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containerd Deep Dive

Explore containerd — the industry-standard container runtime powering Docker and Kubernetes. Learn its architecture, components, CLI tools, and production deployment.

containerd Fundamentals

start here: no prior containerd knowledge needed

  • What is containerd?

    container runtime, CNCF graduated project, architecture overview

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  • containerd vs Docker

    differences, use cases, when to use each

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  • Installing containerd

    Ubuntu, CentOS, macOS, Windows installation

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Architecture & Components

understand how containerd works under the hood

  • containerd Architecture

    core components, gRPC API, modular design

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  • containerd Namespaces

    multi-tenancy, moby, k8s.io namespaces

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  • Snapshot Drivers

    overlayfs, native, devicemapper, zfs, btrfs

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  • Content Store & Image Management

    OCI images, content addressing, metadata storage

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containerd CLI Tools

manage containers with ctr and nerdctl

  • ctr: The Native CLI

    basic commands, debugging, low-level operations

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  • nerdctl: Docker-Compatible CLI

    Docker-like commands, Compose support, rootless

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  • nerdctl compose

    running multi-container apps with containerd

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containerd & Kubernetes (CRI)

Kubernetes Container Runtime Interface

  • containerd CRI Plugin

    how containerd integrates with Kubernetes

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  • crictl: Debugging Kubernetes Containers

    inspect pods, containers, images in K8s nodes

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  • Setting up Kubernetes with containerd

    kubeadm configuration, containerd as runtime

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  • containerd vs CRI-O

    comparison, performance, use cases

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Advanced Operations

production-grade containerd management

  • containerd Configuration

    config.toml, plugins, registry configuration

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  • Logging & Monitoring

    log drivers, metrics, Prometheus integration

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  • Rootless containerd

    running containerd without root privileges

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  • Performance Tuning

    optimizing containerd for production workloads

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Security

secure your containerd deployment

  • Security Best Practices

    seccomp, AppArmor, SELinux with containerd

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  • Image Signing & Verification

    Cosign, Notary, image trust

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  • Secrets Management

    handling sensitive data in containers

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Troubleshooting & Debugging

solve common containerd issues

  • containerd Logs & Debugging

    debugging containerd daemon issues

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  • Common containerd Issues

    image pull failures, OCI runtime errors

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  • containerd Disk Space Cleanup

    pruning images, content, snapshots

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Interview & Real-World Scenarios

ace your container runtime interview

  • containerd Interview Questions

    basic to advanced topics, scenario-based

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  • Production Deployment Guide

    best practices for running containerd in production

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  • containerd Cheatsheet

    quick reference for daily containerd commands

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