Most voted questions in DevOps & Agile

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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
• 59,230 points
399 views
0 votes
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
1,916 views
0 votes
1 answer

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
475 views
0 votes
1 answer

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
• 59,230 points
867 views
0 votes
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
1,191 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
3,920 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
365 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
3,553 views
0 votes
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
• 59,230 points
3,560 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
• 59,230 points
749 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
• 59,230 points
578 views
0 votes
2 answers

How do I update all my pods if the image is changed but the tag is the same?

since K8s 1.15 kubectl rollout restart do the ...READ MORE

Jul 24, 2020 in Kubernetes by Mathieu V
6,817 views
0 votes
1 answer

Pods in Kubernetes

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

Jul 12, 2019 in Kubernetes by Sirajul
• 59,230 points
719 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
928 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
878 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
• 59,230 points
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
• 59,230 points
1,100 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
957 views
0 votes
0 answers
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
• 59,230 points
1,257 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
• 59,230 points
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
• 59,230 points
761 views
0 votes
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
• 59,230 points
1,140 views
0 votes
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
• 59,230 points
680 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
• 59,230 points
4,097 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
• 59,230 points
531 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
2,260 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
2,691 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
8,152 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
806 views
0 votes
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
• 59,230 points
12,127 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
724 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
4,553 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
853 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
10,547 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
• 59,230 points
1,761 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
1,818 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
3,102 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
748 views
0 votes
1 answer

How to change a node's availability?

Hey @jenny,  You can do the following in ...READ MORE

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

Can I bypass the routing mesh?

Yes. You can bypass the routing mesh, ...READ MORE

Jul 8, 2019 in Docker by Sirajul
• 59,230 points
1,282 views
0 votes
1 answer

what is routing mesh under docker swarm mode?

Routing Mesh is a feature which make ...READ MORE

Jul 8, 2019 in Docker by Sirajul
• 59,230 points
7,912 views
0 votes
1 answer

Adding nodes to a swarm

To Add Worker nodes : Open a terminal and ...READ MORE

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

What is a swarm and how to create a swarm?

A swarm consists of multiple Docker hosts ...READ MORE

Jul 8, 2019 in Docker by Nizam
594 views
0 votes
1 answer

What is the role of .dockerignore file?

To understand the role of .dockerignore file, ...READ MORE

Jul 5, 2019 in Docker by Sirajul
• 59,230 points
3,903 views
0 votes
1 answer

What are "docker secrets" and why is it necessary?

In terms of Docker Swarm services, a secret is ...READ MORE

Jul 5, 2019 in Docker by Sirajul
• 59,230 points
616 views
0 votes
1 answer

what are the different types of docker networking drivers ?

Docker’s networking subsystem is pluggable using drivers. ...READ MORE

Jul 5, 2019 in Docker by Sirajul
• 59,230 points
15,964 views
0 votes
1 answer

Switching from swarm to kubernetes for a node while using the "mixed" orchestrator type.

To change the orchestrator type for a ...READ MORE

Jul 5, 2019 in Docker by Sirajul
• 59,230 points
947 views
0 votes
1 answer

Which orchestrator would you recommend ? swarm or kubernetes?

Well, which orchestrator is best will depend ...READ MORE

Jul 5, 2019 in Docker by Sirajul
• 59,230 points
422 views
0 votes
1 answer

How does mixing Swarm and Kubernetes work in the same cluster?

Yes you could use them together. When you ...READ MORE

Jul 5, 2019 in Docker by Sirajul
• 59,230 points

edited Jul 6, 2019 by Sirajul 1,988 views