Trending questions in DevOps & Agile

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how to deploy docker images to deploy servers using jenkinsfile

Hi, You can do this in multiple ways. ...READ MORE

Sep 1, 2020 in DevOps & Agile by MD
• 95,460 points
• 2,591 views
0 votes
1 answer

How to launch an EC2 instance using Ansible Playbook?

Hi@akhtar, Ansible has one module named ec2. This ...READ MORE

Aug 12, 2020 in Ansible by MD
• 95,460 points
• 3,459 views
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2 answers

Can Jenkins detect and build new tags from Git repository?

Yes, this can be done in 3 ...READ MORE

Jun 25, 2019 in DevOps Tools by Neel
• 3,020 points
• 20,424 views
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1 answer

How to connect docker nodes with ansible master ?

Hi@akhtar, You need a running container first, and ...READ MORE

Aug 27, 2020 in Ansible by MD
• 95,460 points
• 2,789 views
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1 answer

How to add ConfigMap data to a Volume in a Pod?

Hi@akhtar, When you create a ConfigMap using --from-file, the ...READ MORE

Aug 31, 2020 in Kubernetes by MD
• 95,460 points
• 2,601 views
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1 answer

How to delete a remote Git tag?

Hi@MD, It is very simple to delete a ...READ MORE

Sep 4, 2020 in Git & GitHub by akhtar
• 38,260 points
• 2,422 views
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1 answer

Can anyone tell me How Jira is Important in DevOps??

You should learn what Jira is and ...READ MORE

Sep 21, 2020 in DevOps Tools by Camey
• 1,670 views
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1 answer

How to configure Grafana on Docker?

Hi@akhtar, You need to pull the Grafana image ...READ MORE

Sep 7, 2020 in Docker by MD
• 95,460 points
• 2,257 views
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1 answer

How to install httpd web server in remote node using Ansible?

Hi@akhtar, You need to use the package module in Ansible. ...READ MORE

Jul 30, 2020 in Ansible by MD
• 95,460 points
• 3,889 views
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1 answer

error creating aufs mount to /var/lib/docker/aufs/mnt/6c1b42ce1a98b1c0f2da7f1-init: invalid argument

Hi@akhtar, To solve this error, you have to ...READ MORE

Apr 16, 2020 in Docker by MD
• 95,460 points
• 8,392 views
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1 answer

How to add display name in the OpenShift project?

Hi@akhtar, You can add a display name or ...READ MORE

Aug 18, 2020 in DevOps Tools by MD
• 95,460 points
• 3,039 views
+2 votes
1 answer

stderr: remote: Invalid username or password.

Hi@akhtar, If your code is available in jenkins ...READ MORE

May 7, 2020 in Jenkins by MD
• 95,460 points
• 7,395 views
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1 answer

Not able to Lunch agent with help of both wat lunc agaent and command line.

Hi@Manoranjan, You need to click on the launch ...READ MORE

Sep 14, 2020 in Jenkins by MD
• 95,460 points
• 1,871 views
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bash: mvn: command not found.Failed to search for file: Cannot update read-only repo

Hi@akhtar, You got this error because you didn't ...READ MORE

Jun 3, 2020 in DevOps & Agile by MD
• 95,460 points
• 6,252 views
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1 answer

How to import files in Ansible-Playbook?

Hi@akhtar, You can use vars_files keyword in Ansible. ...READ MORE

Aug 11, 2020 in Ansible by MD
• 95,460 points
• 3,267 views
0 votes
1 answer

What is ConfigMap in Kubernetes?

Hi@akhtar, A ConfigMap is an API object used ...READ MORE

Aug 31, 2020 in Kubernetes by MD
• 95,460 points
• 2,393 views
0 votes
1 answer

How to use the pipeline setup and deploy the war file using the ansible,docker and kubernettes

Hi@Venkata, You can create an Ansible-Playbook to deploy ...READ MORE

Sep 1, 2020 in DevOps on Cloud by MD
• 95,460 points
• 2,366 views
0 votes
1 answer

How to copy files in remote system using Ansible?

Hi@akhtar, You need to use the copy module ...READ MORE

Jul 30, 2020 in Ansible by MD
• 95,460 points
• 3,768 views
0 votes
1 answer

How to configure yum using Ansible Playbook?

Hi@akhtar, You need to use the yum_repository module ...READ MORE

Aug 4, 2020 in Ansible by MD
• 95,460 points
• 3,496 views
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1 answer
0 votes
1 answer

How to get minishift console?

Hi@akhtar, After the successful installation of Minishift, you ...READ MORE

Aug 19, 2020 in DevOps Tools by MD
• 95,460 points
• 2,836 views
0 votes
1 answer

How to run a cron job inside a docker container?

Hii, crond works well with tiny on Alpine RUN apk add --no-cache ...READ MORE

May 18, 2020 in Docker by Niroj
• 82,800 points
• 6,846 views
0 votes
1 answer

How to use loop in Ansible playbook?

Hi@akhtar, Sometimes you want to repeat a task ...READ MORE

Sep 1, 2020 in Ansible by MD
• 95,460 points
• 2,250 views
0 votes
1 answer

Caused by: org.jenkinsci.remoting.protocol.impl.ConnectionRefusalException: Connection closed before acknowledgement sent

Hi@akhtar, This type of error may occur because ...READ MORE

May 29, 2020 in Jenkins by MD
• 95,460 points
• 6,352 views
0 votes
1 answer

How to add user to a group in Minishift?

Hi@akhtar, You can add a user to a ...READ MORE

Aug 19, 2020 in DevOps Tools by MD
• 95,460 points
• 2,773 views
0 votes
1 answer

How to convert ant project into a maven project??

