Hardware support architecture for remote Clients

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Hardware support architecture for remote Clients

by Janeks Kamerovskis-3 :: Rate this Message:

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Hi!

Sorry for probably dumb/beginner question. I read manual,
but partly by language problems and lack of experience it
was not clear to me about the hardware support for remote
clients.

Let's say we have central server where the LedgerSMB
resides and have remote clients:

How the printer jobs is sent to printer (if it is not HTML
print)?
How the card / bar code readers send their requests/posts
to the server?

Are there some software with them?
etc.?

brgds & Thanks in advance,
Janeks

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Re: Hardware support architecture for remote Clients

by Bob Miller-9 :: Rate this Message:

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>
> How the printer jobs is sent to printer (if it is not HTML
> print)?

In one case, I have installed cups on the server, and there is an lpr
command in my ledgersmb.conf:

printer    = lpr -PHPLJet

I believe you need to have at least one printer called 'printer' in the
ledgersmb.conf

In another case, the invoice is emailed as a pdf, and the ones that need
to be printed are printed from the email client on whichever local
machine.

> How the card / bar code readers send their requests/posts
> to the server?

I don't have barcode readers, so I can't answer this.  

>
> Are there some software with them?
> etc.?

Bob Miller
334-7117/633-3760
http://computerisms.ca
bob@...
Network, Internet, Server,
and Open Source Solutions


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Re: Hardware support architecture for remote Clients

by James Stevens-4 :: Rate this Message:

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All,
I'll throw my 2 cents in after the confusion I went through with
printing. Hope this advice is not outdated. (We use RH EL)

Are you using IP printing (Locally or to your remote sites/locations)?

First try and set/add the printer to the server within a GUI (Not sure
what server software your using)
This will allow you to select software drivers for the printer and
determine if a 'Driver Bundle' is needed for your particular printer.

Next, If your able to successfully install the printer(IP based or
otherwise) and print a test page,
Look at the new information created in your 'printcap' file (Usually
/etc/printcap). This is the information you need to place in
legersmb.conf


-----Original Message-----
From: Bob Miller [mailto:bob@...]
Sent: Friday, November 06, 2009 11:12 AM
To: ledger-smb-users@...
Subject: Re: [Ledger-smb-users] Hardware support architecture for remote
Clients


>
> How the printer jobs is sent to printer (if it is not HTML
> print)?

In one case, I have installed cups on the server, and there is an lpr
command in my ledgersmb.conf:

printer    = lpr -PHPLJet

I believe you need to have at least one printer called 'printer' in the
ledgersmb.conf

In another case, the invoice is emailed as a pdf, and the ones that need
to be printed are printed from the email client on whichever local
machine.

> How the card / bar code readers send their requests/posts
> to the server?

I don't have barcode readers, so I can't answer this.  

>
> Are there some software with them?
> etc.?

Bob Miller
334-7117/633-3760
http://computerisms.ca
bob@...
Network, Internet, Server,
and Open Source Solutions


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Re: Hardware support architecture for remote Clients

by Paul Wrightson :: Rate this Message:

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I also use a CUPS-based solution - my LedgerSMB install is actually an OpenVZ container on a different server. I have set up a Hamachi network (yes, I know. I am looking for something similar and GPL) between my servers and clients to allow printing between locations. The print server is Linux but using Samba so that my Windows clients can also use them directly.

Sorry, the only experience I have with bar code readers is in public libraries with a proprietary solution.

Paul

----- Original Message -----
From: sags@...
To: ledger-smb-users@...
Sent: Friday, November 6, 2009 1:48:55 AM GMT -06:00 US/Canada Central
Subject: [Ledger-smb-users] Hardware support architecture for remote Clients

Hi!

Sorry for probably dumb/beginner question. I read manual,
but partly by language problems and lack of experience it
was not clear to me about the hardware support for remote
clients.

Let's say we have central server where the LedgerSMB
resides and have remote clients:

How the printer jobs is sent to printer (if it is not HTML
print)?
How the card / bar code readers send their requests/posts
to the server?

Are there some software with them?
etc.?

brgds & Thanks in advance,
Janeks

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Re: Hardware support architecture for remote Clients

by Luke-74 :: Rate this Message:

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I am not too familiar with Hamachi, but is there some reason why OpenVPN
can not serve in this case?

