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| # 查看
systemctl list-units
sudo yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-engine
sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
sudo yum install -y yum-utils
sudo yum -y install docker-ce-20.10.17 docker-ce-cli-20.10.17 containerd.io-1.6.6
sudo vi /etc/yum.repos.d/docker-ce.repo
[centos-extras]
name=Centos extras - $basearch
baseurl=http://mirror.centos.org/centos/7/extras/x86_64
enabled=1
gpgcheck=1
gpgkey=http://centos.org/keys/RPM-GPG-KEY-CentOS-7
sudo yum -y install fuse-overlayfs slirp4netns
# sudo chmod 777 docker-ce.repo
# yum list docker-ce --showduplicates | sort -r
sudo systemctl start docker
sudo docker run hello-world
sudo yum install /path/to/package.rpm
sudo systemctl start docker
sudo docker run hello-world
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