1. 获取阿里云仓库的镜像源文件失败

Errors during downloading metadata for repository 'docker-ce-stable':   - Status code: 404 for https://mirrors.aliyun.com/docker-ce/linux/centos/10/aarch64/stable/repodata/repomd.xml (IP: 157.119.175.222)` 

参考来源：https://www.cnblogs.com/liumou-site/p/12630069.html

找到/etc/yum.repos.d/docker-ce.repo文件，修改里面的镜像源路径。 

文件如下，

是修改后的：

[docker-ce-stable]
name=Docker CE Stable - aarch64
baseurl=https://download.docker.com/linux/centos/7/aarch64/stable
enabled=1
gpgcheck=1
gpgkey=https://download.docker.com/linux/centos/gpg

[docker-ce-stable-debuginfo]
name=Docker CE Stable - Debuginfo aarch64
baseurl=https://download.docker.com/linux/centos/7/debug-aarch64/stable
enabled=0
gpgcheck=1
gpgkey=https://download.docker.com/linux/centos/gpg

[docker-ce-stable-source]
name=Docker CE Stable - Sources
baseurl=https://download.docker.com/linux/centos/7/source/stable
enabled=0
gpgcheck=1
gpgkey=https://download.docker.com/linux/centos/gpg

[docker-ce-test]
name=Docker CE Test - aarch64
baseurl=https://download.docker.com/linux/centos/7/aarch64/test
enabled=0
gpgcheck=1
gpgkey=https://download.docker.com/linux/centos/gpg

[docker-ce-test-debuginfo]
name=Docker CE Test - Debuginfo aarch64
baseurl=https://download.docker.com/linux/centos/7/debug-aarch64/test
enabled=0
gpgcheck=1
gpgkey=https://download.docker.com/linux/centos/gpg

[docker-ce-test-source]
name=Docker CE Test - Sources
baseurl=https://download.docker.com/linux/centos/7/source/test
enabled=0
gpgcheck=1
gpgkey=https://download.docker.com/linux/centos/gpg

[docker-ce-nightly]
name=Docker CE Nightly - aarch64
baseurl=https://download.docker.com/linux/centos/7/aarch64/nightly
enabled=0
gpgcheck=1
gpgkey=https://download.docker.com/linux/centos/gpg

[docker-ce-nightly-debuginfo]
name=Docker CE Nightly - Debuginfo aarch64
baseurl=https://download.docker.com/linux/centos/7/debug-aarch64/nightly
enabled=0
gpgcheck=1
gpgkey=https://download.docker.com/linux/centos/gpg

[docker-ce-nightly-source]
name=Docker CE Nightly - Sources
baseurl=https://download.docker.com/linux/centos/7/source/nightly
enabled=0
gpgcheck=1
gpgkey=https://download.docker.com/linux/centos/gpg

我的服务器版本是aarch64## 2. 安装Docker报错如下：

file /usr/share/man/man8/mount.fuse.8.gz from install of fuse-common-3.2.1-12.el8.aarch64 conflicts with file from package fuse-help-2.9.9-6.ky10.aarch64
解决方案：
首先输入命令：yum clean packages 清除所有缓存
然后：yum erase docker package fuse-help-2.9.9-6.ky10.aarch64 删除掉对应的文件
最后：yum install docker 再次安装docker即可，
安装成功后， 启动docker服务：sudo service docker start，
别忘了设置开机自启：
sudo systemctl enable docker