On Tuesday 16 December 2008, Tom wrote:
>Chris Radek <ch...@...> writes:
>> Not true.
>>
>> http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?InstallingUpdates
>>
>> --------------------------------------------------------------------------
>>----
>
>I stand corrected, Chris.
>
>But... the dependencies make a non-networked install/upgrade very difficult.
>
>It might be easier to run a network cable 100ft out to the barn.
>
>Tom
>
For that long a run I would also rig a messenger cable. My 40 or so feet that
has been swinging in the breeze from the house to my shop, has probably
stretched, or slipped in the cable ties that bind it, about a foot in 5
years, I had to undo the hanger at the house and pull it back tight about a
year ago, couldn't carry ladders and things in the yard without hitting it
plus it had sagged into the top of the 4' wide swinging doors of the shop.
But as near as I can tell, its as good as ever, it matched my dsl bandwidth
when I ssh-logged into it just now, issued a sudo reboot, then pinged it till
it came back, & did an apt-get update, apt-get install emc2, which put the
2.2.8 version on it.
A length of real metal electric fence wire, (not plastic unless its real
kevlar) with the cat-5 hanging from it via those plastic s-hooks you hang
christmas lights on the gutters with should work until the s-hooks go away
from the sunlight. I would not tape it directly to the messenger wire if its
metalic due to the close proximity of the metal in the messenger wire
effecting its impedance. The s-hooks will give about a 3/4" spacing which
should be fine.
I used that bright blue cat-5 stuff Belden makes, it is apparently surviving
the sunshine quite well so far. Far better in fact than I expected it to.
When I put it up, I figured on maybe a years service max.
--
Cheers, Gene
"There are four boxes to be used in defense of liberty:
soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Innocence ends when one is stripped of the delusion that one likes oneself.
-- Joan Didion, "On Self Respect"
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