[PLUG] No Tuesday Advanced Topics

[Michael Dexter]

Hello all,

Sorry for the late non-announcement.

I do not officially have access to Free Geek yet and will not be able to 
host an Advanced Topics meeting this month.

All the best,

Michael Dexter
PLUG Volunteer
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Re: [PLUG] Other options besides VNC (or RDP)

[Chuck Hast]

I use a Microtik router, but I have moved the DHCP and DNS  to an RPi 3. It
works well. I am on Hughesnet which totally sucks, if you get stuck on it
turn
off the stinking "web accelerator" it is really a proxy and uses their DNS
which
could not find the address at times if it was at the front door. As soon as
I get
a good job, we are going to move to somewhere that we can get proper net-
work access.

Like I said earlier I use VNC to get into an RPi that I run Chip on, so I
can do
changes to my HT. I carry a little "mobile router" with me. I turn it on
and let the
tablet and RPi start talking, then I set up a VNC to the RPi program my
radio
and get out or leave it there and play around with things.

On Mon, Feb 20, 2017 at 5:10 PM, Roderick Anderson 
wrote:

> Thnaks for the insight Chuck.
>
> My first plan was to use VNC but I did want to check other options.
>
> Reading this I realized a router in the mix might be better than running
> a DHCP server on the RPi.  Which router do you use?
> With a quick search it looks like the TP-Link N150 or the newer N300
> would be good choices.
>
>
> Rod
> --
> On 02/18/2017 04:37 PM, Chuck Hast wrote:
> > I guess I am being a bit dense here, but I do not see a reason not to use
> > VNC
> > for controlling a rig under RPi control. I used to get into my RPi's all
> > the time
> > from some variant of VNC on a phone/tablet/laptop/desktop choose your OS
> > poison... I use (been a while) Chirp on a RPi to control a Icom
> handheld, I
> > run
> > it headless and use a tablet to VNC into the thing and program the
> radio. I
> > just
> > turn on the RPi, as soon as I see the network ligth start flashing in a
> > certain way
> > I know it is talking to my little ittybitty pocket router. I pull up the
> > tablet ping it, if
> > it pings, I VNC into it and fire up Chirp then mod the radio shut it down
> > and I am
> > done.  I think that is about the only thing I use VNC for, the rest of it
> > is all term-
> > inal sessions or I have a UI on the screen in front of me.
> >
> > On Sat, Feb 18, 2017 at 1:10 PM, Roderick Anderson  >
> > wrote:
> >
> >> Thanks to everyone for the suggestions and ideas.
> >>
> >> I'll be looking into them.
> >>
> >> To expand on the why:
> >>
> >> I am looking at a Raspberry Pi running headless to connect to my Yaesu
> >> FT-857D and Signalink USB.  Then use a phone, tablet or laptop as the
> >> terminal.  This way I don't have to dedicate my netbook, laptop, tablet
> >> or phone.  There would also be the option to connect a display, keyboard
> >> and mouse or some combination of them to the Pi.
> >>
> >> Again thanks for the replies.
> >>
> >>
> >> Rod
> >> --
> >> On 02/17/2017 05:16 PM, Roderick Anderson wrote:
> >>> I'm looking for any other options to remote into a graphical desktop
> >>> besides VNC or RDP.
> >>>
> >>> I'd like a client that runs on Linux and Android with MAC and Windows a
> >>> bonus.  Server should run on Linux with Android, MAC and Windows as
> >>> another bonus.
> >>>
> >>> I remember coming across something, while searching for something
> >>> compeletely different, but the name now eludes me.  Must be a case of
> >>> CRS. :-(
> >>>
> >>>
> >>> TIA,
> >>> Rod
> >> ___
> >> PLUG mailing list
> >> PLUG@lists.pdxlinux.org
> >> http://lists.pdxlinux.org/mailman/listinfo/plug
> >>
> >
> >
> >
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>



-- 

Chuck Hast  -- KP4DJT --
Glass, five thousand years of history and getting better.
The only container material that the USDA gives blanket approval on.
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Re: [PLUG] Other options besides VNC (or RDP)

[Roderick Anderson]

Thnaks for the insight Chuck.

My first plan was to use VNC but I did want to check other options.

Reading this I realized a router in the mix might be better than running 
a DHCP server on the RPi.  Which router do you use?
With a quick search it looks like the TP-Link N150 or the newer N300 
would be good choices.


