How to learn docker?

How to learn docker?

1. Learning Docker, if you don’t have basic knowledge of cloud computing and basic knowledge of the kernel, it will be a little difficult to learn and understand. As a container, what are the advantages and disadvantages of Docker containers? It is best to understand how containers are implemented (simple understanding); with image management, how can Docker embody software development, integration, deployment, release, and iteration of software? Lifecycle management advantages.

2. Regarding learning resources, there must always be minimum hardware facilities. Docker and its ecosystem are developing very fast, and without using pure theory, there will definitely be little effect. In addition, resources also include Docker official, major electronic media platforms, technology forums, open source communities, etc. Often the opinions of experts can clear up your own confusion, or let you know what aspects of your understanding are still lacking, and save you a lot of steps. detour.

3. As far as personal interest is concerned, it comes down to the fact that the melon is not sweet. At the very least, one should recognize the design value of Docker and its future potential. Of course, criticizing Docker with a basis and inspiring everyone's thinking is also a sign of deep concern.

4. Personal development direction, I personally think that if you need to use Docker as a software life cycle management tool, then using Docker well is the most important. Understanding and using APIs and commands is necessary. If you focus on system design, in addition to the above knowledge and experience of Docker, if you have the learning and understanding of Docker source code, then these will definitely improve your Docker level to a higher level.

5. Reading recommendation: Docker command instructions details
   

In summary, you need to know the following relevant knowledge points to learn Docker ：

• Linux system management (package management, user management, process management, etc.)

• Linux kernel related (Cgroup, namespace, etc.)

• Linux file system and storage related (AUFS, BRFS, devicemapper, etc.)

• Linux network (bridge, veth, iptables, etc.)

• Linux security related (Appmor, Selinux, etc.)

• Linux process management (Supervisord, Systemd etc)

• Linux container technology (LXC, etc.)

• Development language (Python, GO, Shell, etc.)

Recommended tutorial: docker Tutorial

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