computer was very expensive, many scientists shared a computer with terminals, that means a terminal has no cpu, memory and hardisk.
In these days, how to use a PC(UNIX/Linux) to support such text / graphics terminals?
Thanks a lot!
Last edited by haixiao_liu; 06-28-2010 at 02:36 PM..
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LEARN ABOUT POSIX
securetty
SECURETTY(5) Linux Programmer's Manual SECURETTY(5)
NAME
securetty - file which lists terminals from which root can log in
DESCRIPTION
The file /etc/securetty contains the names of terminals (one per line, without leading /dev/) which are considered secure for the transmis-
sion of certain authentication tokens.
It is used by (some versions of) login(1) to restrict the terminals on which root is allowed to login. See login.defs(5) if you use the
shadow suite.
On PAM enabled systems, it is used for the same purpose by pam_securetty(8) to restrict the terminals on which empty passwords are
accepted.
FILES
/etc/securetty
SEE ALSO
login(1), login.defs(5), pam_securetty(8)
COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the
latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.
Linux 2015-03-29 SECURETTY(5)