linux 修改主机名

rhel系统
修改
1./etc/sysconfig/network | HOSTNAME=
2./etc/hosts | 127.0.0.1   localhost  localhost4 localhost4.localdomain4
              ::1         localhost  localhost6 localhost6.localdomain6

debian系统
修改
1./etc/hostname |
2./etc/hosts | 127.0.0.1      FTP-server