Containers Deep Dive (English)

Duur
1 dag
Prijs

€ 845,-
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Locatie

Nieuwegeinvirtueel
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Lesvorm
klassikaal

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Nowadays, the use of containerized applications is booming. Still many developers, system administrators and cluster administrators are not aware what exactly a container is. Most often a container is considered to be a ‘box’ in which application processes can be started (similar to a virtual machine), while the container approach differs significantly from virtual machines. Let alone that container users are aware of more sophisticated mechanisms that can be used to share (parts of) the environment of one containerized application with another one or guarantee/limit hardware resource utilization of a containerized application.
In this training the basic building blocks of a containerized process (in the Linux context) are covered, i.e. kernel namespaces, cgroups, capabilities and chroot/pivot_root. Knowledge about these mechanisms is indespensable when working with containers, but is also very useful for system trouble shooting and system tuning outside the scope of containers. After the theoretical lecture about each building block, the correlation with the specific parameters of Docker, Podman and Kubernetes will be explained as well.
During this training you will gain hands-on experience by building a containerized application, just by using the standard Linux commands.

Doel

This one day course provides deeper knowledge about the building blocks that make up containers in a Linux environment, like kernel namespaces, cgroups, capabilities and alternative root directory.

Doelgroep

Developers and administrators who want to gain a deeper insight into the container infrastructure.

Voorkennis

Fundamental knowledge about the use of containers with e.g. Docker, Podman or Kubernetes

Docker Fundamentals

Kubernetes Fundamentals

Bijzonderheden

This course is delivered in collaboration with AT Computing.

Jan Struik

senior accountmanager

Onderwerpen

General concept of a containerized application
Building blocks of containerized application
Kernel namespaces
- UTS namespace
- IPC namespace
- PID namespace
- NET namespace
- MNT namespace
- USER namespace (separate chapter)
- Correlation with Docker, Podman and Kubernetes

Modified root directory
- Concept of chroot
- Concept of pivot_root
- Correlation with Docker, Podman and Kubernetes
Capabilities
- Concept of special privileges assigned to processes/threads
- Correlation with Docker, Podman and Kubernetes
Cgroups version 2
- CPU controller
- CPUSET controller
- MEMORY controller
- I/O controller
- Correlation with Docker, Podman and Kubernetes

Planning & Prijs

* *Een cursus met start gegarandeerd.
*Een cursus met valt onder de actie Summer Academy.

Alle prijzen zijn excl. BTW.

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"Training was prima, goede tips gekregen met af en toe een grap en grol. Locatie was prima, goed verzogd vwb koffie/thee, fruit en koekje. Mensen ook zeer vriendelijk. Lunch was perfect en zeer uitgebreid."

"De cursus was goed, en de verzorging ook!Ik heb er veel van opgestoken! De lokatie in Nieuwegein is goed te bereiken met het openbaar vervoer, dus dat is prettig. Tot een volgenden keer."

"Ik vond de training erg leerzaam. De inhoud was van een hoog niveau en de docent was goed thuis in de materie. Ik stel het vooral op prijs dat er diep op de concepten werd ingegaan."

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