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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 ...
It is a container hypervisor providing an API to manage LXC containers. [14] The LXD project was started in 2015 and was sponsored from the start by Canonical Ltd. , the company behind Ubuntu . On 4 July 2023, the LinuxContainers project announced that Canonical had decided to take over the LXD project but a fork called Incus was made.
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.
OS-level virtualization is an operating system (OS) virtualization paradigm in which the kernel allows the existence of multiple isolated user space instances, including containers (LXC, Solaris Containers, AIX WPARs, HP-UX SRP Containers, Docker, Podman), zones (Solaris Containers), virtual private servers (), partitions, virtual environments (VEs), virtual kernels (DragonFly BSD), and jails ...
Filesystems in the Kubernetes container provide ephemeral storage, by default. This means that a restart of the pod will wipe out any data on such containers, and therefore, this form of storage is quite limiting in anything but trivial applications. A Kubernetes volume [61] provides persistent storage that exists for the lifetime of the pod ...
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 ().
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 ...
Container - This somewhat generic container format is specifically packaged for Proxmox (as tar.gz) (and formerly OpenNode too). These builds can be downloaded direct within Proxmox's WebUI [5] (and formerly via OpenNode's interface [6]). The tar.gz archive is also known to work with both vanilla OpenVZ and LXC with minimal tweaking. Xen; Docker