Trending questions in DevOps & Agile

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How to increase no of executors in Jenkins?

Hi@akhtar, By default Jenkins has 2 executors. But ...READ MORE

May 13, 2020 in Jenkins by MD
• 95,460 points
23,708 views
0 votes
1 answer

java.lang.RuntimeException: can not run elasticsearch as root

Hi@akhtar, ElasticSearch will not require root privilege to ...READ MORE

Jun 19, 2020 in ELK Stack by MD
• 95,460 points
21,787 views
0 votes
1 answer

Failed to import the required Python library (Docker SDK for Python: docker (Python >= 2.7) or docker-py (Python 2.6))

Hi@akhtar, You may get this error if the ...READ MORE

Aug 7, 2020 in Ansible by MD
• 95,460 points
19,623 views
0 votes
1 answer

ERROR! Attempting to decrypt but no vault secrets found

Hi@akhtar, As you are using a vault in ...READ MORE

Aug 11, 2020 in Ansible by MD
• 95,460 points
19,290 views
0 votes
1 answer
+1 vote
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+2 votes
6 answers

Jenkins unable to run jobs (pending - waiting for next executor)

Increase the number of executors. I had ...READ MORE

Apr 24, 2019 in Jenkins by Maya
45,437 views
0 votes
2 answers

What does cherry-picking a commit with Git mean?

To answer your question, Cherry Picking in ...READ MORE

Feb 8, 2022 in Git & GitHub by Rahul
• 9,690 points
4,111 views
0 votes
2 answers

How to disable or reset security settings in Jenkins?

In your local jenkins folder cat  /var/lib/jenkins/secrets/initialauthenticationpassword ...READ MORE

Feb 22, 2021 in Jenkins by srini

edited Mar 5, 2025 23,603 views
+1 vote
1 answer

javax.net.ssl.SSLHandshakeException: No appropriate protocol (protocol is disabled or cipher suites are inappropriate)

Hi@akhtar, I also faced the same issue and I ...READ MORE

May 12, 2020 in Jenkins by MD
• 95,460 points
22,701 views
0 votes
1 answer

How to connect to the localhost of the machine from the Docker container?

Hi@akhtar, You can use --network="host" in your docker run command. It will ...READ MORE

Dec 23, 2020 in Docker by MD
• 95,460 points
12,847 views
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0 answers

Do anyone know how to setup jenkins multimaster on gcloud?

I was try to setup jenkins multimaster ...READ MORE

Sep 26, 2021 in Jenkins by Sanjay

edited Mar 4, 2025 555 views
0 votes
1 answer

Error:Failed to start redis.service Unit redis-server.service is masked

Hello, If redis.service file is missed in directory path /etc/systemd/system/redis.service so we ...READ MORE

May 18, 2020 in Docker by Niroj
• 82,800 points
21,885 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

Hi@akhtar, You may get this error if you ...READ MORE

Jun 4, 2020 in DevOps & Agile by MD
• 95,460 points
21,133 views
0 votes
1 answer

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

Hi@MD, By default JNLP agent port is disabled ...READ MORE

May 29, 2020 in Jenkins by akhtar
• 38,260 points
21,337 views
0 votes
1 answer

Error saying "No apt package "kubeadm", but there is a snap with that name. Try "snap install kubeadm""

After adding gpg key and repositories, you ...READ MORE

Apr 16, 2022 in Kubernetes by Prashanth5429

edited Mar 5, 2025 12,746 views
0 votes
1 answer

Pushing to Git returning Error Code 403 fatal: HTTP request failed.

Hi@akhtar, Github seems to only support the ssh ...READ MORE

Jan 5, 2021 in Git & GitHub by MD
• 95,460 points
11,518 views
0 votes
1 answer

How to get the current branch name in Git?

Hi@akhtar, You can run the git branch command ...READ MORE

Dec 22, 2020 in Git & GitHub by MD
• 95,460 points
11,889 views
0 votes
1 answer

No match for argument: ansible Error: Unable to find a match

Hi@akhtar, Ansible is not part of your RedHat ...READ MORE

Jul 28, 2020 in Ansible by MD
• 95,460 points
18,034 views
0 votes
1 answer

"msg": "Failed to connect to the host via ssh: root@192.168.0.179: Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password).",

Hi@akhtar, You need to pass the username and ...READ MORE

Jul 28, 2020 in Ansible by MD
• 95,460 points
17,891 views
0 votes
1 answer

How to run firefox inside docker container?

Hi@akhtar, Generally, if you run firefox inside docker ...READ MORE

Apr 16, 2020 in Docker by MD
• 95,460 points
22,175 views
+1 vote
1 answer

How to restart Jenkins manually?

Hi@akhtar, To restart Jenkins manually, you can use ...READ MORE

Oct 22, 2020 in Jenkins by MD
• 95,460 points
13,939 views
0 votes
1 answer

"msg": "winrm or requests is not installed: No module named winrm"

Hi@akhtar, You need to install pywinrm module in ...READ MORE

Sep 8, 2020 in Ansible by MD
• 95,460 points
15,851 views
0 votes
0 answers
0 votes
0 answers

Single-Single Microservices deployment with database via Jenkins pipleline

I have 3 microservices with 3 database. ...READ MORE

Aug 25, 2021 in DevOps & Agile by Neha

edited Mar 4, 2025 543 views
0 votes
1 answer

How to install HELM in Windows?

