[root@localhost ~]#yum install dhcp -y#安装dhcp服务

[root@localhost ~]#rpm -qc dhcp#查看配置文件

[root@localhost ~]#vim /etc/dhcp/dhcpd.conf #空的## DHCP Server Configuration file.#  see /usr/share/doc/dhcp*/dhcpd.conf.example#    在此目录下有配置模板#  see dhcpd.conf(5) man page#~                                          ~                                      

[root@localhost ~]#cp /usr/share/doc/dhcp*/dhcpd.conf.example / /etc/dhcp/dhcpd.conf​cp：是否覆盖"//etc/dhcp/dhcpd.conf"？ y​

[root@localhost dhcp]#vim dhcpd.conf#修改配置文件#第8行 修改默认的全局dns地址  8 option domain-name-servers 8.8.8.8；注意；结尾

#修改27 行27 subnet 192.168.1.0 netmask 255.255.255.0 {  range 192.168.1.10 192.168.1.50;  option routers 192.168.1.2;  option domain-name-servers 114.114.114.114;}​# option domain-name-servers 114.114.114.114;去第八段复制修改就好 

在 windows中 使用​ipconfig  查看网卡信息​ipcongfig  /release   释放地址​ipcongfig  /renew   重新获取地址​ipconfig /all     全部信息

#查找关键字fixed ​​#先查找mac地址ipconfig /all​​77 host fantasia {78  hardware ethernet 00:0C:29:F7:9D:A8;（注意分隔符）79  fixed-address 192.168.1.199;这里的IP地址可以不在上面设置的范围里80 }