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Full Discussion: Linux root Password Reset
Top Forums UNIX for Beginners Questions & Answers Linux root Password Reset Post 303008499 by pradyumnajpn10 on Saturday 2nd of December 2017 01:09:35 AM
Old 12-02-2017
Linux root Password Reset

Hi ,

I ve a question about the Linux system root password change.
Which can be done using grub menu without inputting the old password.Smilie


So If anybody can change the root password without any password and then how it is secure. Anybody can manipulate the other user using the root password ?
Next question is
What is meant for sudo root password ?Smilie

BR,
PD

Last edited by Scrutinizer; 12-02-2017 at 04:03 AM.. Reason: Changed "doubt" to "question"
This User Gave Thanks to pradyumnajpn10 For This Post:
 

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vipw(1M)																  vipw(1M)

NAME
vipw - edit the password file SYNOPSIS
DESCRIPTION
edits the password file while setting the appropriate locks, and does any necessary processing after the password file is unlocked. If the password file is already being edited, you will be told to try again later. The editor is used unless the environment variable indicates an alternate editor. performs a number of consistency checks on the password entry for and does not allow a password file with an incorrectly formatted root entry to be installed. To help reduce the possibility of leaving the system in an unbootable state, root's entry is not considered prop- erly formatted if it has a user ID that is not zero, or if it has a shell other than or Please refer to passwd(4) and the manual for further details of password file format. WARNINGS
An file that is not removed when a system crashes prevents further editing of the file using after the system is rebooted. is the standard lock used by all commands which knowingly modify Successful execution of is not sufficient for proper system operation. To help maintain consistency with other system databases, editing of the password file with is generally discouraged. Please use or to edit AUTHOR
was developed by the University of California, Berkeley. FILES
SEE ALSO
chfn(1), chsh(1), passwd(1), sam(1M), useradd(1M), usermod(1M), userdel(1M), passwd(4). vipw(1M)
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