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Is there a tandem like utility for linux?

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Bruce Ackman
 
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Default Is there a tandem like utility for linux? - 12-08-2006 , 11:19 AM






I know this isn't a Linux group, but Linux users don't know what tandem
is. I have some maintenance work to do this weekend, including a full
restore of the d3 file system, and I'd love to be able to do it from
home. I'm afraid if I log in via ssh from home and start d3 to do the
restore, that it will crash when I disconnect. I'd like to be able to
log in, "tandem" to another Linux line (pts/x) and start d3 from there.
Then I could log back in later and see if the restore has run its course.

Maybe there's a D3 utility for this that I've never heard of or
forgotten about.

Thanks and Happy Holidays Y'all

Bruce Ackman

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Ross Ferris
 
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Default Re: Is there a tandem like utility for linux? - 12-08-2006 , 02:03 PM






If you are concerned about the dropout, I assume they have at least one
PC there with Windows XP or better .... enable RDP on this PC, then use
putty (or similar) for the SSH connection, but enable tunnelling for
port 3389 to the internal IP address of your slave PC at the remote
site.

This way the "real" work is being done by the remote PC ..... if you
dropout, just re-establish the SSH connection & tunnel back to the RDP
connected PC p--> it will still be working with an unbroken LOCAL
connection to the Linux machine

(AFAIK you can not create tunnels using the SSH connection of AccuTerm
- happy to be wrong if someone wants `to tell me how, Here is a link
to walk you through putty setup
http://www.engr.wisc.edu/computing/b...top-putty.html
)

HTH

Ross Ferris
Stamina Software
Visage > Better by Design!

Bruce Ackman wrote:
Quote:
I know this isn't a Linux group, but Linux users don't know what tandem
is. I have some maintenance work to do this weekend, including a full
restore of the d3 file system, and I'd love to be able to do it from
home. I'm afraid if I log in via ssh from home and start d3 to do the
restore, that it will crash when I disconnect. I'd like to be able to
log in, "tandem" to another Linux line (pts/x) and start d3 from there.
Then I could log back in later and see if the restore has run its course.

Maybe there's a D3 utility for this that I've never heard of or
forgotten about.

Thanks and Happy Holidays Y'all

Bruce Ackman


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  #3  
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Frank Winans
 
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Default Re: Is there a tandem like utility for linux? - 12-08-2006 , 02:56 PM



"Bruce Ackman" wrote
Quote:
I'd like to be able to
log in, "tandem" to another Linux line (pts/x) and start d3 from there.
Then I could log back in later and see if the restore has run its course.

Bruce Ackman
The linux command
screen
has features to go to another port / login,
and again use screen there to
-- detach the first session,
-- reattach it to the second session.




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  #4  
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bruce ackman
 
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Default Re: Is there a tandem like utility for linux? - 12-08-2006 , 03:27 PM



I know how to login multiple times from one PC, and how to use multiple
screes at the console, but this I've never heard of. Any idea how, or
what command to lookup? I haven't found it in any of my Linux books.

Thanks,

Bruce

Frank Winans wrote:
Quote:
"Bruce Ackman" wrote

I'd like to be able to
log in, "tandem" to another Linux line (pts/x) and start d3 from there.
Then I could log back in later and see if the restore has run its course.

Bruce Ackman

The linux command
screen
has features to go to another port / login,
and again use screen there to
-- detach the first session,
-- reattach it to the second session.



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  #5  
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Frank Winans
 
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Default Re: Is there a tandem like utility for linux? - 12-08-2006 , 05:48 PM



"bruce ackman" wrote
Quote:
Frank Winans wrote:
The linux command
screen
has features to go to another port / login,
and again use screen there to
-- detach the first session,
-- reattach it to the second session.

I know how to login multiple times from one PC, and how to use multiple
screes at the console, but this I've never heard of. Any idea how, or
what command to look up? I haven't found it in any of my Linux books.

Thanks,

Bruce
If the screen package is installed, just do
man screen
on redhat, rpm -qa | grep screen
will tell if it is installed; if not, look for screen*.rpm on your install cdroms.
I know it was included in release rhel 3 ws in case you're using Redhat...

I googled to
linux screen package
and saw a nice entry
"using the screen package" on first page of results. That link, in two parts, is;
http://www.linuxquestions.org/
linux/answers/Applications_GUI_Multimedia/Using_the_screen_package

This may be overkill; if at work you logon to linux, then do
d3 | tee /tmp/foo
then logon as DM and start the file-save,
then later at home you can just tail /tmp/foo to sample the file-save output.

Note this is untidy; the file-save verb at work returns you to a d3 logon greeting
when done, leaving that d3 line process, and that tee process, sitting there idle.
Oh well, 'good enough for government work.'
Frank






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  #6  
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Glen B
 
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Default Re: Is there a tandem like utility for linux? - 12-08-2006 , 06:44 PM




Try kibitz.

Glen

"Bruce Ackman" <BruceA (AT) lewissupplyva (DOT) com> wrote

Quote:
I know this isn't a Linux group, but Linux users don't know what tandem is.
I have some maintenance work to do this weekend, including a full restore
of the d3 file system, and I'd love to be able to do it from home. I'm
afraid if I log in via ssh from home and start d3 to do the restore, that
it will crash when I disconnect. I'd like to be able to log in, "tandem"
to another Linux line (pts/x) and start d3 from there. Then I could log
back in later and see if the restore has run its course.

Maybe there's a D3 utility for this that I've never heard of or forgotten
about.

Thanks and Happy Holidays Y'all

Bruce Ackman



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