Devops Interview Preparation What tools do you use on a daily basis from the Linux perspective?I use a variety of tools on a daily basis, including bash, ssh, scp, rsync, and vim. What are inodes in Linux?Inodes in Linux are data structures that contain information about a file, such as its location on disk, permissions,...
Devops Interview Questions and Answers What are your typical daily responsibilities in your current role?As a DevOps engineer, my typical daily responsibilities include ensuring the smooth operation of our cloud-based infrastructure, deploying and managing applications, monitoring system performance, and collaborating with development teams to implement CI/CD pipelines. Where is your current project hosted?My current project...
sonarqube 9.9 LTS version installation along with java 17 version and Postgresql 15 version SonarQube is an open-source platform developed by SonarSource for continuous inspection of code quality to perform automatic reviews with static analysis of code to detect bugs and code smells on 29 programming languages. Programming language: Java Developer: SonarSource Initial release: 2006–2007 License: GNU Lesser General...
August 19, 2024
Fix Jenkins Connection Error: Change Port Number & Resolve 'Refused to Connect' Issue Troubleshooting Jenkins connection errors? Learn how to resolve the 'Refused to Connect' issue by changing the port number in this step-by-step tutorial. Perfect for Jenkins beginners and experienced users alike! https://www.youtube.com/watch?v=NqdhMHCCvss - Jenkins connection error - Refused to connect - Change port...
August 16, 2024
Here is a more detailed guide on how to install an application inside a Docker container by going inside the container: Step 1: Start the Container Before you can install an application inside a Docker container, you need to start the container. You can do this by running the following command: docker start <container_name> Replace...
August 9, 2024
Docker - Build Image from Dockerfile and push to dockerhub step by step tutorial. In this lecture we will first take a base Nginx image and run it locally then when we visit the localhost:8080 we will get the default nginx page. Next we will create index.html page and in Dockerfile we will copy customized...
Docker Hub to Container : Pull , Run and Deploy Step-by-step tutorial Pull Image from Docker Hub: command - docker pull repositoryname/imagename example: docker pull saifosys/saifosys:2.1.2-release Here the first saifosys is the repository name and the second saifosys is the image name followed by :2.1.2-release the tag name. The command docker pull saifosys/saifosys:2.1.2-release is used...
August 6, 2024
Docker Architecture The architecture used by Docker is client-server model. When building, running, and distributing the docker containers, the Docker daemon and the Docker client communicate. A remote connection can be established between the Docker client and daemon, or they can operate simultaneously on the same system. A UNIX socket or a network is used...
Comparison of Traditional infrastructure vs virtualization vs Docker containers Traditional VirtualizationContainersTraditionally, apps were deployed and operated on physical servers by organizations. This approach while simple had many limitations.1.Time Consuming2.Scaling problems3.Compatibility and Dependency issues4.Inconsistency across different environments.5.Overutilization by one app could crash the entire system6.Expensive to maintain physical serversVirtual Machine provides an abstraction of the physical hardware. A Hypervisor allows multiple Virtual Machines (VM)...
Deploy Jenkins from Docker to AWS using ECS Fargate with Load Balancer https://www.youtube.com/watch?v=ZhEGuDs6hR8
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