Questions related to the sudo command that allows users to run programs with the privileges of a different user (normally the root user).

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5
votes
1answer
249 views

Sudo commands are run without entering the root password, how to stop this?(Ubuntu 14.04)

I haven't edited my sudoers, but I don't have to enter the password when running a sudo command line in the terminal. I can run any sudo command without entering the password, how can I stop this ?
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 ...
2
votes
1answer
55 views

Permission denied error after SSH login

I am having Permission denied errors after logging with non root user (which has permissions to do "sudo -i" command). I get these errors: -bash: /bin/uname: Permission denied -bash: [: =: unary ...
2
votes
1answer
233 views

sudo: unknown uid xxxxx: who are you?

I was using ssh and trying to upgrade a system from Ubuntu 10.04 to 12.04. The connection had an issue so I had to login again to finish the upgrade. After running sudo dpkg --configure -a that was ...
2
votes
1answer
80 views

Updater is not upgrading

I am using Ubuntu 12.10. I tried to upgrade it using the Software Updater, but it is not working even after pressing Upgrade button. Then I tried to upgrade through the terminal using the command sudo ...
2
votes
1answer
78 views

How to clean up aftermath from rookie ubuntu command

Here are the commands I regretfully run: sudo chgrp root /usr/bin sudo chgrp root /usr/local I had recently added a user to root group and because my user still did not have write permissions, I ...
2
votes
1answer
116 views

Why my gnome terminal is set to root by default?

When I try to open up a new terminal in Ubuntu to do some operations, it always defaults to an admin based terminal with [sudo] password for xxxxxxxx: $ I need a regular terminal. How do I do this? I ...
2
votes
1answer
648 views

Unable to open Update manager or Ubuntu tweak

I cannot open Update manager and Ubuntu Tweak when I open Ubuntu tweak I get this log user@laptop:~$ ubuntu-tweak Traceback (most recent call last): File "/usr/bin/ubuntu-tweak", line 124, in ...
2
votes
1answer
209 views

Is there a GUI to `visudo`?

Quite simply, is there a GUI to visudo I can recommend to other users, and use for myself? I have to set up a system where over 50 users have different sudo privileges and I need to juggle them all.
2
votes
1answer
78 views

Allow any user to use shutdown with my own shell

First of all sorry if my english is not excelent but it isnt my native language. I have a project where I'm building my own shell (named MYSHELL). One of the tasks is to create my own built-in ...
2
votes
1answer
305 views

About the installation of Moses tool on ubuntu 11.04

we are working on project related to language translation with the help of moses tool...but we are not able to install moses...we face some installation problems. we make a directory on desktop named ...
2
votes
1answer
56 views

Is it possible to run an application as superuser within boot without input?

I have an Ubuntu 12.04 Desktop machine running as a server with no input devices accessible after initial setup. I need to place any application that I want to run within the boot process. I have one ...
1
vote
1answer
26 views

kdesudo - can it return before spawned process closes?

kdesudo doesn't return until the process started with it exits. So, if I want to start three processes all at the same time, I have to use three terminal tabs. I'd rather use one tab that returns to ...
1
vote
1answer
60 views

How to add Active Directory users as sudoers

I'm following this article. What I've done: I can connect to Active Directory I can login to the Active Directory Now what I'm looking for is a way to make any active directory user a sudoer. I'm ...
1
vote
1answer
296 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 ...
1
vote
1answer
125 views

Cannot add ppa for gvfs-mtp

I am a total newbie concerning anything to do with Ubuntu/Linux. I am running 12.04 on VM Player. I am trying to connect my HTC One (Android 4.3) to Ubuntu, and looking online has told me to do: ...
1
vote
1answer
724 views

Permission problem with SFTP in FileZilla

Recently, we installed Ubuntu Server on our servers this is very new for us. However, we tried to setup a apache2 server which did work. But the problem is that we can't configure apache and other ...
1
vote
1answer
305 views

Adduser: group sudo does not exist

I am able to login to my account but can't do anything related to superuser now. Updates, sharing, sudo and all things say authentication failed. I tried to correct that by going in recovery mode and ...
1
vote
1answer
489 views

cannot start graphical programs with sudo

i have a fresh ubuntu 12.04 installation with encrypted home partition. i copied over my home folder from another computer. when i try to launch graphical programs via sudo i get errors like the ...
1
vote
1answer
94 views

How do I perform a backup of sudoers file?

