Home > Article > Operation and Maintenance > What should I do if docker cannot download the image?
1. Turn off the firewall
systemctl stop firewalld setenforce 0
2. Synchronize time
date -s 20170101
3. Install docker -devel
yum -y install docker-devel
4. Import And export:
docker save id号 > /opt/ 导出 docker load < 导入 docker tag c3987965c15d centos:7 改名
Recommended tutorial: docker tutorial
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