Re: [PLUG] associate *.PLT files with lpr?

[Tomas Kuchta]

Speaking of doing things automagically on a file event.

One could put the files to the same directory every time, and setup a
trigger on the directory change event. There would be no real delay that
way and as soon as a file shows up, it could be sent to a printer.

If you are interested in that, search for: monitoring files directories by
incron.

Tomas

On Nov 10, 2017 10:26 PM, "Russell Senior" 
wrote:

> Rather than clicking on it, you could set up a cronjob (or similar)
> that sends everything it finds in the particular directory you "print"
> it to, and automatically sends it to the printer and then deletes it.
> That would make it kind of automatic, if adding a little latency.
>
>
> Russell
>
> On Fri, Nov 10, 2017 at 3:32 PM, Denis Heidtmann
>  wrote:
> > Figured it out.  I needed to add %U to the exec line in the .desktop
> file.
> >
> > Where is there a list of the various command line options (such as this
> %U)?
> >
> > Thanks,
> > -Denis
> >
> > On Fri, Nov 10, 2017 at 3:14 PM, Denis Heidtmann <
> denis.heidtm...@gmail.com>
> > wrote:
> >
> >> I would like to be able to double-click on a .PLT file to have lpr
> launch
> >> with the file as the argument.
> >>
> >> I have created a *.desktop file, made it executable, and placed it in
> >> ~/.local/share/applications.  It shows up in Dash.  But it does not
> show as
> >> an application that I can associate with a file.
> >>
> >> Am I going in the right direction?
> >>
> >> Thanks,
> >> -Denis
> >>
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Re: [PLUG] associate *.PLT files with lpr?

[Russell Senior]

Rather than clicking on it, you could set up a cronjob (or similar)
that sends everything it finds in the particular directory you "print"
it to, and automatically sends it to the printer and then deletes it.
That would make it kind of automatic, if adding a little latency.


Russell

On Fri, Nov 10, 2017 at 3:32 PM, Denis Heidtmann
 wrote:
> Figured it out.  I needed to add %U to the exec line in the .desktop file.
>
> Where is there a list of the various command line options (such as this %U)?
>
> Thanks,
> -Denis
>
> On Fri, Nov 10, 2017 at 3:14 PM, Denis Heidtmann 
> wrote:
>
>> I would like to be able to double-click on a .PLT file to have lpr launch
>> with the file as the argument.
>>
>> I have created a *.desktop file, made it executable, and placed it in
>> ~/.local/share/applications.  It shows up in Dash.  But it does not show as
>> an application that I can associate with a file.
>>
>> Am I going in the right direction?
>>
>> Thanks,
>> -Denis
>>
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Re: [PLUG] associate *.PLT files with lpr?

[Rich Shepard]

On Fri, 10 Nov 2017, Denis Heidtmann wrote:


The *.PLT file is created by a print-to-a-file setup in Windows 2000 in VB.


  Okay. I know nothing about Windows so that explains why I asked.

Thanks for answering,

Rich
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Re: [PLUG] associate *.PLT files with lpr?

[Denis Heidtmann]

Figured it out.  I needed to add %U to the exec line in the .desktop file.

Where is there a list of the various command line options (such as this %U)?

Thanks,
-Denis

On Fri, Nov 10, 2017 at 3:14 PM, Denis Heidtmann 
wrote:

> I would like to be able to double-click on a .PLT file to have lpr launch
> with the file as the argument.
>
> I have created a *.desktop file, made it executable, and placed it in
> ~/.local/share/applications.  It shows up in Dash.  But it does not show as
> an application that I can associate with a file.
>
> Am I going in the right direction?
>
> Thanks,
> -Denis
>
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Re: [PLUG] associate *.PLT files with lpr?

[Rich Shepard]

On Fri, 10 Nov 2017, Denis Heidtmann wrote:


I would like to be able to double-click on a .PLT file to have lpr launch
with the file as the argument.


Denis,

  I've not closely followed this thread so my questions might have been
answered. What application you use produces a .plt output file? Doesn't the
application itself have a print function?

  When I looked on the web for information on the file format I learned that
it's produced primarily by TecPlot, a commercial vendor of 2D and 3D
visualization software for power grid and reservior models.


I have created a *.desktop file, made it executable, and placed it in
~/.local/share/applications. It shows up in Dash. But it does not show as
an application that I can associate with a file.


