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The docker compose CLI utility allows users to run commands on multiple containers at once; for example, building images, scaling containers, running containers that were stopped, and more. [30] Commands related to image manipulation, or user-interactive options, are not relevant in Docker Compose because they address one container. [ 31 ]
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.
The OCI organization includes the development of runc, which is the reference implementation of the runtime-spec, [7] [8] a container runtime that implements their specification and serves as a basis for other higher-level tools. runc was first released in July 2015 as version 0.0.1 [9] and it reached version 1.0.0 on June 22, 2021.
systemd-nspawn may be used to run a command or OS in a namespace container. timedated systemd-timedated is a daemon that can be used to control time-related settings, such as the system time, system time zone , or selection between UTC and local time-zone system clock.
Add-on hardware or malfunctioning RAM could also be sources of fatal kernel errors during start up, due to incompatibility with the OS or a missing device driver. [9] A kernel may also go into panic() if it is unable to locate a root file system . [ 10 ]
Justin Cappos (born February 27, 1977) is a computer scientist and cybersecurity expert whose data-security software has been adopted by a number of widely used open-source projects. His research centers on software update systems, security, and virtualization , with a focus on real-world security problems.
Containers emerged as a way to make software portable. The container contains all the packages needed to run a service. The provided file system makes containers extremely portable and easy to use in development. A container can be moved from development to test or production with no or relatively few configuration changes.
In 2021 App Connect Enterprise V12 was released with many enhanced capabilities such as optimised container deployments reducing container start-up times and resource requirements. IBM App Connect Enterprise V12 also featured the use of 'Discovery Connectors', enabling integration developers to discover objects in systems such as Saas and Cloud ...