Systems, methods, computer programs and devices are provided where a virtual operating system application essentially operating a device with reduced computing power runs on a mobile device. The virtual operating system may allow running of applications for the further device or act as a proxy for the further device to be controlled by other applications running on the mobile device.

Techniques for testing a physical hardware system by executing hardware system application software on a corresponding emulated proxy physical hardware system in a proxy virtual machine are presented. The techniques include: obtaining a proxy physical hardware system that matches aspects of the physical hardware system; constructing, in a virtualization system, the proxy virtual machine; emulating, using the virtualization system, hardware components of the proxy physical hardware system in the proxy virtual machine; executing a hardware abstraction software layer in the proxy virtual machine; executing, by the hardware abstraction software layer of the virtualization system, the hardware system application software in the proxy virtual machine on the proxy physical hardware system using a memory map at least one adapter; and testing, using the virtualization system, the physical hardware system by the executing the hardware system application software in the proxy virtual machine on the proxy physical hardware system.

A container image is received at a host device. The container image includes a container application compatible with a first operating system, and the host device includes a second operating system, different from the first operating system. A container engine on a processing device executes a container corresponding to the container image. The container engine includes an emulator configured to translate a request from the container application that is directed to the first operating system into a request to the second operating system.

A non-transitory computer-readable recording medium stores a failure cause identification program for causing a computer to execute a process including: collecting process information related to one or more processes that operate in a container environment; obtaining a derivative relationship of a process for each container on the basis of the process information; generating symbol information in which a function of each of the processes is associated with a container in which each of the processes operates according to the derivative relationship of the process for each container; generating an aggregation result in which a frequency of the function is aggregated according to the symbol information; and identifying a cause at a time of failure occurrence on the basis of the aggregation result.

An electronic device for executing various operating systems is provided. The electronic device includes first and second hardware devices, a first operating system (OS), a second OS different from the first OS, and a processor configured to control the first hardware device to process first data from a first program executed on the first OS, obtain a command for executing the second OS, generate a container for executing the second OS based on a kernel of the first OS in response to the command for executing the second OS, execute the second OS on the generated container, execute a second program on the second OS, obtain second data regarding the second program from the second OS via socket communication by a control application installed on the first OS, and control the second hardware device to process the second data regarding the second program based on the first OS using the installed control application.

The present disclosure describes systems and method for processing applications, interfacing between applications and operating systems, executing an application without installation, and extracting graphical user interface (GUI) content of an application to make the contents indexed and searchable. The present disclosure includes a computer system to execute applications in a progressive, installation-free, and/or searchable manner.

A method for executing a virtualized application on a computing system that includes a user-space and a kernel-space is disclosed. The method includes executing an application in the user-space, executing a user-level virtualization layer in the user-space, the user-level virtualization layer including a set of rules, performing, via the user-level virtualization layer, user-level hooking of events that are generated by the executing application according to the set of rules to identify events of interest, and determining whether to allow or block a function corresponding to an event that is identified as an event of interest based on the set of rules in the user-level virtualization layer.

Methods and systems for executing games are provided. One example method includes executing at a server of the gaming system a first game logic and a second game logic. The first game logic is for a first game stream to a first user and the second game logic is for a second game stream to a second user. The method includes providing a first virtual driver for the first game logic and a second virtual driver for the second game logic. The method includes executing a hardware graphical processing unit (GPU). The hardware GPU having a non-virtual driver that communicates with each of the first and second virtual drivers. The non-virtual driver is configured for receiving data associated with the first game and the second game using the first virtual driver and the second virtual driver, respectively. The hardware GPU is configured for rendering video frames for the first game and the second game. The method includes encoding the video frames for the first game and the second game using an encoder. The encoded video frames including the first and second game streams to devices of the first and second users connected to the gaming system over a network.

An apparatus comprises an interrupt distributor to distribute virtual interrupts to one or more physical processors, each virtual interrupt to be handled by one of a plurality of virtual processors mappable to said one or more physical processors; and control circuitry to maintain virtual processor interrupt tracking information corresponding to a given virtual processor. The virtual processor interrupt tracking information includes a pending interrupt record tracking which types of virtual interrupts are pending for the given virtual processor, and separate from the pending interrupt record, a pending interrupt status indication indicating a pending interrupt status for the given virtual processor. The pending interrupt status indicates whether the number of pending virtual interrupts for the given virtual processor is zero.

The present disclosure relates generally to computer architecture and infrastructure for guest operating systems executing on a host operating system. A method of allowing command sessions in a guest operating system includes receiving, by a host operating system, a request to invoke a command session by a guest operating system; receiving, by the host operating system, a request to invoke a bash interceptor; and loading bash code into a secure sandbox on the host operating system.