0
votes
0answers
9 views

How to gain root access to UEC image?

When openstack creates an instance from a UEC image (using precise amd64), the SSH public key is successfully injected via cloud-init and I'm able to ssh into the instance via the ubuntu account, but ...
0
votes
0answers
255 views

PAM USB on 14.04 su “username” = “no passwd entry for user 'Thornton'”

I followed the directions located here http://linuxconfig.org/linux-authentication-login-with-usb-device Once I reached step 4 I found that the changed authorizations did nothing, so I reverted back, ...
1
vote
0answers
1k views

Is there a single line command to do `su`?

I can do an su with su <username> and it asks for my password. Is there a password parameter for su such that i wont be prompted for a password? e.g. su <username> -p <password>
1
vote
1answer
1k views

Sudo su setting default password automatique [duplicate]

I'm a newbie linux (Ubuntu) user and i have a question to sudo su, I always like use the root in the shell for no annoying privilgies errors :) But the problem is sudo su always ask me for a password ...
0
votes
0answers
246 views

passwd history through PAM not working (and weird 'Authentication token manipulation error' when using passwd)

I'm trying to set my password policy to remember the last two passwords a user chose, and to prevent him or her from re-using those particular passwords. I'm currently running Ubuntu 12.10 through ...
3
votes
2answers
21k views

What is the root password for a live usb stick? [duplicate]

ubuntu@ubuntu:~$ su Password: su: Authentication failure I installed Ubuntu to a USB stick. I didn't set any password any time - why can't I use su?
1
vote
2answers
599 views

Changed account to auto login, now su password does not work

I have one user account on my laptop, and it has the same password as the su password. I changed the user account to an auto login account, and now the user password is not accepted (i.e. ...
1
vote
2answers
4k views

Passwordless su in a Bash script?

I've run into a dilemma while migrating a Hadoop installation from Oracle Enterprise Linux to Ubuntu. The prior developer put the following command into rc.local within OEL: su reporter -c "cd ...
1
vote
1answer
409 views

I can't do “sudo”

Let's describe it from the beginning: I was planning to re-enable the password requirement in LightDM for security reasons. But, since my PC's been sluggish these times, it FC'd the password setup ...