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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8
votes
1answer
517 views

For what duration is sudo_root in “don't-prompt-for-password” mode?

The first time a user enters sudo foo, sudo_root prompts for the password. For a certain duration after that, sudo_root doesn't prompt for a password for any subsequent sudo foo's in that terminal ...
8
votes
1answer
4k views

What is the equivalent of gksudo in Kubuntu/KDE?

In regular Ubuntu (Unity/Gnome), I use gksudo to run GUI programs with root privileges. I'm trying out Kubuntu (or KDE) now -- what do I use?
8
votes
1answer
34k views

Open file or application as root from GUI

Is it possible to open a file or application as root from the GUI? My ideal would be right-clicking on a file or an application and seeing an "Open as Root" choice in the context menu, after which I ...
8
votes
4answers
849 views

sudo doesn't ask for a password, even after multiples reboots

I haven't edited my sudoers, but I don't have to enter the password when running sudo in the command line. I can run any sudo command without entering the password, by just opening the terminal, even ...
8
votes
1answer
497 views

Access to /dev/ttyUSB0 and sudo

This is my first question here. I am running Ubuntu 12.04 and have an application accessing the USB port of computer. My Ubuntu username is gadu. Until today, i've always used the following command: ...
7
votes
4answers
73k views

How to run applications as root?

I am having some strange issue with Kate and Kwrite. When I click on Open File, it crashes with segmentation fault. I am a complete newbie to Linux, and I think the issue is that I am not running ...
7
votes
5answers
3k views

How can I get sudo to accept my password?

I am trying to install subversion on my Ubuntu 12.04 desktop. I follow the commands to start this process, using apt-get: sudo apt-get update sudo apt-get install subversion Either of the above ...
7
votes
2answers
14k views

Run apt-get without sudo

This might be a very naive question, but I wanted to know how I could give multiple users access to a single computer without making them root users. How would I give them limitted sudo access such ...
7
votes
1answer
846 views

Weird messages when using sudo

Whenever I run a sudo command in the terminal, this happens: arun@arun-GP70-2OD:~$ sudo apt-get update sudo: /etc/sudoers.d/README is world writable sudo: /var/lib/sudo writable by non-owner ...
7
votes
2answers
4k views

How do I make a sudo command start at start-up with a 1 minute delay?

I would like to make a sudo command (sudo service smbd restart) run after 1 minute of being logged on. How would I go about doing this? P.S. This is a system with no monitor, mouse, keyboard or ...
7
votes
2answers
11k views

How can I get an interactive shell as another non-root user?

I'm using Ubuntu 10.04 LTS server, with the default security model (root locked, using sudo to elevate privileges). I occasionally enjoy using sudo -i when I'll need to run a series of commands with ...
7
votes
1answer
686 views

How can I change the number of password entry attempts allowed by sudo?

By default, sudo prompts me to input my user password a maximum of three times if I input wrong password. How can I change it to unlimited times(?)? How can I make it so that it asks me for my ...
7
votes
5answers
2k views

Change sudo timeout under fish

I want to change sudo timeout, so I edit sudoers via visudo (as adviced in many tutorials online) to the following form: Defaults env_reset , timestamp_timeout=20 root ALL=(ALL:ALL) ALL %admin ...
7
votes
3answers
5k views

How to run a Desktop graphical application just once under sudo?

For example, I'm trying to run Archive Manager from Ubuntu Desktop (10.04) under sudo otherwise it won't let me extract a Software Development Kit into /usr/local Update: I don't want sudo to be a ...
7
votes
1answer
1k views

How to get sudo to prompt you for a password each time

I find that if I execute something using sudo that then if I execute something else soon after also using sudo, that it does not prompt me for my password, and although this can be inconvenient in ...
7
votes
3answers
33k views

How to execute sudo commands with Expect & send commands in bash script?

