Experimental Physics and Industrial Control System
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Eric Norum wrote:
We have an 'iocConsole' script which ssh's to a common machine as a
common user (controlled by ssh public keys) and connects to a screen
session if it is active and otherwise starts a screen session. The
screen session multiplexes access to the single serial line. This
deals with most of your concerns, I believe.
1) We can control access without having to deal with IT
administrators (other than setting up the common user account to
begin with) -- just add a public key to the common user account. 2)
Multiple users can access a serial line session at the same time. 3)
Persistent scrollback, even if no users are currently attached.
Eric.
We are presently using a system developed in-house, but based
heavily on your description of your own iocConsole application. It works
fine, but concentrates all access through a single host, and
requires maintenance to add and delete IOCs, etc. I think it would be
nice and simple to just open an SSH or telnet session from wherever you
are. Having both systems operate concurrently would be the best of all
worlds.
--- Rod.
- Replies:
- Re: Ethernet-to-RS232 Ralph Lange
- Re: Ethernet-to-RS232 Dirk Zimoch
- References:
- Ethernet-to-RS232 Dave Reid
- Re: Ethernet-to-RS232 Mauro Giacchini
- RE: Ethernet-to-RS232 Rees, NP (Nick)
- Re: Ethernet-to-RS232 David Kline
- Re: Ethernet-to-RS232 Rod Nussbaumer
- Re: Ethernet-to-RS232 Matthieu Bec
- Re: Ethernet-to-RS232 Maren Purves
- Re: Ethernet-to-RS232 Eric Norum
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ANJ, 02 Sep 2010 |
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