Want to execute sudo command on shell startup

Question

I've put a command sudo do something in my ~/.bashrc, this works but everytime I open the terminal I have to type in my password. How do I make it so there is no password-typing?

see https://superuser.com/questions/67765/sudo-with-password-in-one-command-line — Lightsout, Dec 15 '17 at 03:35

score 11 · Answer 1 · edited Nov 18 '18 at 10:56

11

You can use the NOPASSWD attribute in the sudoers file to tell sudo not to require a password. A line like the follows in the sudoers file should let you run that command without a password:

yourlogin ALL=(ALL) NOPASSWD: command_here

To edit the sudoers file, run the command sudo visudo.

edited Nov 18 '18 at 10:56

carlin.scott

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3

answered Nov 13 '12 at 18:37

Dennis Kaarsemaker

6,854

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This operation is too risky. – Hckr Nov 13 '12 at 18:50
That depends on the command run. I assume user19192 actually knows what he's doing and wants to run this :) – Dennis Kaarsemaker Nov 13 '12 at 18:51
@Hckr I think there's no risk if you have control over your script. – Evandro Silva Nov 13 '12 at 18:53
Yes, @EvandroSilva . I thought that this operation allows all scripts to be opened as root without password.Cos, I have just seen "command_here".Sorry. – Hckr Nov 13 '12 at 19:03
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yeah, NOPASSWD: ALL is a different beast. Wouldn't recommend that. – Dennis Kaarsemaker Nov 13 '12 at 19:06
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WARNING: Do not use a regular text editor to edit the sudoers file, always use the visudo command. Because if you mess it up and save it like that, you won't be able to use sudo afterwards: http://askubuntu.com/questions/73864/how-to-modify-an-invalid-etc-sudoers-file-it-throws-an-error-and-its-not-allo – Bloke Mar 30 '17 at 08:04

Allenile · Answer 2 · 2022-10-20T14:07:12.667

0

You can edit the sudoers file with the command sudo visudo.

As seen here https://unix.stackexchange.com/questions/18830/how-to-run-a-specific-program-as-root-without-a-password-prompt?newreg=fb648518a0b0446e92cb2a685755daca

Your command that you want to authorize should be the path to it or you will get an error.

yourlogin ALL=(ALL) NOPASSWD: /path/to/my/command_here

edited Oct 20 '22 at 14:07

answered Oct 20 '22 at 14:05

Allenile

101

score 0 · Answer 3 · answered Nov 13 '12 at 18:48

0

You can edit the sudoers file by executing the following line:

sudo gedit /etc/sudoers

add the following line to the file: your_login ALL=(ALL) NOPASSWD: command

answered Nov 13 '12 at 18:48

UbuntuHusker

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NOTE: I generally don't encourage this option because the sudo function is built in to protect the user. no longer requiring a password is negating the purpose of it. However if you are confident it will not be a security problem then go ahead. – UbuntuHusker Nov 13 '12 at 18:51
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Using gedit to edit /etc/sudoers is a recipe for disaster. If you make a typo in the sudoers file you can lock yourself out of sudoing. Always use visudo to edit: export EDITOR=gedit; sudo -E visudo – mogsie Jan 22 '14 at 12:20

Want to execute sudo command on shell startup

3 Answers3