Tagged Questions
1
vote
1answer
140 views
Rehashing /etc/shadow. Can I force NIS users to change password?
I'm currently migrating a CentOS environment to a Debian one. The users log in over the network using NIS. I was hoping to copy /etc/shadow from my old server to my new one so that we can offer ...
1
vote
2answers
1k views
Ubuntu password policy
I want to set the system-wide password policy on an Ubuntu 12.04 LTS server. Googling around, a lot of people point to this (very old) document:
...
6
votes
4answers
680 views
Is it possible to change password database file(/etc/passwd) in linux?
Is it possible to change password database file(/etc/passwd) to some other file. How does this authentication mechanism work internally ?
Does it depend on pam ?
4
votes
3answers
1k views
SSH authentication: either SSH keys or one time password
I have an Ubuntu 10.04 Linux server that I normally ssh into (from my home machine) using ssh key authentication. However, sometimes I need to ssh remotely from potentially insecure machines (like ...
4
votes
1answer
1k views
Preventing `passwd` for asking for the local password
I have setup the sever to only use LDAP for authentication by using authconfig-tui. Everything works well but, when I run passwd, I get two prompts for a password:
[beamin@rhel6-test-server1 ~]$ ...
5
votes
5answers
8k views
Program for decrypt linux shadow file
Is there any program or script available for decrypt Linux shadow file ?
30
votes
2answers
9k views
Why is there a big delay after entering a wrong password?
I notice a weird (well, according to me) thing about passwords. For example, if I type an incorrect password during login, there will be a few seconds' delay before the system tells me so. When I try ...
6
votes
4answers
693 views
How to set up two-factor authentication with OTP on FreeBSD?
I have a FreeBSD hosted server that I like to be able to get to from anywhere. Normally I use SSH publickey to log in, or if I don't have my SSH private key available then I might use regular password ...