After reading the following two posts: Trying to install an openVPN GUI messed up sudoers Standards accounts are able to get root access using sudo without password request I would like to learn ...
1
vote
1answer
1k views

Having Error message while using the “sudo nautilus” command in terminal

I am using Ubuntu 12.04 LTS (32 bit). When I run "sudo nautilus" command in the Terminal, this output appears: tushar@tushar-G41M-Combo:~$ sudo nautilus [sudo] password for tushar: Initializing ...
1
vote
1answer
505 views

Upgrading from 12.10 to 13.04 -> dpkg: error processing sudo (--configure)

Here's the deal and reason I'm asking for your help. Last night I went on upgrading my Xubuntu 12.10 installation to 13.04, so at tty1 I run the command sudo do-release-upgrade and everything ...
0
votes
0answers
44 views

sudo: setresuid() [0, 0, 0] -> [117, -1, -1]: Operation not permitted

I am not able to login as super user. Here's the output of setresuid(): sudo: setresuid() [0, 0, 0] -> [117, -1, -1]: Operation not permitted
0
votes
0answers
61 views

Can't use sudo after changing the user password

I am currently running Ubuntu 12.04 and I recently changed my account password. Before the password change, I was able to run commands via sudo when necessary while using my old password with no ...
0
votes
0answers
18 views

Wrong Scrollbars - sudo and SSH

I prefer the overlay scrollbars to the default Gnome scrollbars. These work fine except in two cases: Using sudo, like sudo synaptic. Using SSH to open an X application on a remote server. Or in ...
0
votes
0answers
91 views

sudo not working due to incorrect permissions

I broke my ubuntu server by typing the command chmod -R 777. Im trying to get it back to normal. Problems: When I try to use sudo, I get the error: sudo: unable to open /etc/sudoers.d/README: ...
0
votes
0answers
26 views

sudo part of tutorial for bootable usb

I've been trying to create a boo-table usb stick with Ubuntu on my macbook pro. I got to the part of the tutorial where it said to use the following command: sudo dd if=./target.dmg of=/STORE\ N\ ...
0
votes
0answers
43 views

Using xcfe4 to run apps requiring sudo user

Total newb. I installed Ubuntu 13.10 desktop to use as a server to play with on my home network. Intended to use RDP from Windows and found Unity 3D made this impossible (blank screen) so I've ...
0
votes
0answers
125 views

Error installing rails 3.2.14

I get the following error while installing Rails 3.2.14: With sudo apt-get install rails apt 0.8.16~exp12ubuntu10.16 for amd64 compiled on Nov 15 2013 15:33:57 Supported modules: *Ver: Standard .deb ...
0
votes
0answers
35 views

I attempeted to format ubuntu

I was trying to format ubuntu so i selected Restore to Factory Settings but nothing happened so i deleted all the partitions including the admin so now i am trying to make the partitions using guest ...
0
votes
0answers
25 views

recover data from autoclean

I have used sudo apt-get autoclean command and sudo apt-get clean command but didn't knew that I'll loose all my data. Is there any way to recover that data?
0
votes
0answers
78 views

Fix permissions for /usr

While trying to install adobe-flashplayer as a normal user (via a setuid binary, don't ask!), I suddenly noticed that the owner for /usr had been changed to myusername.myusername! Apparently, this is ...
0
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0answers
29 views

Lubuntu - unexplained message when hibernating - several users logged in but I'm the only one using it

Since quite recently, my laptop doesn't hibernate properly. Whenever I want to select an option, I get a message saying You need to authenticate as a super user to hibernate while several users are ...
0
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0answers
90 views

I m not being able to install LEX and Yacc in ubuntu.

I m not being able to install lex and yacc in ubuntu. I m not being able to download the analyzer as well. I have tried the command sudo apt-get install byacc flex. Its urgent please
0
votes
0answers
167 views

Never wrote password when setting up crouton on Chromebook, how do I set it up?

