Abstract: A method includes performing operations to swap a system from a first userspace to a third userspace. Operations of the method include: operating the system using the first userspace, loading a second userspace into an operating system memory space accessible to a kernel, and installing a custom init replacement. Operations of the method further include signaling an init system to execute the custom init replacement, thereby operating the system using a second userspace, loading the third userspace into a second memory location accessible to the kernel, and signaling the init system to execute the custom init replacement a second time, thereby operating the system using the third userspace.

Abstract: A method includes performing operations to swap a system from a first userspace to a third userspace. Operations of the method include: operating the system using the first userspace, loading a second userspace into an operating system memory space accessible to a kernel, and installing a custom init replacement. Operations of the method further include signaling an init system to execute the custom init replacement, thereby operating the system using a second userspace, loading the third userspace into a second memory location accessible to the kernel, and signaling the init system to execute the custom init replacement a second time, thereby operating the system using the third userspace.