Archives for DevOPS
Top 10 DevOps Interview Questions
Top 10 DevOps Interview Questions I have listed down top 10 DevOps interview questions on few topics like, Git, Maven, Jenkins, Docker, Kubernetes, Ansible. What is the need for DevOps?…
HDFS Cheat Sheet
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,…
Jenkins Questions and Answers
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…
Types of Jobs in Jenkins
Types of Jobs in Jenkins We can create below types of jobs in Jenkins. Freestyle Project PipelineMulticonfiguration ProjectsFolder GitHub organization Mutlibranch Pipeline
How to install Jenkins on Windows 10?
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…
Popular Use Cases of Jenkins
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…
How to get process ID of background process?
I usually prefer to execute process in background so that we don't need to worry if terminal got killed due to timeout or accidently. However, what if you want to…
How to check certificate validity in Linux?
This article help you to check certificate expiry date from Linux command line using openssl utility. Check SSL certificate expiration date Syntax: openssl x509 -enddate -noout -in <certificate name> openssl…
[Warning] IPv4 forwarding is disabled. Networking will not work
IPv4 forwarding is disabled WARNING I was facing this issue while creating a Docker image in Centos 7. Error: ---> IPv4 forwarding is disabled. Networking will not work. Solution: Add…
Could not resolve host: mirrorlist.centos.org Centos 7
I have installed Centos 7 in Vmware WorkStation. I tried to install few new packages using yum install. However, I was getting error "Could not resolve host: Centos 7" [root@localhost…
