How Can I Run My Go Program as a Daemon in Ubuntu?

Running Go Programs as Daemons in Ubuntu

Starting a Go program as a daemon in Ubuntu requires careful consideration. While the simple command go run myapp.go & may initiate the program, it doesn't fully meet the requirements of a daemon.

Building an Executable and Utilizing Daemon Tools

To properly daemonize a Go program, build an executable using go build. Subsequently, consider employing external tools like daemonize. Unlike system-dependent upstart, daemonize offers flexibility and advanced functionality.

Using Daemonize for Effective Daemonization

To utilize daemonize, execute the following command:

daemonize -p /var/run/myapp.pid -l /var/lock/subsys/myapp -u nobody /path/to/myapp.exe

This command effectively transforms your Go program into a well-behaved Unix daemon. Daemonize handles critical tasks such as:

• Creating a PID file at /var/run/myapp.pid
• Establishing a lock file at /var/lock/subsys/myapp
• Running the program as a non-privileged user (nobody)

By using daemonize, you ensure that your Go program operates as a reliable and robust daemon, efficiently managed by Monit or other monitoring tools.

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