Questions tagged [visudo]
visudo edits the sudoers file in a safe fashion
66
questions
1
vote
1answer
73 views
Messed up the sudo access!
Not sure if this is the place for troubleshooting, but I am gonna give it a shot.
I was trying to make my computer turn off without needing sudo, and I must have done something wrong because I get a ...
0
votes
1answer
65 views
Adding my user to sudoers does not work. Still ask for password
I have a fresh install of Ubuntu 18.04
I made the mistake of editing /etc/sudoers with "vim" first instead of using "visudo".
Therefore when I was doing "sudo command" it kept asking for my password.
...
0
votes
1answer
59 views
sudoers doesn't work
I added powertop to /etc/sudoers (sudo visudo) but it doesn't work. I checked all possible problems I can imagine. What did I missed?
user@ellie:~$ whoami
user
user@ellie:~$ groups
user adm cdrom ...
0
votes
1answer
67 views
What should /etc/sudoers contain normally? [duplicate]
When I run sudo visudo , what should it contain?
Please give me an example of what it should have normally for a sudo user.
0
votes
1answer
80 views
a change with visudo doesn't work
I issue visudo command, add this rule to the very end of the file, save the file and quit.
newuser ALL=/usr/sbin/useradd
However newuser is still able to run such commands as
sudo passwd ...
1
vote
1answer
165 views
How can I run a sudo command as sudo (!) without password? (cryptsetup needs to be run as sudo in order to use kernel module 'device-mapper')
Solved
Besides not commenting the #includedir line in /etc/sudoers out, editing
sudoers.d/myOverrides with sudo visudo -f /etc/sudoers.d/myOverrides, and using the syntax I first tried, did the ...
1
vote
0answers
93 views
Root user access for another user [duplicate]
I am trying to gain root user access to another user so that I can run a command with adding sudo in front of any command.
Example: fdisk -l
Getting the error message as:
fdisk: cannot open /dev/...
0
votes
1answer
348 views
user is not in the sudoers file
Once configured my VM with Ubuntu 18.04 and joined to an AD domain, when trying to do sudo operation with my domain user, the error message is always:
"domainuser is not in the sudoers file. this ...
0
votes
1answer
243 views
/etc/sudoers is owned by gid 33, should be 0, and when I try pkexec I get “authentication failed”
I was trying to get access and write permissions to my apache sites-available folder over ssh/sftp. I didn't really understand what I was doing to be honest and ran the following commands:
$ sudo ...
0
votes
1answer
351 views
How to run “systemctl” + $ + “apache” $=stop,start,restart as non sudo/root user?
Yeah basically the title,
I want to do that things from a app that can run Linux scripts per SSH.
I only want to run these three and not ALL from systemctl with my basic user.
So thanks.
0
votes
1answer
450 views
Can't grant myself permissions to execute `rm` command as sudo
I have a user account on my machine:
$ (whoami)
> foo_user
I've updated by /etc/sudoers file to grant myself permissions to use the rm command:
User_Alias OPERATORS = foo_user
Cmnd_Alias ...
2
votes
4answers
3k views
How to allow a command to be executed for a particular user without password with sudoers file?
Can anyone please explain the exact work of these in /etc/sudoers ? (I've done some research, so please don't share any links)
I want to add myself (member of sudo) to execute a command without ...
1
vote
1answer
104 views
Can I edit the sudoers file with visudo using my bootable USB
Something I did with a sudo dpkg ... installation in an attempt to fix problems with my audio clobbered my ability of my sole user-name to run sudo in 18.04 LTS (Bionic Beaver). This is a single OS ...
2
votes
2answers
2k views
Can't run visudo within Docker; sudoers file does not exist
Ubuntu n00b here. I am tinkering with a Docker container that I created using the following simple Dockerfile:
FROM ubuntu
CMD ["tail","-f","/dev/null"]
Inside the container, as the root user, I try ...
0
votes
0answers
31 views
How can I fix broken sudo - sudo: parse error in /etc/sudoers near line 1 [duplicate]
I am a newbie to Ubuntu I tried to get rid off from asking password every time so I changed some line in sudoers file now I am stuck. How can I solve this?
1
vote
1answer
64 views
I have somehow locked or removed my access to sudo - how can I fix it? [duplicate]
I am fairly new at Ubuntu system and commands. I was trying to follow some tutorial online explaining how to setup using no password to download apps. I was in visudo, and next thing I know I can't ...
