0
votes
1answer
55 views

Creating user with password or changing password doesn't work in PostgresQL

I'm trying to create a new user role or change existing one's password to be able to work locally with PostgresQL. I'm working on Ubuntu. I can modify the attributes of an user, but for some reason ...
2
votes
1answer
429 views

Prevent linux user from changing their password in ssh

How can I prevent users from changing their passwords? I still want to be able to change the passwords as root if necessary but keep the user from changing their password.
1
vote
2answers
908 views

Trouble logging in as user after changing password

I'm having trouble logging in with a newly-created password on my CentOS system. I recently installed the continuous integration server Jenkins on CentOS via yum, which created a "jenkins" user. ...
4
votes
2answers
521 views

Reset user passwd when you don't know it

I have a small problem. I have shared keys setup on my domain, so I never type my password to login anymore. I've forgotten my password now. This is a problem because only my user can sudo. Password ...
3
votes
2answers
2k views

Linux (redhat) how to change password to previous password

Is there a way to change password to value same as the previous password? I know this is a security flaw, but would like to know however. when I try this: [mrbean@wwwserver ~]$ passwd Changing ...
18
votes
3answers
7k views

Random password generator: many, in columns, on command line, in Linux

A while back, I came across a random password generator for the command line that displayed a grid of "memorable" passwords. Output was something like this: adam@host:~$ CantRememberThisCommand ...