[root@yz_dev ~]# vi /etc/hosts

127.0.0.1  localhost localhost.localdomain localhost4 localhost4.localdomain4
::1     localhost localhost.localdomain localhost6 localhost6.localdomain6

192.168.150.144 yz_dev
127.0.0.1  yz_dev localhost.localdomain localhost4 localhost4.localdomain4
192.168.150.131 yz_dev
192.168.150.132 yz_dev_2