Howto improve ssh session performance by reusing an existing connection to a remote openssh server

Posted on in Categories Networking, OpenBSD, Tuning, UNIX last updated June 6, 2006

ControlMaster is a new feature in OpenSSH v 4.x, that allows it to reuse an existing connection to a remote host when opening new connections to that host

Using this feature you can increase performance as it result into the reduced connection times that the ControlMaster feature provides are particularly nice when you’re using tools that open multiple SSH connections to do work on a remote server…” Read more…

On a related note, here’s a short guide on reusing existing OpenSSH v4 connections written by steve.

Posted by: Vivek Gite

The author is the creator of nixCraft and a seasoned sysadmin and a trainer for the Linux operating system/Unix shell scripting. He has worked with global clients and in various industries, including IT, education, defense and space research, and the nonprofit sector. Follow him on Twitter, Facebook, Google+.

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