  Admiting to be biased toward the command line, I wonder why providing the
filename as an argument to lpr is not working for you. Or, if you have an
application that allows you to view the .plt file on screen, doesn't it
allow you to print it, too?

Curious mind,

Rich

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[PLUG] associate *.PLT files with lpr?

[Denis Heidtmann]

I would like to be able to double-click on a .PLT file to have lpr launch
with the file as the argument.

I have created a *.desktop file, made it executable, and placed it in
~/.local/share/applications.  It shows up in Dash.  But it does not show as
an application that I can associate with a file.

Am I going in the right direction?

Thanks,
-Denis
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Re: [PLUG] Laptop batteries

[Keith Lofstrom]

On Fri, Nov 10, 2017 at 10:45:11AM -0800, John Meissen wrote:

> Long story short, I bought a battery for $17.50, including shipping, from
> "YHR store" (https://www.aliexpress.com/store/2782025). Shipped from a 
> warehouse in the US.
> 
> So far it hasn't burst into flames. ;-) It identifies itself as a Sony 
> battery, 
> but I have no way of knowing if that's true.

Weigh it - how does it compare to the original?

Take it through a full discharge cycle and see how much
charge it holds; a typical trick by shady companies is to
use smaller or fewer cells.  It is VERY unlikely that Sony
sells cheap batteries through "YHR store", which must be
at a little shady, since they probably counterfeited or
stole the ID chip.

And if the battery catches fire on an airplane and melts
a hole through the fuselage, you must buy the airline a
new plane ... if you survive. :-)

Seriously, we should do some testing, review collecting,
and xray imaging and learn where the various knockoff
battery companies land on the good-to-garbage spectrum,
and buy from the good ones ... if any.

In a plug post a few years ago, I wrote about rebuilding
laptop batteries with new cells.  I learned that TSA takes
a Very Dim View of user-rebuilt batteries (which can hide
a deadly amount of explosive) and will prosecute amateur
rebuilders.  Sigh.  We can wish for a TSA-certified laptop
battery rebuild company, but we should wish for a nation
of ambitious hardware entrepreneurs first.  

Keith

-- 
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Re: [PLUG] Laptop batteries

[Mark Heimstaedt]

Message: 5
Date: Fri, 10 Nov 2017 11:07:40 -0800 (PST)
From: Rich Shepard 
To: Portland Linux/Unix Group 
Subject: Re: [PLUG] Laptop batteries
Message-ID: 
Content-Type: text/plain; charset=US-ASCII; format=flowed

On Fri, 10 Nov 2017, John Meissen wrote:

> Reputable places like BatteriesPlus want $90 for a new replacement. But my
> searching eventually led me to aliexpress.com.

   Expressing my opinion here. I buy all my batteries, from cell phone and
UPS to diesel pickup truck from Northwest Battery Supply at SE 37th and
Belmont. I could save money by buying on line, but will gladly pay more to
support local businesses. We need the variety and expertise that local
vendors offer. That's why I buy from the above, Parkrose Hardware, and
others.

   Look at what Walmart did to local grocery stores. We lost a very high
quality Thriftway here in Troutdale when Walmart opened in Wood Village. We
all make choices based on our preferences, and mine is to support local
vendors of all types whenever possible.

Rich
===
I confirm Rich's perspective on local vendors.
However ...
I have a ca. 2011 Asus Eee 1015px 10 inch that travels really well. The
original 10-hr battery has died.
BatteriesPlus by me wanted $155 for a replacement battery.  The entire
computer was 200$ new, 6 yrs ago.

I'd gladly pay a premium to support my neighbors, but no one likes to be
gauged.
-- 
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Re: [PLUG] Laptop batteries

[John Meissen]

rshep...@appl-ecosys.com said:
>Expressing my opinion here. I buy all my batteries, from cell phone and UPS
> to diesel pickup truck from Northwest Battery Supply at SE 37th and Belmont. I
> could save money by buying on line, but will gladly pay more to support local
> businesses. We need the variety and expertise that local vendors offer. That's
> why I buy from the above, Parkrose Hardware, and others.

Agreed. I make a point of buying all of my car and motorcycle batteries from a 
local small business (and I've bought a lot of them over the years). For things 
like laptop and UPS batteries I usually go to BatteriesPlus down the street, 
mostly because I don't know anywhere else near here on the west side that deals 
with them.

