Centos8 遇到的一些坑

蛋疼的报错信息

Error: Failed to download metadata for repo 'appstream': Cannot prepare internal mirrorlist: No URLs in mirrorlist

#进入源目录
/etc/yum.repos.d/
#列出文件
ls
#修改 CentOS-Linux-AppStream.repo
vi CentOS-Linux-AppStream.repo

修改为下面的配置，注意我这个是X86_64的，其他版本自行修改

[AppStream]
name=CentOS Linux 8 - AppStream
baseurl=http://mirrors.aliyun.com/centos/8-stream/AppStream/x86_64/os/
gpgcheck=1
enabled=1
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official

然后修改CentOS-Linux-BaseOS.repo

vi CentOS-Linux-AppStream.repo

修改为下面的配置

# 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
baseurl=http://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=0
gpgkey=http://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
baseurl=http://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=0
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official
 
#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-8.5.2111 - Plus - mirrors.aliyun.com
baseurl=http://mirrors.aliyun.com/centos-vault/8.5.2111/centosplus/$basearch/os/
        http://mirrors.aliyuncs.com/centos-vault/8.5.2111/centosplus/$basearch/os/
        http://mirrors.cloud.aliyuncs.com/centos-vault/8.5.2111/centosplus/$basearch/os/
gpgcheck=0
enabled=0
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official
 
[PowerTools]
name=CentOS-8.5.2111 - PowerTools - mirrors.aliyun.com
baseurl=http://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=0
enabled=0
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official


[AppStream]
name=CentOS-8.5.2111 - AppStream - mirrors.aliyun.com
baseurl=http://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=0
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official

然后再执行下面的命令

yum clean all && yum makecache

首先是更新源的问题，官方的源不再支持了改用了aliyun的源需要更改2个文件。