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| mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
yum clean all yum makecache
yum install -y wget vim iputils-ping net-tools psmisc nmap-ncat.x86_64 tcpdump telnet lrzsz unzip zip
sudo yum install -y yum-utils device-mapper-persistent-data lvm2
sudo yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo sudo yum makecache fast sudo yum -y install docker-ce
systemctl start docker systemctl enable docker
sudo mkdir -p /etc/docker sudo tee /etc/docker/daemon.json <<-'EOF' { "registry-mirrors": ["https://fzhifedh.mirror.aliyuncs.com"] }
EOF sudo systemctl daemon-reload sudo systemctl restart docker
docker pull
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