1
vote
1answer
34 views

How to make sudo use a separate password?

Using Ubuntu 14.04, I have 2 accounts: Account A (first one set up) with Password 1 Account B (second set up) with Password 2, when updating software in Account B, I use Password 1 to authenticate. ...
0
votes
0answers
8 views

Get Access Problem as admin user

I want to access "sudoers" file and also access "su -" but I fail and get following error please check terminal output that I have tried. I am m-usman(admin) but not allow to edit or access ? :( ...
1
vote
0answers
19 views

Why does sudo sometimes asks for a different sudo user?

i have all my boxes setup to authenticate against openldap. when i logon with the local user (localmin) and run a command like; sudo service smbd restart it sometimes asks for the password of ...
2
votes
1answer
29 views

How can I identify the program that has written information to a log file?

I recently got a message that something had failed to sudo on my Ubuntu laptop. At the time, I don't believe I was running anything that would need sudo. The messages that appeared in ...
0
votes
1answer
35 views

Global sudo session in ubuntu

Is is possible to keep the sudo session for sometimes? I mean when you open synaptic, each time you have to authenticate. In a single terminal, sudo session exits for a specific amount of time. You ...
1
vote
1answer
401 views

Authenticating error with ubuntu 14.04 LTS

< Problem: Just as I upgraded my ubuntu 13.10 to 14.04 LTS. I couldn't pass keyring and bash authentication. I can login in recovery mood for both root and my account, but that's not the case in ...
0
votes
2answers
391 views

Software Center prompts password of another user

I have a krb5-ldap user in an "administrators" which is added to sudoers list as follows: %administrators ALL=(ALL) ALL Now that works fine for all sudo operations. But when that user wants to ...
4
votes
4answers
305 views

How can I prevent a user from changing their password? [duplicate]

I want to prevent a user from changing their own password. Additionally, if possible, I want to prevent them from changing it via sudo.
1
vote
3answers
10k views

sudo su fails with 'Unable to change to sudoers gid :operation not permitted.' fault [closed]

I have installed ubuntu and now I want to install flex. It asks for password but when I type my password, it asks me the password for root. When I enter the password which I had specified during ...
0
votes
0answers
14 views

How do I authenticate over a domain while doing apt-get update? [duplicate]

I am getting various 401 auth errors when trying to sudo apt-get update. I am connected to my corp vpn and have an SSH into my Ubuntu machine. How can I authenticate using my network login/pw to ...
2
votes
1answer
405 views

Suddenly, I Can't login with correct password (greeter & tty)

This might be a duplicate of other password related questions but it's somehow eccentric. I have three accounts in my Ubuntu 12.10 system (one standard and two administrators). One of the ...
2
votes
2answers
1k views

Graphical authentication works; why does sudo say my password is wrong?

I'm trying to install a theme, and when I enter the command sudo cp -r $HOME/Desktop/Overglossed /usr/share/themes the terminal asked for my sudo password which I entered, however I'm told my password ...
3
votes
1answer
1k views

What causes “pam_unix … conversation failed” in auth.log

There are thousands of entries in my auth.log like this: sudo: pam_unix(sudo:auth): conversation failed What causes these to occur? I'd like to fix whatever it is but I'm a bit mystified as to ...
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 ...
5
votes
3answers
16k views

Password not working for sudo (“Authentication failure”)

Before I mention anything further, DO NOT give me a response saying that terminal won't show password input. I'm AWARE of that. I'm typing my user password in (not a capslock issue), and for some ...
1
vote
3answers
11k views

Cannot authenticate without a password

The problem can be reproduced as follows: When I remove the password of an administrator account, "Log In without Password", I cannot use that account to authenticate. When I do something that ...
0
votes
2answers
6k views

sudo in the Terminal seems not to accept password input [duplicate]

Possible Duplicate: Nothing shows up on the screen when I type my password I upgraded to Ubuntu 12.04 LTS and was trying to update software with sudo apt-get .... In the Terminal I am asked ...
2
votes
2answers
11k views

I cannot enter my password when using sudo to install Sophos AV for Linux [duplicate]

I cannot type my password as shown below. After successfully unlocking root account in Ubuntu 12.04 LTS. saintmichael@ubuntu:~$ sudo usage: sudo [-D level] -h | -K | -k | -V usage: sudo -v [-AknS] ...
2
votes
1answer
5k views

How to fix sudo: setreuid(ROOT_UID, user_uid): Operation not permitted error?

I am using LDAP authentication on my Ubuntu 11.10 server. I installed libpam-ldap, and configured things accordingly. It works great, except that I get this error every once in a while when I try to ...
3
votes
2answers
15k views

I cannot enter my password in the terminal - can't install packages [duplicate]

Possible Duplicate: Nothing shows up on the screen when I type my password I can open a terminal (Ctrl-Alt-T) I can copy or type in the following: sudo wget ...
17
votes
6answers
29k views

How to run an application using sudo without a password?

... but still be required for applications that need admin privilegies? In order to allow the following: $ apache2ctl restart httpd not running, trying to start (13)Permission denied: make_sock: ...