巨坑，切忌不要輕易刪除linux系統(tǒng)自帶版本的python

1.卸載python(防止未卸載干凈)

rpm -qa|grep python|xargs rpm -ev --allmatches --nodeps #強制刪除已安裝程序及其關聯(lián)

whereis python|xargs rm -frv 　 #刪除所有殘余文件 #xargs，允許你對輸出執(zhí)行其他某些命令

2.卸載yum

rpm -qa|grep yum|xargs rpm -ev --allmatches --nodeps

rm -rf /etc/yum.repos.d/*

whereis yum|xargs rm -frv

3.驗證是否刪除干凈

whereis python #驗證刪除，應該是沒有結果返回

whereis yum

4.安裝python和yum

軟件下載地址(我這里系統(tǒng)是centos 7.5.1804)

查看linux系統(tǒng)版本：cat /etc/redhat-release

所需文件如下：(下載自己系統(tǒng)對應版本的就好)

wget http://vault.centos.org/7.5.1804/os/x86_64/packages/lvm2-python-libs-2.02.177-4.el7.x86_64.rpm

wget http://vault.centos.org/7.5.1804/os/x86_64/packages/libxml2-python-2.9.1-6.el7_2.3.x86_64.rpm

wget http://vault.centos.org/7.5.1804/os/x86_64/packages/python-libs-2.7.5-68.el7.x86_64.rpm

wget http://vault.centos.org/7.5.1804/os/x86_64/packages/python-ipaddress-1.0.16-2.el7.noarch.rpm

wget http://vault.centos.org/7.5.1804/os/x86_64/packages/python-backports-1.0-8.el7.x86_64.rpm

wget http://vault.centos.org/7.5.1804/os/x86_64/packages/python-backports-ssl_match_hostname-3.5.0.1-1.el7.noarch.rpm

wget http://vault.centos.org/7.5.1804/os/x86_64/packages/python-2.7.5-68.el7.x86_64.rpm

wget http://vault.centos.org/7.5.1804/os/x86_64/packages/python-iniparse-0.4-9.el7.noarch.rpm

wget http://vault.centos.org/7.5.1804/os/x86_64/packages/python-pycurl-7.19.0-19.el7.x86_64.rpm

wget http://vault.centos.org/7.5.1804/os/x86_64/packages/python-urlgrabber-3.10-8.el7.noarch.rpm

wget http://vault.centos.org/7.5.1804/os/x86_64/packages/python-setuptools-0.9.8-7.el7.noarch.rpm

wget http://vault.centos.org/7.5.1804/os/x86_64/packages/python-kitchen-1.1.1-5.el7.noarch.rpm

wget http://vault.centos.org/7.5.1804/os/x86_64/packages/python-chardet-2.2.1-1.el7_1.noarch.rpm

wget http://vault.centos.org/7.5.1804/os/x86_64/packages/rpm-python-4.11.3-32.el7.x86_64.rpm

wget http://vault.centos.org/7.5.1804/os/x86_64/packages/yum-utils-1.1.31-45.el7.noarch.rpm

wget http://vault.centos.org/7.5.1804/os/x86_64/packages/yum-3.4.3-158.el7.centos.noarch.rpm

wget http://vault.centos.org/7.5.1804/os/x86_64/packages/yum-metadata-parser-1.1.4-10.el7.x86_64.rpm

wget http://vault.centos.org/7.5.1804/os/x86_64/packages/yum-plugin-aliases-1.1.31-45.el7.noarch.rpm

wget http://vault.centos.org/7.5.1804/os/x86_64/packages/yum-plugin-protectbase-1.1.31-45.el7.noarch.rpm

wget http://vault.centos.org/7.5.1804/os/x86_64/packages/yum-plugin-fastestmirror-1.1.31-45.el7.noarch.rpm

5.上傳并安裝

我這里是或取鏈接后直接wget到一個目錄中的，直接進入目錄執(zhí)行一下命令即可

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

安裝成功后執(zhí)行

yum

python

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