How To Install and Manage Supervisor

**How To Install and Manage Supervisor**

Introduction In many VPS environments, you may have a number of small programs that you want to run persistently, whether these are small shell scripts, Node.js apps, or larger packages. Usually, external packages are supplied with a unit file that allows them to be managed by an init system such as systemd, or packaged as Docker images that can be managed by a container engine. However, when software is not well packaged, or when you would prefer not to interact with a low-level init system on your server, it is helpful to have a lightweight alternative. Supervisor is a process manager that provides a single interface for managing and monitoring a number of long-running programs. In this tutorial, you will install Supervisor and use it to define, start, and manage one or more programs from simple, per-program configuration files...

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