前言:虚拟机CentOS7
报错主要内容:
解决方法——换源
(切换到root用户下才可以修改此文件)
1.打开/etc/yum.repos.d/CentOS-Base.repo文件
vim /etc/yum.repos.d/CentOS-Base.repo
2.将/etc/yum.repos.d/CentOS-Base.repo内容替换为以下内容
[base]
name=CentOS-$releasever - Base
baseurl=http://vault.centos.org/7.9.2009/os/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
[updates]
name=CentOS-$releasever - Updates
baseurl=http://vault.centos.org/7.9.2009/updates/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
[extras]
name=CentOS-$releasever - Extras
baseurl=http://vault.centos.org/7.9.2009/extras/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
wq保存退出,再重新运行yum update即可