[Elecraft] KUSB on Linux machine??
Dick Roth KA1OZ
raroth7 at comcast.net
Sat Jun 14 10:46:11 EDT 2008
Brendan Minish wrote:
> On Sat, 2008-06-14 at 11:14 +0100, David Woolley (E.L) wrote:
>
>>> Brendan, this was way too simple! I found that I had to execute k3util
>>> as root, otherwise it wouldn't open the ttyUSB0 port.
>> I cannot think of any good reason why this would be necessary, and as a
>> matter of policy one should reject software that shouldn't need to run
>> as root, but does actually need to. I think it is more likely that the
>> ttyUSB0 device node needs its permissions changing or accommodating to.
>
> On Centos / RHEL /Fedora
> Adding your user to the uucp group will give you access to the serial
> ports.
>
> to give your normal user access to the serial ports do the following as
> root
>
> usermod -a -G uucp <username>
>
> you can also do this with the GUI tool
> system-config-users
>
> this adds your normal user to the uucp group and gives your user access
> to the serial ports so that you can run com port applications as a user
> instead of root
>
> you may need to log your user out and back in again for this to take
> effect.
>
>
>> PS Note that Centos is a derivative, not a variant of Red Hat; Red Hat
>> would deny any responsibility for it.
>
> Having recently completed some redhat training this is true, however the
> redhat people work pretty closely with centos these days and Centos is
> not seen as a rival.
> Centos is based on the redhat Enterprise linux source code tree that
> Redhat publish under the terms of the GPL.
> Centos aims to be binary compatible with Redhat Enterprise linux
>
>> Red Hat commercialise open source
>> software by branding it and then charging for the use of the brand and
>> for support.
>
> Redhat operate within the parameters of the GPL licence and contribute a
> lot of paid for development resources to the linux codebase.
> They sell a commercially supported product, it is the support, the
> compiled binaries, Indemnity from litigation (SCO, MS etc) and branding
> that you are buying, not 'linux'
>
>> CentOs remove the Red Hat branding and bypasses the
>> support contract that encumbers commercially supplied copies of Red Hat
>> Linux.
>
> This is Something that the Centos people are perfectly entitled to do
> under the terms of the GPL. You are are also able if you so wish to
> download the entire RHEL source tree and rebuild your own binary
> compatible version
>
> 73
> Brendan EI6IZ
> RHCE 85008029731335
>
I love this list! I got pertinent lessons on the use of unix groups and
the English language. Thanks John, Brendan and David.
Now, as others are wont to say: "Let's end this thread", since I am now
on the proper path.
Thanks again to all.
ttfn &
--
73,
Dick ka1oz
Middleborough, MA
K3/100(Kit) SN 000859
Titan-DX
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