Docker installation and configuration command code example

docker installation

Install dependency package

sudo yum install -y yum-utils device-mapper-persistent-data lvm2

Set up Alibaba Cloud Image Source

sudo yum-config-manager --add-repo /docker-ce/linux/centos/

Install Docker-CE

sudo yum install docker-ce

Start docker

# Start up automaticallysudo systemctl enable docker 
# Start the docker servicesudo systemctl start docker

Operation commands

# 1. Check the installed docker:docker images
# 2. Uninstall docker:sudo yum remove -y XXX
# 3. Delete the container image:sudo rm -rf /var/lib/docker
#4. Reinstall dockersudo yum install docker-ce
#5. Docker running statusdocker ps -a

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