docker-utils

Collect useful docker commands.

Usage

./docker.sh { create | exec | start | stop | status | install | clean | pull }

SSH Server

Build Image

docker build -t openssh-server .

Run Container

docker run -d -P --name prj-id-1 openssh-server
docker port sshd-1 22

Admin and Maintenance

Backup a Container

docker commit -p [container-id] backup01
docker save -o backup01.tar backup01

Restore a Container

docker load -i /tmp/backup01.tar

Docker Swarm

Manager

docker swarm init
docker network create -d overlay rd-net

Show join-token command for both worker and manager

docker swarm join-token manager

Worker

docker swarm join --token <your_token> <your_ip_address>:2377

Run Docker Service

docker service create --name prj-id-1 --publish target=22,published=10120 --replicas=1 \
--network rd-net openssh-server:0.1

Docker Hub

Tag Docker Image

docker image tag bulletinboard:1.0 gordon/bulletinboard:1.0

Image name: <Docker Hub ID>/<Image Name>:<tag>

Push Docker Image

docker login
docker image push gordon/bulletinboard:1.0

Reference

Installation

• https://www.linuxtechi.com/install-kubernetes-1-7-centos7-rhel7/

OpenSSH container

• https://docs.docker.com/engine/examples/running_ssh_service/
• https://www.thegeekdiary.com/how-to-backup-and-restore-docker-containers/
• https://leadwithoutatitle.wordpress.com/2018/03/07/how-to-create-an-ssh-enabled-docker-container-using-kubernetes/

Network

• https://docs.docker.com/network/network-tutorial-overlay/

Admin Guide

• https://docs.docker.com/engine/swarm/admin_guide/
• https://docs.docker.com/engine/swarm/swarm-tutorial/

Pushing and Pulling to and from Docker Hub

• https://ropenscilabs.github.io/r-docker-tutorial/04-Dockerhub.html

Others

NXP QorIQ SDK

docker run -d -p 30081:80 --name=sandbox1 -h sandbox1 qoriq/arm64-ubuntu \
    bash -c "lighttpd -f /etc/lighttpd/lighttpd.conf -D"

• run - create and start the container. Optionally, download the image if not available on the host.
• -d - start the container as a daemon.
• -p 30081:80 - forward port 80 in the container to port 30081 on the board.
• --name=sandbox1 - the name of the container (as visible to Docker).
• -h sandbox1 - the hostname inside the container.
• bash -c "lighttpd -f /etc/lighttpd/lighttpd.conf -D" - the command to execute as PID 1 in the container.

Build Yocto 3.3.3 from Yocto 3.1.11 Docker Environment

mkdir build
chown 30000:30000 build
docker run -it --rm -u 30000 -v /home/root/build:/project gmacario/build-yocto

build@56c26aea6341:~$ cd /project/
build@56c26aea6341:/project$ curl -O http://downloads.yoctoproject.org/releases/yocto/yocto-3.3.3/poky-hardknott-25.0.3.tar.bz2
build@56c26aea6341:/project$ tar xjf poky-hardknott-25.0.3.tar.bz2
build@56c26aea6341:/project$ cd poky-hardknott-25.0.3
build@56c26aea6341:/project/poky-hardknott-25.0.3$ source ./oe-init-build-env
build@56c26aea6341:/project/poky-hardknott-25.0.3/build$ bitbake core-image-minimal