# 一网卡配置中修改(无效) ```shell /etc/sysconfig/network-scripts/ifcfg-enp0s8 ``` # 二网络配置中修改(无效) ```shell cat /etc/sysconfig/network ``` # 三主机名 ```shell # 临时修改生效 hostname hy-node1 # 修改文件永久生效 vi /etc/hostname # 绑定ip vi /etc/hosts 192.168.1.116 hy-node1 hy-node1.com 192.168.1.117 hy-node2 192.168.1.118 hy-node3 192.168.1.119 hy-node4 harbor 192.168.1.120 hy-node5 ```