Tiven Wang
Wang Tiven April 25, 2017
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犀牛 在犀类的后代中,现仅残存有犀牛科的4属5种,主要分布在亚洲和非洲,其中分布在亚洲的犀牛已经濒临绝种,非洲犀牛因为还有保护措施尚有族群。主要是因为犀牛角作为药材获利不菲,现行非洲犀牛角主要由养殖者所提供。南非养殖者会将犀牛角砍下,等待约一年半后再度收成,而部分盗猎者会将犀牛直接杀死取角,随盗猎导致数量减少,现在也不容易买到真正的犀牛角,现在商贩还懂得以牛羊的蛋白质部位替代来获利,甚至用相似成分的猫狗爪磨成假货变换充数。

Basic Operations

Login Docker CLI

docker login

Cleaning Up Stopped Containers

$ docker rm -v $(docker ps -aq -f status=exited)

> docker rm -v (docker ps -aq -f status=exited)

Accessing host machine from within docker container

Run docker container with option:

docker run --net=host ... or docker run --network host ...

Within the container to get the IP of the host:

route | awk '/^default/ { print $2 }' or ip route | awk '/^default/ { print $3 }'

stackoverflow.com - Let two Containers getting linked to eachother


Add entries to container hosts file (–add-host):

docker run --add-host="docker:"


docker run --add-host=docker: --rm -it byrnedo/alpine-curl -H "Accept: application/json" docker:8080/uaa/login

Accessing host machine from within docker container


In docker-compose use network_mode: “host”

And alse need extra_hosts when you get error

  - "moby:"

Add hostname mappings. Use the same values as the docker client --add-host parameter.

  - "somehost:"
  - "otherhost:"

An entry with the ip address and hostname will be created in /etc/hosts inside containers for this service, e.g:  somehost   otherhost

Docker Machine – moby: Name or service not known

Container Proxy

docker run -e "http_proxy=http://myproxy.example.com:8080" \
           -e "https_proxy=https://myproxy.example.com:8080" \

How to get a Docker container’s IP address from the host?

docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' <container name or id>

docker inspect <container name or id> | grep "IPAddress"

How to get IP address when Docker containers in Hyper-V VM

如果你的 Windows 系统上的 Docker 默认使用 Hyper-V VM 实现,那么 Docker 命令参数 --net=host 就不是连的物理主机而是 Hyper-V VM 里的虚拟主机。想要查看此虚拟主机的 IP Address,首先通过 Windows 命令 ipconfig 查看发现 Ethernet adapter vEthernet (DockerNAT) 网络适配器的地址是如,那么再通过用 Advanced IP Scanner 软件扫描可以发现 地址,如果 Hyper-V VM 只有一个虚拟机,那么就是它了。


Docker Daemon Proxy

  1. Create a systemd drop-in directory for the docker service:

$ sudo mkdir -p /etc/systemd/system/docker.service.d

  1. Create a file called /etc/systemd/system/docker.service.d/http-proxy.conf that adds the HTTP_PROXY environment variable:
  Environment="HTTP_PROXY=http://proxy.example.com:80/" "NO_PROXY=localhost,"


  $ cat <<EOF >/etc/systemd/system/docker.service.d/http-proxy.conf
  Environment="HTTP_PROXY=http://proxy.example.com:80/" "NO_PROXY=localhost,"

If you are behind an HTTPS proxy server

  $ cat <<EOF >/etc/systemd/system/docker.service.d/https-proxy.conf
  Environment="HTTPS_PROXY=https://proxy.example.com:443/" "NO_PROXY=localhost,"
  1. Flush changes:

$ sudo systemctl daemon-reload

  1. Restart Docker:

$ sudo systemctl restart docker

  1. Verify that the configuration has been loaded:
  $ systemctl show --property=Environment docker

Docker daemon proxy config with systemd


Running Nodejs

$ docker run -it --rm --name my-running-script -v "$PWD":/usr/src/app -w /usr/src/app node node your-daemon-or-script.js

> docker run -it --rm --name my-running-script -v "%cd%":/usr/src/app -w /usr/src/app node npm install

> docker run -it --rm --name my-running-script -v "%cd%":/usr/src/app -w /usr/src/app -p 6001:6001 node node router.js

Running Jekyll

docker run --rm -e "JEKYLL_ENV=docker" -v ${PWD}:/srv/jekyll -v ${PWD}/_bundle:/usr/local/bundle -p 4000:4000 -it jekyll/jekyll jekyll serve --config _config.yml,_config.docker.yml

The above command line is for PowerShell. For Windows Command Line (cmd), replace ${PWD} with %cd%.


url: "http://localhost:4000"


Running SAP Cloud Platform Application

Build a docker image using Dockerfile:

FROM maven:3.5.0-jdk-8

COPY neo-java-web-sdk-2.72.17 /usr/share/neo-java-web-sdk-2.72.17

RUN ln -s /usr/share/neo-java-web-sdk-2.72.17/tools/neo.sh /usr/bin/neo

CMD neo

build the image: docker build -t test/scp .


> docker run --rm -it -w /app -v C:/dev/github/myapp:/app -v C:/Users/<User>/.m2/repository:/root/.m2/repository test/scp mvn package -DskipTests

Run Tomcat7:

> docker run --rm -it -w /app -v C:/dev/github/myapp:/app -v C:/Users/<User>/.m2/repository:/root/.m2/repository -p 8080:8080 test/scp mvn tomcat7:run

Open HANA DB tunnel:

> docker run --rm -it -e "https_proxy=proxy:8080" -p 30015:30015 test/scp neo open-db-tunnel -h int.sap.hana.ondemand.com -u <User> -a ixxxxxxsapdev --id hanadb

Running Private Registry

Running: docker run -d -p 5000:5000 --restart always --name registry registry:2

Tagging: docker tag test/jekyll localhost:5000/test/jekyll

Pushing: docker push localhost:5000/test/jekyll

Running CloudFoundry CLI

docker run -v /workspace -it diegoteam/cf-cli

Running Puppet

docker run --rm -it -w /workspace -v C:/Users/C5235715/dockers/learning-puppet4:/workspace devopsil/puppet bash

Running Maven

docker run --rm -it -w /workspace -v C:/dev/works/onlingo:/workspace -v C:/Users/C5235715/.m2/repository:/root/.m2/repository maven:3.5.0-jdk-8 mvn archetype:generate -DinteractiveMode=false -Dversion=1.0.0-SNAPSHOT -DgroupId=com.sample -DartifactId=my-car-service -DarchetypeGroupId=org.apache.olingo -DarchetypeArtifactId=olingo-odata2-sample-cars-annotation-archetype -DarchetypeVersion=2.0.0

Running RabbitMQ


$ docker run -d --hostname my-rabbit --name some-rabbit rabbitmq:3


“New state of ‘nil’ is invalid”

Ah right, I get it now. Have verified just now that this is still an issue on docker master, but only when using the legacy (go-ansiterm emulated) console. Which means on any version of Windows before Windows 10, or Windows 10 with the console explicitly set to legacy mode. MC does run just fine on a Windows 10 client (with console in native/default mode) pointing to a Linux daemon:

Recommend: ConEmu with PowerShell on Windows

“New state of ‘nil’ is invalid” when attaching to container, probably related to UTF-8

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