Via ssh access tty lines or run commands locally? [SOLVED]

slugggerzzz · Last edited by slugggerzzz on Thu Mar 08, 2012 9:05 pm; edited 1 time in total

Via ssh access tty lines or run commands locally? Possible?

Hey,

I was looking into what’s the best way to run commands locally on the machine.

Is it possible to fire up a SSH console but be mirroring the local tty lines instead of using a pts line ?

Or what other possible ways can i run commands locally?

Realistically i could do with something so i get connect remotely, set off a command and then reconnect later to the same session.

Any ideas ?

Thanks in advance ...
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Slugggerzzz ...

Telemin · l33t Joined: 25 Aug 2005 Posts: 753 Location: Glasgow, UK

Hi,

Take a look at app-misc/screen, it is exactly what you want.

truc · Advocate Joined: 25 Jul 2005 Posts: 3199

or tmux, very similar to screen
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krinn · Watchman Joined: 02 May 2003 Posts: 7470

you might not get the ability to reconnect to the session, but if you just want a program running thru ssh even you close the ssh session, you can just run it in background

emerge --sync &
your emerge --sync will succeed even if you disconnect from the host

Telemin · l33t Joined: 25 Aug 2005 Posts: 753 Location: Glasgow, UK

While that is true for despatched processes, I'm not sure it is true in generality.

For example,

krinn · Watchman Joined: 02 May 2003 Posts: 7470

bash will survive

like all programs going to background, just like emerge in my example (that is python btw)

Telemin · l33t Joined: 25 Aug 2005 Posts: 753 Location: Glasgow, UK

Then try this:

Ant P. · Watchman Joined: 18 Apr 2009 Posts: 6920

That's because the `for` loop is a bash builtin command.

Telemin · l33t Joined: 25 Aug 2005 Posts: 753 Location: Glasgow, UK

Which was precisely my original point. Krinn's statement is not true in all generality, and since I use one liners of that form fairly often, which take a non-neglible time to complete I am sure that others would as well and was aiming to avoid confusion due to overly general statements.

-Telemin-
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slugggerzzz · Posted: Thu Mar 08, 2012 9:03 pm Post subject:

Thanks for the replies, i have got to say that giving the command to the ampersand has not been very successful in what I'm doing, running programs yeah.

Any how i tested screen and well its just what i wanted really.

Thanks for the feedback and i will mark this one as solved.

And hey Telemin, nice to know i am not the only one !
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Slugggerzzz ...

krinn · Watchman Joined: 02 May 2003 Posts: 7470