Key Value PairSyntax= Key: Value (Note the space after the colon: sign)Examples=Rocket: StarshipFuel: MethaloxEngine: Raptor2 Array/Lists (Note the dash- sign, this indicates is an element of an array)Examples=Rockets:- SaturnV- Falcon9- Ariane5 Planets:- Earth- Mars- Venus… Read More »YAML-Basics
Within a Kubernetes Cluster, every pod can reach every other pod –> POD Networking Solution : Internal Virtual Network (Default VxLAN) to which all connect too.But where does a certain application live. It could have… Read More »Kube-Proxy
The following Word Template and associated Access Database allows to create the commands to execute on the Dell Switches where the L3 gateways reside. The example is mainly based on 4 gateways, 2 per DC.
Warning : The syntax may be looking dangerous when coming from a Cisco Environment. But this is how it works. In order to add a VLAN to a trunk you just need this command.switchport trunk… Read More »Add/Remove a VLAN from a Trunk port on a Dell OS10 Switch
This document is based on the following page. It also supposes your switch came directly from the box. Connect the switch with the console port (backside of switch) with a serial cable.Make sure you use… Read More »Dell S5224F-ON OS10 Upgrade
Decides which pod goes on which node? (keeping defined constraints in mind.)Example : Multi-step approch for decisionStep 1. Remove all nodes from decisiontree that are not able to furfill the requested amount of resources.Step 2.… Read More »Kube Scheduler
Watches for Status Changes and Remediates these in the different controllers.There controllers can be – Nodes– Replication– Deployment– Namespace– Endpoint…All of these, including the Manager are all in one package that runs as a service… Read More »Kube Controller Manager
The API Server serves as the cluster gateway and is the entry point for all external user commands to the cluster.The API Server acts as a gatekeeper for authentication, ensuring that only authenticated and authorized… Read More »Kube-API Server
ETCD is a Distributed Key Value Datastore.Distributed=It resides on multiple synced systems A Key Value Datastore stores information from key-value data pairs in a hierarchical fashion like a file-system.Examples : WorkersName = “John Doe” ;… Read More »ETCD in Kubernetes