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.

  • R

    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.

  • remote server management

    Remote server management is a market segment that includes products and services that enable IT professionals to monitor and control data centers from offsite.

  • 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.

  • SecOps (DevSecOps)

    SecOps, also called DevSecOps, is a management approach that connects security and operations teams, similar to how DevOps unifies software developers and operations professionals.

  • serverless computing

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

  • service mesh

    A service mesh is a dedicated infrastructure layer that controls service-to-service communication over a network.

  • 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.

  • sidecar proxy

    A sidecar proxy is an application design pattern which abstracts certain features, such as inter-service communications, monitoring and security, away from the main architecture to ease the tracking and maintenance of the application as a whole.

  • 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.

  • software asset management (SAM)

    Software asset management (SAM) is the part of IT asset management that seeks to ensure compliance with license agreements and prevent overspending on software.

  • software-defined infrastructure control (SDIC)

    Software-defined infrastructure control (SDIC) is an analytics-driven approach to balancing the resources that application programs demand in virtual and cloud environments.

  • system operator (sysop)

    A sysop is the person who runs a computer server.

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