Rod
-- 
On 02/18/2017 04:37 PM, Chuck Hast wrote:
> I guess I am being a bit dense here, but I do not see a reason not to use
> VNC
> for controlling a rig under RPi control. I used to get into my RPi's all
> the time
> from some variant of VNC on a phone/tablet/laptop/desktop choose your OS
> poison... I use (been a while) Chirp on a RPi to control a Icom handheld, I
> run
> it headless and use a tablet to VNC into the thing and program the radio. I
> just
> turn on the RPi, as soon as I see the network ligth start flashing in a
> certain way
> I know it is talking to my little ittybitty pocket router. I pull up the
> tablet ping it, if
> it pings, I VNC into it and fire up Chirp then mod the radio shut it down
> and I am
> done.  I think that is about the only thing I use VNC for, the rest of it
> is all term-
> inal sessions or I have a UI on the screen in front of me.
>
> On Sat, Feb 18, 2017 at 1:10 PM, Roderick Anderson 
> wrote:
>
>> Thanks to everyone for the suggestions and ideas.
>>
>> I'll be looking into them.
>>
>> To expand on the why:
>>
>> I am looking at a Raspberry Pi running headless to connect to my Yaesu
>> FT-857D and Signalink USB.  Then use a phone, tablet or laptop as the
>> terminal.  This way I don't have to dedicate my netbook, laptop, tablet
>> or phone.  There would also be the option to connect a display, keyboard
>> and mouse or some combination of them to the Pi.
>>
>> Again thanks for the replies.
>>
>>
>> Rod
>> --
>> On 02/17/2017 05:16 PM, Roderick Anderson wrote:
>>> I'm looking for any other options to remote into a graphical desktop
>>> besides VNC or RDP.
>>>
>>> I'd like a client that runs on Linux and Android with MAC and Windows a
>>> bonus.  Server should run on Linux with Android, MAC and Windows as
>>> another bonus.
>>>
>>> I remember coming across something, while searching for something
>>> compeletely different, but the name now eludes me.  Must be a case of
>>> CRS. :-(
>>>
>>>
>>> TIA,
>>> Rod
>> ___
>> PLUG mailing list
>> PLUG@lists.pdxlinux.org
>> http://lists.pdxlinux.org/mailman/listinfo/plug
>>
>
>
>
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Re: [PLUG] Resolved: "Unable to locate printer"

[Dick Steffens]

On 02/20/2017 12:21 PM, Galen Seitz wrote:

> On my CentOS 6 machine, cups defaults to 'stop on error', which may be
> why you had to do a resume.  I recently dug into the printer options and
> changed this to something like 'retry on error'.  You may want to do the
> same.

Thanks. I'll look for that.

-- 
Regards,

Dick Steffens

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Re: [PLUG] Resolved: "Unable to locate printer"

[Galen Seitz]

On 02/20/17 11:46, Dick Steffens wrote:
> On 02/20/2017 11:24 AM, Rich Shepard wrote:
>> On Mon, 20 Feb 2017, Dick Steffens wrote:
>>
>>> Any ideas on what I need to do to fix this?
>> Dick,
>>
>> Two things: First, in the CUPS admin page under either maintenance or
>> administration look for an option to restart the printer. If that's not
>> present or resolving the problem proceed to the more involved fix.
> 
> I didn't find exactly what you described, but I did find:
> 
> On the page for the printer, under the Maintenance drop down list, 
> "Pause Printer"
> After pausing the printer that option changed to "Resume Printer"
> 
> Things are now back to normal.

On my CentOS 6 machine, cups defaults to 'stop on error', which may be
why you had to do a resume.  I recently dug into the printer options and
changed this to something like 'retry on error'.  You may want to do the
same.

galen
-- 
Galen Seitz
gal...@seitzassoc.com
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Re: [PLUG] Resolved: "Unable to locate printer"

[Rich Shepard]

On Mon, 20 Feb 2017, Dick Steffens wrote:

> I didn't find exactly what you described, but I did find:

Dick,

   That's because I was working from memory well past its best-use-by date.

> Things are now back to normal.

   Good.

Happy Longago Presidents' day,

Rich
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[PLUG] Resolved: "Unable to locate printer"

[Dick Steffens]

On 02/20/2017 11:24 AM, Rich Shepard wrote:
> On Mon, 20 Feb 2017, Dick Steffens wrote:
>
>> Any ideas on what I need to do to fix this?
> Dick,
>
> Two things: First, in the CUPS admin page under either maintenance or
> administration look for an option to restart the printer. If that's not
> present or resolving the problem proceed to the more involved fix.

I didn't find exactly what you described, but I did find:

On the page for the printer, under the Maintenance drop down list, 
"Pause Printer"
After pausing the printer that option changed to "Resume Printer"

Things are now back to normal.

Thanks!

