linux通过修改/etc/hosts文件 添加IP地址与域名的映射

修改/etc/hosts文件指令

sudo vim /etc/hosts

按I插入，插入完成后按ESC退出插入，输入:wq！保存退出，如下图所示

192.168.171.xxx orderer0.example.com
192.168.171.xxx orderer1.example.com
192.168.171.xxx orderer2.example.com
192.168.171.xxx peer0.org1.example.com
192.168.171.xxx peer1.org1.example.com
192.168.171.xxx peer0.org2.example.com

 重启一下网络
Ubuntu：

sudo /etc/init.d/networking restart

CentOS： 

sudo /etc/init.d/network restart