like jay-leno-people-on-the-street-survey-well-understood, right? excuse me
sir, would you like to take a shot at describing a 'multivibrator'?
--- On Thu, 3/8/12, Jon Elson el...@pico-systems.com wrote:
From: Jon Elson el...@pico-systems.com
Subject: Re: [Emc-users] EMC2/Ubuntu updates
informative. thanks.
--- On Thu, 3/8/12, Viesturs Lācis viesturs.la...@gmail.com wrote:
From: Viesturs Lācis viesturs.la...@gmail.com
Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe to install?
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Date: Thursday, March 8
On 03/07/2012 01:35 PM, Jon Elson wrote:
Mark Wendt wrote:
I've found it's easier to put ALL: ALL in /etc/hosts.deny, then
selectively put the hosts I want allowed in /etc/hosts.allow. You
can even get more granular by specifying what you want the hosts to
be able to access. Tcpd is a
On 03/07/2012 01:35 PM, Jon Elson wrote:
Mark Wendt wrote:
I've found it's easier to put ALL: ALL in /etc/hosts.deny, then
selectively put the hosts I want allowed in /etc/hosts.allow. You can
even get more granular by specifying what you want the hosts to be able
to access. Tcpd is a
Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe
to install?
To: emc-users@lists.sourceforge.net
Date: Wednesday, March 7, 2012, 7:17 AM
On 03/07/2012 10:11 AM, charles green
wrote:
turbo cnc? interesting. ..nice - $60 to
register
the shareware
On 03/08/2012 07:17 AM, charles green wrote:
the overcapacity problem is a problem of going to unnecessary lengths to
accomplish a defined task, a problem of applying the most extreme measures in
straigtforward cases.
Who said anything about going to unnecessary lengths? The capacity
2012/3/8 charles green xxzzb...@yahoo.com:
the disposal liabilty pcs of a decade vintage have plenty of capacity to
function as machine controllers, so why not repurpose them to that task
rather than a dumpsite?
Ok, I totally agree with the point on nature-responsible (hopefully I
spelled
viesturs.la...@gmail.com
Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe to install?
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Date: Wednesday, March 7, 2012, 8:34 AM
2012/3/7 charles green xxzzb...@yahoo.com:
hmm. has anyone else tried turbo cnc?
I guess
On 03/08/2012 08:24 AM, charles green wrote:
that was my question. is such claim true? it is a bit like speaking english
and wondering if any other language is as effective for a particular purpose.
of course the answer is that english is the best language.
It's true if all you want
/Ubuntu updates - safe to install?
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Date: Thursday, March 8, 2012, 5:08 AM
2012/3/8 charles green xxzzb...@yahoo.com:
the disposal liabilty pcs of a decade vintage have
plenty of capacity to function as machine controllers
.
--- On Thu, 3/8/12, Mark Wendt mark.we...@nrl.navy.mil wrote:
From: Mark Wendt mark.we...@nrl.navy.mil
Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe to install?
To: emc-users@lists.sourceforge.net
Date: Thursday, March 8, 2012, 5:36 AM
On 03/08/2012 08:24 AM, charles green
wrote:
that was my
On 03/08/2012 08:55 AM, charles green wrote:
It's true if all you want is a machine controller and
nothing else.
so, again, strictly in the capacity of a machine controller, turbo cnc vs
linuxcnc, the comparison and contrast results are what? have you a basis for
comparison? do not
2012/3/8 charles green xxzzb...@yahoo.com:
the machines i work with only have tape drives and serial ports, so all cam
files are sent over serial lines as text (ascii i think). failed controller
component replacement is a problem because the hardware platform does not
have long term
2012/3/8 charles green xxzzb...@yahoo.com:
It's true if all you want is a machine controller and
nothing else.
so, again, strictly in the capacity of a machine controller, turbo cnc vs
linuxcnc, the comparison and contrast results are what? have you a basis for
comparison? do not limit
...@nrl.navy.mil
Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe to install?
To: emc-users@lists.sourceforge.net
Date: Thursday, March 8, 2012, 4:46 AM
On 03/08/2012 07:17 AM, charles green
wrote:
the overcapacity problem is a problem of going to
unnecessary lengths to accomplish a defined task
On 03/08/2012 09:26 AM, charles green wrote:
the comp i'm on right now, i dont think i could find if i went shopping for
used. it's still pluggin along. not hefty enough for penguin ubuntu 6 tho -
that was my first try, and 667MHz + 256Mbyte ram couldn't do it. admittedly,
i never spent
Lācis viesturs.la...@gmail.com
Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe to install?