Since it never showed anything as much as I typed, I thought it was a bug so I just pressed enter 3 times until it let me set up my account without a password. But now I want to run Unity from sudo ...
0
votes
0answers
27 views

untrusted packages - sudo access denied

all my installations require installation of untrusted packages, and by clicking ok on it I get nowhere. Than I try to do something through terminal according to posts on this site and than I get sudo ...
0
votes
0answers
195 views

Cannot open display under Superuser

I am running Ubuntu 12.04 under VirtualBox. Everytime I try to open a graphical application from the terminal as superuser, I get an error: user:~$ sudo gedit Cannot open display: Run 'gedit ...
0
votes
0answers
280 views

member of group sudo can't sudo

1) why can't I invoke sudo if one of my groups is sudo? 2) also I have noticed that /etc/sudoers needs sudo privileges. sudoers.so doesn't exist in /usr/lib but does in /usr/lib/sudo is this correct ...
0
votes
0answers
42 views

Wrong theme with kdesudo

A while ago I installed Kubuntu on Ubuntu (then 12.10) with sudo apt-get install kubuntu-desktop. Ever since I've got a problem when running some gui applications as root. For example when running ...
0
votes
0answers
628 views

crontab -e unable to save

I am trying to save a cronjob to the crontab file. If i just run: crontab -e, it opens up the file in sublime but when i try to save, it pops up with: Unable to save /tmp/crontab.FKjsLq/crontab If ...
0
votes
0answers
26 views

re-enabling an account

i need help on how to re-enable an account, my computer admin disabled my account, which means i cant perform the sudo command without a password, i keep asking him to put my password back, but he ...
0
votes
0answers
18 views

Merged etc, home, and var to copy user accounts and broke system how do I regain root privilages (failed user account migration)

I merged etc, home, and var to copy user accounts and broke system how do I regain root privilages failed user account migration
0
votes
0answers
280 views

Python script works fine with root but doesn't work with sudo

I have a python script that I run as root and it works fine. When I try to run it with another user (not root) I use sudo command, but it doesn't work. As root, I have typed: /usr/bin/python ...
0
votes
0answers
292 views

sudo password for parallels?

I'm having a problem in Parallels 8 with Ubuntu 12.04 as my guest OS. Ubuntu asked me for a UNIX password when I first logged on, and I typed in my desired password. However, any time I try to use a ...
0
votes
0answers
165 views

Installed Qt as sudo su, unable to launch IDE

I installed Qt 5.1 by the following commands in Ubuntu 12.04.3 sudo su cd /QtSdk--linux-.run chmod +x QtSdk--linux-.run chown root:root QtSdk--linux-.run ./QtSdk--linux-.run After installation, the ...
0
votes
0answers
88 views

I turned off signing in with password - now I cannot authenticate for admin tasks

When I turned off sign in with a password and when I went to go install programs and the password menu pops up so it will install the program. It says I have the wrong password when I type in my ...
0
votes
0answers
243 views

Root commands don't work for matlab ./install (gksu, gksudo, dkesudo)

somehow I can’t launch ./install with root. I mounted matlab2013 with Furius. If I execute ./install, when installer fails to install in /usr/local/matlab folder. I tried sudo ,gksudo, gksu and ...
0
votes
0answers
206 views

Headphones don't work: 13.04 - Toshiba Satellite P205 s8811: Realtek ALC268

Headphones don't work: Just installed 13.04 on my Toshiba Satellite P205 s8811. External speakers work. Audio card by Realtek ALC268 and I have tried: alsamixer but made absolutely no difference & ...
0
votes
0answers
89 views

Firefox wont download anything after running sudo optirun with it help please?

I am running on Ubuntu 12.04.1, Firefox 22. I recently ran "sudo optirun Firefox" the reason for this is because if I run that command YouTube/flash/html5 and other types of videos I watch only don't ...
0
votes
0answers
574 views

cannot install gnuplot in ubuntu 12.04

whenever I type sudo apt-get install gnuplot I get: Err http://in.archive.ubuntu.com/ubuntu/ precise/universe gnuplot-nox i386 4.4.3-0ubuntu3 Connection failed [IP: 91.189.92.200 80] 0% [Waiting for ...