<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"></head><body >Thanks for the tip Gordon, but even after enlarging the partition I didn't leave a massive amount of free space. So doing a cat /dev/zero didn't save much space in the compressed image. I therefore decided to leave the original tested image on drop box. <div><br></div><div>Thanks anyway, <br><div><br></div><div>Malcolm </div></div><br><br><br>-------- Original message --------<br>From: Gordon Henderson <gordon+lug@drogon.net> <br>Date: 06/12/2013 20:58 (GMT+00:00) <br>To: Exeter LUG Mailing List <exeter@mailman.lug.org.uk> <br>Subject: Re: [ExeterLUG] Raspberry Pi Cluster Image <br> <br><br>On Fri, 6 Dec 2013, M Dinsmore wrote:<br><br>> Hi All,<br>><br>> Apologies it has taken so long to get this SD card image up online, it's <br>> turned out to be a busy couple of weeks for me so it took longer to get <br>> the image sorted and tested. I originally said the image would be <br>> 200mb, however I realised that the amount of free space in the image was <br>> quite small and enlarged the partition on my sd card and the resultant <br>> image is ~500Mb compressed and I didn't want to delay it any longer to <br>> investigate the reason - sorry if you're not on an unlimited broadband <br>> plan. <br><br>If you're producing a DD'able image, then one way to reduce space (if <br>you've not already done something like this) is to fill the SD card up <br>with zeros before compressing it:<br><br> dd if=/dev/zero of=/var/tmp/xxx bs=1M<br> rm /var/tmp/xxx<br><br>then do the dd, gzip, etc.<br><br>Gordon<br>_______________________________________________<br>Exeter mailing list<br>Exeter@mailman.lug.org.uk<br>https://mailman.lug.org.uk/mailman/listinfo/exeter<br></body>