Trending questions in DevOps & Agile

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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 13,807 views
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1 answer

not able to launch new node via SSH in Jenkins!

Hi@akhtar, To launch one new node via SSH, ...READ MORE

May 29, 2020 in Jenkins by MD
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4,842 views
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error: permission denied in docker ?

Hi@akhtar, This is because of docker permission for ...READ MORE

Mar 23, 2020 in Docker by MD
• 95,460 points
7,720 views
0 votes
1 answer

How to create VPC in AWS from Ansible controller node?

Hi@akhtar, You can find one module named ec2_vpc ...READ MORE

Aug 13, 2020 in Ansible by MD
• 95,460 points
1,546 views
0 votes
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how to pass a file to downstream job in jenkins?

Hi@Sourabh, You can do this task by sharing ...READ MORE

May 27, 2020 in Jenkins by MD
• 95,460 points
4,991 views
0 votes
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How to assign edit role to a group in Minishift?

Hi@akhtar, Role assigning to a group is a ...READ MORE

Aug 19, 2020 in DevOps Tools by MD
• 95,460 points
1,261 views
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1 answer

The connection to the server 192.168.99.101:8443 was refused - did you specify the right host or port?

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

May 21, 2020 in Kubernetes by MD
• 95,460 points
5,159 views
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1 answer

i could not access jenkins from slave machine

Hi Rham, I don't think this is a ...READ MORE

Jul 20, 2020 in Jenkins by MD
• 95,460 points
2,575 views
0 votes
1 answer

How to create a variable in Ansible Playbook?

Hi@akhtar, Variable in playbooks are very similar to using variables in ...READ MORE

Aug 2, 2020 in Ansible by MD
• 95,460 points
1,964 views
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Ansible error "urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:727)"

That means you do not have the ...READ MORE

Oct 15, 2019 in Ansible by Yogesh
14,550 views
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1 answer

How to create a group of Managed Nodes in Ansible?

Hi@akhtar, You can use tags in your inventory ...READ MORE

Aug 1, 2020 in Ansible by MD
• 95,460 points
2,001 views
0 votes
1 answer

getting error while trying for "kubectl get nodes" on node

Hi@Surya, I think you did not configure your ...READ MORE

Jul 9, 2020 in DevOps & Agile by MD
• 95,460 points
3,048 views
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1 answer

How to use existing Azure VM in Jenkins Azure VM plugin

In order to use the Azure VM ...READ MORE

Jul 28, 2020 in Jenkins by Karan
• 19,550 points
2,448 views
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1 answer

-su: cd: /root/: Permission denied

Hi@akhtar, You are trying to run your command ...READ MORE

Jun 6, 2020 in Docker by MD
• 95,460 points
4,392 views
0 votes
2 answers
0 votes
1 answer

How can I retrieve previous version data in Git & GitHub!!?

Hi@akhtar, You can use reset command to do ...READ MORE

Jul 19, 2020 in Git & GitHub by MD
• 95,460 points
5,899 views
0 votes
1 answer

What does Fact mean in Ansible?

Hi@akhtar, When any new variable about the system ...READ MORE

Aug 11, 2020 in Ansible by MD
• 95,460 points
1,253 views
0 votes
1 answer

How to send email notification using Logstash?

Hi@akhtar, You can use the Email plugin in ...READ MORE

Jun 18, 2020 in DevOps Tools by MD
• 95,460 points
3,587 views
0 votes
1 answer

How to decrypt a vault in Ansible?

Hi@akhtar, You can use decrypt keyword in your ...READ MORE

Aug 11, 2020 in Ansible by MD
• 95,460 points
1,251 views
0 votes
1 answer

Any whatsapp group available for Devops

Hi @Jakeer, I took up Edureka's DevOps ...READ MORE

Jun 8, 2020 in Other DevOps Questions by Lyana
3,999 views
0 votes
1 answer

Error saying "error: dpkg frontend is locked by another process"

Hey! First, find out the id of the ...READ MORE

Apr 15, 2019 in Jenkins by Vedant
22,091 views
0 votes
1 answer

How to build one Job from Jenkins CLI?

Hi@akhtar, To build a job from Jenkins CLI, ...READ MORE

Jul 7, 2020 in Jenkins by MD
• 95,460 points
2,700 views
0 votes
1 answer

How to add two external load balancers(specifically HAProxy) to the Kubernetes High availability cluster

You can set two load balancer in ...READ MORE

Jun 30, 2020 in DevOps Tools by MD
• 95,460 points
2,967 views
0 votes
1 answer

* spec.accessModes: Required value: at least 1 access mode is required

Hi@akhtar, To create persistent volume, you have to ...READ MORE

May 22, 2020 in Kubernetes by MD
• 95,460 points
4,661 views
0 votes
1 answer

What is a template in Ansible?

Hi@akhtar, Managing configurations of multiple servers and environments are ...READ MORE

Aug 2, 2020 in Ansible by MD
• 95,460 points
1,525 views
0 votes
1 answer

Permission denied when executing module using ansible on host machine

Hi@Shamsher, This error usually occurs when their is ...READ MORE

May 29, 2020 in DevOps & Agile by MD
• 95,460 points
4,874 views
0 votes
1 answer

How to create one PVC in Kubernetes Cluster?

