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The main classes of Docker objects are images, containers, and services. [22] A Docker container is a standardized, encapsulated environment that runs applications. [25] A container is managed using the Docker API or CLI. [22] A Docker image is a read-only template used to build containers. Images are used to store and ship applications. [22] A ...
Docker on macOS uses a bhyve derivative called HyperKit. It is derived from xhyve, a port of bhyve to macOS's Hypervisor framework. [10] iohyve on FreeBSD is a command-line utility to create, store, manage, and launch bhyve guests using built in FreeBSD features. [11] vm-bhyve on FreeBSD is a shell-based, bhyve manager with minimal dependencies ...
The Open Container Initiative (OCI) is a Linux Foundation project, started in June 2015 by Docker, CoreOS, and the maintainers of appc (short for "App Container") to design open standards for operating system-level virtualization ().
Container clusters need to be managed. This includes functionality to create a cluster, to upgrade the software or repair it, balance the load between existing instances, scale by starting or stopping instances to adapt to the number of users, to log activities and monitor produced logs or the application itself by querying sensors.
This is a list of commands from the GNU Core Utilities for Unix environments. These commands can be found on Unix operating systems and most Unix-like operating systems. GNU Core Utilities include basic file, shell and text manipulation utilities. Coreutils includes all of the basic command-line tools that are expected in a POSIX system.
Various container software use Linux namespaces in combination with cgroups to isolate their processes, including Docker [17] and LXC. Other applications, such as Google Chrome make use of namespaces to isolate its own processes which are at risk from attack on the internet. [18] There is also an unshare wrapper in util-linux. An example of its ...
A container window encloses other windows or controls. When it is moved or resized, the enclosed items move, resize, reorient, or are clipped by the container window. A browser window allows the user to view and navigate through a collection of items, such as files or web pages. Web browsers are an example of these types of windows.
The basic scheduling unit in Kubernetes is a pod, [54] which consists of one or more containers that are guaranteed to be co-located on the same node. [32] Each pod in Kubernetes is assigned a unique IP address within the cluster, allowing applications to use ports without the risk of conflict. [ 55 ]