Let’s understand what is the recursion in programming with reverse string in Python program Recursion is a process by which a function calls itself directly or indirectly. The corresponding function is called as recursive function When Should I use Recursion ? Recursion is made for solving problems that can be broken down into smaller, repetitive problems. It is especially…
List of commands which I use day to day basis to perform my task in HDFS. Checkout below hdfs cheat sheet for reference. In below list I have covered Copy, Move, Check file/directory size, Change ownership of file/group, delete the files and directories etc. HDFS Cheat Sheet hdfs dfs -ls / list of all files…
Please find below list of Shell Script Questions and Answers. Shell Script Questions and Answers 1. Given two integers, X and Y , find their sum, difference, product, and quotient. Constraints X >= -100 Y <= 100 and Y != 100 read X case ${X#[-+]} in *[!0-9]* | ”) echo “Not an integer” ;; esac read Y…
Steps to Install Elasticsearch on centos 7 Prerequisites: Install OpenJDK 8 version sudo yum install java-1.8.0-openjdk.x86_64 Validate the installation java -version If you are installing jdk manually from tar file then make sure if you have configure the JAVA_HOME path correctly. Install Elasticsearch Latest version using Yum. Import the Elasticsearch GPG Key rpm –import https://artifacts.elastic.co/GPG-KEY-elasticsearch…
Jenkins Questions and Answers Here are the list of Jenkins Questions. What is the Jenkins ? How you will use Jenkins to automate CI/CD ? How to configure your Github or Bitbucket repository to trigger the build when any changes happen in code ? Please explain all the steps to integrate SonarQube scan with Jenkins…
Types of Jobs in Jenkins We can create below types of jobs in Jenkins. Freestyle Project Pipeline Multiconfiguration Projects Folder GitHub organization Mutlibranch Pipeline
What is Jenkins? Jenkins is one of the most popular Continuous Integration (CI) and Continuous Delivery (CD) tool. Jenkins is Open Source written in Java. Jenkins can be used in automation of any task related to build, test and deployment of an application. Prerequisites to Install Jenkins Java – JRE/JDK 8 or 11 Minimum hardware…
Jenkins is one of the most popular Continuous Integration (CI) and Continuous Delivery (CD) tool. Jenkins is an Open Source build written in Java. Jenkins can be used in automation of any task related to build, test and deployment of an application. Please find some of popular use cases in Jenkins. Some Popular Use Cases…
Jenkins is one of the most popular Continuous Integration (CI) and Continuous Delivery (CD) tool. Jenkins is an Open Source build written in Java. Jenkins can be used in automation of any task related to build, test and deployment of an application. Why we need Jenkins ? Use Case 1: Continuous Integration If you are…
Check if array contains value in shell script Here is simple bash script to check if array contains value . We can iterate over array and check if value is exist or not but we can also check in if condition if array contains value or not. Use this solution, If array value doesn’t contains…
