Trending questions in DevOps & Agile

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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
• 95,460 points
4,507 views
0 votes
1 answer

Why does CPU% goes beyond 600% while using cadvisor?

Hi@Isabel, I don't know about container advisor tool, ...READ MORE

May 5, 2020 in DevOps & Agile by MD
• 95,460 points
5,527 views
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1 answer

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
7,361 views
0 votes
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
4,812 views
0 votes
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
1,694 views
0 votes
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
2,149 views
0 votes
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
4,059 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
2,667 views
0 votes
1 answer

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
14,055 views
0 votes
2 answers
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
1,002 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
982 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
3,288 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 13,100 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 32,850 views
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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
1,267 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
2,421 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
26,113 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
2,635 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
3,595 views
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
5,405 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
4,561 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
1,375 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
4,250 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
2,251 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
1,250 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
1,857 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
1,052 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
21,537 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
2,811 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
9,197 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
2,955 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
1,138 views
+1 vote
5 answers

"Unable to locate package" error while installing kubelet, kubeadm, kubectl

Work around 1 :  log in as ...READ MORE

Oct 25, 2018 in Kubernetes by Lakshmi Narayana ( L N )
25,237 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
4,124 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
3,750 views
+2 votes
3 answers

Cloning the Git Repository on Eclipse (Transport Error)

File/Import... Select dialog * Git/Projects from Git * click next Select ...READ MORE

Jul 23, 2018 in Git & GitHub by Kalgi
• 52,340 points
26,506 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
1,438 views
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
2,814 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
3,889 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
2,682 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
1,844 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
4,746 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
2,644 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
2,564 views
0 votes
1 answer

How to access kubernetes keys in etcd?

Hi@akhtar, To find out all the Keys in ...READ MORE

Jul 8, 2020 in Kubernetes by MD
• 95,460 points
1,600 views
0 votes
1 answer

How to configure Jenkins environment using HELM?

Hi@akhtar, You need to install the helm chart ...READ MORE

Jul 6, 2020 in Kubernetes by MD
• 95,460 points
1,668 views
0 votes
1 answer

javax.mail.messagingexception: could not connect to SMTP host: smtp.Gmail.com, port: 465 in jenkins.

Hi@akhtar, In general, gmail will not allow any ...READ MORE

Apr 16, 2020 in Jenkins by MD
• 95,460 points
5,130 views