Suramya's Blog : Welcome to my crazy life…

March 27, 2021

Outrun: Run a local command on a remote server

Filed under: Computer Software,Interesting Sites,Linux/Unix Related — Suramya @ 9:49 AM

A lot of times we have to run a command that requires a lot of processing power and is extremely slow on your local computer. I have faced this issue in the past and at times wished there was a way to push these commands to a remote machine with a more powerful CPU to run the command. Now, thanks to the efforts of Alexander Overvoorde (Overv), Jakub Wilk and Xiretza this is now possible. They have created a tool called Outrun which lets you execute a local command using the processing power of another Linux machine without having to install the command on the remote machine.


Sample Execution of ffmpeg on a remote server

The software does have a few limitations, but on the whole it is very cool:

  • We need to have root access on the remote server (or sudo access) as the system needs to run chroot on the remote server
  • Both client and remote server need to be on the same architecture, so you can’t set up a session from an x86 machine to an ARM machine. Which is unfortunate because the first usecase I had for this tool was to run software from the RaspberryPI on my server as and when it needed more processing power.
  • File system performance remains a bottleneck

Check it out if you need to run commands with more CPU cycles than what is available on the local machine.

Thanks to Hacker News for the initial link.

– Suramya

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