Recent questions tagged devops-tools

+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 • 4,031 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 • 795 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 • 5,578 views
+1 vote
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[WinError 2] The system cannot find the file specified

Jun 1, 2020 in AWS by akhtar
 • 38,260 points • 4,014 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 • 7,506 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 • 2,556 views
+1 vote
1 answer

How to create an IAM user in AWS?

Jun 1, 2020 in AWS by akhtar
 • 38,260 points • 1,394 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 • 1,515 views
+1 vote
1 answer

How to enable SSH in windows system?

Jun 1, 2020 in AWS by akhtar
 • 38,260 points • 647 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 • 4,747 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 • 19,465 views
+1 vote
1 answer

Error: Unable to access jarfile agent.jar

May 29, 2020 in Jenkins by akhtar
 • 38,260 points • 12,752 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 • 19,257 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 • 4,719 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 • 3,810 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 • 29,331 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 • 12,929 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 • 3,476 views
0 votes
1 answer

How to install grafana tool in Linux?

May 28, 2020 in DevOps & Agile by akhtar
 • 38,260 points • 1,111 views
0 votes
1 answer

How to add Node Exporter in Prometheus server?

May 28, 2020 in DevOps & Agile by akhtar
 • 38,260 points • 2,640 views
0 votes
1 answer

How to export Docker container metrics?

May 28, 2020 in Docker by akhtar
 • 38,260 points • 1,111 views
0 votes
1 answer

java.net.UnknownHostException: updates.jenkins.io

May 28, 2020 in Jenkins by akhtar
 • 38,260 points • 10,903 views
0 votes
1 answer

fault tolerance algo superposion

May 28, 2020 in Docker by emna
 • 120 points • 681 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 • 4,596 views
0 votes
1 answer

Failed to restart grafana.service: Unit not found.

May 27, 2020 in DevOps & Agile by akhtar
 • 38,260 points • 5,279 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 • 3,172 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 • 17,738 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 • 6,333 views
0 votes
1 answer

How to monitor metrics of Linux system?

May 27, 2020 in DevOps & Agile by akhtar
 • 38,260 points • 617 views
0 votes
2 answers

How to configure Prometheus server in linux?

May 27, 2020 in DevOps & Agile by akhtar
 • 38,260 points • 1,187 views
+1 vote
1 answer

Will I be charged for creating users in AWS?

May 27, 2020 in AWS by Piyush
 • 130 points • 1,738 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 • 977 views
0 votes
1 answer

error no configuration has been provided kubectl

May 25, 2020 in DevOps & Agile by Kapil
 • 120 points • 1,269 views
0 votes
1 answer

jenkins msbuild

May 25, 2020 in Jenkins by sravan
 • 150 points • 1,080 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 • 2,216 views
+1 vote
1 answer

How to deploy machine learning model on aws instance?

May 23, 2020 in AWS by karthik
 • 130 points • 1,300 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
 • 19,610 points • 807 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 • 1,716 views
0 votes
1 answer

What are the best Devops online training programs?

May 22, 2020 in Career Counselling by Karan
 • 19,610 points • 1,060 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 • 2,737 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 • 1,364 views
0 votes
1 answer

Error from server (BadRequest): error when creating "secret.yml": Secret in version "v1" cannot be handled as a Secret:

May 22, 2020 in Kubernetes by akhtar
 • 38,260 points • 10,027 views
0 votes
1 answer

Error from server (BadRequest): container "mysql-con" in pod "mysql" is waiting to start: CreateContainerConfigError

May 22, 2020 in Kubernetes by akhtar
 • 38,260 points • 7,697 views
0 votes
1 answer

kubelet, minikube Back-off restarting failed container

May 22, 2020 in Kubernetes by akhtar
 • 38,260 points • 3,401 views
0 votes
2 answers

What are the prerequisites required to learn Kubernetes?

May 22, 2020 in DevOps & Agile by akhtar
 • 38,260 points • 12,391 views
+1 vote
1 answer

What are some best sites available to learn Kubernetes?

May 22, 2020 in DevOps & Agile by akhtar
 • 38,260 points • 610 views
0 votes
1 answer

Which is the best kubernetes online training available ?

May 22, 2020 in DevOps & Agile by akhtar
 • 38,260 points • 999 views
0 votes
1 answer

error: error parsing pod_pvc.yml: error converting YAML to JSON: yaml: line 11: could not find expected ':'

May 22, 2020 in Kubernetes by akhtar
 • 38,260 points • 9,303 views
0 votes
1 answer

The PersistentVolumeClaim "Pvc-volume" is invalid: metadata.name: Invalid value: "Pvc-volume": a DNS-1123 subdomain must consist of lower case alphanumeric characters,

May 22, 2020 in Kubernetes by akhtar
 • 38,260 points • 2,687 views
0 votes
1 answer

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

May 22, 2020 in Kubernetes by akhtar
 • 38,260 points • 3,464 views
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