1. [root@linuxprobe ~]#rpm -qa | grep yum
查看本機yum安裝情況
2.[root@linuxprobe ~]#rpm -qa | grep yum | xargs -e --nodeps
刪除本機yum配置
3.[root@linuxprobe ~]#rpm -qa | grep yum
繼續(xù)查看本機yum的安裝情況
4.登錄網(wǎng)站
http://mirrors.163.com/centos/7/os/x86_64/Packages/
下載
[root@linuxprobe ~]#wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-3.4.3-161.el7.centos.noarch.rpm
[root@linuxprobe ~]#wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-metadata-parser-1.1.4-10.el7.x86_64.rpm
[root@linuxprobe ~]#wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.31-50.el7.noarch.rpm
[root@linuxprobe ~]#wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-updateonboot-1.1.31-50.el7.noarch.rpm
http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-utils-1.1.31-50.el7.noarch.rpm
使用
[root@linuxprobe ~]#rpm -ivh yum-* --force --nodeps
進行安裝
安裝完成后
進入
[root@linuxprobe ~]#cd /etc/yum.repos.d/
創(chuàng)建yum文件
[root@linuxprobe ~]#touch /etc/yum.repos.d/CentOS-Base.repo
修改文件
[root@linuxprobe ~]#vim /etc/yum.repos.d/CentOS-Base.repo
[base] name=CentOS-$7 - Base - 163.com baseurl=http://mirrors.163.com/centos/7/os/$basearch/ gpgcheck=1 gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7 [updates] name=CentOS-$7 - Updates - 163.com baseurl=http://mirrors.163.com/centos/7/updates/$basearch/ gpgcheck=1 gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7 [extras] name=CentOS-$7 - Extras - 163.com baseurl=http://mirrors.163.com/centos/7/extras/$basearch/ gpgcheck=1 gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7 [centosplus] name=CentOS-$7 - Plus - 163.com baseurl=http://mirrors.163.com/centos/7/centosplus/$basearch/ gpgcheck=1 enabled=0gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7
清空yum
[root@linuxprobe ~]#yum clean all
生成緩存
[root@linuxprobe ~]#yum makecache
