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Top Forums UNIX for Dummies Questions & Answers Not able to change the password of root in redhat 6. Post 302617843 by pinga123 on Tuesday 3rd of April 2012 07:17:27 AM
Old 04-03-2012
Quote:
Originally Posted by methyl
One Google and I came up with this post on www.linuxquestions.org which suggests that in Single User Mode you can only remove the password, not change it to a new value:

[SOLVED] passwd command not working in single user mode
yes i was only able to remove password for root using single user mode.

---------- Post updated at 06:17 AM ---------- Previous update was at 06:16 AM ----------

Quote:
Originally Posted by fpmurphy
I believe it is due to SELinux permissions. Make SELinux permissive (setenforce 0) and you should be able to change the root password in single user mode.
How do i do that???
 

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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 4.1.5.1 05/25/2012 NEWGRP(1)
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