Can any body let me know how to execute sudo commands with expect. I tried the following but this is not working. Can anyone give me suggestion please? set login "sasuke" set addr "hostname" set pw ...
7
votes
1answer
10k views

sudo does not ask for password [duplicate]

Whenever I issue command sudo apt-get install foo it does not ask for password. is it because of user groups? How to make it prompt for password? Edit: My sudoers file apple@Ascension:~$ sudo cat ...
7
votes
1answer
44k views

“error: XDG_RUNTIME_DIR not set in the environment.” when attempting to run nautilus as root

I am attempting to run nautilus as root but when I run "sudo nautilus" from the terminal, I get the following error: error: XDG_RUNTIME_DIR not set in the environment. (nautilus:9341): ...
7
votes
2answers
12k views

How do I prevent git from requiring sudo on every git command

I created a directory /var/www to store my web apps clone in. When I initially cloned the app from github it required me to use sudo and every time I do a git pull it's requiring sudo. I'm running ...
7
votes
1answer
8k views

sudo: unable to stat /etc/sudoers: No such file or directory - File Exists

I am one of a few people managing a gaming server. The Server is currently running Ubuntu 14.04, which was installed just 3 weeks ago. Everything was running fine until a few days ago, we've had a ...
7
votes
1answer
854 views

Where are unauthorized sudo attempts reported to

Where are unauthorized sudo attempts reported to? When you attempt to use sudo, and are not allowed, a message says that the attempt will be reported. Is this only reported in var/log/auth.log ? or ...
7
votes
1answer
278 views

Why superuser don't have global menu integration? [closed]

In Unity, when running an application as a superuser, the menu is in the old-style. It's not integrated in the global menu. Why?
7
votes
1answer
492 views

How disable mysql command in sudoers file?

How can I disable /usr/bin/mysql command in sudoers file? I've tried to use it this way: %tailonly ALL=!/usr/bin/mysql But when I access user 'tailonly' of group 'tailonly', this command is still ...
7
votes
1answer
750 views

Is it safe to run a GUI program as another user?

I need to run a program (libreoffice) as another user. I noticed that the program started in the background when invoked as kdesudo -u otheruser libreoffice, possibly to avoid social engineering ...
7
votes
1answer
2k 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?
7
votes
1answer
860 views

How to automatically opening terminal windows & tabs, ssh and sudo su?

When I start my day in front of my computer, I first have to do the following: In workspace 1: Open a new terminal window, ssh loginserver, then ssh serverA1 and sudo su account00 Open a new ...
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?
6
votes
7answers
4k views

Is the command `sudo rm /Desktop/filename` safe?

Is this safe to use? sudo rm /Desktop/FILENAME The reason for wanting to use sudo is I can't see the file. I accidentally typed in sudo rm /Desktop/index.html. It didn't find it but could ...
6
votes
3answers
941 views

Why is this bypassing the SUDO password?

I have a bash script I am using to automate a SVN checkout. The contents of the file were: #!/bin/bash cd /var/www-cake sudo svn checkout file:///usr/local/svn/bash_repo/repo/ Then when I double ...
6
votes
2answers
6k 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, ...
6
votes
1answer
11k views

how to shutdown a linux machine, including the root password, in 1 line?

How do you include the root password, say for shutting down an ubuntu machine? like, sudo shutdown now is it possible to include the password on this 1 line? like an extra parameter? reason for ...
6
votes
2answers
12k views

What's the difference between 'sudo [command]' and 'sudo sh [command]?

I'm trying to install VMware Workstation in my Ubuntu 12.04.2 LTS. If I execute the following command: sudo ./VMware-Workstation-9.0.1-894247.x86_64.bundle it finishes at once and the installation ...
6
votes
1answer
2k views

How to configure pkexec to not ask for password?

I have a GUI application that needs to call a daemon (written in Python) with superuser privileges. I would like to do this without prompting the user for a password. Since the daemon is a script, I ...
6
votes
1answer
12k views

How to allow execution without using the sudo?

I am writing a Java application where i need to do a command line execution and get a result back, but when i execute the command, it ask for sudo password. So far i tried: $ sudo -s $ vim ...
6
votes
2answers
417 views

Why can I remove a file as user which is owned by root?

