Skip to main content

Posts

Showing posts from July, 2024

AWS cloud practitioner notes

 AWS Certified cloud practitioner: What is cloud computing? cloud computing is the on demand delivery of the compute power, database storage, applications and other IT resources through a cloud services platform with pay-as-you-go pricing. you can provision exactly the right type and size of the computing resources you need. you can access many resources as you need almost instantly like servers, storage,databases and application services as well. Amazon web services owns and maintains the network connected hardware required for these application services, while you provision and use what you need via a web application. ***************************************** Deployment models of Cloud: Private Cloud: Cloud service used by a single organisation, not exposed to the public. complete control. security of the sensitive applications meeting specific business needs. ********************** Public Cloud: Cloud resources owned and operated by the third party. cloud service provider delivers r

Devops for beginners

 Devops: Software development life cycle: 1.requirement gathering 2.planning 3.design 4.development 5.testing 6.deployment and maintenance ################### Models in SDLC: 1. Waterfall model 2.Agile 3.Spiral 4.Big bang ###################### Waterfall method: once 1 step is completed then only we go to 2nd step. 1.requirement gathering 2.planning 3.design 4.development 5.testing 6.deployment and maintenance ################# Agile: waterfall model is repeated many times until clients needs are satisfied. ############# Continuous Integration : Scenario : developers write the several lines of code everyday creating the software. this code should be stored somewhere at the centralized place. This centralized repository called as the version control system like github. everyday developers push and pull the code from such repositories. code changes or the code commits happens continously. On the repository, this code will be built, tested and evaluated. artifacts/software is the bundle