Published at LXer:
Ubuntu started shipping with the release 10.04 with a new init system called Upstart that has babysitting built in, so let’s talk about that. I’ll be doing all of these examples on Ubuntu 10.04, but any upstart-using system should work. For me, the most important two features of Upstart are babysitting and events. Upstart supports the simple runner scripts that daemontools, supervisord, and other similar-class tools support. It also lets you configure jobs to respond to arbitrary events.
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