how to send process in ssh to background?

midnite · Guru Joined: 09 Apr 2006 Posts: 435 Location: Hong Kong

i use sshd to access my gentoo from another computer. i found that when i close my sshd client (PuTTY), the process in my gentoo box stops also. It is very inconvenience for installing some large package; i have to keep two computers on! Is there some way to send the process to background, such that it will continue even if i close the ssh connection?

alex.blackbit · Advocate Joined: 26 Jul 2005 Posts: 2397

didn't you start sshd with "/etc/init.d/sshd start" ?
that would make sshd run as a normal deamon until you do "/etc/init.d/sshd stop".

Tintamarre · n00b Joined: 11 Jun 2007 Posts: 63 Location: Belgium

You can use SCREEN

alex.blackbit · Advocate Joined: 26 Jul 2005 Posts: 2397

oh, what you meant was ssh, not sshd. yes, then screen is the weapon of choice.

Sven Vermeulen · Posted: Fri Jul 13, 2007 10:55 am Post subject:

I'm fully supportive of screen as well. Just in case you're looking for something else, use nohup for your process. More primitive, but might be your only option if you don't have screen and aren't an administrator of that system.
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JeliJami · Veteran Joined: 17 Jan 2006 Posts: 1086 Location: Belgium

ssh and disconnecting from the shell
SSH question
emerging over SSH
Keeping jobs going after closing ssh shell?
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midnite · Guru Joined: 09 Apr 2006 Posts: 435 Location: Hong Kong

Thanks very much from all of your help!!

excuse me, in nohup, what is the meaning of "nice" ?

Sven Vermeulen · Posted: Fri Jul 13, 2007 12:17 pm Post subject:

With "nice" you can tell the operating system how "nice" your process should be for other processes.

The more "nice" it is to others, the more it'll allow others to obtain more CPU cycles than your process. So if you give a "nice" value of 20, your process will most likely run with the lowest possible priority. If you tell it to have a very low "nice" value (like -19) it'll attempt to run with an as high priority as possible.
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mark_alec · Posted: Fri Jul 13, 2007 12:38 pm Post subject:

Moved from Networking & Security to Duplicate Threads.

See threads davjel posted.
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