Centos8更换yum阿里云源报错Failed to connect to mirrors.aliyuncs.com port 80: Connection refused]

2021年12月31日CentOS 8 EOL。按照社区规则,CentOS 8的源地址http://mirror.centos.org/centos/8/内容已移除,目前第三方的镜像站中均已移除CentOS 8的源。阿里云的源http://mirrors.cloud.aliyuncs.com和http://mirrors.aliyun.com也无法同步到CentOS 8的源。当您在阿里云上继续使用默认配置的CentOS 8的源会发生报错。

1,运行以下命令备份之前的repo文件。

rename '.repo' '.repo.bak' /etc/yum.repos.d/*.repo

2,运行以下命令下载最新的repo文件

wget https://mirrors.aliyun.com/repo/Centos-vault-8.5.2111.repo -O /etc/yum.repos.d/Centos-vault-8.5.2111.repo
wget https://mirrors.aliyun.com/repo/epel-archive-8.repo -O /etc/yum.repos.d/epel-archive-8.repo

3,替换文件内容

  1. sed -i 's/mirrors.cloud.aliyuncs.com/url_tmp/g' /etc/yum.repos.d/Centos-vault-8.5.2111.repo && sed -i 's/mirrors.aliyun.com/mirrors.cloud.aliyuncs.com/g' /etc/yum.repos.d/Centos-vault-8.5.2111.repo && sed -i 's/url_tmp/mirrors.aliyun.com/g' /etc/yum.repos.d/Centos-vault-8.5.2111.repo
    
    
    sed -i 's/mirrors.aliyun.com/mirrors.cloud.aliyuncs.com/g' /etc/yum.repos.d/epel-archive-8.repo

4,重新创建缓存

yum clean all && yum makecache

如果发现还是使用不了,出现Could not resolve host: mirrors.cloud.aliyuncs.com

将配置文件内的所有mirrors.cloud.aliyuncs.com  替换成mirrors.aliyun.com,然后重新创建缓存

附上阿里官方解决地址:CentOS 8 EOL如何切换源? (aliyun.com)

TASK [yum install mariadb zabbix httpd] **************************************** fatal: [192.168.100.112]: FAILED! => {"changed": false, "msg": "Failure talking to yum: failure: repodata/repomd.xml from ftp_centos: [Errno 256] No more mirrors to try.\nftp://192.168.100.111/centos/repodata/repomd.xml: [Errno 14] curl#7 - \"Failed connect to 192.168.100.111:21; Connection refused\"\nftp://192.168.100.111/centos/repodata/repomd.xml: [Errno 14] curl#7 - \"Failed connect to 192.168.100.111:21; Connection refused\"\nftp://192.168.100.111/centos/repodata/repomd.xml: [Errno 14] curl#7 - \"Failed connect to 192.168.100.111:21; Connection refused\"\nftp://192.168.100.111/centos/repodata/repomd.xml: [Errno 14] curl#7 - \"Failed connect to 192.168.100.111:21; Connection refused\"\nftp://192.168.100.111/centos/repodata/repomd.xml: [Errno 14] curl#7 - \"Failed connect to 192.168.100.111:21; Connection refused\"\nftp://192.168.100.111/centos/repodata/repomd.xml: [Errno 14] curl#7 - \"Failed connect to 192.168.100.111:21; Connection refused\"\nftp://192.168.100.111/centos/repodata/repomd.xml: [Errno 14] curl#7 - \"Failed connect to 192.168.100.111:21; Connection refused\"\nftp://192.168.100.111/centos/repodata/repomd.xml: [Errno 14] curl#7 - \"Failed connect to 192.168.100.111:21; Connection refused\"\nftp://192.168.100.111/centos/repodata/repomd.xml: [Errno 14] curl#7 - \"Failed connect to 192.168.100.111:21; Connection refused\"\nftp://192.168.100.111/centos/repodata/repomd.xml: [Errno 14] curl#7 - \"Failed connect to 192.168.100.111:21; Connection refused\""}
06-10
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