# 内容

 1 2 3  cd /etc/yum.repo.d/ mkdir bak mv *.repo ./bak 

  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63  vi CentOS-Base.repo # CentOS-Base.repo # # The mirror system uses the connecting IP address of the client and the # update status of each mirror to pick mirrors that are updated to and # geographically close to the client. You should use this for CentOS updates # unless you are manually picking other mirrors. # # If the mirrorlist= does not work for you, as a fall back you can try the # remarked out baseurl= line instead. # # [base] name=CentOS-8.5.2111 - Base - mirrors.aliyun.com #failovermethod=priority baseurl=https://mirrors.aliyun.com/centos-vault/8.5.2111/BaseOS/$basearch/os/ http://mirrors.aliyuncs.com/centos-vault/8.5.2111/BaseOS/$basearch/os/ http://mirrors.cloud.aliyuncs.com/centos-vault/8.5.2111/BaseOS/$basearch/os/ gpgcheck=1 gpgkey=https://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official #additional packages that may be useful [extras] name=CentOS-8.5.2111 - Extras - mirrors.aliyun.com #failovermethod=priority baseurl=https://mirrors.aliyun.com/centos-vault/8.5.2111/extras/$basearch/os/ http://mirrors.aliyuncs.com/centos-vault/8.5.2111/extras/$basearch/os/ http://mirrors.cloud.aliyuncs.com/centos-vault/8.5.2111/extras/$basearch/os/ gpgcheck=1 gpgkey=https://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official #additional packages that extend functionality of existing packages [centos-vaultplus] name=CentOS-8.5.2111 - Plus - mirrors.aliyun.com #failovermethod=priority baseurl=https://mirrors.aliyun.com/centos-vault/8.5.2111/centos-vaultplus/$basearch/os/ http://mirrors.aliyuncs.com/centos-vault/8.5.2111/centos-vaultplus/$basearch/os/ http://mirrors.cloud.aliyuncs.com/centos-vault/8.5.2111/centos-vaultplus/$basearch/os/ gpgcheck=1 enabled=0 gpgkey=https://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official [PowerTools] name=CentOS-8.5.2111 - PowerTools - mirrors.aliyun.com #failovermethod=priority baseurl=https://mirrors.aliyun.com/centos-vault/8.5.2111/PowerTools/$basearch/os/ http://mirrors.aliyuncs.com/centos-vault/8.5.2111/PowerTools/$basearch/os/ http://mirrors.cloud.aliyuncs.com/centos-vault/8.5.2111/PowerTools/$basearch/os/ gpgcheck=1 enabled=0 gpgkey=https://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official [AppStream] name=CentOS-8.5.2111 - AppStream - mirrors.aliyun.com #failovermethod=priority baseurl=https://mirrors.aliyun.com/centos-vault/8.5.2111/AppStream/$basearch/os/ http://mirrors.aliyuncs.com/centos-vault/8.5.2111/AppStream/$basearch/os/ http://mirrors.cloud.aliyuncs.com/centos-vault/8.5.2111/AppStream/\$basearch/os/ gpgcheck=1 gpgkey=https://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official 

 1  dnf makecache