Tagged Questions

1
vote
2answers
121 views

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

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
1answer
44 views

Sudoers NOPASSWD for command not working but ALL is

I've been trying to grant www-data to use sudo service apache2 restart without a password but no matter what I try, nothing works. I have read a few hundred posts regarding this issue on different ...
0
votes
1answer
31 views

How can I delete my printer from Ubuntu?

Using 12.04 my printer a canon ip2600 will not print. SystemSettings/printers shows it as installed, connected to local host, enabled, accepting jobs, shared and allowing printing for everyone. Yet ...
2
votes
0answers
46 views

Prevent that TrueCrypt gets Administrator rights

If I try to open a TrueCrypt drive, TrueCrypt asks me for my administrator-password (also when I am a normal user). I know, that i can prevent this password-asking by editing the sudoers file = giving ...
6
votes
1answer
286 views

whats the default sudo timeout?

sudo -i in the terminal will made normal user into root user & after changing into root user if we exit then again we will be back to normal user.If we try again , next time it directly takes me ...
2
votes
2answers
104 views

How can gain root access whilst logged into a normal account?

I've set up an ubuntu computer for my sisters. There is the admin account which only I can access and there are two normal accounts. Occasionally I'm going to be called upon to install an extra ...
0
votes
0answers
21 views

I have a problem with root password [duplicate]

I set my user account to auto login by mistake, so the key ring keeps popping up, but that's not the real problem, My root password seems not to be my user password I can't install apps from the ...
1
vote
1answer
137 views

Why Ubuntu ask me for for root password while upgrading?

I frequently upgrade the desktop of my daughter (using ubuntu 12.04.1) through the official processes,but in the latest attempt the computer is asking for a root (or super user) password. In the past ...
1
vote
2answers
167 views

What to do if I can no longer become the user root? [duplicate]

Possible Duplicate: How do I reset a lost administrative password? How can I give admin permissions to my account? I have no root password and I accidentally removed the sudo privileges ...
1
vote
2answers
153 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 ...
1
vote
0answers
59 views

Being asked for password inspite of changing the sudoers file [closed]

I have included the following in the sudoers file using the visudo command training ALL=(ALL) NOPASSWD: ALL and training is part of the sudo group training@Slave1:~$ id uid=1000(training) ...
0
votes
1answer
78 views

Ubuntu “1 time password on login” solution [duplicate]

Possible Duplicate: Why is it bad to run as root? I recently fully switched from Windows into Ubuntu. And of course I loved Ubuntu. But the most annoying thing is, system requires password ...
1
vote
2answers
744 views

How do I remove Ubuntu's password requirement?

Here are my circumstances: I am running Ubuntu 12.04. I have one user account. I absolutely hate the password requirement. How do I disable this requirement such that my Linux computer will behave ...
1
vote
1answer
334 views

Ubuntu 12.10 password don't works after login

During a complete fresh installation I choosed a case sensitive password with an "!" inside the string, it works fine for the normal login, but when I try to use sudo or su or passwd or some GUI stuff ...
7
votes
1answer
468 views

Opening terminal asks for sudo password

Whenever I open a new terminal within 12.04, I am prompted to enter my sudo password. Why is this happening?
1
vote
1answer
160 views

sudo refuses my password

I've just installed Ubuntu 12.04 and now that I want to install a program through the terminal with a command starting with sudo, the terminal says Sorry, try again. I just don't get it, this is my ...
1
vote
3answers
989 views

When trying to install Wine on 12.10, 'Sudo' command will not let me type in a password

As the title explains, I have been attempting to install Wine on my laptop which is running 12.10. When I access the command terminal and entered sudo add-apt-repository ppa:ubuntu-wine/ppa I was ...
-6
votes
1answer
883 views

How to sudo visudo without a password, remove all prompts for password [closed]

Websites tell me to use sudo when I have no password, usually tell me one of two things. It is bad security Or use 'sudo visudo' and the %admin ALL=(ALL) NOPASSWD: ALL line I would like to not ...
2
votes
1answer
2k views

Remove password attempt at sudo 12.10

I just installed Quantal Quetzal and when I type sudo in the terminal it asks for the password. Before upgrading, I changed something in the file, and it wouldn’t ask for passwords. I have already ...
0
votes
4answers
3k views

How to run a file with sudo without a password? [duplicate]

Possible Duplicate: How to run an application using sudo without a password? I've made a script that preforms various system tasks, that I run regularly, but I have to use sudo to run the ...
1
vote
4answers
552 views

Broke my sudoers password, how do I reset it without using sudo? [duplicate]

I thought it would be a good idea to finally take the password off my little netbook since it has never actually been of any use, and has mostly just slowed down . But when I went to change my ...
1
vote
1answer
138 views

What am I doing wrong? Visudo

I am trying to make it so that I can have a script running on my computer that will check to see if a reboot code has been sent, and it will be checking a MySQL database. I have the php script ...
1
vote
2answers
485 views

sudo credential caching on by default

Just installed a minimal ubuntu 12.04, then installed xfce4 and xinit from the command line after first boot. Totally vanilla installation afaik. I'm noticing that sudo caches the password until I ...
1
vote
3answers
421 views

No password prompts in Ubuntu (except login and lock screen)

I would only like a password prompt at login and lock screen (i.e, to make sure others don't use my computer). However, when I am at my computer, I do not want to be prompted at all for my password, ...
15
votes
1answer
9k views

How do I run specific sudo commands without a password?

