How do I fix passwd authentication token manipulation error?

How do I fix passwd authentication token manipulation error?

In this article, we will explain different ways of fixing “passwd: Authentication token manipulation error” in Linux systems.

1. Reboot System.
2. Set Correct PAM Module Settings.
3. Remount Root Partition.
4. Set Correct Permissions on Shadow File.
5. Repair and Fix Filesystem Errors.
6. Free Up Disk Space.

What is passwd authentication token manipulation error?

passwd: Authentication token manipulation error passwd: password unchanged. The reason why passwd failed is that filesystem was mounted as read only, which prevents changing the password. A way to fix this issue is to remount filesystem and then to check permissions of /etc/shadow file.

What is Authentication token manipulation error in linux?

In a Linux system when you try to change your password you will come across Authentication Token Manipulation Error and what this means is, for some reason your password change was not successful at all. After rebooting the system try again it does fix the error. Method 2: Set Correct Permissions on Shadow File.

What is Yppasswd?

Description. yppasswd or -p. Change the user’s NIS password. The user is prompted for the new password. While typing the password, echoing is turned off, so the password does not appear on the screen.

How do I unlock a NIS user in Linux?

Option 1: Use the command “passwd -u username”. Unlocking password for user username. Option 2: Use the command “usermod -U username”.

How do I change my NIS password in Linux?

Changing NIS Passwords

1. Use the Web-based System Manager. Start it by typing wsm on the command line.
2. Enter the SMIT fast path, smit passwd.
3. Enter the command, passwd.

How to fix ” passwd ” authentication token manipulation?

For instance a mis-configured /etc/pam.d/common-password file can result into this error, running the pam-auth-update command with root privileges can fix the issue. 3. Remount Root Partition You might also see this error if the / partition is mounted as read only, which means no file can be modified thus a user’s password can’t be set or changed.

Why do I get an authentication token manipulation error on Ubuntu?

This may happen on Ubuntu when the user doesn’t have default password set yet and passwd is still requesting it, so the workaround is to change the password using root privileges, e.g. so you won’t be asked for the current password and the error won’t happen.

Why do I get authentication token error in Pam?

Check if you have messed up the common-password file in /etc/pam.d/ . This will cause errors if your present password does not match the one that common-password wants. In my case this was the reason why I was getting that authentication token error. Also, ensure that your entry in /etc/passwd is not mal-formed.

What does the passwd command do in Linux?

In Linux, the passwd command is used to set or change user account passwords, while using this command sometimes users may encountered the error: “passwd: Authentication token manipulation error” as shown in below example. Recently I was logging in to my CentOS server using my username “ tecmint “.