06-27-2011
Quote:
Originally Posted by
omonoiatis9
i want to have other users with root authority other than root itself.
1) Bad idea. Do they really, really
need root authority? Frequently we get questions like 'how do I protect stuff against access by root user' because they designed a system where people need root but suddenly need to protect users from each other -- well you can't.
If you must give people root, you can use sudo for this, so the user can run 'sudo commandname' to have things run as root. sudo is extremely configurable, so you could let sudo do this with no password for certain users or user groups.
Quote:
when i was creating these users i search around and i find out that the only way to do that is to give to these users the same uid as that of root user.
That's the only way to
make them root, but not the only way to give them root
access.
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NEWGRP(1) User Commands NEWGRP(1)
NAME
newgrp - log in to a new group
SYNOPSIS
newgrp [-] [group]
DESCRIPTION
The newgrp command is used to change the current group ID during a login session. If the optional - flag is given, the user's environment
will be reinitialized as though the user had logged in, otherwise the current environment, including current working directory, remains
unchanged.
newgrp changes the current real group ID to the named group, or to the default group listed in /etc/passwd if no group name is given.
newgrp also tries to add the group to the user groupset. If not root, the user will be prompted for a password if she does not have a
password (in /etc/shadow if this user has an entry in the shadowed password file, or in /etc/passwd otherwise) and the group does, or if
the user is not listed as a member and the group has a password. The user will be denied access if the group password is empty and the user
is not listed as a member.
If there is an entry for this group in /etc/gshadow, then the list of members and the password of this group will be taken from this file,
otherwise, the entry in /etc/group is considered.
CONFIGURATION
The following configuration variables in /etc/login.defs change the behavior of this tool:
SYSLOG_SG_ENAB (boolean)
Enable "syslog" logging of sg activity.
FILES
/etc/passwd
User account information.
/etc/shadow
Secure user account information.
/etc/group
Group account information.
/etc/gshadow
Secure group account information.
SEE ALSO
id(1), login(1), su(1), sg(1), gpasswd(1), group(5), gshadow(5).
shadow-utils 4.5 01/25/2018 NEWGRP(1)