Recent questions tagged devops

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fatal: unable to access 'https://github.com/user/maven-productweb.git/': Failed to connect to github.com port 443: No route to host

Jun 3, 2020 in Git & GitHub by akhtar
 • 38,260 points • 22,464 views
0 votes
1 answer

How do I configure Maven for offline development?

Jun 3, 2020 in Java by kartik
 • 37,520 points • 1,262 views
0 votes
1 answer

Error:java.lang.OutOfMemoryError: Java heap space in Maven

Jun 3, 2020 in Java by kartik
 • 37,520 points • 14,263 views
0 votes
1 answer

Error:“java.lang.OutOfMemoryError: PermGen space” in Maven build

Jun 3, 2020 in Java by kartik
 • 37,520 points • 2,466 views
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2 answers

How to change the default Jenkins port in Windows?

Jun 3, 2020 in Jenkins by akhtar
 • 38,260 points • 30,353 views
+2 votes
1 answer

Permissions for 'key123.pem' are too open. It is required that your private key files are NOT accessible by others.

Jun 3, 2020 in AWS by akhtar
 • 38,260 points • 8,917 views
+1 vote
1 answer

Your requested instance type (t2.micro) is not supported in your requested Availability Zone (ap-south-1c). Please retry your request by not specifying an Availability Zone

Jun 3, 2020 in AWS by akhtar
 • 38,260 points • 4,859 views
–1 vote
1 answer

How to find AWS instance Ids in yaml format from command line?

Jun 2, 2020 in AWS by akhtar
 • 38,260 points • 1,355 views
+1 vote
1 answer

How to find all instance Ids In AWS from command line?

Jun 2, 2020 in AWS by akhtar
 • 38,260 points • 6,381 views
+1 vote
1 answer

[WinError 2] The system cannot find the file specified

Jun 1, 2020 in AWS by akhtar
 • 38,260 points • 5,082 views
0 votes
1 answer

You must specify a region. You can also configure your region by running "aws configure".

Jun 1, 2020 in AWS by akhtar
 • 38,260 points • 8,151 views
+1 vote
1 answer

There was a problem setting up the instance connection Log in failed

Jun 1, 2020 in AWS by akhtar
 • 38,260 points • 3,368 views
+1 vote
1 answer

How to create an IAM user in AWS?

Jun 1, 2020 in AWS by akhtar
 • 38,260 points • 2,182 views
+1 vote
1 answer

Need Permissions You don't have permission to access billing information for this account

Jun 1, 2020 in AWS by akhtar
 • 38,260 points • 2,058 views
+1 vote
1 answer

How to enable SSH in windows system?

Jun 1, 2020 in AWS by akhtar
 • 38,260 points • 1,160 views
0 votes
1 answer

GIT commit Error while pushing to remote repository

May 31, 2020 in Git & GitHub by anonymous
 • 120 points • 8,762 views
0 votes
1 answer

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

May 29, 2020 in Jenkins by akhtar
 • 38,260 points • 5,614 views
+1 vote
1 answer

Caused: java.io.IOException: Cannot run program "sh" (in directory "D:\myjenkins\workspace\cal"): CreateProcess error=2, The system cannot find the file specified

May 29, 2020 in Jenkins by akhtar
 • 38,260 points • 21,265 views
+1 vote
1 answer

Error: Unable to access jarfile agent.jar

May 29, 2020 in Jenkins by akhtar
 • 38,260 points • 13,693 views
0 votes
1 answer

JNLP agent port is disabled and agents cannot connect this way. Go to security configuration screen and change it.

May 29, 2020 in Jenkins by MD
 • 95,460 points • 20,486 views
0 votes
1 answer

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

May 29, 2020 in Jenkins by akhtar
 • 38,260 points • 5,536 views
0 votes
1 answer

not able to launch new node via SSH in Jenkins!

May 29, 2020 in Jenkins by akhtar
 • 38,260 points • 4,691 views
+1 vote
1 answer

SSH Connection failed with IOException: "Key exchange was not finished, connection is closed.", retrying in 15 seconds. There are 5 more retries left.

May 29, 2020 in Jenkins by akhtar
 • 38,260 points • 31,681 views
0 votes
1 answer

/var/lib/jenkins/.ssh/known_hosts [SSH] No Known Hosts file was found at /var/lib/jenkins/.ssh/known_hosts. Please ensure one is created at this path and that Jenkins can read it.

