Raspberry Pi 3 Model B+ 使用CentOS 7系统配置Yum源

    最近在树莓派3上安装了CentOS 7 ARM版系统，系统在华为开源镜像站下载，点击下载CentOS-Userland-7-armv7hl-RaspberryPI。系统安装后由于默认的yum源速度不尽人意想配置国内的Yum源，系统是在华为开源镜像站下载的，Yum源也想配置为华为开源镜像站的。

    由于华为开源镜像站没有给出CentOS-AltArch的.repo文件，只能自己参考CentOS-Base.repo配置了。

# CentOS-Base.repo
#
# The mirror system uses the connecting IP address of the client and the
# update status of each mirror to pick mirrors that are updated to and
# geographically close to the client.  You should use this for CentOS updates
# unless you are manually picking other mirrors.
#
# If the mirrorlist= does not work for you, as a fall back you can try the 
# remarked out baseurl= line instead.
#
#
 
[base]
name=CentOS-$releasever - Base - mirrors.huaweicloud.com
baseurl=https://mirrors.huaweicloud.com/centos-altarch/$releasever/os/$basearch/
gpgcheck=1
gpgkey=https://mirrors.huaweicloud.com/centos-altarch/$releasever/os/$basearch/RPM-GPG-KEY-CentOS-7
 
#released updates 
[updates]
name=CentOS-$releasever - Updates - mirrors.huaweicloud.com
baseurl=https://mirrors.huaweicloud.com/centos-altarch/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=https://mirrors.huaweicloud.com/centos-altarch/$releasever/os/$basearch/RPM-GPG-KEY-CentOS-7
 
#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras - mirrors.huaweicloud.com
baseurl=https://mirrors.huaweicloud.com/centos-altarch/$releasever/extras/$basearch/
gpgcheck=1
gpgkey=https://mirrors.huaweicloud.com/centos-altarch/$releasever/os/$basearch/RPM-GPG-KEY-CentOS-7
 
#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus - mirrors.huaweicloud.com
baseurl=https://mirrors.huaweicloud.com/centos-altarch/$releasever/centosplus/$basearch/
gpgcheck=1
enabled=0
gpgkey=https://mirrors.huaweicloud.com/centos-altarch/$releasever/os/$basearch/RPM-GPG-KEY-CentOS-7

#CentOS-armhfp-kernel.repo 
[centos-kernel]
name=CentOS Kernels for armhfp
baseurl=https://repo.huaweicloud.com/centos-altarch/$releasever/kernel/$basearch/kernel-$kvariant
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
       file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-AltArch-Arm32