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gh auth login

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curl -XGET --insecure -u 'admin:password' 'https://app-opensearch.domain.net:9200'

Indices

curl -XGET --insecure -u 'admin:admin' 'https://app-opensearch.domain.net:9200/_cat/indices'

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---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: test-client
  namespace: test-client
spec:
  selector:
    matchLabels:
      app: test-client

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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

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Set version

kubectl_version='1.29.2'

Install

curl -LO https://dl.k8s.io/v${kubectl_version}/bin/linux/amd64/kubectl
chmod +x kubectl
sudo mv ./kubectl /usr/bin/kubectl

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Array

• Two Sum
• Best Time to Buy and Sell Stock
• Contains Duplicate
• Product of Array Except Self
• Maximum Subarray
• Maximum Product Subarray
• Find Minimum in Rotated Sorted Array

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awk 'NF {sub(/\r/, ""); printf "%s\\n",$0;}' FILENAME

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import os, sys, time

pid = os.fork()

if pid == 0 :
    print("in child")
    sys.exit(0)
else :
    print("in parent")
    time.sleep(90)

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git ls-files '*/<FILENAME>'

git ls-files '**/argo-admin-clusterrole.yaml'

git ls-files '*argo-admin-clusterrole.yaml'

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bin/kafka-console-consumer.sh --bootstrap-server localhost:9092 --topic --from-beginning

In kafka container: cd /opt/bitnami/kafka/bin