centos8 yum 切换

mkdir /yumback ; mv /etc/yum.repos.d/* /yumback ; cd /etc/yum.repos.d/

vi centos8.repo

vi epel.repo

yum clean all && yum makecache

#----------- centos8.repo ---------#

[base]

name=CentOS-8.5.2111 - Base - mirrors.cloud.aliyuncs.com

baseurl=http://mirrors.cloud.aliyuncs.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=0

gpgkey=http://mirrors.cloud.aliyuncs.com/centos/RPM-GPG-KEY-CentOS-Official

#additional packages that may be useful

[extras]

name=CentOS-8.5.2111 - Extras - mirrors.cloud.aliyuncs.com

baseurl=http://mirrors.cloud.aliyuncs.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=0

gpgkey=http://mirrors.cloud.aliyuncs.com/centos/RPM-GPG-KEY-CentOS-Official

#additional packages that extend functionality of existing packages

[centos-vaultplus]

name=CentOS-8.5.2111 - Plus - mirrors.cloud.aliyuncs.com

baseurl=http://mirrors.cloud.aliyuncs.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=0

enabled=0

gpgkey=http://mirrors.cloud.aliyuncs.com/centos/RPM-GPG-KEY-CentOS-Official

[PowerTools]

name=CentOS-8.5.2111 - PowerTools - mirrors.cloud.aliyuncs.com

baseurl=http://mirrors.cloud.aliyuncs.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=0

enabled=0

gpgkey=http://mirrors.cloud.aliyuncs.com/centos/RPM-GPG-KEY-CentOS-Official

[AppStream]

name=CentOS-8.5.2111 - AppStream - mirrors.cloud.aliyuncs.com

baseurl=http://mirrors.cloud.aliyuncs.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=0

gpgkey=http://mirrors.cloud.aliyuncs.com/centos/RPM-GPG-KEY-CentOS-Official

#------------ epel.repo -------------#

[epel-archive]

name=Extra Packages for Enterprise Linux 8 - $basearch

baseurl=http://mirrors.cloud.aliyuncs.com/epel-archive/8/Everything/$basearch

enabled=1

gpgcheck=0

[epel-archive-debuginfo]

name=Extra Packages for Enterprise Linux 8 - $basearch - Debug

baseurl=http://mirrors.cloud.aliyuncs.com/epel-archive/8/Everything/$basearch/debug

enabled=0

gpgcheck=0

[epel-archive-source]

name=Extra Packages for Enterprise Linux 8 - $basearch - Source

baseurl=http://mirrors.cloud.aliyuncs.com/epel-archive/8/Everything/SRPMS

enabled=0

gpgcheck=0