May 29, 2020 in Jenkins by akhtar
 • 38,260 points • 14,031 views
0 votes
2 answers

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

May 29, 2020 in DevOps & Agile by Chokkalingabarathi
 • 120 points • 4,420 views
0 votes
1 answer

How to install grafana tool in Linux?

May 28, 2020 in DevOps & Agile by akhtar
 • 38,260 points • 1,675 views
0 votes
1 answer

How to add Node Exporter in Prometheus server?

May 28, 2020 in DevOps & Agile by akhtar
 • 38,260 points • 3,306 views
0 votes
1 answer

How to export Docker container metrics?

May 28, 2020 in Docker by akhtar
 • 38,260 points • 1,615 views
0 votes
1 answer

java.net.UnknownHostException: updates.jenkins.io

May 28, 2020 in Jenkins by akhtar
 • 38,260 points • 11,949 views
0 votes
1 answer

fault tolerance algo superposion

May 28, 2020 in Docker by emna
 • 120 points • 1,262 views
0 votes
1 answer

What is the difference between remote add origin vs remote set-url origin in git?

May 27, 2020 in Git & GitHub by kartik
 • 37,520 points • 5,884 views
0 votes
1 answer

Failed to restart grafana.service: Unit not found.

May 27, 2020 in DevOps & Agile by akhtar
 • 38,260 points • 6,244 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

May 27, 2020 in DevOps & Agile by akhtar
 • 38,260 points • 3,874 views
+1 vote
1 answer

"error loading config from \"prometheus.yml\": couldn't load configuration (--config.file=\"prometheus.yml\"): parsing YAML file prometheus.yml: yaml: unmarshal errors:"

May 27, 2020 in DevOps & Agile by akhtar
 • 38,260 points • 19,490 views
0 votes
1 answer

Job for docker.service failed because start of the service was attempted too often. See "systemctl status docker.service" and "journalctl -xe" for details.

May 27, 2020 in Docker by akhtar
 • 38,260 points • 7,248 views
0 votes
1 answer

How to monitor metrics of Linux system?

May 27, 2020 in DevOps & Agile by akhtar
 • 38,260 points • 1,115 views
0 votes
2 answers

How to configure Prometheus server in linux?

May 27, 2020 in DevOps & Agile by akhtar
 • 38,260 points • 1,841 views
+1 vote
1 answer

Will I be charged for creating users in AWS?

May 27, 2020 in AWS by Piyush
 • 130 points • 2,366 views
+1 vote
1 answer

want to Login to windows servers (ec2) and pass some set of commands on perticular schedule (say 12 hr). how can i do that using boto3!

May 27, 2020 in AWS by shubham
 • 130 points • 1,952 views
0 votes
1 answer

error no configuration has been provided kubectl

May 25, 2020 in DevOps & Agile by Kapil
 • 120 points • 1,685 views
0 votes
1 answer

jenkins msbuild

May 25, 2020 in Jenkins by sravan
 • 150 points • 1,784 views
0 votes
1 answer

I am an E-Commerce App developer, can i be a Devops Engineer

May 24, 2020 in Career Counselling by Rachit
 • 120 points • 1,217 views
0 votes
1 answer

what is api token in jenkins and how to use for github webhook

May 24, 2020 in DevOps & Agile by Anil
 • 120 points • 2,983 views
+1 vote
1 answer

How to deploy machine learning model on aws instance?

May 23, 2020 in AWS by karthik
 • 130 points • 2,094 views
0 votes
1 answer

What is the DevOps certification path?

May 22, 2020 in Career Counselling by Karan
 • 19,550 points • 1,893 views
0 votes
1 answer

Is there any certification for DevOps? If yes,which certifications must a devops engineer possess?

May 22, 2020 in Career Counselling by Karan
 • 19,550 points • 1,422 views
0 votes
1 answer

Which is the best institute for DevOps Online Training course?

May 22, 2020 in Career Counselling by Sam
 • 6,260 points • 2,467 views
0 votes
1 answer

What are the best Devops online training programs?

May 22, 2020 in Career Counselling by Karan
 • 19,550 points • 1,736 views
0 votes
1 answer

The Deployment "myweb-rs" is invalid: spec.template.metadata.labels: Invalid value: map[string]string{"name":"mysql"}: `selector` does not match template `labels`

May 22, 2020 in Kubernetes by akhtar
 • 38,260 points • 3,568 views
+2 votes
1 answer

error: no configuration has been provided, try setting KUBERNETES_MASTER environment variable

May 22, 2020 in Kubernetes by akhtar
 • 38,260 points • 2,044 views
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