0
votes
0answers
82 views
In which cases multiple hostnames are set/uses with sudo
My computer has a label/hostname, let's say learn_linux.
In the /etc/sudoers the format is:
user ALL=(ALL:ALL) ALL
%group ALL=(ALL:ALL) ALL
the first field -> user, %group is referring to ...
3
votes
1answer
17k views
Add user to sudoers
I want to add a user account to sudoers.
I type in
sudo usermod -aG sudo username
Then I reboot.
I type
apt update
I get permission denied.
I type
sudo apt update
Followed by account ...
0
votes
1answer
60 views
Configure a group to change date via GUI without admin privileges
On Ubuntu 16.04, I would like to create a group of users, named "group_1", without admin privileges who would be able to change the date.
To do so, I use the command visudo and add the line :
...
0
votes
1answer
547 views
how to edit sudoers file and pass a file which contains list of commands instead of commands list in sudoers file
I need to edit visudo file to allow users to access certain commands.
If i edit visudo file to add some commands, then i have to edit visudo file very frequently .
Instead of editing visudo file I ...
0
votes
0answers
286 views
WSL: visudo -c complains “parse error”
I'm having a problem trying to set a sudoer file in WSL.
So, I created a file /etc/sudoers.d/wheel containing the following one line:
%wheel ALL = NOPASSWD: (ALL:ALL) ALL
But whenever I run visudo ...
0
votes
0answers
242 views
How can I configure visudo to run a script with root privileges for a non root user?
I need than a deployer (member of group deploy) can run some scripts with root priviegies. But I dont want that deployers can run anythig. I try this.
With a root user I do:
~$ echo "touch /opt/expe/...
0
votes
0answers
553 views
sudo environment variables disappeared
Symptom:
user1@ubuntu:~$ printenv PATH
/system/company/root/bin:/usr/lib/icecc/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/system/company/scripts:/opt/puppetlabs/bin
...
0
votes
1answer
290 views
Changing visudo caused a problem with sudo [duplicate]
I added something in visudo and now when I want to run sudo it gives me the following error: Sorry, user reza is not allowed to execute '/bin/su' as root.
What should I do?
0
votes
0answers
620 views
Avoid password prompt while using minicom
I have the following python code where I am trying to open the device /dev/ttyUSB5 using minicom:
import serial
import os
b1_ser_port_num=5
cmd="/dev/ttyUSB"+str(b1_ser_port_num)
print "We are now ...
3
votes
2answers
2k views
Change in sudoers does not take effect. Ubuntu 16.10 fresh install + one line.
Trying to remove password on sudo. My current sudoers file:
Defaults env_reset
Defaults mail_badpass
Defaults secure_path="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:...
1
vote
1answer
2k views
What is the purpose of group privileges in sudoers file?
I removed my regular user from the sudoers file but it is still part of sudo group which has all privileges granted in the sudoers file. When I try to execute any command in sudo from my regular user ...
0
votes
0answers
382 views
Getting “sudo: no tty present and no askpass program specified” even though I put user in my /etc/sudoers file [duplicate]
I’m using Ubuntu 14.04. I have edited my /etc/sudoers file to look like so
Defaults env_reset
Defaults mail_badpass
Defaults secure_path="/usr/local/sbin:/usr/local/bin:/usr/...
4
votes
2answers
382 views
How to see what pkaction a software uses
So, I have one software that always asks for password when starting. And I want to run this software without this gksu password prompt popping up everytime.
The first thing I tried was adding its ...
1
vote
1answer
463 views
Visudo - Change user without password doesn't work
I want a user to be able to change to another user without a password and any other root rights. I followed already a hint on https://apple.stackexchange.com/questions/82438/allow-sudo-to-another-user-...
2
votes
1answer
3k views
What is the difference between the group root and the group sudo? Why root user by default is not a member of the group sudo?
I am quite confused regarding this matter.
As far as I know the user root has all the privelages.
Also all the users of the group sudo has all privelages.
But the user root by default is not a ...
0
votes
1answer
194 views
16
votes
1answer
2k views
Get email notification for using 'sudo' by a specific user
I have a server set-up and I let somebody that I trust with a little bit of sudo access have it. However, I also want an email anytime that they use sudo.
I know that I can use Defaults ...
