Linux Kuriosity

1. What is Git ? Ans: Git is a distributed revision control and source code management system with an emphasis on speed. 2. Who developed Git ? Ans: Linux Torvalds 3. What is the use of the local repository ? Ans: Users can perform many operation with the local repository such as add file, remove file , rename file, move file, commit changes and many more. 4. What is blob ? Ans: A blob holds the file data but doesn't contain any metadata about the file. 5. In git what is Tree ? Ans: Tree is an object which represents a directory. Click on below for Devops technical interview QA book: https://amzn.to/2Lvihnh 6. In git what is commit ? Ans: Commit holds the current state of the repositiory. 7. In git what is branches ? Ans: Branches are used to create another line of development. 8. What is the difference between tags and branches ? Ans: Tags are very similar to branches but the difference is that tags are i...

1. Introduction a. Objective: Below problems help you to understand the installation process. b. Benefits: Able to install the docker from the package. 1. How to install docker in Ubuntu from the package? Ans: Step 1: Download the deb package https://download.docker.com/linux/ubuntu/dists/ Step 2: Install the package Command: sudo dpkg -i /path/to/package.deb 2. How to verify whether it is installed properly or not? Ans: Command: docker run hello-world 3. How to uninstall the docker? Ans: Step 1: Uninstall the Docker CE Package Command: sudo apt-get purge docker-ce Step 2: Delete all images, containers, and volumes. Command: sudo rm -rf /var/lib/docker 4. What is Docker? Ans: Docker is an open platform for developing, shipping and running applications. 5. What is Container? Ans: Docker provides the ability to package and run an application in a loosely isolated environment called a container. Click on be...

1. What is Django ? Ans: Django is a web development framework that help in building and maintainingquality web applications. 2. Who started Django ? Ans: Adrian Holovaty and Simon Willison 3. What are the advantages of using Django ? Ans: a. Object-Relational Mapping support b. Multilingual Support c. Framework Support d. Administration GUI e. Development Environment 4. MVC pattern is based on ________ components. Ans: Three a. Model b. view c. controller 5. In Django What is template ? Ans: The template is a HTML file mixed with Django template language. Click on below link for Devops Interview QA book: https://amzn.to/2YsiZah 6. How to test the django installation ? Ans: Command: django-admin.py --version 7. How to create a project in django ? Ans: Command: django-admin startproject myproject 8. What is manage.py file ? Ans: It is used to interacting with our project via command line. 9. Ho...

1. What is attribute ? Ans: Attribute specify the desired state of a given configuration resource.Each resource type has a different set of attributes and each attribute has its own set of allowed values. 2. How to invoke the puppet agent software ? Ans: We can invoke the agent software by running the puppet-agent command. 3. What is the role of puppet agent ? Ans: A puppet agent regularly performs puppet runs, wherein it sends facts to a puppet master and receives a configuration catalog, then applies the catalog to the local system using its providers. 4. Catalogs are compiled by whom ? Ans: Catalogs are compiled by a puppet master from manifests and agent-provided data as well as optional external data. 5. What are the two functions create relationships between classes ? Ans: require and contain functions Click on below link for Devops Interview QA book: https://amzn.to/2YsiZah 6. What is the role console in puppet ? Ans: P...

1. What are the basic terminologies in kubernetes ? Ans: a. container: runtime image of an image b. nodes: physical or virtual machines in a cluster c. pods: simple deployable unit in a kubernetes system, which runs containers and deployed inside nodes. d. cluster: collection of nodes acting as a single unit. e. master: node that manages worker nodes. f. workers: nodes that provide the place to run pods. 2. In kubernetes, how to maintain replicas and maintain the desired state at any point in time ? Ans: Deployment internally uses replicaset to maintain replicas and maintain the desired state at any point in time. 3. How to run one pod per node ? Ans: Daemonsets are used to run one pod per node. 4. How to run stateful applications ? Ans: Statefulsets are used to run stateful applications. 5. What is the use of ingress ? Ans: Ingress in kubernetes can be used as a wrapper for services. Click on below link for Devops Interview QA ...

1. What is backlog ? Ans: A backlog is a list of the outstanding user stories, bugs and features for a product or sprint. 2. What is Burndown chart ? Ans: A burndown chart shows the actual and estimated amount of work to be done in a sprint. The horizontal x-axis in a burndown chart indicates time and vertical y-axis indicates cards. 3. What is control chart ? Ans: A control chart can show the cycle time or lead time of your product, version or sprint. The horizontal x-axis in a control chart indicates time and the vertical y-axis indicates the number of days issues have spent in those statuses. 4. What is cumulative flow diagram ? Ans: A cumulative flow diagram is an area chart that shows the various statuses of work items for a particular time interval. 5. What is cycle time ? Ans: cycle time is the time spent working on an issue. Click on below link for Devops Interview QA book: https://amzn.to/2YsiZah 6. What is epic ? Ans: ...

1. What is Static code Analysis ? Ans: Static code analysis is a method of automating the debug process of source code before the program is executed. 2. What are the four steps in software development methodologies ? Ans: a. Plan b. Build c. Test d. Field 3. What are the four traditional stages of the code review cycle ? Ans: a. Establish goals b. Run the static analysis tool c. review the code d. bug fixing 4. What is fortify SCA ? Ans: Fortify SCA is a static application security testing (SAST) tool. It is used by developers and security professionals. 5. What are the features of the fortify analyzer ? Ans: a. Translates source code to intermediate translated format. b. scans the translated format and generates reports on the vulnerabilities. c. audits the results of the scan. Click on below link for Devops Interview QA book: https://amzn.to/2YsiZah 6. What are the reasons for the success of the fortify ? ...