Category Archives: Docker


[root@localhost ~]# systemctl restart docker Job for docker.service failed because the control process exited with error code. See “systemctl status docker.service” and “journalctl -xe” for details. [root@localhost ~]# [root@localhost ~]# journalctl -xe Oct 18 12:57:24 localhost.localdomain systemd[1]: Starting Docker Application Container Engine. — Subject: Unit docker.service has begun start-up — Defined-By: systemd — Support: —… Read More »

Alternative of Docker in Kubernetes

Since v1.6.0, Kubernetes has enabled the use of CRI, Container Runtime Interface, by default. The container runtime used by default is Docker, which is enabled through the built-in dockershim CRI implementation inside of the kubelet. Other CRI-based runtimes which can be Alternative of Docker in Kubernetes include: containerd (CRI plugin built into containerd) – cri… Read More »

How to setup Docker Registry/Repository using Jfrog Artifactory

Step 1 – Register and Login Url – Step 2 – Get a API key Browse & Tab called “API Key” Step 3 – In Host Machine, Login to Step 4 – Pull the Artifactory image. Step 5 – Run the Artifactory Image Step 6 – Browse the Artifactory admin… Read More »

Understand docker volume from beginner to deep dive level

In order to understand what a Docker volume is, we first need to be clear about how the filesystem normally works in Docker. Docker images are stored as series of read-only layers. When we start a container, Docker takes the read-only image and adds a read-write layer on top. If the running container modifies an… Read More »

Understanding the tools sets in Docker ecosystem

Docker Engine Docker Engine is our lightweight and powerful open source containerization technology combined with a work flow for building and containerizing your applications. Docker Engine is a client-server application with these major components: A server which is a type of long-running program called a daemon process (the dockerd command). A REST API which specifies… Read More »