How to speeding up SSH session creation

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You can reuse OpenSSH connections to the same server when you want to open subsequent connections to the same server. For example, if I ran ssh vivek@server42.cyberciti.biz, the ssh client will establish a new SSH connection. It usually takes only a few seconds. However, if I run ssh vivek@server42.cyberciti.biz command again, connecting to a server42.cyberciti.biz multiple times result into the overhead.

This tutorial talks about ssh features called multiplexing that reuse an already-established connection when creating a new SSH session.

Posted by: Vivek Gite

The author is the creator of nixCraft and a seasoned sysadmin, DevOps engineer, and a trainer for the Linux operating system/Unix shell scripting. Get the latest tutorials on SysAdmin, Linux/Unix and open source topics via RSS/XML feed or weekly email newsletter.