配置主机名(CentOS)

一、CentOS(6.5)

修改:vi /etc/sysconfig/network

[root@localhost ~]# cat /etc/sysconfig/network
NETWORKING=yes
HOSTNAME=FTPServer

修改解析文件:vi /etc/hosts

[root@localhost ~]# cat /etc/hosts
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

192.168.0.80 FTPServer

重启网卡:service network restart

[root@localhost ~]# service network restart
Shutting down interface eth0:                              [  OK  ]
Shutting down loopback interface:                          [  OK  ]
Bringing up loopback interface:                            [  OK  ]
Bringing up interface eth0:  Determining if ip address 192.168.0.80 is already in use for device eth0...
                                                           [  OK  ]

重启系统:reboot

查看主机名是否修改:hostname

[root@FTPServer ~]# hostname
FTPServer

二、CentOS7.*

查看主机信息:hostnamectl

[root@localhost ~]# hostnamectl
   Static hostname: localhost.localdomain
         Icon name: computer-vm
           Chassis: vm
        Machine ID: 7cdd2111a40b43c5b56eb40c4c926817
           Boot ID: 3c6c5eb132bc4d54a7c118921dadeb79
    Virtualization: vmware
  Operating System: CentOS Linux 7 (Core)
       CPE OS Name: cpe:/o:centos:centos:7
            Kernel: Linux 3.10.0-862.el7.x86_64
      Architecture: x86-64

修改主机名:hostnamectl set-hostname FTPServer

重启系统:reboot

查看主机名:hostname

[root@ftpserver ~]# hostname
ftpserver

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