Virtualization

Install Docker Compose on Ubuntu 20.04 and 22.04

February 8, 2024

Docker Compose launches, executes, communicates, and closes Docker containers with a single coordinated command. It is used for defining and running multi-container Docker applications. Follow this step-by-step guide to install Docker Compose on Ubuntu 20.04/22.04.

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Docker ADD vs. COPY: What are the Differences?

January 25, 2024

Docker offers two commands for copying content into a Docker image using Dockerfile: COPY and ADD. This article explores the similarities and differences between the two instructions and advises you which one to use.

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VMware ESXi Alternatives


This article explores free VMware ESXi hypervisor alternatives and lists their most important features.

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Containers vs Virtual Machines (VMs): What's the Difference?


Containers and virtual machines are both used to create isolated virtual environments for developing and testing applications or software. This article examines the two virtualization methods to help you understand the difference between them.

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What Is Docker?

January 17, 2024

Docker is a popular container-based platform. Learn all about Docker, its components and how it works.

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How to SSH into a Docker Container

December 19, 2023

This article shows how to SSH into a running Docker container. Docker's exec, attach, and run commands are the preferred methods to connect to a running container, but traditional SSH is also an option. This article explains all the options.

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VPN vs. VDI: What's the Difference?

December 15, 2023

Setting up a remote office system for your employees? Check out how VPN and VDI can help and learn about the differences of these two solutions.

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How to Install Kubernetes on Ubuntu 22.04

December 13, 2023

Kubernetes is a management platform for OCI compliant containers. It provides a way to balance loads between containers and run containers across multiple systems. This guide will walk you through installing and deploying Kubernetes on Ubuntu 20.04.

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Podman vs. Docker: Everything You Need to Know

December 12, 2023

As the containerization becomes the norm in DevOps world, Docker's competitors start to emerge. This article will compare two container management engines - Docker and Podman. It will also help you choose the right engine for your needs.

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How to Limit Docker Memory and CPU Usage

December 6, 2023

Docker containers have unlimited access to RAM and CPU memory of the host. This is not the recommended practice as it can have a negative effect on container performance, as well as overburden the host. Learn how to configure your containers to work within the specified memory and CPU resources.

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