06-12-2008
Data mining a text file.
I'm auditing UID consistency across our hosts, and have created the following datafile, consisting of four fields. I would like to get a count of the combination of the last two fields. ie: I would like to find out how many instances there are of "root 0" and how many of "uucp 5", for every line in the file. I know basic perl and basic awk, but can't get my head around how to do this.
Can anyone offer advice?
thank you in advance
akbar
UID: crfw root 0
UID: crfw daemon 1
UID: crfw bin 2
UID: crfw sys 3
UID: crfw adm 4
UID: crfw lp 71
UID: crfw uucp 5
UID: crfw nuucp 9
UID: crfw smmsp 25
UID: crfw listen 37
UID: crfw gdm 50
UID: crfw webservd 80
UID: crfw nobody 60001
UID: crfw noaccess 60002
UID: creb root 0
UID: creb daemon 1
UID: creb bin 2
UID: creb sys 3
UID: creb adm 4
UID: creb lp 71
UID: creb uucp 5
UID: creb nuucp 9
UID: creb smmsp 25
UID: creb listen 37
UID: creb gdm 50
UID: creb webservd 80
UID: creb nobody 60001
UID: creb noaccess 60003
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LEARN ABOUT CENTOS
pam_rootok
PAM_ROOTOK(8) Linux-PAM Manual PAM_ROOTOK(8)
NAME
pam_rootok - Gain only root access
SYNOPSIS
pam_rootok.so [debug]
DESCRIPTION
pam_rootok is a PAM module that authenticates the user if their UID is 0. Applications that are created setuid-root generally retain the
UID of the user but run with the authority of an enhanced effective-UID. It is the real UID that is checked.
OPTIONS
debug
Print debug information.
MODULE TYPES PROVIDED
The auth, acct and password module types are provided.
RETURN VALUES
PAM_SUCCESS
The UID is 0.
PAM_AUTH_ERR
The UID is not0.
EXAMPLES
In the case of the su(1) application the historical usage is to permit the superuser to adopt the identity of a lesser user without the use
of a password. To obtain this behavior with PAM the following pair of lines are needed for the corresponding entry in the /etc/pam.d/su
configuration file:
# su authentication. Root is granted access by default.
auth sufficient pam_rootok.so
auth required pam_unix.so
SEE ALSO
su(1), pam.conf(5), pam.d(5), pam(8)
AUTHOR
pam_rootok was written by Andrew G. Morgan, <morgan@kernel.org>.
Linux-PAM Manual 09/19/2013 PAM_ROOTOK(8)