Install Docker for Linux

1. Install GCC

yum -y install gcc
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yum -y install gcc-c++
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If the installation is successful, you can see the version GCC -v on the bottom lineCopy the code

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2, uninstall the previous docker (if not installed before do not need to uninstall)

2-1: root permission Run the following command

yum remove docker \
        docker-client \
        docker-client-latest \
        docker-common \
        docker-latest \
        docker-latest-logrotate \
        docker-logrotate \
        docker-engine
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2-2: non-root privileges plus sudo

sudo yum remove docker \
        docker-client \
        docker-client-latest \
        docker-common \
        docker-latest \
        docker-latest-logrotate \
        docker-logrotate \
        docker-engine
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3. Install the software package

Sudo yum install -y yum-utilsCopy the code

4. Set up the mirror vault

This step is very important, we need to change the mirror warehouse to Ali Cloud, so that the download speed is not slow.

yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
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We can view our warehouse configuration file with the following command

cat /etc/yum.repos.d/docker-ce.repo 
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Update yum package index

yum makecache fast
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6. Install Docker

yum -y install docker-ce
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7. Start Docker

systemctl start docker
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docker version
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8. Configure mirror acceleration

8-1: Obtain the mirror accelerator

mkdir -p /etc/docker
vim /etc/docker/daemon.json
systemctl daemon-reload
systemctl restart docker
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