Questions tagged [sudo]
The sudo command allows users to run programs with the privileges of a different user (normally the root user). Use this tag for questions related to configuring and using the sudo command.
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How can I add a user as a new sudoer using the command line?
After I add a user using adduser, I can't see it via System > Administration > Users and Groups unless I log out and then log in again. Is that normal?
Also, can I set a newly added user as a sudoer ...
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Error message "sudo: unable to resolve host (none)"
When I run sudo the terminal is stuck for a few seconds and then outputs an error message. My terminal looks like this:
ubuntu@(none):~$ sudo true
sudo: unable to resolve host (none)
What can I do ...
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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 ...
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Run a shell script as another user that has no password
I would like to run a script from the main ubuntu shell as a different user that has no password.
I have full sudo privileges, so I tried this:
sudo su -c "Your command right here" -s /bin/sh ...
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320
votes
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answers
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'sudo su -' vs 'sudo -i' vs 'sudo /bin/bash' - when does it matter which is used, or does it matter at all?
When I'm doing something that requires root be typed in dozens of times in a row, I prefer to switch my session to a root session. In the various tutorials and instructions I have used on the Internet,...
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answers
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How to modify an invalid '/etc/sudoers' file?
How do I edit an invalid sudoers file? It throws the below error and it's not allowing me to edit again to fix it.
Here is what happens:
$ sudo visudo
>>> /etc/sudoers: syntax error near ...
user25165
287
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7
answers
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How to run sudo command with no password?
How does the ubuntu user on the AWS images for Ubuntu Server 12.04 have passwordless sudo for all commands when there is no configuration for it in /etc/sudoers?
I'm using Ubuntu server 12.04 on ...
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votes
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answers
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How do I run specific sudo commands without a password?
On one particular machine I often need to run sudo commands every now and then.
I am fine with entering password on sudo in most of the cases.
However there are three sudo commands I want to run ...
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E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable)
I'm trying to run this command in the terminal:
sudo apt install software-properties-common
This is the error message I get:
E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource ...
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answers
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Where are sudo's insults stored?
For those who like humour, sudo can be configured to print a random more or less insulting or funny phrase instead of the neutral Sorry, try again. by adding the line below to /etc/sudoers (using the ...
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How do I start/stop mysql server?
I tried to find in some articles describing how to correctly start & stop mysql server.
I found this link: How to start/stop MySql server on Ubuntu 8.04 | Abhi's Blogging World
I ran this ...
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votes
8
answers
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How do I add a user to the "sudo" group?
In /etc/sudoers I see this:
# Allow members of group sudo to execute any command after they have
# provided their password
# (Note that later entries override this, so you might need to move
# it ...
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Sudoers file, enable NOPASSWD for user, all commands
Preface
This is a fairly complex question related to the sudoers file and the sudo command in general.
NOTE: I have made these changes on a dedicated machine running Ubuntu Desktop 13.04, that I use ...
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votes
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Aliases not available when using sudo
I was playing around with aliases today and I noticed that aliases don't seem to be available whilst using sudo:
danny@kaon:~$ alias
alias egrep='egrep --color=auto'
alias fgrep='fgrep --color=auto'
...
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Why doesn't `sudo cd /var/named` work? [duplicate]
I want to cd into /var/named but it gives me a permission denied error, and when I want to use sudo to do this I am not permitted. What is the technical reason for this, and is it possible to do this ...
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How to solve "permission denied" when using sudo with redirection in Bash?
When using sudo to allow edits to files, I regularly get 'permission denied'.
For example, my mouse is jittery and sluggish, so I want to disable polling:
sudo echo "options drm_kms_helper poll=N"&...
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8
answers
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How to avoid using sudo when working in /var/www?
I want to stop having to use sudo everytime I work in /var/www. How can I do that? I simply want to put all of my sites into this directory and work with them without too much pain.
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What are the differences between "su", "sudo -s", "sudo -i", "sudo su"?
I already read it from manual but I can't see difference..
su - change user ID or become superuser
sudo -s [command]
The -s (shell) option runs the shell specified by the SHELL environment variable ...
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How do I grant sudo privileges to an existing user? [duplicate]
I want to grant a newly created user sudo privileges in Ubuntu.
I tried
sudo adduser hduser admin
but it says no admin group exists.
How can I do it?
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How do I run a 'sudo' command inside a script?
To do a patch manually I must type this command
sudo ./playback_delete_data_patch.sh 09_delete_old_data_p.sql
There is a space just before the 09:
sudo ./playback_delete_data_patch.sh [space] ...
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How could I list all super users?
I want a command to list all users who have root privileges i.e. sudo ?
Suppose I'm a sudoer user. How could I know all other sudoer users?
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Run same command again but as root
Sometimes when I run a command I don't notice that I needed to run it as super user to have enough permission.
Is there a way to run the same command again but as a super user?
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I want to copy a directory from one place to another via the command line
I want to copy a directory from one place to another folder.
sudo cp is the command, but after that what should I type? The destination or source first?
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Cannot echo "hello" > x.txt even with sudo? [duplicate]
Possible Duplicate:
sudo & redirect output
I'm trying to create a file in /var/www, but even with sudo this fails:
user@debVirtual:/var/www$ sudo echo "hello" > f.txt
-bash: f.txt: ...
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votes
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answers
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Why should users never use normal sudo to start graphical applications?
I've read the comunity "RootSudo" documentation and am interested in this line:
You should never use normal sudo to start graphical applications as Root.
Why? What is the difference? Please ...
