How to Setup Docker Registry/Repository on Jfrog Artifactory Pro On-Prem?
The Docker client limitations: You cannot use a context path when providing the registry path (e.g localhost:8082/artifactory is not valid) Docker will only send basic HTTP authentication when working against…
Read more »
Setup Docker service to use insecure(http) registry instead of https
By default docker use https to connect to docker registry. But there can be use cases to use insecure registry. Here are the steps to use insecure registry. In ubuntuedit…
Read more »Is Docker certification worth it? Docker Certified Associate (DCA) – Explained
Software development is not about writing code these days. Multiple languages, frameworks, architectures, and discontinuous interfaces between tools for each lifecycle stage creates huge complexities. Docker facilitate and accelerates workflow,…
Read more »Difference between Docker Community Edition (CE) vs Docker Enterprise Edition (EE) in 2020
What is Docker Community Edition? Docker Engine has been renamed to Docker Community Edition, and, as the name suggests, community supported version of Docker that’s available for free of cost….
Read more »Docker Certified Associate Exam Topics and Agenda
This examination is based upon critical job activities a Docker Certified Associate performs. The skills and knowledge certified by this examination represent a level of expertise where a certifiedDocker Associate…
Read more »Docker Private registry using Nexus, Artifactory or Docker Registry
How to setup Docker repository in Artifactory and push/pull images? Setup Artifactory pro 6.1.0 using Docker containtainer How to setup Docker Registry/Repository using Jfrog Artifactory Docker Machine Tutorials and Guide
Read more »Docker Errors and Solutions Database
Docker Error: Auzre RHEL 7.4 “Requires: container-selinux >= 2:2.74” Docker Error – Requires: container-selinux >= 2:2.74 Docker Error: JOB FOR DOCKER.SERVICE FAILED BECAUSE THE CONTROL PROCESS EXITED WITH ERROR CODE…
Read more »
Docker Interview Questions and Answer Part – 35
What Docker technologies are available to support communication between containers? Docker connect and bridge networks Docker linking and bridge networks (Ans) Docker connect and alias networks None of these Bridge…
Read more »
Docker Interview Questions and Answer Part – 34
Which of the following open-source tools is the underlying technology for Docker Swarm? containerd SwarmKit (Ans) Kubernetes InfraKit The Docker daemon Docker UCP implements RBAC via Grants. Which of the…
Read more »
Docker Interview Questions and Answer Part – 33
Which of the following best decribes a Docker Image? A read-write template for starting one or more containers A point-in-time snapshot of a container used for backups A data volume…
Read more »
Docker Interview Questions and Answer Part – 32
Which of the following are true about Docker volumes? They must exist on a SAN or NAS They are decoupled from containers (Ans) They are higher performance than graph driver…
Read more »
Docker Interview Questions and Answer Part – 31
What is the preferred way to deploy and manage a Docker Stack? The declarative way via config files (Ans) The imperative way via commands Which of the following Docker Engine…
Read more »
Docker Interview Questions and Answer Part – 30
Images contain the entire user space, in other words the entire file system for a container. How is this not horribly inefficient in terms of disk space? Images are layered…
Read more »
Docker Interview Questions and Answer Part – 29
With Docker for Windows, what container types can you run? Only Windows Windows and macOS Windows and Linux (Ans) Only Linux Which of the following is an accurate statement about…
Read more »
Docker Interview Questions and Answer Part – 28
What is a tag? A reference to a registry A reference to a repository A reference to a specific image in a repository (Ans) A reference to a specific image…
Read more »
Docker Interview Questions and Answer Part – 27
By default, what happens to a Docker Container when the process it is running exits? The Container exits. (Ans) The Container reboots and restarts the process. The Container performs a…
Read more »
Docker Interview Questions and Answer Part – 24
Which of the following tasks can Docker Cloud perform? Create nodes None of these Start and stop services All of these (Ans) Create stacks What is the role of Docker…
Read more »
Docker Interview Questions and Answer Part – 23
Which of the following are top-level keys in a stack file (Compose v3 file)? Version, deployments, networks, volumes Version and services Version, services, networks, volumes (Ans) Services, pods, networks, volumes…
Read more »
Docker Interview Questions and Answer Part – 22
Which of the following is a recommended best practice? Keep your images small (Ans) Never use the latest image in a repo Use large images containing lots of tools Only…
Read more »