Hi@akhtar, You can follow the below-given steps to ...READ MORE

Jul 6, 2020 in Kubernetes by MD
• 95,460 points
18,402 views
0 votes
0 answers

Is it possible to set a hostname like (ambari-app.ec2.internal) with dots(.) in a Kubernetes Replication Controller(RC)?

Case: 1) If i put the hostname like ambari-app.ec2.internal  ...READ MORE

Aug 4, 2021 in Kubernetes by anonymous

edited Mar 4, 2025 1,306 views
0 votes
1 answer

How to check the syntax of an Ansible playbook?

Hi@akhtar, Ansible has lots of commands, that help ...READ MORE

Sep 15, 2020 in Ansible by MD
• 95,460 points
14,929 views
0 votes
0 answers

On aws instance jenkins not working

I have ienkins installed on aws server ...READ MORE

Aug 14, 2021 in DevOps & Agile by Abhishek

edited Mar 4, 2025 502 views
0 votes
1 answer

iptables v1.6.0: can't initialize iptables -F: Permission denied (you must be root)

Hi@akhtar, You may get this error, if you didn't ...READ MORE

May 12, 2020 in Docker by MD
• 95,460 points
20,243 views
0 votes
1 answer

error on branch master nothing to commit, working directory clean, when try to commit my changes.

Hi@akhtar,  If you already have a .git/ folder ...READ MORE

Apr 10, 2020 in Git & GitHub by MD
• 95,460 points
21,605 views
0 votes
1 answer

How to overwrite the content of a file in remote systems using Ansible playbook?

Hi@akhtar, You can find one argument in the ...READ MORE

Aug 2, 2020 in Ansible by MD
• 95,460 points
16,636 views
0 votes
0 answers
0 votes
1 answer

How to capture the output of a task in Ansible Playbook?

Hi@akhtar, Ansible registers module used to capture/store the ...READ MORE

Aug 2, 2020 in Ansible by MD
• 95,460 points
16,461 views
+1 vote
1 answer

Difference between git add -A and git add . command.

Hi@akhtar, The difference lies in which files get ...READ MORE

Dec 22, 2020 in Git & GitHub by MD
• 95,460 points
10,208 views
0 votes
1 answer

How to enable SSH inside Docker container?

Hi@akhtar, To enable SSH inside Docker Container, you ...READ MORE

Jun 4, 2020 in Docker by MD
• 95,460 points
18,937 views
0 votes
5 answers

Error saying "Unable to connect to the server: x509: certificate signed by unknown authority"

export KUBECONFIG=/etc/kubernetes/admin.conf READ MORE

Jul 27, 2019 in Kubernetes by aneesh ansari
38,580 views
0 votes
2 answers

ERROR! Unexpected Exception, this is probably a bug: HTTP Error 400: Bad Request

When you get the 400 number, that ...READ MORE

Feb 9, 2022 in Ansible by Soham
• 9,730 points
3,626 views
0 votes
0 answers

Jenkins is process running, however not reachable

I am installing jenkins on ubuntu VM ...READ MORE

Jul 28, 2021 in Jenkins by Asmaa

edited Mar 4, 2025 566 views
+2 votes
1 answer

Error response from daemon: This node is already part of a swarm. Use "docker swarm leave" to leave this swarm and join another one.

Hi@akhtar, It is showing in the error that you ...READ MORE

Dec 24, 2020 in Docker by MD
• 95,460 points
9,719 views
+1 vote
4 answers

COPY is not working in Docker

I had the exact same issue. I ...READ MORE

May 6, 2019 in Docker by Emilia
26,289 views
0 votes
1 answer

"The task includes an option with an undefined variable. The error was: 'item' is undefined\n\nThe error appears to be in '/root/haproxy/user.yml':

Hi@akhtar, You can perform iterate tasks in Ansible ...READ MORE

Sep 1, 2020 in Ansible by MD
• 95,460 points
14,476 views
0 votes
1 answer

How to configure Jenkins to run on port 80?

Hi@akhtar, You can change the port no from ...READ MORE

Oct 26, 2020 in Jenkins by MD
• 95,460 points
12,035 views
0 votes
1 answer

What is the difference between bridge network and overlay network?

Hi@akhtar, The Bridge is the default network driver. If ...READ MORE

Dec 28, 2020 in Docker by MD
• 95,460 points
9,258 views
0 votes
0 answers

need to uninstall haproxy 1.8 and install 2.2 in ansible playbook

- name: Gather the package facts     ansible.builtin.package_facts:      manager: auto   - ...READ MORE

Jul 15, 2021 in DevOps & Agile by Poorna

edited Mar 4, 2025 558 views
0 votes
2 answers

how to execute a shell script post build step in Jenkins?

You could use the Post Build Task Plugin ...READ MORE

Jul 31, 2019 in Jenkins by Sirajul
• 59,190 points
32,119 views
0 votes
1 answer

How to compare two files using Ansible?

Hi@akhtar, You can use the copy module in ...READ MORE

Sep 17, 2020 in Ansible by MD
• 95,460 points
13,461 views
0 votes
1 answer

How to give sudo power to the Jenkins user?

Hi@akhtar, You need to give Sudo power to ...READ MORE

Oct 26, 2020 in Jenkins by MD
• 95,460 points
11,743 views