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/usr/bin/sudo must be owned by uid 0 and have the setuid bit set
I have run following command accidentally
sudo chown [username] -hR /
Now sudo su getting error:
sudo: /usr/bin/sudo must be owned by uid 0 and have the setuid bit set
How to Solve This?
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Why is sudoers NOPASSWD option not working?
I have a NOPASSWD line in /etc/sudoers (edited with visudo)
gatoatigrado ALL=(ALL) NOPASSWD: /bin/set-slow-cpufreq
However, the output is,
gatoatigrado@coral:~> sudo -n /bin/set-slow-cpufreq
...
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Remove note about sudo that appears when opening the terminal
Whenever I open the terminal,
To run a command as administrator (user "root"), use "sudo <command>".
See "man sudo_root" for details.
appears before the terminal. How do I get that to go ...
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How do I sudo a command in a script without being asked for a password?
I want to turn my system on automatically every day. So I use the below code in my Python script, but sudo asks me for a password every time:
os.system('sudo sh -c "echo date \'+%s\' -d \'+ \
...
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Remove sudo privileges from a user (without deleting the user)
If you give a user sudo privileges how can I remove the sudo privileges and make the user become just a regular user?
I used:
sudo adduser username sudo
Now I've changed my mind.
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how to use sudo command to install .tar.gz? [duplicate]
Possible Duplicate:
How to install a .tar.gz (or .tar.bz2) file?
I am newbie to ubuntu. I would like someone to explain how to use sudo command to unzip & install .tar.gz file to me.
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How do I fix a "E: The method driver /usr/lib/apt/methods/http could not be found." error?
I tried updating my packages from the terminal and this is what I got:
$ sudo apt-get update
E: The method driver /usr/lib/apt/methods/http could not be found.
E: The method driver /usr/lib/apt/...
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How do I login as root?
I want to login as root, but when I enter
sudo -s
and enter password, this message is shown: "you are not in sudoers file", and when I enter
su
and enter password, this is shown: "authentication ...
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What is the difference between "gksudo nautilus" and "sudo nautilus"?
I've been using gksudo nautilus and sudo nautilus through Alt+F2.
What's the difference? They look very similar!
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How to enter a directory with the 'cd' command if it has 700 permission and is not owned by me?
I tried to use sudo cd name_of_dir but am getting the error message:
sudo: cd: command not found
Is there any other way to enter a directory owned by another user which has 700 permission?
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How to avoid being prompted for a password by sudo? [duplicate]
I know I can become root (super user) via the su command but I have to authorize it after entering the commands. Is there a way I can become root and authorize (with password) in one line
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How to launch application as root from Unity Launcher?
Mainly I am looking for a way to pin an application to the Unity launch bar, and run it as root.
Currently, even if I start the application with sudo, and pin it after it starts, it will start as ...
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How can I create an administrator user from the command line?
I want to create a user with administrative privileges and all the regular setups like home directory.
Is there a adduser parameter to give the user sudo powers automatically?
What are the default ...
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Is it possible to stop .sudo_as_admin_successful being created?
Every time I execute a command with sudo, a file called .sudo_as_admin_successful is created in my home directory. As far as I can tell, this exists for the sole purpose of disabling this message that ...
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How does sudo handle $HOME differently since 19.10?
In Ubuntu releases prior to Ubuntu 19.10 Eoan Ermine, when I run a command with sudo, that command receives my home directory in the $HOME environment variable. This is the behavior I have long ...
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sudo: source: command not found
I've been updating some of the default profile for bash, and saw from the tutorials I was following that I could reload the new profile with the new environment settings by using:
source /etc/bash....
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Terminal command with sudo takes a long time
I noticed that the terminal recently becomes too slow when I execute a command that needs my password. It takes some seconds to display [sudo] password for ...
I'm using Dell XPS developer edition (i7,...
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When to use pkexec vs. gksu/gksudo?
There are two general ways to run applications graphically as root (or, more generally, as another user). Programs like gksu, gksudo, and kdesudo are graphical frontends for sudo. In contrast, pkexec ...
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Who are incidents really reported to, and how can a sudo user access the reports?
When my non-sudo account tries to run a sudo command:
nonsudo@Hairy14:$ sudo hello
An incident is reported:
[sudo] password for nonsudo:
nonsudo is not in the sudoers file. This incident will be ...
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What is the difference between the 'sudo' and 'admin' group?
I noticed that two groups are granted similar-looking permissions in /etc/sudoers:
# Members of the admin group may gain root privileges
%admin ALL=(ALL) ALL
# Allow members of group sudo to execute ...
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When using && and sudo on the first command, is the second command run as sudo too?
If I run a command.
sudo some-command && some-other-command
Is the second command being run with sudo previlege also?
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How to use a python virtualenv with sudo?
I am trying to make a python environment separate from the system one (using virtualenv) in a directory which is not under /home, because I need to use it to build other software that has to be ...
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after upgrade gdb won't attach to process
I just recently upgraded from 10.04 to 11.04 and gdb won't allow me to attach to processes anymore I get the error
Attaching to process 10144 Could not
attach to process. If your uid
matches ...
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What if I accidentally run command "chmod -R" on system directories (/, /etc, ...)
I accidently ran
sudo chmod 755 -R /
instead of
sudo chmod 755 -R ./
I stopped it after a few seconds, but now I'm starting to have problems. For example, sudo isn't working anymore:
sudo: must be ...
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How to come out of root user?
I just gained root access following steps from the http://www.wikihow.com/Become-Root-in-Ubuntu. My prompt get changed from $ to # sign, indicating I have root access. Now I have come out or log out ...
