Sudo from scripts

[Jerry Feldman]

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 at blu.org>
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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