Most answered questions in DevOps & Agile

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Kubernetes: Can we use multiple claims out of a persistent volume?

The mapping between persistentVolume and persistentVolumeClaim is ...READ MORE

Jul 16, 2019 in Kubernetes by Sirajul
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5,644 views
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1 answer

How to monitor that a pod is always running?

We can introduce probes.  A liveness probe with ...READ MORE

Jul 16, 2019 in Kubernetes by Sirajul
• 59,230 points
1,860 views
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How do i tie a service to a pod or a set of pods?

By declaring pods with the label(s) and ...READ MORE

Jul 16, 2019 in Kubernetes by Sirajul
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1,399 views
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1 answer

if a node is tainted, is there a way to still schedule the pods to that node?

When a node is tainted, the pods ...READ MORE

Jul 16, 2019 in Kubernetes by Sirajul
• 59,230 points
1,329 views
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1 answer

What is meant by federated cluster?

Cluster federation is conceptually simple. You aggregate multiple ...READ MORE

Jul 16, 2019 in Kubernetes by Sirajul
• 59,230 points
2,226 views
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What is a service role in kubernetes components?

A service is an abstraction for pods. ...READ MORE

Jul 16, 2019 in Kubernetes by Sirajul
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529 views
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Kubernetes "secrets"

A Secret is an object that contains ...READ MORE

Jul 16, 2019 in Kubernetes by Sirajul
• 59,230 points
375 views
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1 answer

What is a Resource Quota in Kubernetes?

A resource quota, defined by a ResourceQuota ...READ MORE

Jul 16, 2019 in Kubernetes by Sirajul
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1,089 views
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1 answer

Storage Classes in Kubernetes

A StorageClass provides a way for administrators ...READ MORE

Jul 16, 2019 in Kubernetes by Sirajul
• 59,230 points
433 views
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Is it possible to route the traffic from outside the kubernetes cluster directly to the pods?

Yes, it is possible to route traffic ...READ MORE

Jul 16, 2019 in Kubernetes by Sirajul
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1,251 views
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1 answer

How is Kubernetes related to Docker?

Though we compare Docker Vs Kubernetes, it ...READ MORE

Jul 15, 2019 in Kubernetes by Sirajul
• 59,230 points
889 views
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1 answer

How does a load balancer service work?

Cloud Provider normally sets up LoadBalancer as ...READ MORE

Jul 15, 2019 in Kubernetes by Sirajul
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399 views
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1 answer

What are the container hooks available in kubernetes?

The hooks enable Containers to be aware ...READ MORE

Jul 15, 2019 in Kubernetes by Sirajul
• 59,230 points
1,923 views
0 votes
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how can we prioritize pods and preempt them?

A PriorityClass is a non-namespaced object that ...READ MORE

Jul 15, 2019 in Kubernetes by Sirajul
• 59,230 points
476 views
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Can pods mount NFS volume?

Yes, there's an example here of both ...READ MORE

Jul 15, 2019 in Kubernetes by Sirajul
• 59,230 points
3,131 views
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Is it possible to force the pod to run on a specific node?

By default, anti-affinity is not attempted by ...READ MORE

Jul 15, 2019 in Kubernetes by Sirajul
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899 views
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1 answer

What is KUBE proxy?

The Kubernetes network proxy runs on each ...READ MORE

Jul 15, 2019 in Kubernetes by Sirajul
• 59,230 points
1,199 views
0 votes
1 answer

What happens when a master or worker node fails?

Whenever master node under kubernetes fails, the ...READ MORE

Jul 15, 2019 in Kubernetes by Sirajul
• 59,230 points
3,924 views
0 votes
1 answer

Stateful Sets in Kubernetes

During regular deployment process, all the instances ...READ MORE

Jul 15, 2019 in Kubernetes by Sirajul
• 59,230 points
370 views
0 votes
1 answer

how to debug a pending pod?

Pending pod cannot be scheduled onto a ...READ MORE

Jul 15, 2019 in Kubernetes by Sirajul
• 59,230 points
3,556 views
+1 vote
1 answer

Build Docker image for PHP Web application - ADD failed

Thank you Sirajul Yes, I have changed it ...READ MORE

Jul 15, 2019 in Docker by limcw
• 270 points
2,234 views
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1 answer

Is it possible for containers within a pod to communicate with each other?

Yes, it is possible for containers to ...READ MORE

Jul 12, 2019 in Kubernetes by Sirajul
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3,564 views
0 votes
1 answer

How can i get all the pods on a node?

You can use the following command to ...READ MORE

Jul 12, 2019 in Kubernetes by Sirajul
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754 views
0 votes
1 answer

How do I expose a service to a host outside the cluster?

There are two ways by which we ...READ MORE

Jul 12, 2019 in Kubernetes by Sirajul
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578 views
0 votes
1 answer

Pods in Kubernetes

Pod is a single or bunch of ...READ MORE

Jul 12, 2019 in Kubernetes by Sirajul
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722 views
0 votes
1 answer

Why should I use Kubernetes?

