1.查看原機器名vim
# hostname localhost.localdomain
2.修改新機器名(localhost.localdomain 改成 新機器名.localdomain)bash
# vim /etc/sysconfig/network NETWORKING=yes HOSTNAME=localhost.localdomain # vim /etc/hosts 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
3.重啓系統dom
# reboot 或 # shutdown -r now