Luke


On Sat, 7 Nov 2009, Paul Wrightson wrote:

> I also use a CUPS-based solution - my LedgerSMB install is actually an OpenVZ container on a different server. I have set up a Hamachi network (yes, I know. I am looking for something similar and GPL) between my servers and clients to allow printing between locations. The print server is Linux but using Samba so that my Windows clients can also use them directly.
>
> Sorry, the only experience I have with bar code readers is in public libraries with a proprietary solution.
>
> Paul
>
> ----- Original Message -----
> From: sags@...
> To: ledger-smb-users@...
> Sent: Friday, November 6, 2009 1:48:55 AM GMT -06:00 US/Canada Central
> Subject: [Ledger-smb-users] Hardware support architecture for remote Clients
>
> Hi!
>
> Sorry for probably dumb/beginner question. I read manual,
> but partly by language problems and lack of experience it
> was not clear to me about the hardware support for remote
> clients.
>
> Let's say we have central server where the LedgerSMB
> resides and have remote clients:
>
> How the printer jobs is sent to printer (if it is not HTML
> print)?
> How the card / bar code readers send their requests/posts
> to the server?
>
> Are there some software with them?
> etc.?
>
> brgds & Thanks in advance,
> Janeks
>
> ------------------------------------------------------------------------------
> Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day
> trial. Simplify your report design, integration and deployment - and focus on
> what you do best, core application coding. Discover what's new with
> Crystal Reports now.  http://p.sf.net/sfu/bobj-july
> _______________________________________________
> Ledger-smb-users mailing list
> Ledger-smb-users@...
> https://lists.sourceforge.net/lists/listinfo/ledger-smb-users
>
> ------------------------------------------------------------------------------
> Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day
> trial. Simplify your report design, integration and deployment - and focus on
> what you do best, core application coding. Discover what's new with
> Crystal Reports now.  http://p.sf.net/sfu/bobj-july
> _______________________________________________
> Ledger-smb-users mailing list
> Ledger-smb-users@...
> https://lists.sourceforge.net/lists/listinfo/ledger-smb-users
>

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Re: Hardware support architecture for remote Clients

by Darren Wiebe :: Rate this Message:

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Many barcode scanners can function as a keyboard wedge.  They just send
the barcode info along with specified characters as keyboard input.

Darren Wiebe
darren@...

Paul Wrightson wrote:

> I also use a CUPS-based solution - my LedgerSMB install is actually an OpenVZ container on a different server. I have set up a Hamachi network (yes, I know. I am looking for something similar and GPL) between my servers and clients to allow printing between locations. The print server is Linux but using Samba so that my Windows clients can also use them directly.
>
> Sorry, the only experience I have with bar code readers is in public libraries with a proprietary solution.
>
> Paul
>
> ----- Original Message -----
> From: sags@...
> To: ledger-smb-users@...
> Sent: Friday, November 6, 2009 1:48:55 AM GMT -06:00 US/Canada Central
> Subject: [Ledger-smb-users] Hardware support architecture for remote Clients
>
> Hi!
>
> Sorry for probably dumb/beginner question. I read manual,
> but partly by language problems and lack of experience it
> was not clear to me about the hardware support for remote
> clients.
>
> Let's say we have central server where the LedgerSMB
> resides and have remote clients:
>
> How the printer jobs is sent to printer (if it is not HTML
> print)?
> How the card / bar code readers send their requests/posts
> to the server?
>
> Are there some software with them?
> etc.?
>
> brgds & Thanks in advance,
> Janeks
>
> ------------------------------------------------------------------------------
> Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day
> trial. Simplify your report design, integration and deployment - and focus on
> what you do best, core application coding. Discover what's new with
> Crystal Reports now.  http://p.sf.net/sfu/bobj-july
> _______________________________________________
> Ledger-smb-users mailing list
> Ledger-smb-users@...
> https://lists.sourceforge.net/lists/listinfo/ledger-smb-users
>
> ------------------------------------------------------------------------------
> Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day
> trial. Simplify your report design, integration and deployment - and focus on
> what you do best, core application coding. Discover what's new with
> Crystal Reports now.  http://p.sf.net/sfu/bobj-july
> _______________________________________________
> Ledger-smb-users mailing list
> Ledger-smb-users@...
> https://lists.sourceforge.net/lists/listinfo/ledger-smb-users
>  


