[GRASS-dev] limits of r.patch

[Margherita Di Leo]

Thank you Glynn and all,

I have gathered your inputs and written down the lesson learned here:
http://grass.osgeo.org/wiki/Large_raster_data_processing
Feel free to expand it.

Thanks,

madi

On Wed, Jul 18, 2012 at 8:24 PM, Glynn Clements <glynn at gclements.plus.com>wrote:

>
> Margherita Di Leo wrote:
>
> > If I understand it correctly, I can modify ulimit only if I have root
> > privileges, no way to do it with sudo, right?
>
> Resource limits are per-process, and inherited. The "ulimit" command
> (which is a shell built-in) changes the limits for the current shell
> process; the new limit will be inherited by any child processes.
>
> On most Linux systems, resource limits are set on login by the
> pam_limits module according to the settings contained in
> /etc/security/limits.conf /etc/security/limits.d/*.conf.
>
> You should be able to edit those files if you have root privilege via
> sudo, but you will need to log in again before any changes take
> effect.
>
> To change the limits for an existing session, you may be able to use
> something like:
>
>         sudo bash
>         ulimit ...
>         su -c bash <username>
>
> However, sudo will probably reset certain environment variables,
> particularly LD_LIBRARY_PATH, so you may need to reset those in the
> new shell.
>
> --
> Glynn Clements <glynn at gclements.plus.com>
>



-- 
Dr. Margherita Di Leo
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