I want an easy way to run one or more ephermal Linux VMs in Ubuntu desktop, including the possibility to mount host directories into them in an efficient fashion. Those VMs should have the same CPU architecture and hardware features as the host, no need to emulate some foreign CPU or special hardware, and no GUI in the VMs. The intended use case is sandboxing and isolation for security and reproducability reason.

Most Linux systems uses systemd as init and service manager nowadays. You can use systemd to start your services, so that they are automatically restarted if they crash, and automatically started when the system boots. You can even do this as a regular user, without root access (then the service will run with permissions of your user), and have it automatically started when the system boots without you having to login.

You can publish a Java or Kotlin library built with Gradle on Maven Central like this. First setup your Gradle build to produce a valid bundle for Maven Central. Include the Maven Publish Plugin in your build. Setup building of Javadoc and Source archives using Dokka. Set the required POM metadata in Gradle like this. See here for a complete working example. Now you can run gradle publish to create the Maven bundle in the mavenPublish directory (which you probably want to include in .