But this is a special circumstance, basically what would otherwise be a 
throw-away piece of hardware that's not worth spending that kind of money on. 
(I didn't talk about how I had to rebuild the case with J-B Weld and Super Glue
to deal with a broken hinge). If I can extend it's usefulness for under $20
that's a good thing.

Otherwise I'd rather just spend a little more and get a brand new Lenovo with
full warranty, a core-i7, 12G RAM and 1TB hard drive from Costco for $450.

I wasn't recommending this as a general source, but if you're on a really tight 
budget and willing to take on some risk it might be worth considering.

john-


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Re: [PLUG] Laptop boots with Ethernet ports ipv6

[Rich Shepard]

On Fri, 10 Nov 2017, Tomas Kuchta wrote:


Mostly likely because your router address is 192.168.1.1 so the laptop
cannot have the same address. Pick different between 2-250.


Tomas,

  On that subnet the laptop is assigned 192.168.1.4

Rich
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Re: [PLUG] Backup MX server

[Rich Shepard]

On Fri, 10 Nov 2017, Jason Bergstrom wrote:


The two reasons this isn't a standard offering are that policies for
filtering mail differ widely. If a secondary accepts all mail for your
primary, then your primary returns and now refuses mail the secondary has
to bounce it (if they don't accept it in the first place their policy has
to agree with your filtering policy).

The second reason is that sending servers will queue mail for a period of
time, often 3-7 days, lists may have a shorter policy. If your receiving
server is down longer then 3 days, you probably should not run your own
mail server.


Jason,

  Thanks for explaining. The longest outage I've had here has been about 24
hours in the February 1996 ice storm.

  So, I'll withdraw my request.

Regards,

Rich
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Re: [PLUG] Backup MX server

[John Meissen]

daf...@dafydd.com said:
> Something I've thought about for when I have my domain host back under my
> direct control is acting as a backup MX for friends (and at least one of them
> returning the favor). My idea is to act as a spooler until the Primary MX is
> back. I haven't seen much documentation out there about a mail server that
> just spools messages until the primary MX is back on line, though. 

Been there, done that. Eventually decided it wasn't worth the hassle.

Mail hosts SHOULD be configured to retry for some set period of time before 
giving up, In the past that used to be 5 days. Unless your server is going to 
be offline for longer than that there's no difference between spooling on a 
backup server and just waiting for the sender to retry once you come back 
online.

And you've added unnecessary complexity, especially if you're doing host-based 
spam blocking on your mail server.

It's really only useful if you need redundancy in case the server hardware 
fails but the rest of your network is still up and running.

john-


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Re: [PLUG] Backup MX server

[Jason Bergstrom]

On Fri, Nov 10, 2017 at 10:35:54AM -0800, Rich Shepard wrote:
> David,
> 
>I've no idea how this works. When Aracnet/SpiritOne was a working ISP I
> set a higer MX number for their mail server (white.spiritone.com). Now that
> I've escaped their clutches I'd like a new backup.
> 
>When you learn how functioning as a backup MX works please share with us.
> No reason why any of us could not return the favor.
> 
> Rich
>

The two reasons this isn't a standard offering are that policies
for filtering mail differ widely. If a secondary accepts all mail
for your primary, then your primary returns and now refuses mail
the secondary has to bounce it (if they don't accept it in the
first place their policy has to agree with your filtering policy).

The second reason is that sending servers will queue mail for
a period of time, often 3-7 days, lists may have a shorter policy.
If your receiving server is down longer then 3 days, you probably
should not run your own mail server.

Jason,
ber...@bergie.net
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[PLUG] Laptop batteries

[John Meissen]

I was resurrecting my daughter's old Lenovo college laptop (G530 from circa 
2010) for use when working on projects in my garage - I often need to search 
for parts or research problems/procedures.

I replaced the 3GB of RAM with a new matched pair of 2GB DIMMs for $35, and 
just for kicks swapped the HD for a small SSD. But the battery was pretty shot 
and only lasted about 10 minutes. So I went looking for a replacement.

Reputable places like BatteriesPlus want $90 for a new replacement. But my 
searching eventually led me to aliexpress.com. If you've never been there you 
should check it out, it can be fun. I've bought things from there before. You 
generally just have to be aware that you're buying cheap Chinese products that 
may or may not come with English available, and in the case of things like 
tablets, webcams, etc. may not be upgradable and may contain backdoors. Most 
of the vendors are wholesalers, but will usually sell single quantities.

