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Dockers load bagged cargo onto a barge in Port Sudan, 1960. A dockworker (also called a longshoreman, stevedore, docker, wharfman or wharfie) is a waterfront manual laborer who loads and unloads ships. [1] As a result of the intermodal shipping container revolution, the required number of dockworkers has declined by over 90% since the 1960s. [2]
An ephemeral port is a communications endpoint of a transport layer protocol of the Internet protocol suite that is used for only a short period of time for the duration of a communication session. Such short-lived ports are allocated automatically within a predefined range of port numbers by the IP stack software of a computer operating system.
A Docker container is a standardized, encapsulated environment that runs applications. [26] A container is managed using the Docker API or CLI. [23] A Docker image is a read-only template used to build containers. Images are used to store and ship applications. [23] A Docker service allows containers to be scaled across multiple Docker daemons.
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.
A container port, container terminal, or intermodal terminal is a facility where cargo containers are transshipped between different transport vehicles, for onward transportation. The transshipment may be between container ships and land vehicles, for example trains or trucks , in which case the terminal is described as a maritime container port .
The ports of Long Beach and Los Angeles together account for approximately 40% of the shipping containers entering the United States. [7] More than three-quarters of the containers leaving Los Angeles were empty in July 2021 whereas about two-thirds of the containers leaving U.S. ports are typically filled with exports.
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 ...
Port knocking is totally dependent on the robustness of the port knocking daemon. The failure of the daemon will deny port access to all users and from a usability and security perspective, this is an undesirable single point of failure. Modern port knocking implementations mitigate this issue by providing a process-monitoring daemon that will ...