vi /etc/yum.repos.d/CentOS-SCLo-scl.repo # 修改baseurl指向阿里云镜像 [centos-sclo-sclo] name=CentOS-7 - SCLo sclo baseurl=https://mirrors.aliyun.com/centos/7/sclo/x86_64/sclo/ gpgcheck=0 enabled=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-SCLo vi /etc/yum....