CentOS7误操作卸载python导致python和yum都不可使用解决方案 ###1.创建目录python和yum用以存放rpm包： ``` mkdir /usr/local/src/python mkdir /usr/local/src/yum ``` ###2.使用wget分别下载python以及yum的rpm包（注意：一定要和系统的版本号对应）地址：http://vault.centos.org #####（1）下载python的rpm包： ``` cd /usr/local/src/python wget http://vault.centos.org/7.2.1511/os/x86_64/Packages/python-2.7.5-34.el7.x86_64.rpm wget http://vault.centos.org/7.2.1511/os/x86_64/Packages/python-iniparse-0.4-9.el7.noarch.rpm wget http://vault.centos.org/7.2.1511/os/x86_64/Packages/python-pycurl-7.19.0-17.el7.x86_64.rpm wget http://vault.centos.org/7.2.1511/os/x86_64/Packages/python-devel-2.7.5-34.el7.x86_64.rpm wget http://vault.centos.org/7.2.1511/os/x86_64/Packages/python-libs-2.7.5-34.el7.x86_64.rpm wget http://vault.centos.org/7.2.1511/os/x86_64/Packages/python-urlgrabber-3.10-7.el7.noarch.rpm wget http://vault.centos.org/7.2.1511/os/x86_64/Packages/rpm-python-4.11.3-17.el7.x86_64.rpm ``` #####（2）下载yum的rpm包： ``` cd /usr/local/src/yum wget http://vault.centos.org/7.2.1511/os/x86_64/Packages/yum-3.4.3-132.el7.centos.0.1.noarch.rpm wget http://vault.centos.org/7.2.1511/os/x86_64/Packages/yum-metadata-parser-1.1.4-10.el7.x86_64.rpm wget http://vault.centos.org/7.2.1511/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.31-34.el7.noarch.rpm ``` ####3.安装python以及yum的rpm包 #####（1）安装python: ``` rpm -ivh python-* rpm-python-* --nodeps --force --nodeps --force为不考虑依赖包，强制安装。 ``` #####（2）安装yum: ``` cd /usr/local/src/yum rpm -ivh yum-* ``` 至此yum重新安装成功
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