Linux Containers

tags: Public, Technical, Configuration, Linux, Ubuntu, Container, Docker, LXD

• Link on GitHub
• Link on HackMD

LXD

• sudo apt install lxd
• lxd init

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Docker

Install Docker Engine on Ubuntu

• Install script

Uninstall old versions

• sudo apt-get remove docker docker-engine docker.io containerd runc

Uninstall Docker Engine

• sudo apt-get purge docker-ce docker-ce-cli containerd.io

The following command will delete all exists images, containers, and volumes!

sudo rm -rf /var/lib/docker
sudo rm -rf /var/lib/containerd

Install using the repository

Set up the repository

• sudo apt-get update
• sudo apt-get install apt-transport-https ca-certificates curl gnupg lsb-release
• curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
• echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

Install Docker Engine

• sudo apt-get update
• sudo apt-get install docker-ce docker-ce-cli containerd.io

Setting up NVIDIA Container Toolkit

distribution=$(. /etc/os-release;echo $ID$VERSION_ID) \
   && curl -s -L https://nvidia.github.io/nvidia-docker/gpgkey | sudo apt-key add - \
   && curl -s -L https://nvidia.github.io/nvidia-docker/$distribution/nvidia-docker.list | sudo tee /etc/apt/sources.list.d/nvidia-docker.list

• curl -s -L https://nvidia.github.io/nvidia-container-runtime/experimental/$distribution/nvidia-container-runtime.list | sudo tee /etc/apt/sources.list.d/nvidia-container-runtime.list
• sudo apt-get update
• sudo apt-get install -y nvidia-docker2
• sudo systemctl restart docker
• sudo docker run --rm --gpus all nvidia/cuda:11.0-base nvidia-smi

Manage Docker as a non-root user

• sudo gpasswd -a $USER docker

Change Docker data directory

• sudo service docker stop
• Add command to /etc/docker/daemon.json

"data-root": "/mnt/uv500_raid0/docker"

Cross-platform emulators

Install Binfmt

Cross-platform emulator collection distributed with Docker images.

• Install script
• docker run --privileged --rm tonistiigi/binfmt --install all

Install qemu-user-static

Command

• docker system prune

run

• docker run -it --rm --platform linux/arm64 ubuntu /bin/bash
• docker run -it --rm --platform linux/amd64 ubuntu /bin/bash

buildx

• docker buildx ls
• docker buildx build --platform linux/amd64,linux/arm64 .

Dockerfile

• Dockerfile templates

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Podman

• TODO

Colima

• Colima on ARM Macでaarch64とx86_64のDocker環境を切り替えて使う