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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 02-21-2010
sudo: no tty present and no askpass program specified
Hi Gurus:

Can you help me get out of this message ?

I already commented out the ff line in /etc/sudoers file but still prompts me for this message.

Code:
#Defaults requiretty

-sh-3.2$ ./check_diskErrors itag3.pm.staging.intra /dev/sda
sudo: no tty present and no askpass program specified
sudo: no tty present and no askpass program specified
sudo: no tty present and no askpass program specified
sudo: no tty present and no askpass program specified

I'm using FC 11 for the client and FC8 for the source connecting to client.

Any idea on this ?
Last edited by pludi; 02-22-2010 at 02:52 AM.. Reason: code tags, please...
# 2  
Old 02-22-2010
sudo will only run a program as a different user if one of these 3 conditions has been met (as far as passwords are concerned):
  1. the NOPASSWD option is specified
  2. the user entered the correct target password
  3. the user entered the correct source password
Since options 2 and 3 require a TTY (sudo won't read from a pipe) it won't run if it can't find one. Check your script if at any point you're running a script remotely using ssh, as it's possible that it won't allocate a TTY for a non-interactive remote command.
# 3  
Old 03-15-2010
hi pludi,

Yes, im running ssh remotely on my script and I specify the NOPASSWD command

Code:
nagios ALL=NOPASSWD: /usr/sbin/smartctl

I can login automatically to my destination server using nagios. The problem is it won't allocate a TTY for a non-interactive remote command.
Last edited by linuxgeek; 03-15-2010 at 04:52 AM..
# 4  
Old 03-15-2010
Code:
 ssh -t

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