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Parent Message unknown Re: Hardware support architecture for remote Clients

by Paul Wrightson :: Rate this Message:

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Well, no, there is no technical reason not to use OpenVPN (and I have used it before).
However, there are two reasons that I use Hamachi - the first is that I can have access via a laptop from anywhere without the need for a static (or semi-static) IP and the second is so that I can move my OpenVZ containers without messing around with the rest of my network (the Hamachi config moves with the container).
Paul
----- Original Message -----
From: "Luke" <accounting@...>
To: ledger-smb-users@...
Sent: Saturday, November 7, 2009 10:59:27 PM GMT -06:00 US/Canada Central
Subject: Re: [Ledger-smb-users] Hardware support architecture for remote Clients

I am not too familiar with Hamachi, but is there some reason why OpenVPN
can not serve in this case?

Luke


On Sat, 7 Nov 2009, Paul Wrightson wrote:

> I also use a CUPS-based solution - my LedgerSMB install is actually an OpenVZ container on a different server. I have set up a Hamachi network (yes, I know. I am looking for something similar and GPL) between my servers and clients to allow printing between locations. The print server is Linux but using Samba so that my Windows clients can also use them directly.
>
> Sorry, the only experience I have with bar code readers is in public libraries with a proprietary solution.
>
> Paul
>
> ----- Original Message -----
> From: sags@...
> To: ledger-smb-users@...
> Sent: Friday, November 6, 2009 1:48:55 AM GMT -06:00 US/Canada Central
> Subject: [Ledger-smb-users] Hardware support architecture for remote Clients
>
> Hi!
>
> Sorry for probably dumb/beginner question. I read manual,
> but partly by language problems and lack of experience it
> was not clear to me about the hardware support for remote
> clients.
>
> Let's say we have central server where the LedgerSMB
> resides and have remote clients:
>
> How the printer jobs is sent to printer (if it is not HTML
> print)?
> How the card / bar code readers send their requests/posts
> to the server?
>
> Are there some software with them?
> etc.?
>
> brgds & Thanks in advance,
> Janeks
>
> ------------------------------------------------------------------------------
> Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day
> trial. Simplify your report design, integration and deployment - and focus on
> what you do best, core application coding. Discover what's new with
> Crystal Reports now.  http://p.sf.net/sfu/bobj-july
> _______________________________________________
> Ledger-smb-users mailing list
> Ledger-smb-users@...
> https://lists.sourceforge.net/lists/listinfo/ledger-smb-users
>
> ------------------------------------------------------------------------------
> Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day
> trial. Simplify your report design, integration and deployment - and focus on
> what you do best, core application coding. Discover what's new with
> Crystal Reports now.  http://p.sf.net/sfu/bobj-july
> _______________________________________________
> Ledger-smb-users mailing list
> Ledger-smb-users@...
> https://lists.sourceforge.net/lists/listinfo/ledger-smb-users
>

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Re: Hardware support architecture for remote Clients

by Luke-74 :: Rate this Message:

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On Mon, 9 Nov 2009, Paul Wrightson wrote:

> Well, no, there is no technical reason not to use OpenVPN (and I have
> used it before). However, there are two reasons that I use Hamachi - the
> first is that I can have access via a laptop from anywhere without the
> need for a static (or semi-static) IP

whence arises such a need?  I use it from my laptop all of the time, to
automatically establish a VPN to my datacenter, and never have to change
anything when I alter IPs via DHCP, or just plug into some foreign
network.

In fact, I don't think I've touched the OpenVPN configuration on that
laptop in years. I'm using tun devices, with shared secret keys; but the
other methods should work as well.

> and the second is so that I can
> move my OpenVZ containers without messing around with the rest of my
> network (the Hamachi config moves with the container).

I'm less sure about this one, but by the same logic as the above, I am not
seeing why OpenVPN should have a problem with this.
True, there will be a delay while a new route is configured, but by
careful adjustment to ping reset delays, you could get that down to a
reasonable twenty seconds or so maximum, I should think.
and that's only if you can't have what ever command transfers the
container run a shell script which sends the proper signal to OpenVPN to
cause it to exit and reconstitute the route immediately.

Luke

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