Master Docker Container For Beginner

Adopt an enterprise lab setup using virtualization: install a Linux VM (CentOS) via VMware or VirtualBox, then install Docker and start containers. Avoid direct Docker on Windows or Mac.

Install VMware workstation and license, create a Linux virtual machine with bridged networking, and select an appropriate Linux OS version to begin practicing.

Learn to install centos 8 in a virtual environment, configure hardware and network bridge for seamless connectivity, and prepare the system for docker setup.

Install and configure docker on CentOS 8 by setting up the docker repo, installing the engine and CLI, starting the docker service, and running a hello world test.

cover linux fundamentals across rpm- and Debian-based distros, set up ssh and file transfers, master essential commands, permissions, networking, disk, patching, and cloud readiness.

Explore shell terminals and why bash is favored for development and administration, comparing Z shell, fish, dash, and csh, and highlighting bash’s autocomplete and workflow benefits.

Learn to use pipes and pipelines to filter command output with grep and chain commands across Linux, Unix, Mac, and Windows.

Learn the linux file system hierarchy, starting at the root slash, understand absolute paths like /home and /tmp, and see how mounting a new disk integrates into the root tree.

Execute essential daily commands across Linux, Unix, and Mac, including ls, cd, and mv, with a focus on options, patching, disk management, LVM, and basic networking.

Master essential Linux commands by using man for help and ls with flags -l, -a, -h, -t, -r to view permissions, sizes, and hidden files.

Navigate the filesystem with cd, print your current directory with pwd, and copy, move, delete, or create files and directories using cp, mv, rm, and mkdir, preserving permissions as needed.

Master grep for efficient Linux and Docker search; use -i, -r, -l, -n, -w, and -v to locate text, IPs, and logs.

Master essential Linux commands for disk usage and file exploration with df, cat, and grep, monitor logs with tail and tail -f, and create aliases to speed daily tasks.

Learn to edit configuration and scripts on Linux using Vim and Nano, including inserting, deleting, saving, quitting, and navigating with hjkl or arrow keys, plus coloring and installation tips.

Learn to transfer files between Linux and Windows using FileZilla or SCP, including session setup, authentication, and ownership. Explore two-way transfers, permissions, and network considerations like jump hosts and ping.

Master the basics of using su to switch to another user, understand when to use sudo, and learn how dash versus no dash affects movement and password requirements.

Learn how sudo grants selected users group-based privileges to run commands as root, manage passwords, and review logs for auditing through sudoers configuration.

Discover how Docker containers create a portable environment so an app runs across laptops and servers, using images stored in Docker Hub or cloud registries.

Explore why containers beat virtual machines for deploying many applications, using docker to run 100 containers on one server, delivering cost savings, scalability, and quick deployment.

This lecture explains how Docker containers isolate applications with different environments (Python 2 vs Python 3) on a single Linux host, offering scalable, lightweight separation over VMs.

Learn the difference between Docker images and containers, using templates and tags to manage reusable images, download from Docker Hub, and run multiple containers, each with specific software like Zoom.

Learn how to manage docker images, pull from Docker Hub, use tags and latest versions, list and delete images with docker image ls and docker rmi, and view image history.

Use docker run to pull images when needed and start containers, then manage them with docker ps and docker rm, naming each container with --name for stability.

Learn tips to delete everything in Docker: stop and remove all containers, then remove images, volumes, and networks with docker rm $(docker ps -aq) and docker rmi $(docker images -aq).

Learn how to attach and detach containers, running in foreground or background, with Linux and Docker examples using -d, ps, and kill to manage processes.

Access docker containers using docker exec with a container name or ID, use -it for an interactive shell (sh or bash), and view running processes with top or ps -ef.

Map container ports to the Linux host to access web and database apps, using port 80 for http and 22 for ssh, and inspect open ports with netstat.

Connect and map ports between a Docker container and the Linux host. Use one process per container and publish ports with -p to enable outside access via unique host ports.

Explore practical port mapping in docker: run containers, publish ports with -p, manage external and internal ports, avoid clashes, and verify access with curl.

Learn how volumes store data on the host and persist when containers stop, enabling shared data across containers by creating a named volume, such as web.

Learn how to use docker volumes by mounting a volume to containers, sharing data, and verifying data persists after containers are stopped or removed.

Explore how Docker networking enables container-to-container communication and isolation through bridge networks and VLAN-like segmentation, empowering troubleshooting and scalable deployments.

Create docker networks such as Google network and Yahoo network, connect containers like Ansible, Google web, and Yahoo app, and test dns and cross-network connectivity.

Learn what docker compose is and how a single file defines multiple containers, then use docker compose up to automate and run them together, comparing with docker run.

Practice wiring docker containers with a custom web network and volumes, connect mysql to an interface, expose port 8080, then convert the setup to docker compose and test access.

Explore how Docker registry and Docker repo organize containers, including Docker Hub as a public repository, and learn to pull, push, and tag images with user IDs and versions.

Learn to set up a private docker registry inside an enterprise network, creating a central repo and client, enabling offline pull and push of images without internet access.

learn to build docker images by creating a dockerfile and using from and cmd; build with docker build, tag with user and repository, and run containers from the image.

Learn to build a Docker image from a base image using a Dockerfile, including labels, maintainer, run, copy, expose, workdir, environment variables, user, and specific cmd entries.

Discover how to build docker run commands, using slash and backslash as line continuations, while configuring container names, networks, volumes, port mappings, and the php apache image.