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Accelerating OpenSSH connections with ControlMaster

June 7th, 2006

OpenSSH 4.0 introduced an interesting new feature called ControlMaster that allows it to reuse an existing connection to a remote host when opening new connections to that host. This can significantly reduce the amount of time it takes to establish connections after the initial connection. Let´s see how this can help you work faster, and how to start using ControlMaster right away.

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, such as: Using Emacs on the client with Transparent Remote (file) Access, Multiple Protocol (TRAMP) to access files on a remote server via SSH.Read Full Story

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