One Quickie

Daemontools controls (Unix->General)
# svc -d /service/whatever - Bring the server down

# svc -u /service/whatever - Start the server up and leave it in keepalive mode.

# svc -o /service/whatever - Start the server up once. Do not restart it if it stops.

# svc -t /service/whatever - Stop and immediately restart the server.

# svc -k /service/whatever - Sends the server a KILL signal. This is like KILL -9. If svc -t fails to fully kill the process, use this option.

(Thanks to the OpenACS documentation)

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