1
vote
2answers
2k views
Visudo Command Not Working on Sudo User
I recently bought a vps and I have am fairly new to using ubuntu on it since I have always used shared hosting.
I have created a sudoer user and it worked perfectly fine yesterday except when I ...
0
votes
1answer
2k views
Sudo doesn't recognize correct password [duplicate]
I tried changing my sudoers.d file to remove authentication from my pc by typing %admin ALL=(ALL) NOPASSWD:ALL without using visudo. However, after doing that anywhere where the sudo command is used, ...
1
vote
0answers
617 views
user in sudo group can't run sudo
I've seen other similar questions but they don't solve my problem unfortunately.
I've been added to the sudo group on my Ubuntu 14.04 with
usermod -aG sudo testuser
but I still can't run sudo:
:~...
0
votes
1answer
1k views
ubuntu drop to root shell prompt asks for password
I'm using ubuntu 14.04 and I messed visudo and now sudo code is not working.
So, I tried to fix it but because I'm not root user, I can't access to visudo to fix what I messed. so I tried reboot and ...
1
vote
1answer
747 views
Upstart for docker and setuid permissions
OK, this has kept me busy for a day at least, since last night. I am trying to do something very simple: run a bash script which creates a few folders and runs a docker container - but using upstart. ...
1
vote
1answer
273 views
timestamp_timeout in Ubuntu doesn't work
I use ubuntu 14.04 and I tried to change sudo password timeout but change made to it doesn't work. Please help , My visudo file looks like this.
GNU nano 2.2.6 File: /etc/sudoers....
2
votes
0answers
25k views
Sorry, user is not allowed to execute X as root on lt
Whenever I try to run a command from the termainal as sudo, I am now getting the error:
Sorry, user {user} is not allowed to execute {command} as root on lt.
lt is the name of my computer.
The only ...
3
votes
2answers
1k views
Certain commands not working for a user with sudo after adding to `sudoers` file
I cannot seem to allow the user (In this case Ruby) to run sudo rm -rf, sudo rmdir, or sudo mkdir. I have tried it with other commands and it works fine allowing that user to run sudo apt-get update ...
2
votes
1answer
666 views
Explanation of visudo lock file
When I edit /etc/sudoers using visudo, I think it saves to sudoers.tmp, checks it for errors, then copies it to the real /etc/sudoers.
However, I can't confirm my theory (how the lock file is used) ...
5
votes
1answer
2k views
Must use 'visudo'?
In /etc/sudoers, it says:
# This file MUST be edited with the 'visudo' command as root.
My question is, why must this file be edited with visudo?
It seems I was able to edit the file successfully ...
3
votes
0answers
1k views
Reset sudoers file
I want to add a new user to run all commands without a password, so I went to edit /etc/sudoers (using visudo of course) by adding the line myuser ALL=NOPASSWD: ALL.
Everything is OK, but 15 minutes ...
3
votes
1answer
28k views
sudo: can't open /etc/sudoers: Permission denied [duplicate]
sudo from a standard user works fine, but when I try to use it from root it returns this error:
sudo: can't open /etc/sudoers: Permission denied
sudo: no valid sudoers sources found, quitting
/etc/...
0
votes
1answer
1k views
Allow nopasswd sudo for specific user
I am trying to set the scp as a specific user with NOPASSWD.
alice ALL = (bob:ALL) NOPASSWD: /usr/bin/scp
As I did understand from this question.
However when I save using my visudo I still can't ...
3
votes
1answer
4k views
visudo: specified editor (./sudo_editor) doesn't exist
I tried to run the
"sudo EDITOR=./sudo_editor visudo -f /etc/sudoers.d/relax_requirements"
command and the error came out as:
visudo: specified editor (./sudo_editor) doesn't exist
Anyone know what ...
134
votes
2answers
118k views
How to change visudo editor from nano to vim? [duplicate]
When I use visudo, it always opens it with nano editor. How to change the editor to vim?
25
votes
3answers
14k views
Change the default editor when sudo visudo
When doing sudo visudo, the default editor is nano.
I want to change it to vi or vim.
I already made vim the default editor, and use it as a substitute for gedit to open php, .txt, .c and .h files,...
1
vote
2answers
2k views
Auto-starting a GUI application that requires sudo
Question:
I need to auto-start a GUI application that requires sudo.
I know I need to edit the sudoers file with:
sudo visudo
However, I don't know what to write in the file.
What I already tried:...
