Linux 运维笔记-------------------------------centos yum install -y * 没有可用软件包

[root@AnsibleManager zabbix_agentd.d]# yum install -y nginx
已加载插件：fastestmirror
Loading mirror speeds from cached hostfile
* base: mirrors.aliyun.com
* extras: mirrors.aliyun.com
* updates: mirrors.aliyun.com
没有可用软件包 nginx。

yum install epel-release;