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  2. Ansible (software) - Wikipedia

    en.wikipedia.org/wiki/Ansible_(software)

    The term "ansible" was coined by Ursula K. Le Guin in her 1966 novel Rocannon's World, [4] and refers to fictional instantaneous communication systems.[5] [6]The Ansible tool was developed by Michael DeHaan, the author of the provisioning server application Cobbler and co-author of the Fedora Unified Network Controller (Func) framework for remote administration.

  3. Kubernetes - Wikipedia

    en.wikipedia.org/wiki/Kubernetes

    The Kubernetes API can be extended using Custom Resources, which represent objects that are not part of the standard Kubernetes installation. These custom resources are declared using Custom Resource Definitions (CRDs), which is a kind of resource that can be dynamically registered and unregistered without shutting down or restarting a cluster ...

  4. Ceph (software) - Wikipedia

    en.wikipedia.org/wiki/Ceph_(software)

    The metadata server cluster can expand or contract, and it can rebalance file system metadata ranks dynamically to distribute data evenly among cluster hosts. This ensures high performance and prevents heavy loads on specific hosts within the cluster. Clients mount the POSIX-compatible file system using a Linux kernel client.

  5. Linux - Wikipedia

    en.wikipedia.org/wiki/Linux

    This is an accepted version of this page This is the latest accepted revision, reviewed on 16 February 2025. Family of Unix-like operating systems This article is about the family of operating systems. For the kernel, see Linux kernel. For other uses, see Linux (disambiguation). Operating system Linux Tux the penguin, the mascot of Linux Developer Community contributors, Linus Torvalds Written ...

  6. Red Hat Certification Program - Wikipedia

    en.wikipedia.org/wiki/Red_Hat_Certification_Program

    The certification has a heavy focus on automation using Ansible. To achieve the RHCE certification, the student must pass the RHCSA exam, EX200 , and in addition EX294 , a 4-hour hands-on lab exam. Red Hat recommends preparing for the exam by taking courses in Linux essentials (RH124), Linux administration (RH134), and Linux networking and ...

  7. ONTAP - Wikipedia

    en.wikipedia.org/wiki/ONTAP

    ONTAP Cluster could consist only with even number of nodes (they must be configured as HA pairs) except for Single-node cluster. Single-node cluster ONTAP system also called non-HA (stand-alone). ONTAP Cluster managed with a single pane of glass built-in management with Web-based GUI, CLI (SSH and PowerShell) and API.

  8. Ansible - Wikipedia

    en.wikipedia.org/wiki/Ansible

    That is like the ansible universe in Ursula K. LeGuin's early Hainish novels. Since I needed to use exactly that rule set, why not use the word — an excellent word — which I apply in the same way we all say 'robot,' an invented word that has entered the language, [and thereby] pay tribute to the writer from whose works I learned the word. [10]

  9. OS-level virtualization - Wikipedia

    en.wikipedia.org/wiki/OS-level_virtualization

    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 ...