编辑 vim /etc/hosts 配置host映射
给 zjj101 映射到:10.11.8.101

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

10.11.8.101 zjj101

配置完了不用做别的配置,保存完了就生效了.