With the advent of microservice architecture, users ...READ MORE

Jul 12, 2019 in Kubernetes by Sirajul
• 59,230 points
935 views
0 votes
1 answer

How to rollback a deployment?

Applying changes to a Deployment process with ...READ MORE

Jul 12, 2019 in Kubernetes by Sirajul
• 59,230 points
891 views
0 votes
1 answer

How to determine what is the status of a deployment ?

You could use kubectl get deployment <deployment>.  If ...READ MORE

Jul 12, 2019 in Kubernetes by Sirajul
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483 views
0 votes
1 answer

How does DNS work in kubernetes?

DNS is a built-in service in Kubernetes. ...READ MORE

Jul 12, 2019 in Kubernetes by Sirajul
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1,110 views
0 votes
1 answer

How to build a high availability cluster in Kubernetes?

Add nodes in a HA cluster in ...READ MORE

Jul 12, 2019 in Kubernetes by Sirajul
• 59,230 points
963 views
0 votes
1 answer

How does Kubernetes simplify containerized application deployment process?

A application deployment requires , web tier ...READ MORE

Jul 11, 2019 in Kubernetes by Sirajul
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1,266 views
0 votes
1 answer

What is a Kubelet?

Each node runs services to run containers ...READ MORE

Jul 11, 2019 in Kubernetes by Sirajul
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1,599 views
0 votes
1 answer

Kubernetes Objects and Workloads.

Kubernetes object model provides set of features ...READ MORE

Jul 11, 2019 in Kubernetes by Sirajul
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770 views
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1 answer

What all components is the Master server in Kubernetes made up of?

Kubernetes is a combination of multiple parts ...READ MORE

Jul 11, 2019 in Kubernetes by Sirajul
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1,145 views
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1 answer

What all packages do i need to install to use kubernetes on my machine?

Install below packages on all of your ...READ MORE

Jul 11, 2019 in Kubernetes by Sirajul
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683 views
0 votes
1 answer

Why do I get Connection reset by peer when making a request to a service running in a container?

Typically, this message is returned if the ...READ MORE

Jul 10, 2019 in Docker by Sirajul
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4,099 views
0 votes
1 answer

Could you demonstrate a simple docker puppet integration?

Here's a simple demo of puppet-docker example: Assuming you ...READ MORE

Jul 10, 2019 in Docker by Sirajul
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532 views
0 votes
1 answer

Is there a way to override the default dockerfile when i try to build a container using build() in a jenkins pipeline?

You can pass other arguments to docker build ...READ MORE

Jul 9, 2019 in Docker by Sirajul
• 59,230 points
2,262 views
0 votes
1 answer

How to cache data for containers?

Many build tools like maven etc, will ...READ MORE

Jul 9, 2019 in Docker by Sirajul
• 59,230 points
2,698 views
0 votes
1 answer

Build a container in Jenkins via "docker pipeline plugin"

In order to create a Docker image, ...READ MORE

Jul 9, 2019 in Docker by Sirajul
• 59,230 points
8,153 views
0 votes
1 answer

Using a custom registry instead of default dockerhub registry

By default the "Docker pipeline" integrates assumes the ...READ MORE

Jul 9, 2019 in Docker by Sirajul
• 59,230 points
808 views
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1 answer

How to start a docker daemon manually?

The daemon includes many configuration options, which ...READ MORE

Jul 9, 2019 in Docker by Sirajul
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12,135 views
0 votes
1 answer

Provision a docker-machine on Rackspace

When Docker Machine provisions containers on local ...READ MORE

Jul 9, 2019 in Docker by Sirajul
• 59,230 points
725 views
0 votes
1 answer

How to mount directories from a docker-machine to my local host?

You could do this using the docker-machine ...READ MORE

Jul 9, 2019 in Docker by Sirajul
• 59,230 points
4,565 views
0 votes
1 answer

Why do my services take 10 seconds to recreate or stop?

Docker compose stop attempts to stop a ...READ MORE

Jul 9, 2019 in Docker by Sirajul
• 59,230 points
854 views
0 votes
1 answer

How to enable forwarding from docker containers to the outside world?

By default, traffic from containers connected to ...READ MORE

Jul 8, 2019 in Docker by Sirajul
• 59,230 points
10,563 views
0 votes
1 answer

What is the way to configure the default bridge network?

To configure the default bridge network, you need to specify ...READ MORE

Jul 8, 2019 in Docker by Sirajul
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1,764 views
0 votes
1 answer

How to revert changes to a service's configuration?

In order to roll back the service ...READ MORE

Jul 8, 2019 in Docker by Sirajul
• 59,230 points
1,829 views
0 votes
1 answer

using docker-compose with docker-swarm : can swarm build an image from a dockerfile?

Yes, you could integrate the two of ...READ MORE

Jul 8, 2019 in Docker by Sirajul
• 59,230 points
3,111 views
0 votes
1 answer

How do I create a service using an image from a private registry?

Hey @Ruby, If your image is available ...READ MORE

Jul 8, 2019 in Docker by Sirajul
• 59,230 points
752 views