passwd refers to the Unix command for changing a user's password and also the file in which users' login data is stored.

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passwd: Authentication token manipulation error

I am running a Ubuntu 12 machine, and have recently been working to secure it. I made all the changes from this guide. I am not running a Linode, but I used these as a starting point for setting up ...
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Purpose of the noaccess user in UNIX?

Can someone point me to a document or explain to me the utility or application of the noaccess user? It would seem interchangeable with any other user I might create. What is it's purpose of being ...
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Questions about AIX passwd file

I'm a beginner in AIX and I have 2 questions on AIX's passwd file. If there is a hash (#) symbol in front of a username, what does this mean? Correct me if I'm wrong. On the password field, if a ...
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573 views

Unable to change user password on AWS using `passwd` command

I am using Amazon's AWS insances running CentOS. I was trying to create a user with SUDO privilege and then disable the Root login to secure the systems. I have already done the required to bring this ...
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299 views

pam_filter usage prevent passwd from working

I have PAM+LDAP SSL running on Debian Lenny, it works well. I always want to restrict who's able to connect, in the past I used pam_groupdn for that but I recently got a situation where I has to ...
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Cygwin: Obtain comment field from Active Directory with mkpasswd

Running cygwin on W7x64. Since a generated /etc/passwd file is static, it has to be performed occasionally when new employees are hired. It polls Windows AD, and writes the passwd file. In the past, ...
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can't change NIS account password from Centos-7 client “NIS server Centos-6”

I'm trying to change password for a NIS account from a Centos-7.0.1406 client and the server is Centos-6.6 it seems that passwd command don't ask me neither to change password nor ask me for old ...
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OpenLDAP on ArchLinux users cannot change passwd

I started an office and i NEED centralized login and home directories to work. Since all workstations are going to run Arch and problems with different LDAP versions I finally concluded the LDAP ...
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Ubuntu 10.04 - User administration - local passwd, shadow on nis-server

Usually our users are centrally defined on a NIS-Server (/etc/passwd,/etc/shadow, /etc/groups). Some of them should have local accounts on clients (in the local /etc/passwd). What I want is, that the ...
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password changed by poppassd doesn't reflect smbpasswd

I have installed poppassd and coded a php script for users to change their passwords via web. However I noticed that what being changed via poppassd did not reflect users' samba password. Any pointers ...
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Dovecot Virtual domain/passwd-file login issue

I used this walk through http://wiki2.dovecot.org/HowTo/VirtualUserFlatFilesPostfix but there is still an issue not allowing me to login. /var/log/dovecot.log Jan 13 10:25:49 imap-login: Info: ...