Questions tagged [visudo]
visudo edits the sudoers file in a safe fashion
80
questions
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how to give root access to already existing user when sudo is not working in OS?
sir,
-I deleted my user account by using sudo command.
-I lost my data. after that i created new user with same user name by clicking ctr+Alt+f3,
-I got my files back but i don't have root access
-...
0
votes
1
answer
41
views
I accidently removed visudo from /usr/sbin/ How do I recover it?
I was trying to install cypress in wsl.
While I was following the official documentation of cypress to install in wsl, I accidently removed the visudo from /usr/sbin/
Without it I cannot install and ...
- 43
0
votes
0
answers
40
views
Visudo NOPASSWD not working on specific file
I'm trying to exclude one script I wrote from asking the password when executed, even if it contains a "sudo" command
so i've edited sudoers through visudo adding
myuser ALL=(ALL) NOPASSWD: ...
2
votes
1
answer
963
views
`sudo visudo /etc/hosts` gives syntax errors
Really dumb question, Ubuntu 20, and I have apache2 installed, not much else.
I go sudo visudo /etc/hosts and want to add an alias "dummy.com" domain alias as a hack to point to the server ...
- 167
0
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0
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205
views
Allow a Python program run without root privileges to restart Elasticsearch
There are a few suggestions out there with clues about how this might be achieved. It seems to me that the restart command of Elasticsearch shouldn't need root privileges, at least in my use case.
...
- 168
0
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1
answer
89
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Trying to tweak my sudo configuration
so I am trying to tweak my sudo configuration(sudo visudo -f /etc/sudo.conf) but unfortunately the following errors appeared ???
/etc/sudo.conf:16:22: syntax error
Plugin sudoers_audit sudoers.so ...
- 47
-5
votes
1
answer
78
views
Why Ubuntu still hasnt fixed deleted passwords issue?
So after 6 years this question was posted I still ran into same issue. I did the followoing :
myusername ALL=(ALL) NOPASSWD:ALL
And it was going fine for some time so if I am installing any software ...
0
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1
answer
43
views
visudo don't apply modifications
i'm on ubuntu server
I'm trying to use a command
sudo /usr/binsystemctl start myscript.service
Without password. i want this command execute without ask password.
I used
sudo visudo
and writed :
...
- 1
0
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0
answers
58
views
Ubuntu 21.04 Broke Passwordless SSH Shutdown
I recently had passwordless SSH shutdown and reboot working on Ubuntu 20.04, but after upgrading to Ubuntu 21.04 it no longer works.
I have key based authentication set up correctly, and can ssh into ...
- 1
1
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0
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48
views
Allowing a sudo command to run without needing password [duplicate]
I have the following command:
sudo service cron start
When I type it into the terminal, it asks me for a password, just as it should.
But I need for users (or if all users aren't possible, then at ...
- 776
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73
views
Giving user privileges to setup can bus
I would like to give a user the rights to be able to create a virtual can bus without having to be sudo. The command I want to execute is ip link add dev vcan0 type vcan
For this I have used sudo ...
- 101
0
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1
answer
263
views
How to give passwordless sudo through automated script
Anyone who has used Multipass or AWS is familiar with the ubuntu user who has passwordless sudo access. I am launching multiple virtual machines via multipass each with many users and I want ...
0
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1
answer
97
views
How to bypass sudo password for everything inside a script?
I have a PADD setup on my Raspberry Pi 3 running on Ubuntu Server 20.04.
I can successfully bypassed sudo password authentication by adding:
pihole_display ALL=(ALL) NOPASSWD:ALL
But when I try to ...
- 605
4
votes
1
answer
220
views
user not in sudo group but can perform sudo operations
Is this normal behaviour when I put a user student in sudoers file using visudo command like this :
visudo
student ALL = NOPASSWD: ALL
And he is not in sudo group but can still perform sudo ...
- 333
0
votes
1
answer
57
views
Configure sudo for UserA to run commands as UserB (not root)
I have some automated tools that need to be able to run as a specific user. The username is "ig_root" and it is only used by a monitoring tool (checks disk space, database, CPU workload, etc)...
- 350
0
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2
answers
1k
views
Give root permissions to new user
I have created a "normal" user with sudo privileges, lets say newuser. I created with the GUI Users and Groups and created as administrator. If i want to install a new program or whatever ...
1
vote
1
answer
132
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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 ...
- 11
1
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1
answer
628
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.
...
- 41
2
votes
1
answer
483
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 ...
- 445
0
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1
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283
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
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1
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422
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 ...
- 333
1
vote
1
answer
531
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 ...
- 13
1
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0
answers
184
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/...
- 13
0
votes
1
answer
532
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
1
answer
508
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
2
answers
696
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
1
answer
1k
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 ...
- 121
2
votes
4
answers
6k
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 ...
- 243
1
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1
answer
317
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 ...
- 125
2
votes
2
answers
4k
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 ...
- 141
1
vote
1
answer
460
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 ...
- 11
1
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0
answers
261
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 ...
- 67
3
votes
1
answer
21k
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 ...
- 63
0
votes
1
answer
66
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
1
answer
722
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 ...
- 101
0
votes
0
answers
370
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 ...
- 615
0
votes
0
answers
312
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/...
- 204
0
votes
0
answers
701
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
...
- 231
0
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1
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384
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
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0
answers
1k
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 ...
- 253
3
votes
2
answers
7k
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:...
- 41
1
vote
1
answer
3k
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 ...
- 177
4
votes
2
answers
771
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 ...
- 749
1
vote
1
answer
518
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-...
- 403
2
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1
answer
5k
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 ...
- 3,637
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1
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268
views
17
votes
1
answer
3k
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 ...
user323419
1
vote
2
answers
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 ...
- 143
0
votes
1
answer
7k
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, ...
- 21
1
vote
0
answers
929
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:
:~...
- 111