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I need to run a start-stop-daemon for a redis instance and I want it to send a SIGTERM and if the redis instance doesn't quit i would like it to force a quit.

The start-stop-daemon configuration says that the --retry option can be used for that but i couldn't figure a way to do this, here's my current command:

/sbin/start-stop-daemon --stop --retry forever/TERM --quiet --oknodo --pidfile /var/run/redis/redis.pid --exec /usr/bin/redis-server

Any hints on how I would be able to do this?

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There are two ways:

The first is just to specify a numeric --retry value. Then it will use /signal/timeout/KILL/timeout schedule. I.e. send a terminating signal (specified with --signal option), then wait the specified number of seconds and then send a KILL signal that could not be ignored by a process and therefore it will be forced to exit. The command will look like:

/sbin/start-stop-daemon --stop --signal TERM --retry 5 --quiet --oknodo --pidfile /var/run/redis/redis.pid --exec /usr/bin/redis-server

The second is to specify a complete schedule to the --retry option. It will look like:

/sbin/start-stop-daemon --stop --retry TERM/5/KILL/10 --quiet --oknodo --pidfile /var/run/redis/redis.pid --exec /usr/bin/redis-server

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