April 2018
Intermediate to advanced
468 pages
14h 34m
English
Rkt is a container manager from CoreOS (the developers of the CoreOS Linux distro, etcd, flannel, and more). The rkt runtime prides itself on its simplicity and strong emphasis on security and isolation. It doesn't have a daemon like the Docker engine, and relies on the OS init system, such as systemd, to launch the rkt executable. Rkt can download images (both app container (appc) images and OCI images), verify them, and run them in containers. Its architecture is much simpler.
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