Glossary

Glossary

Term Definition Component Link
Active Directory Microsoft's proprietary directory service MKC SysEleven Documentation
Addon / add-on a piece of software that enhances or customizes an existing application or software MKC
API Application Programming Interface MKC
Auditing a security-relevant, chronological set of records documenting the sequence of actions in a cluster MKC Kubernetes Documentation
Autoscaler a component that adjusts the number or size of nodes or pods in line with demand in order to optimize the resource usage MKC SysEleven Documentation
AWS Amazon Web Services MKC
Azure Microsoft's public cloud service MKC
Blue / Green Deployments an application release model that gradually transfers user traffic from a previous version of an app or microservice to a nearly identical new release—both of which are running in production MKC
Canary deployments an application release model that releases an application or service incrementally to a subset of users MKC
CBK a SysEleven cloud region in Berlin, Germany MKC
CI/CD Continuous Integration / Continuous Delivery or Continuous Deployment MKC
CI/CD pipeline a series of steps that must be performed in order to deliver a new version of software MKC
CIDR Classless Inter-Domain Routing MKC
CIDR (notation) CIDR notation is a compact representation of an IP address and its associated network mask MKC
Cloud Controller Manager The goal of the cloud controller manager project is to decouple development of cloud features from the core Kubernetes project MKC Kubernetes Documentation
Cloud Native Computing Foundation (CNCF) an open source, vendor-neutral hub of cloud native computing, hosting projects like Kubernetes and Prometheus MKC Website: CNCF
Cluster a Kubernetes cluster in MKC MKC
Container a process that runs isolated from other processes on a host operating system MKC
CRUD abbreviation for CREATE, READ, UPDATE, DELETE MKC
CSI Container Storage Interface. A plugin for container orchestration which that allows storage suppliers to expose their products to containerized applications and persistent storage. MKC
DBL a SysEleven cloud region in Berlin, Germany MKC
DNS Domain Name System MKC
Docker a set of PaaS products that use OS-level virtualization to deliver software in packages called containers MKC
ECR Elastic Container Registry MKC
Egress outgoing traffic from a pod or a server / VM MKC
Elastic Stack (ELK Stack) a monitoring solution based on Elasticsearch, Logstash and Kibana MKC
FES a SysEleven cloud region in Frankfurt am Main, Germany MKC
Flatcar Flatcar Linux distribution MKC
Floating IPs a public, static IP address for instances created only in a private subnet MKC
Grafana a multi-platform open source analytics and interactive visualization web application MKC
Harbor an open source registry that secures artifacts with policies and role-based access control, ensures images are scanned and free from vulnerabilities, and signs images as trusted MKC Website: Harbor
Helm chart a distribution format for a related set of Kubernetes resources MKC
HTTP Hypertext Transfer Protocol MKC
IAM Identity Access Management MKC
(Container) Image Container images are executable software bundles that can run standalone and that make very well defined assumptions about their runtime environment. MKC
Ingress an API object that manages external access to the services in a cluster, typically HTTP MKC Kubernetes Documentation
JSON JavaScript Object Notation MKC
Kubelet The kubelet is the primary "node agent" that runs on each node MKC Kubernetes Documentation
Kubernetes Kubernetes is an open-source system for automating deployment, scaling, and management of containerized applications MKC
L7 LB Layer 7 (HTTP) Load Balancing MKC
Label labels are key/value pairs that are attached to objects, such as pods MKC Kubernetes Documentation
LDAP Lightweight Directory Access Protocol MKC SysEleven Documentation
Managed Service managed services is the practice ofoutsourcing the responsibility for maintaining, and anticipating need for, a range of processes and functions, ostensibly for the purpose of improved operations and reduced budgetary expenditures through the reduction of directly-employed staff MKC
Master Components the essential components to a Kubernetes cluster, see: Control Panel MKC
MKA MetaKube Accelerator MKA
MKC MetaKube Core MKC
MKO MetaKube Operator MKO
Node (anti-)affinity a property on Pods used for scheduling that attracts to or repels them from a set of nodes MKC
Octavia a CotS product that implements OpenStack Load Balancer API. MetaKube Core creates LBs through Kubernetes, they get "Octavia Load Balancers". MKC
PaaS Platform as a Service MKC
PersistentVolumeClaim (PVC) makes a persistent volume (PV) available for a Pod MKC
Pod Security Policy a cluster-level resource that controls security sensitive aspects of the pod specification MKC
Prometheus Prometheus is a free software application used for event monitoring and alerting MKC
PV / persistent volumes a PersistentVolume (PV) is a "logical representation" od a piece of storage that has been provisioned by an administrator or dynamically provisioned using Storage Classes MKC Kubernetes Documentation
RabbitMQ an open-source message-broker software MKC
Redis an open source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker MKC Website: REDIS
Region / cloud region a cloud region is the actual geographic location where your cloud resources are located MKC
ReplicaSet a ReplicaSet's purpose is to maintain a stable set of replica Pods running at any given time MKC
Resource Quotas the quotas of resources available to you in your region MKC
REST API / RESTful API Representational State Transfer API MKC
RWX Read Write Many volumes. Opposite to RWO (Read Write Once) MKC
SAML Security Assertion Markup Language MKC SysEleven Documentation
SCR SysEleven Container Registry: the managed registry for container images and Helm charts fromSysEleven MKC SysEleven Registry
SNAT Source Network Address Translation MKC
SSH Secure Shell MKC
Storage Classes a way for administrators to describe the "classes" of storage they offer MKC
Swagger a suite of tools for API developers MKC
Taints a property on Pods used for scheduling. Forbids scheduling or execution on Nodes without matching tolerations MKC
TCP Transmission Control Protocol MKC
Tolerations a property on Pods used for scheduling. Tolerations allow a Pod to be scheduled on a Node with matching taints MKC
Ubuntu a linux distribution based on Debian MKC Website: UBUNTU
UDP User Datagram Protocol MKC
UI User Interface MKC
Velero an open source tool to safely backup and restore, perform disaster recovery, and migrate Kubernetes cluster resources and persistent volumes MKC Website: Velero
VM Virtual Machine MKC
Weavescope a tool to automatically detects processes, containers, hosts MKC Website: Weavescope
Webhook a method of augmenting or altering the behavior of a web page or web application with custom callbacks. In the context of Kubernetes, a webhook refers to an "Admission webhook": an endpoint that fulfills "Admission Requests" for an action a user wants to carry out through the Kubernetes API MKC