Installing and using docker in Ubuntu

XiaoMiao 2021-01-05 17:11:51
installing using docker ubuntu


Docker Is an open source application container engine , be based on Go Language And follow Apache2.0 Open source agreement .

Docker Allows developers to package their applications and dependencies into a lightweight package 、 In a portable container , Then post to any popular Linux On the machine , You can also implement virtualization .

Containers are completely sandboxed using the sandbox mechanism , There will be no interface between them ( similar iPhone Of app), More importantly, the container performance overhead is minimal .

Docker from 17.03 The version is divided into CE(Community Edition: Community Edition ) and EE(Enterprise Edition: Enterprise Edition ), We can use the community version .

to update ubuntu Of apt Source index

sudo apt-get update

Installation package allows apt adopt HTTPS Use the warehouse
sudo apt-get install \
apt-transport-https \
ca-certificates \
curl \
software-properties-common
add to Docker official GPG key
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
Set up Docker Stable version warehouse
sudo add-apt-repository \
"deb [arch=amd64] https://download.docker.com/linux/ubuntu \
$(lsb_release -cs) \
stable"
After adding the warehouse , to update apt Source index

sudo apt-get update

Install the latest version Docker CE( Community Edition )

sudo apt-get install docker-ce

Get into root jurisdiction

su root - Enter the local password

Look at the mirror image

docker images

View the currently running container

docker ps

View the currently running container and the failed container

docker ps -a

Check Docker CE Is it installed correctly

sudo docker run hello-world

start-up docker

sudo service docker start

stop it docker

sudo service docker stop

restart docker

sudo service docker restart

docker It is on by default after installation , You can use it directly ~~
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