[USRP-users] "sudo apt-get upgrade" on liveusb 3

Collins, Richard richard.collins at axenterprize.com
Thu Jul 23 09:42:47 EDT 2015


Yes, when deciding between the GNURadio LiveDVD image and the Ettus LiveUSB
image, I chose the Ettus version for being able to be generated for a
larger USB drive without having to mess with partition resizing and for
persistence enabled by default. I also find it agrees with my laptop's
hardware out of the box a little better than any Ubuntu version before
15.04 (i.e. either currently supported LTS).

I really just wanted to get a known good install of current UHD and
gnuradio versions that I can backup and restore quickly (dd) in case I mess
anything up or take up too much space with things that either I forgot
where I installed them or I don't know how to uninstall. (This happens

I've tried PyBOMBS once before, but I was having trouble figuring out how
to install a specific version of either gnuradio or uhd (I forget which
one)... I was at the same case where I wanted to uninstall both to get a
newer version of UHD, but it ended up installing the same one I had before
(I think I can just do a git checkout, but I don't think I read the guide
before doing this!), and was facing long repeated install and uninstall
times. I like the idea of PyBOMBS, but I'm not too familiar with it except
for using it that once.

I think I'll try PyBOMBS when I reinstall Linux next time natively on my
laptop (which should be soon-ish, and I might use Mint, not sure yet).

Thanks for the info!


On Thu, Jul 23, 2015 at 4:02 AM, Marcus Müller <usrp-users at lists.ettus.com>

>  Hi Richard,
> technically, it should work. I haven't tried it, though, so I can't really
> guarantee anything.
> It's pretty cool to update the stick, but you'll have to realize that this
> will update libraries, which were used during the build of GNU Radio and
> UHD for the image.
> Hence, you'll have to re-build these yourself, too, afterwards (and all
> applications linking against them), effectively losing the advantage of
> having a ready-to-run image.
> So: whilst probably being possible, I think that'd subvert the idea of the
> liveUSB image. Being a GNU Radio enthusiast myself, I'd like to point you
> at the GNU Radio liveSDR environment, which is effectively pretty similar
> to the Ettus liveUSB in functionality, but has been recently updated:
> https://gnuradio.org/redmine/projects/gnuradio/wiki/GNURadioLiveDVD
> Note: I'm new to a lot of this and just used to Ubuntu. Also curious.
> Curiosity is a virtue :)
> Now, you said you used Ubuntu -- have you had a look at PyBOMBS? It
> automagically builds UHD, GNU Radio etc if asked to do so:
> www.pybombs.info
> Happy hacking,
> Marcus
> On 23.07.2015 09:17, Collins, Richard via USRP-users wrote:
>   Is running sudo apt-get update and apt-get upgrade on a running Ettus
> liveusb image ok? (downloaded from <http://files.ettus.com/liveusb/3.0/>
> http://files.ettus.com/liveusb/3.0/ )  Is it advised against? I tried
> once, but it was going to take forever, and it seemed to thrash the usb
> flashdrive quite a bit. I'm currently reformatting that drive after
> physically bumping it during the upgrade (since it's now not in a working
> state and cinnamon crashes).
>  Note: I'm new to a lot of this and just used to Ubuntu. Also curious.
>  - Richard
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