CentOS Stream 运行 "yum update" 遇到 "SSL certificate problem"

问题

运行 yum update 出现以下错误

Errors during downloading metadata for repository 'baseos':

• Curl error (60): SSL peer certificate or SSH remote key was not OK for https://mirrors.centos.org/metalink?repo=centos-baseos-9-stream&arch=x86_64&protocol=https,http [SSL certificate problem: self-signed certificate in certificate chain]
  Error: Failed to download metadata for repo 'baseos': Cannot prepare internal mirrorlist: Curl error (60): SSL peer certificate or SSH remote key was not OK for https://mirrors.centos.org/metalink?repo=centos-baseos-9-stream&arch=x86_64&protocol=https,http [SSL certificate problem: self-signed certificate in certificate chain]

解决办法

vim /etc/yum.conf
添加 sslverify=false