安装docker时卡住了，但是能ping通那个网址，在windows里也能查看那个网址，不知道为什么安装时读不到，一直卡住，请教下
root@hinas:~# ping mirrors.ustc.edu.cn
PING mirrors.ustc.edu.cn (202.141.176.110) 56(84) bytes of data.
64 bytes from mirrors.ustc.edu.cn (202.141.176.110): icmp_seq=1 ttl=54 time=14.2 ms
64 bytes from mirrors.ustc.edu.cn (202.141.176.110): icmp_seq=2 ttl=54 time=10.9 ms
64 bytes from mirrors.ustc.edu.cn (202.141.176.110): icmp_seq=3 ttl=54 time=15.2 ms
64 bytes from mirrors.ustc.edu.cn (202.141.176.110): icmp_seq=4 ttl=54 time=20.6 ms
64 bytes from mirrors.ustc.edu.cn (202.141.176.110): icmp_seq=5 ttl=54 time=12.9 ms
64 bytes from mirrors.ustc.edu.cn (202.141.176.110): icmp_seq=6 ttl=54 time=11.7 ms
C
--- mirrors.ustc.edu.cn ping statistics ---
6 packets transmitted, 6 received, 0% packet loss, time 5007ms
rtt min/avg/max/mdev = 10.945/14.260/20.569/3.161 ms
root@hinas:~# install-docker.sh
[ o.k. ] ... [ 已检测 ]
[ o.k. ] ... [ 在线安装 docker 请耐心等待完成。 ]
- DOWNLOAD_URL=https://mirrors.ustc.edu.cn/docker-ce
- pre_reqs='apt-transport-https ca-certificates curl software-properties-common'
++ dpkg --print-architecture
++ lsb_release -cs
- apt_repo='deb [arch=armhf signed-by=/etc/apt/keyrings/docker.gpg] https://mirrors.ustc.edu.cn/docker-ce/linux/ubuntu focal stable'
- pkgs='docker-ce docker-ce-cli containerd.io docker-compose-plugin'
- command -v gpg
- sh -c 'DEBIAN_FRONTEND=noninteractive apt-get install -y -qq apt-transport-https ca-certificates curl software-properties-common >/dev/null'
- sh -c 'install -m 0755 -d /etc/apt/keyrings'
- sh -c 'curl -fsSL "https://mirrors.ustc.edu.cn/docker-ce/linux/ubuntu/gpg" | gpg --dearmor --yes -o /etc/apt/keyrings/docker.gpg'
- sh -c 'chmod a+r /etc/apt/keyrings/docker.gpg'
- sh -c 'echo "deb [arch=armhf signed-by=/etc/apt/keyrings/docker.gpg] https://mirrors.ustc.edu.cn/docker-ce/linux/ubuntu focal stable" > /etc/apt/sources.list.d/docker.list'
- sh -c 'apt-get update -qq >/dev/null'
- sh -c 'DEBIAN_FRONTEND=noninteractive apt-get install -y -qq docker-ce docker-ce-cli containerd.io docker-compose-plugin >/dev/null'
