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Archives for July 2021

Understanding C Arrays: Their creation and manipulation, multi-dimensional arrays

by admin

We have seen how to create variables – integer, float, or character types, each variable is given a unique name and you can store one item under that name. Often, however, we need several similar items to be grouped under a single name. For example, marks scored by a student in different subjects, the salaries […]

Filed Under: C

Control Structures of C – for, while and do loops, if then else statements, switch statements

by admin

Here we learn about the control structures of C. The compiler normally takes the program line by line and executes them in a sequence ( one after another ). But this may not always be the case. Based on certain conditions existing in the data, we may want to change the data – Then we […]

Filed Under: C

Fundamentals of C Variables, data types, arithmetic expressions and Library functions

by admin

C has evolved from a succession of programming languages developed by Bell Laboratories in the early 1970s. The increasing popularity of the unix operating system, which has C as its “Standard” programming language, further enhanced the usefulness of C making it arguably the most popular of the programming languages. We now start with the fundamentals […]

Filed Under: C

“Error: Could Not Find A Ready Tiller Pod” – helm error

by admin

The Problem Getting “Error: could not find a ready tiller pod” error when trying various helm commands. > helm version Client: &version.Version{SemVer:”v2.14.3″, GitCommit:”0e7f3b6637f7af8fcfddb3d2941fcc7cbebb0085″, GitTreeState:”clean”} Error: could not find a ready tiller pod The Solution This error is caused due to wrong configuration or version mismatch. Follow the procedure to install helm and tiller using the […]

Filed Under: DevOps, Kubernetes

How to schedule master node running pod/service as worker node

by admin

Question: How to Schedule Master Node to Run Pod Workloads Like the Worker Node? By default, only the worker node can run the pod workloads and the master is only responsible for the scheduling and configuration. $ kubectl get nodes -o json | jq .items[].spec.taints [ { “effect”: “NoSchedule”, “key”: “node-role.kubernetes.io/master” } ] $ kubectl […]

Filed Under: DevOps, Kubernetes

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