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Date: Thursday, March 8, 2012, 6:06 AM
2012/3/8 charles green xxzzb...@yahoo.com:
It's true if all you want is a machine controller
that is certain to require a fresh clock battery and some floppy drive
cleaning. and $60? does shareware run without registration fees?
--- On Thu, 3/8/12, Mark Wendt mark.we...@nrl.navy.mil wrote:
From: Mark Wendt mark.we...@nrl.navy.mil
Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe
...@nrl.navy.mil
Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe to install?
To: Enhanced Machine Controller (EMC)emc-users@lists.sourceforge.net
Date: Thursday, March 8, 2012, 6:01 AM
On 03/08/2012 08:55 AM, charles green
wrote:
It's true if all you want is a machine controller
and
nothing else
...@gmail.com wrote:
From: Viesturs Lācis viesturs.la...@gmail.com
Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe to install?
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Date: Thursday, March 8, 2012, 6:01 AM
2012/3/8 charles green xxzzb...@yahoo.com:
the machines i work
2012/3/8 charles green xxzzb...@yahoo.com:
cnczone - ive seen that before somehow.
Probably You saw it mentioned in other discussion, where I posted it,
but did You read it? I had a link in there that explains Your next
question.
the task manager of winxp has a process priority setting, with
On Thu, Mar 8, 2012 at 5:08 AM, Mark Wendt mark.we...@nrl.navy.mil wrote:
Depends on where you are and what you are doing. Almost all the
machines here at the Lab have a Class C address. TCP wrappers keeps
unwanted hosts out of my pants, and has worked well for doing that for a
long time.
charles green wrote:
And why should anyone of us use TurboCNC anyway, if LinuxCNC
provides
more features and better performance?
that was my question. is such claim true? it is a bit like speaking english
and wondering if any other language is as effective for a particular purpose.
Mark Wendt wrote:
You don't really have much of an understanding about computers,
operating systems, and the things done inside the OS. If you want an
understanding of what multi-tasking really is, do a search on operating
system schedulers. You're talking about multi-processing, not
charles green wrote:
cnczone - ive seen that before somehow.
the task manager of winxp has a process priority setting, with one of the
choices being 'realtime'. never tried it for anything. but the realtime
mode of operation in linux is still a general hardware timeshare approach,
no?
On 03/06/2012 11:41 PM, Jon Elson wrote:
Eric Keller wrote:
OTOH, I seem to remember that
anonymous got into someone's home router somehow, probably by guessing the
person's password.
One GREAT tool that can be used on Linux nodes that are used as
router/firewalls
is
really looked for any eight bit
machines, because they have trouble with the gig or three of ram for enhanced
machine capacity requirements.
--- On Tue, 3/6/12, Mark Wendt mark.we...@nrl.navy.mil wrote:
From: Mark Wendt mark.we...@nrl.navy.mil
Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe
On 03/07/2012 09:01 AM, charles green wrote:
excess capacity is great if you are into excess capacity. i junked at least
three pc boxes before i found something that could support all that capacity.
my intention was to control three or four stepper motors, and shuffle a few
simple text
for a parport switch box.
did you use turbo cnc? how, strictly in its function as a machine control,
does it compare to linuxcnc?
--- On Wed, 3/7/12, Mark Wendt mark.we...@nrl.navy.mil wrote:
From: Mark Wendt mark.we...@nrl.navy.mil
Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe to install
On 03/07/2012 10:11 AM, charles green wrote:
turbo cnc? interesting. ..nice - $60 to register the shareware. but that is
significantly less than the cost and tortuous hours of overcapacity
investment. i do have a win 98 cd and a 486 box in the closet, but then i've
already put in the
hmm. has anyone else tried turbo cnc?
--- On Wed, 3/7/12, Mark Wendt mark.we...@nrl.navy.mil wrote:
From: Mark Wendt mark.we...@nrl.navy.mil
Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe to install?
To: emc-users@lists.sourceforge.net
Date: Wednesday, March 7, 2012, 7:17 AM
On 03/07
2012/3/7 charles green xxzzb...@yahoo.com:
hmm. has anyone else tried turbo cnc?
I guess that this is not the right place to ask this question - we are
LinuxCNC users here :))
And why should anyone of us use TurboCNC anyway, if LinuxCNC provides
more features and better performance?
With
?
--- On Wed, 3/7/12, Mark Wendtmark.we...@nrl.navy.mil wrote:
From: Mark Wendtmark.we...@nrl.navy.mil
Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe to install?
