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Docker manages swarms using the Raft consensus algorithm. According to Raft, for an update to be performed, the majority of Swarm nodes need to agree on the update. [40] [41] Docker Volume facilitates the independent persistence of data, allowing data to remain even after the container is deleted or re-created. [42]
The device mapper is a framework provided by the Linux kernel for mapping physical block devices onto higher-level virtual block devices.It forms the foundation of the logical volume manager (LVM), software RAIDs and dm-crypt disk encryption, and offers additional features such as file system snapshots.
The pushd ('push directory') command saves the current working directory to the stack then changes the working directory to the new path input by the user. If pushd is not provided with a path argument , in Unix it instead swaps the top two directories on the stack, which can be used to toggle between two directories.
Docker, Inc. is an American technology company that develops productivity tools built around Docker, which automates the deployment of code inside software containers. [ 1 ] [ 2 ] Major commercial products of the company are Docker Hub , a central repository of containers, and Docker Desktop, a GUI application for Windows and Mac to manage ...
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 ().
lmctfy ("Let Me Contain That For You", pronounced "l-m-c-t-fi" [1]) is an implementation of an operating system–level virtualization, which is based on the Linux kernel's cgroups functionality.
A SU can define a volume, such as a local disk directory or a network disk, and expose it to the Components in the SU.[39] SU can be administratively managed through the AMF CLI, or management can be delegated to AMF. Such volumes are also the basis for Persistent Storage. [2] [16]
chroot is an operation on Unix and Unix-like operating systems that changes the apparent root directory for the current running process and its children. A program that is run in such a modified environment cannot name (and therefore normally cannot access) files outside the designated directory tree.