Hi@akhtar, In Kubernetes, no command is available to ...READ MORE

Jul 6, 2020 in Kubernetes by MD
• 95,460 points
2,608 views
+1 vote
1 answer

Unable to access Jenkins. I newly installed Jenkins but for some reason I cannot access it.

Try changing the port, Change JENKINS_AJP_PORT="xyz" to JENKINS_AJP_PORT="abc" If changing the ...READ MORE

Jul 4, 2018 in Jenkins by Sophie may
• 10,620 points
9,671 views
0 votes
1 answer

How to install Ansible in Linux system?

Hi@akhtar, To install Ansible in your Linux system, ...READ MORE

Jul 28, 2020 in Ansible by MD
• 95,460 points
1,616 views
0 votes
1 answer

How to launch a Docker container for MySQL?

Hi@akhtar, You can download MySQL image from the docker ...READ MORE

Jul 29, 2020 in Docker by MD
• 95,460 points
1,528 views
0 votes
1 answer

Unable to install packages through Ansible

Hi, Try to ping your all nodes. There ...READ MORE

Jul 15, 2020 in Ansible by MD
• 95,460 points
2,153 views
0 votes
1 answer

How to create template in Ansible?

Hi@akhtar, A template in Ansible is a file ...READ MORE

Aug 2, 2020 in Ansible by MD
• 95,460 points
1,291 views
+1 vote
1 answer

How to deploy war file into the Websphere using ansible playbook

Hi@M, You can use the below-given example. - name: ...READ MORE

Jun 29, 2020 in Ansible by MD
• 95,460 points
3,108 views
0 votes
1 answer

How to launch one Docker container for Logstash?

Hi@akhtar, You can find one Docker image for ...READ MORE

Jun 17, 2020 in Docker by MD
• 95,460 points
3,246 views
0 votes
1 answer

How to install kubectl in Linux system?

Hi@akhtar, Kubectl is a program that connects your ...READ MORE

May 19, 2020 in Kubernetes by MD
• 95,460 points
4,456 views
0 votes
1 answer

Find Memory consumption of the container by using commands inside the container

Hi, You can use any monitoring tools like ...READ MORE

Jul 28, 2020 in DevOps & Agile by MD
• 95,460 points
1,411 views
0 votes
1 answer
0 votes
1 answer

ERROR: Could not find a valid gem 'logstash-core-plugin-api' (>= 0) in any repository

Hi@akhtar, I think you don't have JRuby installed ...READ MORE

Jun 18, 2020 in DevOps Tools by MD
• 95,460 points
3,119 views
0 votes
1 answer

How do we write Jenkins file for pipeline in CICD? Is there any other way to build pipeline apart from jenkin file?

Hi@Ankit, According to my knowledge of a pipeline ...READ MORE

Jul 20, 2020 in DevOps & Agile by MD
• 95,460 points
1,722 views
0 votes
1 answer

Bash script to revoke Inbound rule after some time

Hi@Lakshminarayanan, You can find command to remove your ingress ...READ MORE

Jul 7, 2020 in Other DevOps Questions by MD
• 95,460 points
2,277 views
0 votes
1 answer

Get "http://192.168.99.103:1234/metrics": dial tcp 192.168.99.103:1234: connect: no route to host

Hi@akhtar, There may be an issue with your ...READ MORE

May 27, 2020 in DevOps & Agile by MD
• 95,460 points
4,017 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
27,995 views
0 votes
1 answer

kubelet, minikube Back-off restarting failed container

Hi@akhtar, You may get this error if you ...READ MORE

May 22, 2020 in Kubernetes by MD
• 95,460 points
4,209 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
• 59,190 points
18,034 views
0 votes
1 answer

[ERROR][org.logstash.Logstash] java.lang.NoClassDefFoundError: Could not initialize class org.logstash.config.ir.compiler.ComputeStepSyntaxElement

Hi@akhtar, Logstash server needs OpenJDK in the background. ...READ MORE

Jun 18, 2020 in DevOps Tools by MD
• 95,460 points
2,988 views
0 votes
1 answer

Error: com.microsoft.sqlserver.jdbc.SQLServerDriver not loaded. :jdbc_driver_library is not set, are you sure you included the proper driver client libraries in your classpath?

Hi@akhtar, This has been an issue with the logstash-filter-jdbc_static driver. ...READ MORE

Jun 18, 2020 in DevOps Tools by MD
• 95,460 points
2,973 views
0 votes
1 answer

java.lang.IllegalArgumentException: Invalid bracketed host/port range.

Hi@akhtar, You need to set the hostname in ...READ MORE

Jun 19, 2020 in ELK Stack by MD
• 95,460 points
2,893 views
0 votes
1 answer

fatal: The current branch master has no upstream branch

Hi@akhtar, You got this error, because you did ...READ MORE

Apr 30, 2020 in Git & GitHub by MD
• 95,460 points
5,015 views