IT Operations Definitions

This glossary explains the meaning of key words and phrases that information technology (IT) and business professionals use when discussing IT operations and related software products. You can find additional definitions by visiting WhatIs.com or using the search box below.

  • O

    Open Container Initiative

    The Open Container Initiative, formerly known as the Open Container Project, is a Linux Foundation project designed to establish common open standards for container platforms.

  • P

    Perforce Software

    Perforce is a software company that specializes in software configuration management, version control and collaboration products. The company is the recognized market leader in version control within the gaming sector.

  • phased rollout

    Phased rollout is a hardware or software migration method that involves incremental implementation of a new system. A phased migration might be conducted either by implementing the entire new system in some locations or business units or by implementing separate modules of the system independently until the implementation is complete.

  • policy engine

    A policy engine is a software component that allows an organization to create, monitor and enforce rules about how network resources and the organization's data can be accessed.  

  • preventive maintenance

    Preventive maintenance is the practice of routinely taking measures in hardware administration that reduces the risk of failures and improves the likelihood of quick recovery in the event that a failure does occur.

  • Puppet (Puppet Labs)

    Puppet is an open source systems management tool for centralizing and automating configuration management. Administrators can encode the configuration of a service as a policy, which Puppet then monitors and enforces.

  • R

    RancherOS (Linux)

    RancherOS is a lightweight Linux operating system distribution that includes only the necessary libraries and services to deploy and scale containers.

  • Red Hat Atomic Host

    Red Hat Atomic Host is a variant of the Red Hat Enterprise Linux supported, open source operating system, designed to be a minimal OS with optimizations for container hosting.

  • rolling deployment

    A rolling deployment is the installation of software updates on one server or server subset at a time, rather than updating all servers or server subsets at the same time.

  • root cause analysis

    Root cause analysis is a way to determine how a problematic event occurred by examining why, how and when the casual factors happened after the fact.

  • S

    SaltStack

    SaltStack, also known as Salt, is a configuration management and orchestration tool.

  • serverless computing

    Serverless computing is an event-driven application design and deployment paradigm in which computing resources are provided as scalable cloud services.

  • ServiceNow

    ServiceNow is a cloud-based self-proclaimed “everything as a service” company focused on facilitating the management of IT services (ITSM), IT operations, IT business and software development.

  • shift left testing

    Shift left testing is an approach used to speed software testing and facilitate development by moving the testing process to an earlier point in the development cycle.

  • site reliability engineering (SRE)

    Site reliability engineering (SRE) is the application of scripting and automation to IT operations tasks such as maintenance and support. The goal of SRE is to swiftly fix bugs and remove manual work in rote tasks.

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