Skip to main content

Docker with jenkins troubleshooting

1.When a docker machine is integrated with jenkins after running a build it shows unstable for that how you can make trouble shoot?
To avoid these permission issues run the following command
sudo chmod 666 /var/run/docker.sock

2.What is docker?
Docker it is a tool designed to make it easier to create, deploy, and run applications by using containers.

3.What is docker file?
A Dockerfile is a text document it contains all the commands a user could call on the command line to assemble an image. 

4.what is docker image?
Docker images are executable packages that include everything needed to run an application — the code, a runtime, libraries, environment variables, and configuration files.

5.what is container?
container it is nothing but a running state of image

6.Docker commands




Comments

  1. Hi sir , easy to understand to this website .
    can make docker interview questions and ansible

    ReplyDelete

Post a Comment

Popular posts from this blog

How to copy files from one server to another server by using ansible copy module

 We have two servers 1.master 2.worker1 create playbook example: play.yml ---   - hosts: all     tasks:     - name: Ansible copy file to remote server       copy:        src: ~/kube-cluster        dest: /root Run ansible playbook  ansible-playbook play.yml

Kubernetes interview questions and answers

1.H ow to setup kubernetes dashboard on ubuntu16.04 cluster? To create kubernetes dashboard follow below link https://docs.aws.amazon.com/eks/latest/userguide/dashboard-tutorial.html To deploy the Metrics Server kubectl apply -f https://github.com/kubernetes-sigs/metrics-server/releases/download/v0.3.6/components.yaml kubectl get deployment metrics-server -n kube-system Deploy the dashboard kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v2.0.0-beta8/aio/deploy/recommended.yaml root@ip-172-31-43-76:~# kubectl get svc -n kubernetes-dashboard NAME                        TYPE        CLUSTER-IP     EXTERNAL-IP   PORT(S)         AGE dashboard-metrics-scraper   ClusterIP   10.102.6.123   <none>        8000/TCP        120m kubernetes-dashboard  ...

shell scripting and important linux questions and answers

 1.echo $0 what it means?     It will show the name of the currently running process Example: prepare test.sh #!/bin/bash echo $0 Then run test.sh after giving permission to chmod 700 test.sh root@ip-172-31-15-196:~# chmod 700 test.sh root@ip-172-31-15-196:~# ./test.sh ./test.sh 2.How to create 100 empty files at a time? touch file-{001..100} 3.What is hardlink and softlink and how it will be work and what is the difference between them? Hard link:  1.If we delete original file our data will be available 2.Inode number of both original file and hard link file both are same 3.Hard links are fast . Soft link: 1.If we delete original file our data will not be available 2.inode of original file and soft link file are different 3.Soft links are slower. 4.soft links can be used for linking directories 5.soft links will work across file systems. 6.File permissions are different. Creating sof link creating a file1.txt [root@ip-172-31-43-210 linux]# echo "ashwika tech" >...