Fedora Users — Re: Sudo from scripts

On 11/08/2008 10:43 AM, Todd Zullinger wrote:

Jerry Feldman wrote:

Over the years I have used sudo from some of my scripts (RHEL 3 and
4,  SuSE (5-11), but I found in Fedora 9 (and CentOS 5.2) that sudo
will fail:

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

In this particular case it was run on a CentOS 5.2 system, but I had
the same issue with Fedora 9. In both cases the user account was set
to NOPASSWD. Actually, on my home system it was my nightly backup

script I run from my crontab.

There are certainly some easy workarounds, such as running these
scripts from root's cron (cron.daily, cron.weekly, ...), or writing

my own sudo command (which I've done before Sudo arrived).

Is there now a setting where I can run sudo non-interactively, or is

this a new security restriction.


It is, as mentioned in /etc/sudoers:

#
# Disable "ssh hostname sudo <cmd>", because it will show the password
# in clear.
#         You have to run "ssh -t hostname sudo <cmd>".
#
Defaults    requiretty

I don't know if there's a good way to run things via cron and convince
sudo that you have a tty.  If not, you might just comment out the
requiretty setting.

Thanks.

--
Jerry Feldman <gaf@xxxxxxx>
Boston Linux and Unix
PGP key id: 537C5846
PGP Key fingerprint: 3D1B 8377 A3C0 A5F2 ECBB  CA3B 4607 4319 537C 5846

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