報錯linux
解決centos
1、將自帶的yum卸載掉緩存
2、下載centos的yum並安裝測試
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-metadata-parser-1.1.4-10.el7.x86_64.rpmspa
wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.31-52.el7.noarch.rpm.net
wget http://rpmfind.net/linux/centos/7.7.1908/os/x86_64/Packages/yum-3.4.3-163.el7.centos.noarch.rpm3d
注:如提示缺哪一個包再單獨安裝哪一個blog
[root@rac2 yum.repos.d]# pwdget
/etc/yum.repos.dast
[root@rac2 yum.repos.d]# mv public-yum-ol7.repo{,.bak}
釋上圖:如gpgcheck=0時,gpgkey可不寫
[root@rac2 yum.repos.d]# mount /dev/sr0 /mnt/usb1
3、清除yum緩存並重建
4、yum安裝測試