Every piece of technology in China has its own mirror.
To pull images:
docker pull dockerhub.azk8s.cn/tlopo/troubleshoot # This seems to require authentication now
docker pull hub-mirror.c.163.com/library/java:8
docker pull docker.mirrors.ustc.edu.cn/library/java:8
Alpine apk mirrors:
sed -i "s#http://dl-cdn.alpinelinux.org/alpine#https://mirrors.aliyun.com/alpine#g" /etc/apk/repositories
Install python libraries:
pip install -i https://pypi.tuna.tsinghua.edu.cn/simple 'awscli==1.16.91'
or
mkdir ~/.pip
cat <<EOF > ~/.pip/pip.conf
[global]
index-url = https://mirrors.aliyun.com/pypi/simple/
EOF
NPM libraries:
npm config set registry https://registry.npm.taobao.org
Ubuntu / Debian:
sed -i "s/archive.ubuntu./mirrors.aliyun./g" /etc/apt/sources.list
sed -i "s/deb.debian.org/mirrors.aliyun.com/g" /etc/apt/sources.list
sed -i "s/security.debian.org/mirrors.aliyun.com\/debian-security/g" /etc/apt/sources.list