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LXC is similar to other OS-level virtualization technologies on Linux such as OpenVZ and Linux-VServer, as well as those on other operating systems such as FreeBSD jails, AIX Workload Partitions and Solaris Containers. In contrast to OpenVZ, LXC works in the vanilla Linux kernel requiring no additional patches to be applied to the kernel sources.
Docker is a set of platform as a service (PaaS) products that use OS-level virtualization to deliver software in packages called containers. [5] The service has both free and premium tiers. The software that hosts the containers is called Docker Engine. [6] It was first released in 2013 and is developed by Docker, Inc. [7]
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 ...
LXC: Community project, Canonical Ltd. x86, x86-64, IA-64, PowerPC 64, SPARC64, Itanium, ARM Same as host Linux Linux variants GPL version 2: OKL4 Microvisor: Open Kernel Labs, acquired by General Dynamics Corporation: ARM, x86, MIPS ARM (v5, v6, v7, v8; paravirtualization), ARMv7VE (hardware virtualization) No Host OS
In January 2017, Balfanz, along with asimo3089, uploaded Jailbreak, a cops-and-robbers game, to Roblox. On its first day of release, it reached 70,000 concurrent players, a number which Balfanz later said had shocked him. [1] It quickly became one of the most popular games on the platform, and made Balfanz a millionaire. [4] [3]
Container Linux provides no package manager as a way for distributing payload applications, requiring instead all applications to run inside their containers. Serving as a single control host, a Container Linux instance uses the underlying operating-system-level virtualization features of the Linux kernel to create and configure multiple containers that perform as isolated Linux systems.
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 ().
Each container is a separate entity, and behaves largely as a physical server would. Each has its own: Files System libraries, applications, virtualized /proc and /sys, virtualized locks, etc.