Long story short, I bought a battery for $17.50, including shipping, from
"YHR store" (https://www.aliexpress.com/store/2782025). Shipped from a 
warehouse in the US.

So far it hasn't burst into flames. ;-) It identifies itself as a Sony battery, 
but I have no way of knowing if that's true.

And it seems to be working fine. 

Chinese Li-Ion batteries don't have the best reputation. But I figured laptop 
batteries are old-tech and probably a pretty safe bet. Current cellphone and
similar batteries have extremely tight tolerences, but old-school laptop 
batteries are generally just AA-sized cells in a package with some control 
circuitry that should be pretty much off-the-shelf these days.

So we'll see how it goes.

john-


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Re: [PLUG] Backup MX server

[Rich Shepard]

On Fri, 10 Nov 2017, David Barr wrote:


Something I've thought about for when I have my domain host back under my
direct control is acting as a backup MX for friends (and at least one of
them returning the favor). My idea is to act as a spooler until the
Primary MX is back. I haven't seen much documentation out there about a
mail server that just spools messages until the primary MX is back on
line, though.


David,

  I've no idea how this works. When Aracnet/SpiritOne was a working ISP I
set a higer MX number for their mail server (white.spiritone.com). Now that
I've escaped their clutches I'd like a new backup.

  When you learn how functioning as a backup MX works please share with us.
No reason why any of us could not return the favor.

Rich
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Re: [PLUG] Backup MX server

[David Barr]

Following!

Something I've thought about for when I have my domain host back under my 
direct control is acting as a backup MX for friends (and at least one of them 
returning the favor). My idea is to act as a spooler until the Primary MX is 
back. I haven't seen much documentation out there about a mail server that just 
spools messages until the primary MX is back on line, though.

David

> On Nov 10, 2017, at 7:36 AM, Rich Shepard  wrote:
> 
>  I would like to add a backup MX server for the rare times my primary MX
> server here is off-line for a while. If weather predictions for the area
> turn out to be true long power outages might occur and it would be nice to
> have someone catch incoming mail until power is restored.
> 
>  Are there free services for this as there are for DNS servers?
> 
> Rich
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him over. The officer says, "Excuse me, sir, do you know how fast you
were going?"
"No," replies Dr. Heisenberg, "but I know where I am."



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Re: [PLUG] One ethernet port, two subnets

[Rich Shepard]

On Mon, 6 Nov 2017, wes wrote:


If the above doesn't work for you, we may need to learn more about your
setup. Given what you've mentioned previously on this topic, I'm going to
guess that you're trying to arrange it such that you can talk to the
Ubiquiti router both on its default subnet as well as the one the rest of
your network uses, without having to re-number your interface every time
you try to change something. This is exactly the sort of thing I used to do
when I was playing with these devices a lot.


Wes,

  Here's the setup I tried:
Laptop (IP address 192.168.55.2) -> LinkSys 4-port switch
Ubiquiti router (default IP address 192.168.1.1) -> LinkSys 4-port
switch
LinkSys switch -> LAN router (IP address 192.168.55.4)

  This won't work for configuring the replacement router because the
current router already has the IP address of 192.168.55.4. After setting
the Ubiquiti's LAN IP address to the default router address there would be
two hosts with that address. So, until the new router is completely
configured and replaces the Netgear I need to keep rebooting the laptop as I
change its IP address from one subnet to the other.

Thanks,

Rich

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Re: [PLUG] Laptop boots with Ethernet ports ipv6 [FIXED]

[Rich Shepard]

On Fri, 10 Nov 2017, Rich Shepard wrote:


I've no idea what caused this but need to learn ASAP how to get it back
to using ipv4 addressing.


  Fixed the issue by stopping/starting rc.inet1, the file that configures
network ports.

  Lesson to me: apparently restarting is not as complete as
stopping/starting. I've encountered this with other services, but not before
with this one.

  Please return to your regularly scheduled Friday activities.

Carpe weekend,

Rich
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[PLUG] Laptop boots with Ethernet ports ipv6

[Rich Shepard]

  This is a completely new issue here.

