CentOS设置静态ip、ping: www.baidu.com: Name or service not known解决方案
在centos执行yum命令,联网下载,连不上网解决步骤
1,进入网卡配置目录
cd /etc/sysconfig/network-scripts/
2,编辑第一个网卡配置文件(各位的网卡名字和我可能不一样,一般都是ens结尾)
vi ifcfg-ens33
3,修改配置内容
TYPE=Ethernet
BOOTPROTO=none
DEFROUTE=yes
IPV4_FAILURE_FATAL=yes
HWADDR=00:0C:29:6D:31:2B
IPADDR=192.168.25.132
GATEWAY=192.168.25.2
DNS1=192.168.25.2
IPV6INIT=no
NAME=ens33
UUID=b947619b-ebb5-42a5-a648-bf1582240e1f
ONBOOT=yes
LAST_CONNECT=1464863535
这里内容可能大家和我不一样,不过不要紧
重点关注以下几个文件可能有出入的即可!
1,BOOTPROTO=none这个默认是dhcp,修改为none或static,意思是动态获取ip或静态指定
2,IPV4_FAILURE_FATAL=yes这个默认是no,ip一般都用ipv4。至于你们可能有多余的几个ipv6可以设置为no然后把其他几个删掉,不删除应该也不会影响
3,HWADDR=00:0C:29:6D:31:2B如下图
4,
IPADDR=192.168.25.132
GATEWAY=192.168.25.2
DNS1=192.168.25.2
ONBOOT=yes****设置为自动启动
指定要设置ip,如果不设置随机生成的默认是十六进制。
网段、解析地址如下图:
左上角编辑选项
5,:wq保存退出,重启网卡
systemctl restart network
6查看是否配置成功,ping 百度*
ping
成功!这里会一直ping,想要退出可以关闭终端或者ctrl+c
若还存在问题,可以照着我的配置文件修改个别内容,但是别系统自带的也复制粘贴。
然后你就可以愉快的连接外网了。
有问题,留言,一起探讨!
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