# Centos7 reinstall Yum ###### tags: `系統` ``` 本次centos 7 版本為 centos7.6.18 ``` `不小心將python 刪除 導致 yum 無法使用` [Referance centos/packages/repository]('http://mirrors.163.com/centos/7/os/x86_64/Packages/') ## 1. 刪除所有python & yum 檔案 ### **1.1 Pyhton** * 強制刪除已安裝python 及關連檔案 ``` rpm -qa|grep python|xargs rpm -ev --allmatches --nodeps ``` * 刪除所有殘留檔案 ``` whereis python |xargs rm -frv -rf ``` ### **1.2 yum** * 強制刪除已安裝python 及關連檔案 ``` rpm -qa|grep yum|xargs rpm -ev --allmatches --nodeps ``` * 刪除所有殘留檔案 ``` whereis yum |xargs rm -frv -rf ``` ## 2. Download package 從[http://mirrors.163.com/centos/7/os/x86_64/Packages/]('http://mirrors.163.com/centos/7/os/x86_64/Packages/') 下載需求套件 (請依網站最新版本為準) ``` python-2.7.5-68.el7.x86_64.rpm python-devel-2.7.5-68.el7.x86_64.rpm python-iniparse-0.4-9.el7.noarch.rpm python-libs-2.7.5-68.el7.x86_64.rpm python-pycurl-7.19.0-19.el7.x86_64.rpm python-setuptools-0.9.8-7.el7.noarch.rpm python-urlgrabber-3.10-8.el7.noarch.rpm rpm-python-4.11.3-32.el7.x86_64.rpm yum-3.4.3-158.el7.centos.noarch.rpm yum-metadata-parser-1.1.4-10.el7.x86_64.rpm yum-plugin-aliases-1.1.31-45.el7.noarch.rpm yum-plugin-fastestmirror-1.1.31-45.el7.noarch.rpm yum-plugin-protectbase-1.1.31-45.el7.noarch.rpm yum-utils-1.1.31-45.el7.noarch.rpm ``` ## 3. 修改檔案名稱 ``` mv python-setuptools-0.9.8-7.el7.noarch.rpm python-setuptools-0.9.8-7.el7.noarch ``` ``` mv yum-utils-1.1.31-45.el7.noarch.rpm yum-utils-1.1.31-45.el7.noarch ``` ``` mv yum-plugin-aliases-1.1.31-45.el7.noarch.rpm yum-plugin-aliases-1.1.31-45.el7.noarch ``` ## 4. 安裝 `rpm -Uvh --replacepkgs python*.rpm` `rpm -Uvh --replacepkgs rpm-python*.rpm yum*.rpm` * 如一直報錯![](https://i.imgur.com/wIQsuXn.png) ，確認無缺少檔案時使用`rpm -ivh --force --nodeps rpm-python*.rpm yum*.rpm` ## 5. 測試 * Python `python --version` * yum `yum --version` * update yum `yum update -y`