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setup-runit-in-three-seconds

install runit

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$ sudo apt-get install runit

create nessesary folders

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$ sudo mkdir /etc/service

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$ sudo mkdir /etc/runit/your_daemon

write a run script

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touch /etc/runit/your_daemon/run
chmod +x /etc/runit/your_daemon/run

the content would be like this:

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#!/bin/sh -e
exec echo "hi"

make a symlink to /etc/service

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ln -s /etc/runit/your_daemon /etc/service/your_daemon

Explanation

Two key programs in runit: runsv, runsvdir
runsvdir will monitor the folder: /etc/service/

  1. We can manage each daemon under /etc/runit by creating subfolder
  2. Make a symlink link to /etc/service/
  3. done

Refs

  1. http://smarden.org/runit/
  2. http://www.techrepublic.com/blog/linux-and-open-source/use-runit-to-supervise-linux-services/