Trending questions in DevOps & Agile

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What is a docker file? How do I create a docker image with dockerfile?

 A Dockerfile is a script/text configuration file that contains ...READ MORE

Jun 7, 2019 in Docker by Sirajul
• 59,190 points
5,558 views
0 votes
1 answer

Ansible Error "ERROR! 'vars_files' is not a valid attribute for a PlaybookInclude"

vars_files is not supported for included playbooks ...READ MORE

Jun 3, 2019 in Ansible by Tara
5,766 views
0 votes
2 answers

How do I create a volume in kubernetes so that it doesn't get detroyed when pods die?

if you need to do this is ...READ MORE

Jul 26, 2020 in Kubernetes by Akash Gupta
2,945 views
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0 answers

Puppet+Docker: pull an image and launch a container

I am experimenting on integrating a containerization ...READ MORE

Aug 13, 2019 in Puppet by Sam
• 6,260 points
2,675 views
0 votes
1 answer

Puppet and Jenkins : Adding Jenkins slaves using puppet code.

You can automatically add slaves to jenkins, ...READ MORE

Aug 28, 2019 in Puppet by Sirajul
• 59,190 points
2,025 views
0 votes
1 answer

Creating a cron job in puppet

Running a Puppet agent with cron can ...READ MORE

Jul 29, 2019 in Puppet by Sirajul
• 59,190 points
3,322 views
0 votes
1 answer

Delete an object from a bucket - ansible playbook

You have to use the following task ...READ MORE

Aug 26, 2019 in Ansible by Hari
2,088 views
0 votes
1 answer

Can somebody explain the Puppet Architecture?

Puppet is configured in an agent-master architecture, in ...READ MORE

Jul 24, 2019 in Puppet by Sirajul
• 59,190 points
3,516 views
0 votes
1 answer
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
• 59,190 points
4,185 views
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While adding slave to master node then im getting an error as mentioned below

error execution phase preflight: couldn't validate the ...READ MORE

Aug 30, 2019 in Kubernetes by Sai kumar G
1,930 views
0 votes
1 answer

Puppet: Upgrading puppet modules

sudo puppet config print modulepath /etc/puppet/environments/production/modules:/etc/puppet/modules:/usr/share/puppet/modules puppet module ...READ MORE

Aug 30, 2019 in Puppet by Sirajul
• 59,190 points
1,906 views
+1 vote
1 answer

How to use a Volume to communicate between two Containers running in the same Kubernetes-Pod?

Create a Pod that runs two Containers Create a ...READ MORE

Jul 23, 2019 in Kubernetes by Sirajul
• 59,190 points
3,472 views
0 votes
0 answers

Error "script not found" when suing ansible playbook to start an application using pm2

I have written an ansible task to ...READ MORE

Sep 4, 2019 in Ansible by Tara
1,694 views
0 votes
1 answer

Puppet+Kubernetes : Error while applying a puppet manifest to add the kubernetes repository

I guess there isn't an issue with ...READ MORE

Aug 22, 2019 in Puppet by Sirajul
• 59,190 points
2,199 views
0 votes
1 answer

How to run selenium script with TestNG on Jenkins?

You can build this project in Jenkins ...READ MORE

Jun 19, 2019 in Jenkins by Neel
• 3,020 points
4,958 views
0 votes
1 answer

Puppet: How to install a module from a release tarball?

To install a module from a release ...READ MORE

Aug 26, 2019 in Puppet by anonymous
2,006 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
3,813 views
+2 votes
1 answer

jenkins automatic deploy

You could probably configure these 3 jobs ...READ MORE

Aug 29, 2019 in DevOps & Agile by Sirajul
• 59,190 points
1,771 views
0 votes
1 answer

stateful or stateless - which application are more useful for docker containers?

It is preferable to create a Stateless ...READ MORE

Jul 24, 2019 in Docker by Yamini
3,431 views
0 votes
1 answer

Puppet+Kubernetes: How do I use kubetool and what is it's significance in using kubernetes with puppet?

The module puppetlabs/kubernetes has Kubetool, which is ...READ MORE

Aug 21, 2019 in Puppet by Sirajul
• 59,190 points
2,186 views
0 votes
0 answers

how much time to take dashboard to run ?

kube-system   calico-kube-controllers-56ccd8fbd4-zq7x5   0/1     Pending   0          40m   <none> ...READ MORE

Sep 11, 2019 in Kubernetes by amit
1,304 views
0 votes
1 answer

Puppet: error on running sudo puppet agent -t

The puppetmaster process is the one attempting ...READ MORE

Aug 6, 2019 in Puppet by Sirajul
• 59,190 points
2,822 views
0 votes
1 answer

How to connect a docker container to user-defined bridge network?

