Trending questions in DevOps & Agile

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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
6,840 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
4,285 views
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3 answers

How to get the Maven Version of a project in Jenkins?

Here is a snippet from our Jenkins ...READ MORE

Oct 4, 2019 in Jenkins by Petr Doležal
23,191 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
3,563 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
646 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
2,144 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
639 views
0 votes
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
• 95,460 points
3,810 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
2,037 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
2,826 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
973 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
13,336 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
866 views
0 votes
2 answers
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
691 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
2,123 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
1,477 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
673 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
4,033 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
4,853 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
2,398 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
1,643 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
2,861 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
4,278 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
613 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
983 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
3,644 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
2,393 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
2,311 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
3,464 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
2,259 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
3,172 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
3,401 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
2,135 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
1,307 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
20,662 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
2,023 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
1,163 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
4,126 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
1,210 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
• 52,350 points

edited Jan 16, 2020 by Kalgi 31,592 views
0 votes
1 answer

error [11:29:09.846] [warning][stats-collection] Error: No Living connections

Hi@akhtar, The basic requirement to run the Kibana ...READ MORE

Jun 19, 2020 in ELK Stack by MD
• 95,460 points
1,893 views
+2 votes
3 answers

Error while doing kubernetes-init command

The reason that it mentions the port ...READ MORE

Sep 6, 2018 in Kubernetes by Kalgi
• 52,350 points
24,862 views
0 votes
1 answer
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
4,605 views
0 votes
1 answer

Error: release failed: services "zookeeper" already exists

Hi@akhtar, There may be a problem in your ...READ MORE

Jul 8, 2020 in Kubernetes by MD
• 95,460 points
1,002 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
24,758 views
0 votes
1 answer

How to connect log file as an input in Logstash?

Hi@akhtar, You can use the file plugin to ...READ MORE

Jun 17, 2020 in DevOps Tools by MD
• 95,460 points
1,836 views
0 votes
1 answer

How to configure Keyboard as stdin in Logstash?

Hi@akhtar, You can find stdin and stdout plugins ...READ MORE

Jun 17, 2020 in DevOps Tools by MD
• 95,460 points
1,814 views