linux安装python、yum
1.查看linux系统版本：cat /etc/redhat-release
2.linux 初始化yum和python
2.1下载这些包。。
wget http://vault.centos.org/7.7.1908/os/x86_64/Packages/lvm2-python-libs-2.02.185-2.el7.x86_64.rpm 11
wget http://vault.centos.org/7.7.1908/os/x86_64/Packages/libxml2-python-2.9.1-6.el7_2.3.x86_64.rpm 1
wget http://vault.centos.org/7.7.1908/os/x86_64/Packages/python-libs-2.7.5-86.el7.x86_64.rpm 12
wget http://vault.centos.org/7.7.1908/os/x86_64/Packages/python-ipaddress-1.0.16-2.el7.noarch.rpm 5
wget http://vault.centos.org/7.7.1908/os/x86_64/Packages/python-backports-1.0-8.el7.x86_64.rpm 2
wget http://vault.centos.org/7.7.1908/os/x86_64/Packages/python-backports-ssl_match_hostname-3.5.0.1-1.el7.noarch.rpm 3
wget http://vault.centos.org/7.7.1908/os/x86_64/Packages/python-2.7.5-86.el7.x86_64.rpm 13
wget http://vault.centos.org/7.7.1908/os/x86_64/Packages/python-iniparse-0.4-9.el7.noarch.rpm 4
wget http://vault.centos.org/7.7.1908/os/x86_64/Packages/python-pycurl-7.19.0-19.el7.x86_64.rpm 7
wget http://vault.centos.org/7.7.1908/os/x86_64/Packages/python-urlgrabber-3.10-9.el7.noarch.rpm 14
wget http://vault.centos.org/7.7.1908/os/x86_64/Packages/python-setuptools-0.9.8-7.el7.noarch.rpm 8
wget http://vault.centos.org/7.7.1908/os/x86_64/Packages/python-kitchen-1.1.1-5.el7.noarch.rpm 6
wget http://vault.centos.org/7.7.1908/os/x86_64/Packages/python-chardet-2.2.1-3.el7.noarch.rpm 15
wget http://vault.centos.org/7.7.1908/os/x86_64/Packages/rpm-python-4.11.3-40.el7.x86_64.rpm 16
wget http://vault.centos.org/7.7.1908/os/x86_64/Packages/yum-utils-1.1.31-52.el7.noarch.rpm 17
wget http://vault.centos.org/7.7.1908/os/x86_64/Packages/yum-3.4.3-163.el7.centos.noarch.rpm 18
wget http://vault.centos.org/7.7.1908/os/x86_64/Packages/yum-metadata-parser-1.1.4-10.el7.x86_64.rpm 10
wget http://vault.centos.org/7.7.1908/os/x86_64/Packages/yum-plugin-aliases-1.1.31-52.el7.noarch.rpm 19
wget http://vault.centos.org/7.7.1908/os/x86_64/Packages/yum-plugin-protectbase-1.1.31-52.el7.noarch.rpm 20
wget http://vault.centos.org/7.7.1908/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.31-52.el7.noarch.rpm 21
2.2 安装执行命令
rpm -Uvh --replacepkgs lvm2-python-libs*.rpm --nodeps --force
rpm -Uvh --replacepkgs libxml2-python*.rpm --nodeps --force
rpm -Uvh --replacepkgs python*.rpm --nodeps --force
rpm -Uvh --replacepkgs rpm-python*.rpm yum*.rpm --nodeps --force
