Recent questions tagged devops

+1 vote
1 answer

How to launch an EC2 instance?

Jun 5, 2020 in AWS by akhtar
 • 38,260 points • 814 views
0 votes
0 answers

Git tutorial basics cases are explained here

Jun 4, 2020 in Git & GitHub by Vardhan
 • 13,150 points • 604 views
0 votes
2 answers

How to configure Maven in Jenkins?

Jun 4, 2020 in DevOps & Agile by akhtar
 • 38,260 points • 52,533 views
0 votes
1 answer

NB: JAVA_HOME should point to a JDK not a JRE The JAVA_HOME environment variable is not defined correctly

Jun 4, 2020 in DevOps & Agile by akhtar
 • 38,260 points • 19,147 views
0 votes
1 answer

How to enable SSH inside Docker container?

Jun 4, 2020 in Docker by akhtar
 • 38,260 points • 17,646 views
0 votes
1 answer

Failed to stop container 'd537cf8e22697f866e146d6d899e008e5a2aff80089923e9a77ed5b5f7da7d56' for node 'Kubectl-image-0000ew8kc42qk' due to exception:

Jun 4, 2020 in Jenkins by akhtar
 • 38,260 points • 592 views
0 votes
1 answer

Unable to retrieve list of containers available on DockerCloud [name=docker, dockerURI=tcp://192.168.99.102:4243]

Jun 4, 2020 in Jenkins by akhtar
 • 38,260 points • 1,761 views
0 votes
1 answer

Caused: io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /192.168.99.102:4243

Jun 4, 2020 in Jenkins by akhtar
 • 38,260 points • 11,812 views
0 votes
1 answer

java.nio.file.AccessDeniedException: /root/home

Jun 4, 2020 in Jenkins by akhtar
 • 38,260 points • 12,897 views
+2 votes
2 answers

COPY failed: stat /var/lib/docker/tmp/docker-builder/root/page: no such file or directory

Jun 4, 2020 in Docker by akhtar
 • 38,260 points • 23,635 views
+1 vote
1 answer

How to sign the puppet certificate on master using Jenkins?

Jun 4, 2020 in Puppet by anonymous
 • 130 points • 1,326 views
0 votes
1 answer

bash: mvn: command not found.Failed to search for file: Cannot update read-only repo

Jun 3, 2020 in DevOps & Agile by akhtar
 • 38,260 points • 4,995 views
0 votes
1 answer

How to configure maven in CentOS/ RHEL system?

Jun 3, 2020 in DevOps & Agile by akhtar
 • 38,260 points • 3,980 views
+1 vote
1 answer

How to forward S3 bucket logs to CloudTrail?

Jun 3, 2020 in AWS by akhtar
 • 38,260 points • 827 views
0 votes
1 answer

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 • 21,346 views
0 votes
1 answer

How do I configure Maven for offline development?

Jun 3, 2020 in Java by kartik
 • 37,520 points • 802 views
0 votes
1 answer

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

Jun 3, 2020 in Java by kartik
 • 37,520 points • 13,058 views
0 votes
1 answer

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

Jun 3, 2020 in Java by kartik
 • 37,520 points • 1,796 views
0 votes
2 answers

How to change the default Jenkins port in Windows?

Jun 3, 2020 in Jenkins by akhtar
 • 38,260 points • 29,396 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 • 8,054 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 • 4,031 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
1 answer

[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

GIT commit Error while pushing to remote repository

May 31, 2020 in Git & GitHub by anonymous
 • 120 points • 8,086 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 • 4,720 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 • 29,333 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 • 12,930 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 • 6,334 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
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