Assignment – 1 1. What is ReplicasSets? A ReplicaSet is a process that runs multiple instances of a Pod and keeps the specified number of Pods constant. Its purpose is to maintain the specified number of Pod instances running in a cluster at any given time 2. How to work with ReplicasSets?  It is defined with fields. If we give the number of replicas in yaml file it will created those many. When a ReplicaSet needs to create new Pods,

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An application server is a type of server that is designed to install ,host and operate applications and associated services for end users, organizations and IT services . It gives the facility to the hosting and delivery of high-end consumer or business applications, which are used by multiple and simultaneously connected local or remote users. What is Application Server examples… Few examples of application servers are as follows.. web server media bussiness logic web server integration APIs ascyrnomous javascript mobile

Assignment – 1 Post@BestDevOps.com with Preferred Post TitleWhat is ReplicasSets?How to work with ReplicasSets?Example of ReplicasSets? Assignment – 2 Post@BestDevOps.com with Preferred Post TitleWhat is DeamonSets?How to work with DeamonSets?Example of DeamonSets? Assignment – 3 Post@BestDevOps.com with Preferred Post TitleWhat is Statefulsets?How to work with Statefulsets?Example of Statefulsets? Assignment – 4 What is Service?How Service Works?What are the types of Service?Example Yaml of Service Assigment5 What is Loadbalancer?What are the types of Loadbalancer?How Loadbalancer works? Assigment6 What is Discovery Services?How

Replication + Controller = ReplicasSets versioning rollout = V1 to V2 of the POD without downtime rollback = V2 to V1 of the POD without downtime This is a MOST popular Api Resources used to Deploy Stateless POD. Deployment == Managed by ==> ReplicasSets == Control ==> PODS ReplicasSets = replicationcontroller+++++++

I want to create 1000s of SIMILAR PODS? ReplicationController – ReplicasSets – DeploymentStatefulsets – Deamonsets ReplicationController A ReplicationController ensures that a specified number of pod replicas are running at any one time. In other words, a ReplicationController makes sure that a pod or a homogeneous set of pods is always up and available. Replication– ONE PODs would replicate(SCALE) to X number of PODSController– This controller would control #of ACTUAL PODS === #of Desire PODS– If mis-matched – report back to

What is web server ? A web server is software and hardware that uses the Hypertext Transfer Protocol, known as HTTP, and other protocols that respond to request from clients that is being made on the World Wide Web. The main work is that the webserver performs is to display the content of the website, which it does by storing, then processing, and eventually delivering the webpages to the user who has requested it.  Types of the web server ?

Login to you twilio conlsole application and go to whatsapp section Using Twilio Phone Numbers with WhatsApp On WhatsApp, users message each other using phone numbers. To send and receive WhatsApp messages using the Twilio Programmable Messaging API, you’ll need a phone number as well. The Twilio API addresses WhatsApp users and your numbers, using the following prefixed address format: whatsapp:<E.164 formatted phone number> Enabling WhatsApp with a Twilio Number To use WhatsApp messaging in production apps, you must enable

Troubleshooting and Debugging Commands: explain Documentation of resources describe Show details of a specific resource or group of resources logs Print the logs for a container in a pod attach Attach to a running container exec Execute a command in a container port-forward Forward one or more local ports to a pod cp Copy files and directories to and from containers. auth Inspect authorization run Run a particular image on the cluster explain Documentation of resources — describe Show details

Kubernetes run PODS Atomic Unit of Work Scheduling is POD in kubernetes Pod get instansciated from Kubelet Pod contains one or more container e.g docker Pod get assignment of IP from kube proxy Worker may have one or multiple pods Pods is Scheduled to kubelet by Schedular Pods are EMPHERAL. Same POD can not be run. Similar pods you may get PODS is running state as long as “All Container” is running/succeded. Pods has state from PEDNING -> RUNNING ->

CODE EDITOR Code editors are the software that is designed usually to help developers for coding. These are the text editors with some additional functionalities to manage and edit code. It can be a part of an IDE. By Using the code editor can improve the speed of coding. Which editor you will use for coding? From my openion i will personally use vs code for codding it provides lots of functionalities and easy to use. What is the most

By Akhil Features of Kubernetes Automated rollouts and rollbacks Storage orchestration Self-healing Service discovery and load balancing Batch execution Horizontal scaling Container grouping using pod Auto scalability DNS management Resource monitoring and logging How Kubernetes Works ? What are the components of Master? Master has 4 components API Server Scheduler Controller-Manager etcd What are the components of worker node ? kubelet kube-proxy POD which inturn has containers Components of Workstation kubectl json/yaml file creation

Kubernetes Lab Day5-Suresh Master Node : WorkerNode

Master API Server Cluster store  (ETCD)   Controller manager Scheduler Worker Kubler Docker Kube-proxy Workstation kubectl

What is POD ?

What are the 10 feature of kubernetes? How kubernetes works? What are the components of Master? explain in one line sentense What are the components of Worker/Node/Agent What are the components of Workstation?

Only for Serious Engineers of DevOps/DevSecOps/SRE/DataOps/AIOps Hello Everyone,I have been getting repeated emails on why registration is now allowed at bestdevops.com? This was just to avoid spam but now, I have enabled registration as an AUTHOR for this community and ONLY for 24 hours. So, Now you can also edit-write-share tutorials on bestdevops.com and share with the whole world. Lets Learn, Do it & Share! That’s DevOps!!! Home Page – https://www.bestdevops.com/ How to register? – https://www.bestdevops.com/wp-login.php?action=register How to login –