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Operating Systems Linux Red Hat How to check if the Linux Box is available Post 302427378 by dks on Saturday 5th of June 2010 12:09:48 AM
Old 06-05-2010
How to check if the Linux Box is available

Hi,
I need to query and find out if anyone is logged into a Linux box or if the Linux Box is free available for login. This information is required to post the availability of the Linux Host for an instrument for another user to start using the instrument.
Is there a command or script to query and obtain this information?

Thanks.
 

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PAM_LOGINUID(8) 						 Linux-PAM Manual						   PAM_LOGINUID(8)

NAME
pam_loginuid - Record user's login uid to the process attribute SYNOPSIS
pam_loginuid.so [require_auditd] DESCRIPTION
The pam_loginuid module sets the loginuid process attribute for the process that was authenticated. This is necessary for applications to be correctly audited. This PAM module should only be used for entry point applications like: login, sshd, gdm, vsftpd, crond and atd. There are probably other entry point applications besides these. You should not use it for applications like sudo or su as that defeats the purpose by changing the loginuid to the account they just switched to. OPTIONS
require_auditd This option, when given, will cause this module to query the audit daemon status and deny logins if it is not running. MODULE TYPES PROVIDED
Only the session module type is provided. RETURN VALUES
PAM_SESSION_ERR An error occurred during session management. EXAMPLES
#%PAM-1.0 auth required pam_unix.so auth required pam_nologin.so account required pam_unix.so password required pam_unix.so session required pam_unix.so session required pam_loginuid.so SEE ALSO
pam.conf(5), pam.d(5), pam(7), auditctl(8), auditd(8) AUTHOR
pam_loginuid was written by Steve Grubb <sgrubb@redhat.com> Linux-PAM Manual 06/04/2011 PAM_LOGINUID(8)
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