sudo: no tty present and no askpass program specified

 
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Operating Systems Linux Red Hat sudo: no tty present and no askpass program specified
# 1  
Old 07-20-2012
sudo: no tty present and no askpass program specified

i am trying overide the below error

Code:
sudo: sorry, you must have a tty to run sudo

i am aware of ssh -t option. But just experimenting with OS Smilie

So, tried commenting out
Code:
 Defaults requiretty

from my sudoers file after which i am getting the below error

Code:
sudo: no tty present and no askpass program specified
Sorry, try again.
sudo: no tty present and no askpass program specified
Sorry, try again.
sudo: no tty present and no askpass program specified
Sorry, try again.
sudo: 3 incorrect password attempts

can some explain me please which parameter in sudoers file causes this and how to fix this ?
# 2  
Old 08-15-2012
Don't comment the line.

Put in a negate character so it looks like so;
Code:
Defaults       !requiretty

# 3  
Old 08-16-2012
tried negating it .. now again this error
Code:
sudo: no tty present and no askpass program specified
Sorry, try again.

# 4  
Old 08-16-2012
It's trying to ask for a password and can't, since you have no terminal. The way to fix that is to remove the password requirement for that sudo entry, not remove the TTY requirement.

Be very very specific about it, though. Only allow a specific user to do specific things passwordless.
This User Gave Thanks to Corona688 For This Post:
# 5  
Old 08-16-2012
Thanks Corona.. i get it Smilie
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