1、镜像下载加速的方法（亲测可用）
- vim /etc/docker/daemon.json
{
"registry-mirrors":["https://docker.mirrors.ustc.edu.cn"]
}
- vim /etc/sysconfig/docker
# /etc/sysconfig/docker
# Modify these options if you want to change the way the docker daemon runs
OPTIONS='--selinux-enabled --log-driver=journald --signature-verification=false --registry-mirror=http://f2d6cd40.m.daocloud.io'
if [ -z "${DOCKER_CERT_PATH}" ]; then
DOCKER_CERT_PATH=/etc/docker
fi
# Do not add registries in this file anymore. Use /etc/containers/registries.conf
# from the atomic-registries package.
#
- 重启守护进程
sudo systemctl daemon-reload
sudo systemctl restart docker