-- 
Regards,

Dick Steffens

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Re: [PLUG] "Unable to locate printer"

[Rich Shepard]

On Mon, 20 Feb 2017, Dick Steffens wrote:

> Any ideas on what I need to do to fix this?

Dick,

   Two things: First, in the CUPS admin page under either maintenance or
administration look for an option to restart the printer. If that's not
present or resolving the problem proceed to the more involved fix.

   Second, delete the printer and re-add it. Copy the parameters if need be
before deleting the definition. I've needed to do this a few times over the
years and it always results in a working printer that CUPS recognizes.

Good luck,

Rich
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[PLUG] "Unable to locate printer"

[Dick Steffens]

I have a Brother MFC-7820N printer (network) installed on my Ubuntu 14 
machine with CUPS. It used to work. It works from my wife's Win7 
machine. I can see it in the CUPS Printers page with a status of: Idle - 
"Unable to locate printer."

Any ideas on what I need to do to fix this?

In the meantime, I can copy files to my wife's machine and print from 
there, but that's a nuisance.

-- 
Regards,

Dick Steffens

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Re: [PLUG] "Installing" the Debian installer - How?

[Bill Barry]

On Feb 20, 2017 5:29 AM, "Richard Owlett"  wrote:

An underlying and/or related question:
Explanation of the "whys" of the "whats" occurring when Linux is
"installed".


_The Background of My Question_
Historically I've been interested in optimizing a minimal Debian install.
My method has been repeated clean installs, sometimes multiple installs in
one
day. I've made enough progress that use of preseed.cfg files improves the
mechanics if the installation process.

Some have questioned why I do this. I've found it a productive learning
experience. I attempt things the normal user wouldn't. My failures force me
to
ask questions.

_The Immediate Problem_
I've become annoyed with the physical mechanics of installing from a DVD
*or* a
flash drive. The installer should be in/on its own partition of the hard
disk
and recognizable to GRUB2.

The closest approximation to an acceptable solution I've found is described
at
https://help.ubuntu.com/community/Grub2/ISOBoot and related pages.

That page is unsatisfactory in at least two ways:
1. It is unclear what is Ubuntu specific and what applies to Linux
generally.
2. Loop mounting an image of the installation CD/DVD obscures what's
happening.
[An underlying goal *IS* understanding how Linux works.]

That the loop mounted installer can be launched by GRUB2 indicates that the
image has everything needed. That a LIVE CD can also launch the installer
suggests that what I want is possible.

The only hint I've had of what needs to be done comes from observing the
output
of update-grub reporting:
Generating grub configuration file ...
Found background image: /usr/share/images/desktop-base/desktop-grub.png
Found linux image: /boot/vmlinuz-3.16.0-4-686-pae
Found initrd image: /boot/initrd.img-3.16.0-4-686-pae
done

Have not been able to correctly apply that hint.

What should I be reading?
Is there something simple I've missed?
Thank you.


How about reading the source code of the installer. That should provide
some definitive  answers to all the above questions.

Bill
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[PLUG] "Installing" the Debian installer - How?

[Richard Owlett]

An underlying and/or related question:
Explanation of the "whys" of the "whats" occurring when Linux is "installed".


_The Background of My Question_
Historically I've been interested in optimizing a minimal Debian install.
My method has been repeated clean installs, sometimes multiple installs in one 
day. I've made enough progress that use of preseed.cfg files improves the 
mechanics if the installation process.

Some have questioned why I do this. I've found it a productive learning 
experience. I attempt things the normal user wouldn't. My failures force me to 
ask questions.

_The Immediate Problem_
I've become annoyed with the physical mechanics of installing from a DVD *or* a 
flash drive. The installer should be in/on its own partition of the hard disk 
and recognizable to GRUB2.

The closest approximation to an acceptable solution I've found is described at 
https://help.ubuntu.com/community/Grub2/ISOBoot and related pages.

That page is unsatisfactory in at least two ways:
1. It is unclear what is Ubuntu specific and what applies to Linux generally.
2. Loop mounting an image of the installation CD/DVD obscures what's happening.
[An underlying goal *IS* understanding how Linux works.]

That the loop mounted installer can be launched by GRUB2 indicates that the 
image has everything needed. That a LIVE CD can also launch the installer 
suggests that what I want is possible.

The only hint I've had of what needs to be done comes from observing the output 
of update-grub reporting:
Generating grub configuration file ...
Found background image: /usr/share/images/desktop-base/desktop-grub.png
Found linux image: /boot/vmlinuz-3.16.0-4-686-pae
Found initrd image: /boot/initrd.img-3.16.0-4-686-pae
done

Have not been able to correctly apply that hint.

What should I be reading?
Is there something simple I've missed?
Thank you.


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