9 More Discussions You Might Find Interesting
1. Solaris
Based on the NIS migration tests I did and another question I posted earlier on.
https://www.unix.com/solaris/272021-solaris-8-md5-encryption-support.html
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2. UNIX for Dummies Questions & Answers
SCO Unix OpenServer v6.
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3. Solaris
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4. Red Hat
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5. Red Hat
Hi everyone ...
( Linux Cent OS ) i cant login as root user in my lab machine ... i did give correct root and root passwd ..but it showing Authentication Failed ...
plz help me (4 Replies)
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6. Red Hat
For some reason i cannot login using root or other accounts on my Linux system.
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7. Red Hat
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8. Red Hat
Hi,
I did setup one E-mail Server with postfix/dovecot/squirrelmail on CentOS 5.x and is working fine.
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9. Red Hat
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PAM_WHEEL(8) Linux-PAM Manual PAM_WHEEL(8)
NAME
pam_wheel - Only permit root access to members of group wheel
SYNOPSIS
pam_wheel.so [debug] [deny] [group=name] [root_only] [trust]
DESCRIPTION
The pam_wheel PAM module is used to enforce the so-called wheel group. By default it permits root access to the system if the applicant
user is a member of the wheel group. If no group with this name exist, the module is using the group with the group-ID 0.
OPTIONS
debug
Print debug information.
deny
Reverse the sense of the auth operation: if the user is trying to get UID 0 access and is a member of the wheel group (or the group of
the group option), deny access. Conversely, if the user is not in the group, return PAM_IGNORE (unless trust was also specified, in
which case we return PAM_SUCCESS).
group=name
Instead of checking the wheel or GID 0 groups, use the name group to perform the authentication.
root_only
The check for wheel membership is done only.
trust
The pam_wheel module will return PAM_SUCCESS instead of PAM_IGNORE if the user is a member of the wheel group (thus with a little play
stacking the modules the wheel members may be able to su to root without being prompted for a passwd).
MODULE TYPES PROVIDED
The auth and account module types are provided.
RETURN VALUES
PAM_AUTH_ERR
Authentication failure.
PAM_BUF_ERR
Memory buffer error.
PAM_IGNORE
The return value should be ignored by PAM dispatch.
PAM_PERM_DENY
Permission denied.
PAM_SERVICE_ERR
Cannot determine the user name.
PAM_SUCCESS
Success.
PAM_USER_UNKNOWN
User not known.
EXAMPLES
The root account gains access by default (rootok), only wheel members can become root (wheel) but Unix authenticate non-root applicants.
su auth sufficient pam_rootok.so
su auth required pam_wheel.so
su auth required pam_unix.so
SEE ALSO
pam.conf(5), pam.d(5), pam(7)
AUTHOR
pam_wheel was written by Cristian Gafton <gafton@redhat.com>.
Linux-PAM Manual 05/31/2011 PAM_WHEEL(8)
