Trending questions in DevOps & Agile

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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 • 2,111 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 • 7,219 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 • 4,662 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 • 2,016 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 • 1,527 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
 • 95,460 points • 4,276 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 • 3,900 views
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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 • 2,469 views
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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 • 878 views
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1 answer

{"error":{"root_cause":[{"type":"parse_exception","reason":"unknown key [index] for create index"}],"type":"parse_exception","reason":"unknown key [index] for create index"},"status":400}

Hi@akhtar, As you are trying to upload your ...READ MORE

Jun 16, 2020 in DevOps Tools by MD
 • 95,460 points • 3,260 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 • 851 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
 • 13,820 views
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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 • 3,145 views
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2 answers

Getting error while giving jenkins build for creating docker image through pipeline script

Can you show your full code READ MORE

May 29, 2020 in DevOps & Agile by SV
 • 3,955 views
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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 • 4,985 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 • 2,259 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 • 1,072 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 • 2,497 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 • 1,272 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 • 5,214 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 • 4,367 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
 • 3,371 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 • 1,118 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 • 920 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 • 12,702 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 • 1,707 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 • 4,026 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 • 2,052 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 • 32,425 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 • 2,650 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
 • 25,703 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 • 2,800 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 • 1,318 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 • 3,611 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 • 913 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 • 2,664 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 • 3,935 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
 • 21,139 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 • 8,851 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 • 2,549 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 • 3,693 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 • 2,495 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 • 4,575 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 • 1,644 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 • 2,345 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 • 1,520 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 • 1,397 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 • 4,939 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 • 25,915 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 • 1,326 views
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