As the title says: Why can I remove a file as user wich is owned by root? Here is an example: % sudo touch ~/test % ls -la ~/test -rw-r--r-- 1 root root 0 Jun 18 20:31 /home/aboettger/test % ...
6
votes
2answers
4k views

How can I ensure the `snd-hda-intel` module is loaded on startup?

I need to type sudo modprobe snd-hda-intel in order to get my sound card to work. What config file do I need to edit and what edit should I be looking to make so I can get the sound driver loading ...
6
votes
1answer
7k views

/etc/environment and /etc/profile.d/* ignored for the root user [duplicate]

How do I set global environment variables in Ubuntu, in such a way, that they would apply also to root user? Setting PATH or JAVA_HOME in /etc/environment or in /etc/profile.d/my_settings.sh both ...
6
votes
2answers
1k views

How do I allow a user to only run the apt-get update command with sudo?

I cannot figure out how to allow a user (in this case test) to only be able to run the apt-get update command with the sudoers file. When ever I try to add the user and then test it out it still does ...
6
votes
1answer
6k views

Errors followed by command “Sudo nautilus”

I have opened Nautilus with root power to delete some items.When I typed Sudo nautilus,the particular window opened up,but some errors also came along with it as following: meego@meego-Notebook-PC:~$ ...
6
votes
1answer
4k views

I accidentally removed myself from sudoers, how can I fix this? [duplicate]

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 any more. However, it is not possible to log in to ...
6
votes
2answers
367 views

To be granted root rights while browsing files/directories with Nautilus 2.30

I'd like to know if there a way to be granted root rights while using Nautilus 2.30 ? For example I'd like to move some old folders of long unused users from the home directory - remains of previous ...
6
votes
1answer
4k views

Sudo doesn't work: “/etc/sudoers is owned by uid 1000, should be 0”

When type sudo command by Terminal then show error, How to fix this sudo: /etc/sudoers is owned by uid 1000, should be 0 sudo: no valid sudoers sources found, quitting sudo: unable to initialize ...
6
votes
2answers
3k views

Why doesn't $HOME change if I use sudo?

I expected the -H option to give me the target user's environment. nbest@geo:~$ sudo -H -u tanum echo $HOME /home/nbest nbest@geo:~$ sudo -u tanum echo $HOME /home/nbest nbest@geo:~$ sudo -i -u ...
6
votes
1answer
4k views

apt-get could not open lock file

I am trying to get an nfs client running on a Sheeva-plug running debian 2.6.22. The host is Ubuntu 12.04 and claims (from showmount -e) to be exporting the desired directory. There is no showmount ...
6
votes
2answers
2k views

Can't perform regular sudo commands, have to use su now

I'm an ubuntu newbie I just installed 10.10 and I don't know what I did but now to perform actions that required sudo privileges (open synaptic, mount device, run apt-get install, etc) the OS won't ...
6
votes
1answer
221 views

How do I safely run a graphical application as a normal user while root?

We often talk about using gksu, sudo -i and pkexec to run things as root while a normal user but I'm facing the opposite problem today. The script I'm using is running as root. I need it to start a ...
6
votes
3answers
8k views

Run script as root at login (no sudoer user, shell session)

Much like /etc/profile and ~/.profile but ran by root instead of the user is doing login. /etc/rc.local runs after boot but I need running the script before login. The user is not a sudoer one. ...
6
votes
1answer
24k views

Sudo command not found (su login not working)

I had a system crash and now my Ubuntu runs into low-graphics mode. All the fixes require running commands with sudo. When I try this I get sudo: command not found. When I try logging in with su - I ...
6
votes
2answers
703 views

How do I tell a shell script my password?

I've been trying to create a script that runs sudo apt-get update and sudo apt-get autoremove whenever I log in. It goes like this: #!/bin/bash (sudo apt-get update) (sudo apt-get autoremove) But ...
6
votes
1answer
320 views

Lost sudo privileges [duplicate]

Last night I was working on installing vsftpd on my Ubuntu 12.10 server. I shutdown last night and when I booted up this morning I seemed to have lost the abilities to sudo anything. It just says, "** ...