Centos7+ ping www.baidu.com 报错 name or service not know

梦里梦外; 2022-04-21 19:34 558阅读 0赞

## 修改配置 ##

#查看网关
    [root@hadoop ~]#  route -n
    Kernel IP routing table
    Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
    0.0.0.0         192.168.112.2   0.0.0.0         UG    100    0        0 ens33
    192.168.112.0   0.0.0.0         255.255.255.0   U     100    0        0 ens33
    [root@hadoop ~]# 
    
    [root@hadoop network-scripts]# pwd
    /etc/sysconfig/network-scripts
    [root@hadoop network-scripts]# vi ifcfg-ens33
    TYPE=Ethernet
    PROXY_METHOD=none
    BROWSER_ONLY=no
    BOOTPROTO=static   #*********注意************#
    DEFROUTE=yes
    IPV4_FAILURE_FATAL=no
    IPV6INIT=yes
    IPV6_AUTOCONF=yes
    IPV6_DEFROUTE=yes
    IPV6_FAILURE_FATAL=no
    IPV6_ADDR_GEN_MODE=stable-privacy
    NAME=ens33
    UUID=5cde921f-9ae2-4db5-b915-c2ab2cb8ffa9
    DEVICE=ens33
    ONBOOT=yes
    IPADDR=192.168.112.130
    NETMASK=255.255.255.0
    GATEWAY=192.168.112.2

## 修改 vi /etc/resolv.conf ##

[root@hadoop network-scripts]# vi /etc/resolv.conf
    # Generated by NetworkManager
    nameserver 8.8.8.8
    nameserver 114.114.114.114

## 保存退出，重启网关 ##

[root@hadoop network-scripts]# service network restart
    [root@hadoop network-scripts]# ping www.baidu.com
    PING www.a.shifen.com (220.181.112.244) 56(84) bytes of data.
    64 bytes from 220.181.112.244 (220.181.112.244): icmp_seq=1 ttl=128 time=9.52 ms
    64 bytes from 220.181.112.244 (220.181.112.244): icmp_seq=2 ttl=128 time=7.24 ms
    64 bytes from 220.181.112.244 (220.181.112.244): icmp_seq=3 ttl=128 time=6.10 ms
    ^C
    --- www.a.shifen.com ping statistics ---
    3 packets transmitted, 3 received, 0% packet loss, time 2003ms
    rtt min/avg/max/mdev = 6.104/7.624/9.523/1.421 ms