  I'm using my Dell Latitude E5410, running Slackware-14.2/x86_64 to
configure the Ubiquiti ER-X. The laptop's eth0 IP address needs to be set
to 192.168.1.1 to configure the router's WAN port. Then I need to change the
laptop's eth0 IP address to 192.168.55.2 (its LAN host address) because the
Ubiquti's LAN IP address was changed to 192.168.55.4. This swapping
back-and-forth lead to last week's thread and Wes' suggestion to have both
subnet IP addresses assigned to eth0. I did this.

  Now, however, I cannot ping LAN hosts or the Ubiquiti router. Looking at
inconfig eth0 on the laptop now shows it has an ipv6 address rather than the
expected ipv4 address. Huh? How'd this happen?

  I've no idea what caused this but need to learn ASAP how to get it back to
using ipv4 addressing.

  Never a dull moment with computers, eh?

Rich
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[PLUG] Mikrotik Router Board 2011 and SFP

[Chuck Hast]

Folks,
I have a RouterBoard 2011, it has a port for an SFP interface. I have
several
Infineon SFP SX 850nm transceivers, I plugged one into the router board the
other into a media converter and tried to establish a link to the router
board, but
no joy. I wonder if any one has used the SFP port on Mikrotik products? I
would
like make a fibre run to a machine in a noisy environment but for some
reason
I cannot get things to work.

In the past when I have used these things (SPF transceivers ) they just
seemed
to work, so not sure what is going on here.

If anyone has any ideas I am all ears.

-- 

Chuck Hast  -- KP4DJT --
I can do all things through Christ which strengtheneth me.
Ph 4:13 KJV
Todo lo puedo en Cristo que me fortalece.
Fil 4:13 RVR1960
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Re: [PLUG] Fiber connectors?

[John Jason Jordan]

On Thu, 9 Nov 2017 22:32:19 -0800
Russell Senior  dijo:

>Yeah, the "bypassing needless" part is what we did already when I was
>helping you.  The NDOOR SFU GEN3 is the netgear thingie that the fiber
>goes into, the so-called indoor ONT (optical network terminator).
>
>If you do end up finding a keystone, it will probably amount to a
>passive optical connector (i.e. precisely holding the polished ends of
>two fiber connector together).  You don't crimp these yourself, at
>least, not without a $5k fiber fuser, or a super tedious fiber
>termination kit that involves cutting, epoxying, and polishing
>absolutely flat the end of the strand.  You would need not only the
>wall plate and an optical connector, but a fiber patch cable for your
>side of the wall plate.  All of these would need to have the proper
>connector pre-attached at a factory (unless you wanted to become an
>expert fiber terminator, and, hint, you don't).
>
>On the other hand, if you do buy a fiber fuser for $5k, you can donate
>it to the Personal Telco Project after you've fused the one or two
>connections you need, and then we'll be happy to loan it back to you
>when ever you need. ;-)

OK, I guess I won't be getting a keystone jack for the fiber. I'll just
feed the fiber through an empty hole in one of the plates. But to do so
I will need to unplug it from the NDOOR SFU GEN3, thread it through the
hole, and then plug it back into the NDOOR SFU GEN3.

This morning my head is working a little better so it occurred to me
to call Adtran to see if they could help. They have a support number
and a very nice lady, with native Alabama English, took down my
question, created a ticket number and promised that one of their
support people would call me back.

And after the call to Adtran I noticed that the fiber goes into the
device in a corner that looks like it might come apart. Indeed, there
was a small screw holding it together. I removed it and discovered that
the real connector is inside, and can be pulled out easily. I unplugged
the wall wart, pulled the fiber cable out, routed it through a hole in
one of the wall plates, reconnected it, and powered it back on. There
was some light-blinking for a few moments, but eventually it all went
back to normal. My internet is working fine. I don't know why none of
this occurred to me last night. I am frequently amazed at how much more
intelligent I am in the morning.

And now that I see what the connector at the end of the cable actually
looks like I'll revisit the idea of getting a keystone jack and patch
cable. In fact, I'll just pose that question to the support person when
they call me back. Maybe Adtran even sells such accessories. 
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[PLUG] Backup MX server

[Rich Shepard]

  I would like to add a backup MX server for the rare times my primary MX
server here is off-line for a while. If weather predictions for the area
turn out to be true long power outages might occur and it would be nice to
have someone catch incoming mail until power is restored.

  Are there free services for this as there are for DNS servers?

Rich
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