When you create a new container, you ...READ MORE

Jul 3, 2019 in Docker by Sirajul
• 59,190 points
4,273 views
0 votes
1 answer

Does the rolling update with state full set replica=1 work?

No, because there is only 1 replica, ...READ MORE

Jul 19, 2019 in Kubernetes by Sirajul
• 59,190 points
3,571 views
0 votes
1 answer

Getting error when using Ansible playbook. error message: “msg”: “boto required for this module”

Hey @Vardhan, you're missing out on the ...READ MORE

Mar 29, 2019 in Ansible by Himanshu
8,402 views
0 votes
1 answer
0 votes
1 answer

What is the maximum limit of puppet agents that a Puppet server can handle?

 If scaling is a issue, you can ...READ MORE

Aug 29, 2019 in Puppet by Sirajul
• 59,190 points
1,713 views
0 votes
2 answers

Docker Network Nginx Resolver

I had the exact same error. Funny ...READ MORE

May 7, 2019 in Docker by Pallavi
12,617 views
0 votes
1 answer
0 votes
1 answer

Puppet: Error: Could not run: Could not retrieve facts for xxxxx: no implicit conversion of nil into String

I had the same error and the ...READ MORE

Aug 29, 2019 in Puppet by Sirajul
• 59,190 points
1,688 views
0 votes
1 answer

Puppet: String Interpolation in puppet

Try this for Keyword variable interpolation: $value = ...READ MORE

Aug 29, 2019 in Puppet by Sirajul
• 59,190 points
1,676 views
0 votes
1 answer

Puppetfile to configure/install a module

The Puppetfile is like a Ruby Gemfile, ...READ MORE

Aug 6, 2019 in Puppet by Sirajul
• 59,190 points
2,668 views
0 votes
1 answer

Managing a NTP service using Puppet

You’ve just  finished installing the puppetlabs-ntp module. The next step ...READ MORE

Jul 25, 2019 in Puppet by Sirajul
• 59,190 points
3,166 views
0 votes
1 answer

Can I launch a Puppet Server using the puppet/puppetserver-standalone docker image?

In order to launch a Puppet Server ...READ MORE

Aug 23, 2019 in Puppet by Sirajul
• 59,190 points
1,890 views
0 votes
1 answer

How do i configure my puppet server to be connected to an ENC?

You need to configure two settings to ...READ MORE

Aug 30, 2019 in Puppet by Sirajul
• 59,190 points
1,597 views
0 votes
1 answer

Error: Could not find declared class firewall at /etc/puppetlabs/code/environments/production/manifests/site.pp

The modules that you install on master need ...READ MORE

Aug 5, 2019 in Puppet by Sirajul
• 59,190 points
2,661 views
0 votes
1 answer

Kitematic rejects the login attempt, displays an error message: "Must be 4-30 lower case letters or numbers.

This error is very confusing as it ...READ MORE

Sep 6, 2019 in Docker by Kyraa
1,267 views
0 votes
1 answer

Puppet in Docker: How do I query PuppetDB API in a container setup?

PuppetDB exposes a dashboard, showing various operational ...READ MORE

Aug 20, 2019 in Puppet by Sirajul
• 59,190 points
1,983 views
0 votes
1 answer

What are the basic steps involved while using docker for application development?

All the steps below are based on ...READ MORE

Aug 26, 2019 in Docker by Sirajul
• 59,190 points
1,719 views
0 votes
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
• 59,190 points
3,487 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
• 59,190 points
3,778 views
0 votes
1 answer

Puppet in Docker : Building a Puppet environment in docker.

You can run your Puppet infrastructure on ...READ MORE

Aug 19, 2019 in Puppet by Sirajul
• 59,190 points
2,014 views
0 votes
1 answer

What is Blue Ocean in jenkins?

Blue Ocean is a project that redefines/rethinks ...READ MORE

Aug 26, 2019 in Jenkins by Sirajul
• 59,190 points
1,706 views
0 votes
0 answers

Need to Know Best institute for Devops Training ?????

DevOps is a set of software development practices ...READ MORE

Sep 3, 2019 in DevOps on Cloud by anonymous
1,398 views
0 votes
2 answers

keep container running on Kubernetes

Try using this CMD in your Dockerfile: CMD exec /bin/bash ...READ MORE

Aug 30, 2018 in Kubernetes by Nilesh
• 7,060 points
17,254 views
0 votes
1 answer

Puppet: What's the default logging setup in puppet?

We are using puppet-dashboard for this purpose. ...READ MORE

Aug 29, 2019 in Puppet by Sirajul
• 59,190 points
1,533 views
0 votes
1 answer

Puppet+Kubernetes: Setting up the environment to use kubernetes in puppet

As you have already installed the module, ...READ MORE

Aug 21, 2019 in Puppet by Sirajul
• 59,190 points
1,884 views