转载一篇文章作为记录
文章来源： 作者：小a_2bfa 链接：https://www.jianshu.com/p/5e6746f00d17 https://www.jianshu.com/p/5e6746f00d17
1.手贱把python卸载后yum也不能使用了，使用下面脚本可以一键安装 2.看好系统版本是 centos8-steam
安装脚本
#python
cd /usr/local/src/python
wget https://repo.huaweicloud.com/centos/8-stream/BaseOS/x86_64/os/Packages/python3-asn1crypto-0.24.0-3.el8.noarch.rpm
wget https://repo.huaweicloud.com/centos/8-stream/BaseOS/x86_64/os/Packages/python3-dnf-4.7.0-4.el8.noarch.rpm
wget https://repo.huaweicloud.com/centos/8-stream/BaseOS/x86_64/os/Packages/python3-gpg-1.13.1-9.el8.x86_64.rpm
wget https://repo.huaweicloud.com/centos/8-stream/BaseOS/x86_64/os/Packages/python3-hawkey-0.63.0-3.el8.x86_64.rpm
wget https://repo.huaweicloud.com/centos/8-stream/BaseOS/x86_64/os/Packages/python3-libcomps-0.1.16-2.el8.x86_64.rpm
wget https://repo.huaweicloud.com/centos/8-stream/BaseOS/x86_64/os/Packages/python3-libdnf-0.63.0-3.el8.x86_64.rpm
wget https://repo.huaweicloud.com/centos/8-stream/BaseOS/x86_64/os/Packages/python3-libs-3.6.8-41.el8.x86_64.rpm
wget https://repo.huaweicloud.com/centos/8-stream/BaseOS/x86_64/os/Packages/python3-rpm-4.14.3-19.el8.x86_64.rpm
wget https://repo.huaweicloud.com/centos/8-stream/BaseOS/x86_64/os/Packages/platform-python-3.6.8-41.el8.x86_64.rpm
#yum
cd /usr/local/src/yum
wget https://repo.huaweicloud.com/centos/8-stream/BaseOS/x86_64/os/Packages/yum-4.7.0-4.el8.noarch.rpm
wget https://repo.huaweicloud.com/centos/8-stream/BaseOS/x86_64/os/Packages/yum-utils-4.0.21-3.el8.noarch.rpm
#安装Python
cd /usr/local/src/python
# 安装python
rpm -ivh python3-* platform-python-* --nodeps --force
安装yum
#安装yum cd /usr/local/src/yum
rpm -Uvh --force --nodeps *.rpm
使用方式 1.在root账户下
vim /home/install_yum.sh 将脚本贴过来
chmod u+x /home/install_yum.sh
sh /home/install_yum.sh
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