centos7重装python2.7 重装yum

centos7 重装python2.7和yum

重装Python2.7

mkdir /usr/local/src/python
cd /usr/local/src/python
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/python2-rpm-macros-3-32.el7.noarch.rpm
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/python-srpm-macros-3-32.el7.noarch.rpm
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/python-rpm-macros-3-32.el7.noarch.rpm
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/python-2.7.5-88.el7.x86_64.rpm
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/python-iniparse-0.4-9.el7.noarch.rpm
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/python-pycurl-7.19.0-19.el7.x86_64.rpm
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/python-devel-2.7.5-88.el7.x86_64.rpm
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/python-libs-2.7.5-88.el7.x86_64.rpm
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/python-urlgrabber-3.10-10.el7.noarch.rpm
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/rpm-python-4.11.3-43.el7.x86_64.rpm
 
rpm -Uvh --replacepkgs python*.rpm

重装yum

wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-3.4.3-167.el7.centos.noarch.rpm
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-metadata-parser-1.1.4-10.el7.x86_64.rpm
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.31-53.el7.noarch.rpm
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-3.4.3-167.el7.centos.noarch.rpm
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/rpm-python-4.11.3-43.el7.x86_64.rpm
rpm -Uvh yum-*
说明:
如果提示404 说明版本更新, 需要网页进入http://mirrors.163.com/centos/7/os/x86_64/Packages找到新版本的链接wget, 如果已经下载, 但仍然提示is needed, 说明顺序不对, 应单独先用rpm -ivh 安装被依赖的包

使用阿里镜像源

cd /etc/yum.repos.d/
cp /CentOS-Base.repo /CentOS-Base-repo.bak
wget http://mirrors.aliyun.com/repo/Centos-7.repo
yum clean all
mv Centos-7.repo CentOS-Base.repo
yum makecache
yum update

参考链接
https://blog.csdn.net/huanyingfengxing/article/details/79834960?locationNum=14&fps=1