04-07-2009
Root apparently being in group 100 (users) is a concern.
Did you "su - root" or become root by some other means?
Please post the following, and post any errors if your root account gives and error:
# Permissions of root directory
ls -ald /
# Permissions of /etc
ls -lad /etc
# Permissions of password file itself
ls -lad /etc/passwd
# Location of passwd command
type passwd
# Permissions of passwd command
ls -lad <answer from above>
# Root entry from /etc/passwd
grep \^root: /etc/passwd
# Results of password file checking program
pwck
# Results of group file checking program
grpck
Last edited by methyl; 04-07-2009 at 10:33 AM..
Reason: Typo
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pwck(8) System Manager's Manual pwck(8)
NAME
pwck, grpck - Checks the password and group files for inconsistencies
SYNOPSIS
pwck [-admNs] [file]
grpck [-mNp] [file]
FLAGS
Causes both pwck and grpck to additionally check the NIS database entries using the same consistency tests. Users that are defined in the
local password or group file without the "+" at the start of the name field are flagged as duplicate entries.
pwck
Inhibits the running of the /tcb/bin/authck -p command on a system running Enhanced Security. Prevents pwck from checking for the presence
of the user's login directory. Directs pwck to check for mixed case usernames. Causes pwck to check for the presence of the optional
shell field for each entry.
grck
If there are no members, causes grpck to display a message indicating the listed group has no members. Directs grpck to not check for a
users' existence in the password database (local or NIS).
DESCRIPTION
The pwck command scans the /etc/passwd file, or the named file, and writes to standard out any inconsistencies. The scan checks the number
of fields, login name, user ID, group ID, and existence of a login directory and optional program name.
The grpck command scans the /etc/group file, or the named file, and writes to standard out any inconsistencies. The scan checks the number
of fields, group name, group ID, and whether all login names appear in the password file.
EXAMPLES
To verify the password information in the /etc/passwd file for consistency, enter: pwck
To verify the password information in the /etc/passwd file and the NIS database for consistency without checking each users login directory
validity, enter: pwck -Nd
To verify the group information in the /etc/group file and the NIS database for consistency, enter: grpck -N
FILES
Specifies the command path Specifies the command path Contains user information Contains group information
RELATED INFORMATION
Commands: adduser(8), authck(8), groups(1), passwd(1), vipw(8)
Files: passwd(4), group(4), ypfiles(4) delim off
pwck(8)