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Operating Systems Linux Red Hat How to check if the Linux Box is available Post 302427408 by dks on Saturday 5th of June 2010 09:51:49 AM
Old 06-05-2010
Thanks

Thanks, I am aware of who or w. This however requires I login, then find out.
I am looking to find out if a given host is free or being used (logged in) at any given time, without actually logging into the host.
I guess similar to ruser?
 

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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)
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