騰訊雲centos7安裝zabbix報錯:[Errno 256] No more mirrors to try.

1.報錯

• 執行命令:

yum install -y zabbix-server-mysql zabbix-web-mysql zabbix-agent

• 報錯內容:

zabbix-server-mysql-4.0.20-1.el7.x86_64: [Errno 256] No more mirrors to try.

2. 報錯原因:

DNS設置有問題（在未更改設置前有的二進制包不能下載）

3. 添加DNS解析

vim /etc/NetworkManager/NetworkManager.conf

添加:
[main]
#plugins=ifcfg-rh,ibft
DNS1=8.8.8.8
DNS2=8.8.4.4

4.重啓網絡

systemctl restart network.service

5.再次進行安裝

yum install -y zabbix-server-mysql zabbix-web-mysql zabbix-agent

搞定