To: emc-users@lists.sourceforge.net
Date: Wednesday, March 7, 2012, 7:17 AM
On 03/07/2012 10:11 AM, charles green
wrote
On Wed, 2012-03-07 at 11:58 -0500, Dave wrote:
I'm not understanding the overcapacity problem?? If your car can go
80 mph, do you trade it in and get a crappier one that can only go 70?
There is a reason why old Windows 95/98 PCs are dirt cheap.
I threw out a bunch of Windows 98 PCs. I
Mark Wendt wrote:
I've found it's easier to put ALL: ALL in /etc/hosts.deny, then
selectively put the hosts I want allowed in /etc/hosts.allow. You can
even get more granular by specifying what you want the hosts to be able
to access. Tcpd is a wunnerful thang.
I'm running a primary
Kirk Wallace wrote:
Recently, I had a shortage of PC's around here and wanted to get a
LinuxCNC to work on whatever I could scrape together. I needed a
LinuxCNC PC to experiment with but it wasn't important enough to spend
any money on. In dusting off my retired PC's, it became clear that the
another argument if favor of the dedicated operation of machine controller pc's.
--- On Mon, 3/5/12, Jack Coats j...@coats.org wrote:
From: Jack Coats j...@coats.org
Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe to install?
To: Enhanced Machine Controller (EMC) emc-users
To: EMC emc-users@lists.sourceforge.net
Sent: Tuesday, March 06, 2012 12:50 AM
Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe to install?
From: ghesk...@wdtv.com
To: emc-users@lists.sourceforge.net
Date: Tue, 6 Mar 2012 00:27:08 -0500
Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe
On 03/06/2012 07:13 AM, charles green wrote:
another argument if favor of the dedicated operation of machine controller
pc's.
I've been allowing updates for the last five years and have yet to have
any issues. I don't do kernel updates. I also have additional software
loaded on my
2012/3/6 Tony Zampini zampi...@cox.net:
Is there a way to prevent Ubuntu from checking for updates?
Yes, in Update manager settings automatic checking for updates can be
turned off.
But then it after few weeks will display an icon, which will tell that
update information is outdated, so what I
On Tuesday, March 06, 2012 09:44:51 AM Tony Zampini did opine:
Thanks guys for your replies.
Chris, FYI, I installed the 10.04 live CD
Jack, my linux box is on the network because I use DropBox
to be able to access the NC files I create in Eagle on my
windows laptop.
Gene, I'm not a
charles green wrote:
Not that there are linux viruses, but there are
vulnerabilities if
your machine doesn't stay 'patched' with security patches.
And not networking helps keep it safe.
Well, it would be a bad idea to have a CNC machine directly on the net with
a wide-area network
On Tue, Mar 6, 2012 at 1:03 PM, Jon Elson el...@pico-systems.com wrote:
Well, it would be a bad idea to have a CNC machine directly on the net with
a wide-area network address. However, if you have a router for a private
net, a hacker would have to break into the public node and then use
Eric Keller wrote:
OTOH, I seem to remember that
anonymous got into someone's home router somehow, probably by guessing the
person's password.
One GREAT tool that can be used on Linux nodes that are used as
router/firewalls
is denyhosts. It checks the login failures, and if a threshold
Hi all,
I installed EMC2/Ubuntu from the Live CD about a year ago,
but haven't used it much until now. Now, when I start Ubuntu,
I'm presented with a dialog box listing a bunch of updates.
Is it safe to install these updates? I thought I remember
reading somewhere that these updates should not
Unless you want to go to lots of pain, don't install them. Also,
don't keep your LinuxCNC machine on the 'net.
Why? Keeps updates from being installed, and keeps the internet
'boogiemen' from getting to an otherwise
unprotected machine. Computer viruses have trouble jumping an airgap
in
On Tuesday, March 06, 2012 12:15:08 AM Tony Zampini did opine:
Hi all,
I installed EMC2/Ubuntu from the Live CD about a year ago,
but haven't used it much until now. Now, when I start Ubuntu,
I'm presented with a dialog box listing a bunch of updates.
Is it safe to install these updates?
From: ghesk...@wdtv.com
To: emc-users@lists.sourceforge.net
Date: Tue, 6 Mar 2012 00:27:08 -0500
Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe to install?
On Tuesday, March 06, 2012 12:15:08 AM Tony Zampini did opine:
Hi all,
I installed EMC2/Ubuntu from the Live CD about
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