On one particular machine I often need to run sudo commands every now n then. I am fine with entering password on sudo in most of the cases. However there are three sudo commands I want to run ...
3
votes
2answers
2k views

Run Bash Script as Root

Is there some way I can run a Bash script as root without being prompted for a password every time? I'm attempting to automate the process of starting my LAMPP install, which requires me running a ...
1
vote
2answers
1k 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 ...
3
votes
6answers
7k 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
202 views

Can I automate updating/upgrading with sudo in this way?

Please consider this code: alias fast='echo "password" | sudo -S apt-get update && sudo -S apt-get upgrade' I have not yet had a problem using it but is it possible that if the first step, ...
0
votes
2answers
1k views

Cannot turn off password [duplicate]

Possible Duplicate: Why does Ubuntu force users to create a password upon installation? Cannot authenticate without a password It did not fix my problem. If I create an admin account ...
0
votes
3answers
4k 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 ...
14
votes
3answers
12k views

Execute sudo without Password?

Inspired by this question.... I am the sole person using my system with 12.04. Every time I issue a sudo command; the system asks for the user password (which is good in its own way). However I was ...
0
votes
0answers
20 views

Why does ubuntu 12.04 not ask for sudo password when installing updates? [duplicate]

Possible Duplicate: Update Manager does not ask for password anymore Why does ubuntu 12.04 not ask for sudo password when installing updates? Isn't this a security issue? Thanks.
7
votes
0answers
10k views

Can I run sudo without entering a password? [duplicate]

Possible Duplicate: How to run an application using sudo without a password? I like Ubuntu, but I hate entering a password every time when I run a command with sudo. Can I avoid it?
0
votes
2answers
2k 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
3answers
4k views

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

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] ...
6
votes
2answers
4k views

How do I prevent PolicyKit from asking for a password?

For years, I've had the following in my sudoers file: scott ALL=NOPASSWD: ALL For those who don't know, this prevents sudo and friends (gksudo, etc.) from asking for a password. However, over the ...
3
votes
2answers
5k 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 ...
1
vote
1answer
302 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 ...
3
votes
1answer
894 views

Terminal problems entering password

Every time I try to enable shell theme extension or anything in general in Terminal it asks me for a password but won't accept it.
5
votes
1answer
141 views

How do I allow a group (except one user in that group) to use sudo without a password?

How do I allow an entire group, except a certain user in that group, to use sudo without providing password?
0
votes
2answers
2k views

Unble to use administrator account created without password

I installed Ubuntu 11.10 two days back. Today I added a user named vivi and set it to administrator. And I just changed vivek, my username, to standard user. Now, since I created new user vivi, I have ...
1
vote
3answers
122 views

How do I limit administrative tasks for normal users?

I want to limit administrative tasks, so users cannot mess up the system. My idea was to install Ubuntu, set up automatic login, and hand it to the users without them knowing the password. However, I ...
2
votes
1answer
1k views

locked out of sudo while knowing my password

I have one admin account and recently I have accidentally added myself to a single group (usermod -G without -a). So, I am not in the sudoers file anymore. However, root is not loginable by default on ...
2
votes
1answer
209 views

why is access denied when I run hwinfo

I recently had someone install ubuntu on my laptop and something just doesn't feel right about it. I am a newbie and don't really know what I'm looking for or how to look for it. after trying to make ...
0
votes
1answer
387 views

Is there a way to never have to put in your password after you have logged in? [duplicate]

Possible Duplicate: How to make Ubuntu remember forever the password after the first time I put my password in when I log in but after that I don't want to type it again. When I use my ...
10
votes
6answers
2k views

Why can't non-admin users install software?

This is probably something I don't understand since I am used to Windows and am only starting out with Ubuntu. I know that software in linux comes in packages what I don't understand is why can't ...
5
votes
2answers
2k views

Password not working in Graphical Applications (gksu)? Works with sudo

I am having a problem where when I try to run say GParted, when I am prompted for a password, it says "Incorrect Password" But when I enter the same password using terminal sudo gparted for example, ...
3
votes
1answer
978 views

Ubuntu Server Automatically Insert Password Using Python3

I'm trying to create a small python3 program for my friend which will install and configure the nessarcary set-up for his Ubuntu Server. I want him to be able to start the program, give some basic ...
9
votes
2answers
3k views

How to prevent system applications (like the Software Center) from asking for password?

I'd like Software Center, Update Manager and some other system management applications to work without asking for password (like sudo does if configured with NOPASSWD) but only asking for a ...