Suppose for instance, you want to convert ...READ MORE

Feb 6, 2020 in DevOps Tools by anonymous
• 59,190 points
• 11,167 views
0 votes
1 answer

How to create a new project in OpenShift?

Hi@akhtar, A Kubernetes namespace provides a mechanism to ...READ MORE

Aug 18, 2020 in DevOps Tools by MD
• 95,460 points
• 2,781 views
0 votes
1 answer

How to create secrets from a text file in Kubernetes?

Hi@akhtar, Secrets can contain user credentials required by ...READ MORE

Jul 16, 2020 in Kubernetes by MD
• 95,460 points
• 4,213 views
0 votes
1 answer

Code error 403 when trying to access Kubernetes cluster

You get this error because you're getting ...READ MORE

Jan 4, 2019 in Kubernetes by Kabeer
• 28,330 views
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1 answer

How to create a ConfigMap from a file?

Hi@akhtar, You can pass in the --from-file argument multiple times ...READ MORE

Aug 31, 2020 in Kubernetes by MD
• 95,460 points
• 2,181 views
0 votes
1 answer

What are the prerequisites to learn Jenkins tool?

Hi@akhtar, As mentioned, there are no such prerequisite ...READ MORE

May 21, 2020 in Jenkins by MD
• 95,460 points
• 6,577 views
0 votes
1 answer

ERROR: Connection is not established! java.lang.IllegalStateException: Connection is not established!

Hi@akhtar, This error may occur because of network ...READ MORE

May 29, 2020 in Jenkins by MD
• 95,460 points
• 6,228 views
0 votes
1 answer

How to deploy an Elasticsearch Cluster with Helm?

Hi@akhtar, You need to download the helm repo ...READ MORE

Jul 8, 2020 in Kubernetes by MD
• 95,460 points
• 4,479 views
+1 vote
1 answer

How do I rename a local Git branch?

Hi@akhtar, You can rename your branch name. Sometimes ...READ MORE

Sep 4, 2020 in Git & GitHub by MD
• 95,460 points
• 1,927 views
0 votes
1 answer

How to create a key pair on AWS using Ansible-Playbook?

Hi@akhtar, You can find the ec2_key module in ...READ MORE

Aug 12, 2020 in Ansible by MD
• 95,460 points
• 2,959 views
0 votes
1 answer

ERROR: Inventory script (inventory/ec2.py) had an execution error: ERROR: "Authentication error retrieving ec2 inventory.

Hi@akhtar, You have to generate the AWS credentials ...READ MORE

Aug 21, 2020 in Ansible by MD
• 95,460 points
• 2,559 views
0 votes
1 answer

How to create a secret from literals in Minishift Cluster?

Hi@akhtar, You can create a secret using generic ...READ MORE

Aug 18, 2020 in DevOps Tools by MD
• 95,460 points
• 2,662 views
+2 votes
1 answer

How do I trigger the puppet agent on slave to install docker using jenkins?

Hey @Mercy, you will have to write ...READ MORE

Aug 17, 2020 in Puppet by Karan
• 19,550 points
• 2,652 views
0 votes
1 answer

Install Jenkins Plugin from Jenkins CLI.

Hi@akhtar, You need to tell your Plugin name ...READ MORE

Jul 7, 2020 in Jenkins by MD
• 95,460 points
• 4,455 views
0 votes
1 answer

Importance of lineinfile module in Ansible.

Hi@akhtar, The lineinfile module will search a file ...READ MORE

Sep 2, 2020 in Ansible by MD
• 95,460 points
• 1,977 views
0 votes
1 answer

How to add several lines in a file using lineinfile module?

Hi@akhtar, When we need to perform a task ...READ MORE

Sep 2, 2020 in Ansible by MD
• 95,460 points
• 1,951 views
0 votes
1 answer

How do I fix this error? docker run --- name “xyz” is already in use by container

You need to remove container "registry-v1". Run docker rm ...READ MORE

Feb 19, 2021 in Docker by Abhinav Kumar

edited Mar 5, 2025 • 15,069 views
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1 answer

Yum is not working inside docker container!

Hi@akhtar, Sometime dns is not able to resolve ...READ MORE

Apr 22, 2020 in Docker by MD
• 95,460 points
• 7,689 views
0 votes
1 answer

How to use conditions in Ansible-Playbook?

Hi@akhtar, Traditional programming language usually uses the if-else ...READ MORE

Aug 20, 2020 in Ansible by MD
• 95,460 points
• 2,493 views
0 votes
2 answers

Error saying "no endpoints available for service \"kubernetes-dashboard\" while getting the dashboard up

Not able to access dashboard it says:  { ...READ MORE

Jan 10, 2019 in Kubernetes by vishal
• 30,066 views
0 votes
1 answer

To restrict all access in Windows Server 2016

Hi@Lakshinarayanan, If you are using AWS Cloud, then ...READ MORE

Aug 25, 2020 in Other DevOps Questions by MD
• 95,460 points
• 2,198 views
0 votes
1 answer

What is Handlers in Ansible?

Hi@akhtar, Handlers are just like normal tasks in an Ansible ...READ MORE

Aug 20, 2020 in Ansible by MD
• 95,460 points
• 2,374 views
0 votes
1 answer

How to delete a key pair in AWS from Ansible-Playbook?

Hi@akhtar, You can use the ec2_key module in ...READ MORE

Aug 12, 2020 in Ansible by MD
• 95,460 points
• 2,713 views
+1 vote
1 answer

How to expose docker container's ip and port to outside docker host without port mapping?

you can accomplish this with IP aliasing ...READ MORE

Aug 2, 2018 in Docker by Kalgi
• 52,340 points

edited Jan 16, 2020 by Kalgi • 34,624 views