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Arun M. Krishnakumar arunmk

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arunmk / LICENSE
Created February 3, 2025 21:59 — forked from shaneutt/LICENSE
Golang: Demonstrate creating a CA Certificate, and Creating and Signing Certs with the CA
This is free and unencumbered software released into the public domain.
Anyone is free to copy, modify, publish, use, compile, sell, or
distribute this software, either in source code form or as a compiled
binary, for any purpose, commercial or non-commercial, and by any
means.
In jurisdictions that recognize copyright laws, the author or authors
of this software dedicate any and all copyright interest in the
software to the public domain. We make this dedication for the benefit
@arunmk
arunmk / nginx-hello-world-deployment.yaml
Created July 1, 2024 21:07 — forked from sdenel/nginx-hello-world-deployment.yaml
Kubernetes: a simple Nginx "Hello world" deployment file
# To deploy: kubectl create -f nginx-hello-world-deployment.yaml
# Access it with the API as a proxy:
# $ kubectl proxy
# Then in you browser: http://localhost:8001/api/v1/namespaces/default/services/nginx:/proxy/#!/
apiVersion: v1
kind: Service
metadata:
name: nginx
spec:
@arunmk
arunmk / GitConfigHttpProxy.md
Created September 13, 2022 16:29 — forked from evantoli/GitConfigHttpProxy.md
Configure Git to use a proxy

Configure Git to use a proxy

In Brief

You may need to configure a proxy server if you're having trouble cloning or fetching from a remote repository or getting an error like unable to access '...' Couldn't resolve host '...'.

Consider something like:

@arunmk
arunmk / pvc-sc.yaml
Created January 19, 2022 16:21
---
kind: StorageClass
apiVersion: storage.k8s.io/v1
metadata:
annotations:
storageclass.kubernetes.io/is-default-class: "true"
name: vcd-disk-dev
provisioner: named-disk.csi.cloud-director.vmware.com
reclaimPolicy: Delete
parameters:
@arunmk
arunmk / missing-rules-for-configmaps.md
Created August 16, 2021 05:22

Setup Dev Environment

Assumptions:

  • cluster-api repo is cloned to ${GOPATH}/src/sigs.k8s.io/cluster-api
  • All commands run from cluster-api repo root folder

Build a node image using specific version

@arunmk
arunmk / self-signed-certificate-with-custom-ca.md
Created April 25, 2021 11:12 — forked from fntlnz/self-signed-certificate-with-custom-ca.md
Self Signed Certificate with Custom Root CA

Create Root CA (Done once)

Create Root Key

Attention: this is the key used to sign the certificate requests, anyone holding this can sign certificates on your behalf. So keep it in a safe place!

openssl genrsa -des3 -out rootCA.key 4096
@arunmk
arunmk / 1_kubernetes_on_macOS.md
Created February 14, 2021 06:37 — forked from kevin-smets/1_kubernetes_on_macOS.md
Local Kubernetes setup on macOS with minikube on VirtualBox and local Docker registry

Requirements

Minikube requires that VT-x/AMD-v virtualization is enabled in BIOS. To check that this is enabled on OSX / macOS run:

sysctl -a | grep machdep.cpu.features | grep VMX

If there's output, you're good!

Prerequisites

@arunmk
arunmk / nginx-config-1.yaml
Created February 3, 2021 22:54 — forked from anudeepmk/nginx-config-1.yaml
Demo files from NGINX Conf 2018 Using NGINX as a Kubernetes Ingress Controller talk
kind: ConfigMap
apiVersion: v1
metadata:
name: nginx-config
namespace: nginx-ingress
data:
worker-processes: "1"
log-format: '[$time_local] $remote_addr "$request" $status "$upstream_response_time"'
@arunmk
arunmk / .bash_prompt.sh
Created December 14, 2020 17:51 — forked from miki725/.bash_prompt.sh
Custom bash prompt which displays: (virtualenv) user:/path (git-branch)
#!/bin/bash
#
# DESCRIPTION:
#
# Set the bash prompt according to:
# * the active virtualenv
# * the branch of the current git/mercurial repository
# * the return value of the previous command
# * the fact you just came from Windows and are used to having newlines in
# your prompts.
@arunmk
arunmk / Install protobuf 3.6.1 on Ubuntu 16.04
Created June 4, 2020 02:35 — forked from ryujaehun/Install protobuf 3.6.1 on Ubuntu 16.04
Install protobuf 3.6.1 on Ubuntu 16.04
#! /bin/bash
# Make sure you grab the latest version
curl -OL https://github.com/google/protobuf/releases/download/v3.6.1/protoc-3.6.1-linux-x86_64.zip
https://github.com/google/protobuf/releases/download/v3.6.1/protoc-3.6.1-linux-x86_64.zip
# Unzip
unzip protoc-3.6.1-linux-x86_64.zip -d protoc3
# Move protoc to /usr/local/bin/
sudo mv protoc3/bin/* /usr/local/bin/