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  • centos系统下设置固定IP+dns

    笔者用的linux系统是centos版本的,在次之前linux是空白,今天我在物理机用XSHELL连接虚拟机中的centos时候出现连接失败的情况,我的第一反应就是IP是不是变了?打开虚拟机之后在终端中输入ifconfig还真是变了,我就想着把IP绑定在虚拟机中的网卡中,方便以后连接不再修改IP,图个方便,下面是步骤:

    在终端中输入: vi /etc/sysconfig/network-scripts/ifcfg-eth0

    DEVICE="eth0"

    BOOTPROTO="dhcp"

    HWADDR="00:0C:29:E1:F2:DF"
    IPV6INIT="yes"
    NM_CONTROLLED="yes"
    ONBOOT="yes"
    TYPE="Ethernet"
    UUID="17b80e4d-b7f0-4e7d-8887-fe579b8ec03a"

    把BOOTPROTO=“dhcp”修改为static或者none,

    然后添加IP地址

    IPADDR=192.168.10.111(IP地址视自己的而定,我用的是我的)

    添加掩码:

    NETMASK=255.255.255.0

    添加网关:

    GATEWAY=192.168.10.1

    修改后为:

    DEVICE="eth0"
    BOOTPROTO="none"
    IPADDR=192.168.10.111
    NETMASK=255.255.255.0
    GATEWAY=192.168.10.1
    HWADDR="00:0C:29:E1:F2:DF"
    IPV6INIT="yes"
    NM_CONTROLLED="yes"
    ONBOOT="yes"
    TYPE="Ethernet"
    UUID="17b80e4d-b7f0-4e7d-8887-fe579b8ec03a"

    然后:wq保存

    重启网卡:service network restart

    [root@localhost ~]# service network restart
    Shutting down interface eth0: Device state: 3 (disconnected)
    [ OK ]
    Shutting down loopback interface: [ OK ]
    Bringing up loopback interface: [ OK ]
    Bringing up interface eth0: Active connection state: activating
    Active connection path: /org/freedesktop/NetworkManager/ActiveConnection/1
    state: activated
    Connection activated
    [ OK ]

    好,现在就绑定好了

    [root@localhost ~]# ping www.baidu.com

    但是PING不通ip,那就设置下DNS

    在终端中输入: [root@localhost ~]# vim /etc/resolv.conf

    # Generated by NetworkManager


    # No nameservers found; try putting DNS servers into your
    # ifcfg files in /etc/sysconfig/network-scripts like so:

    nameserver 202.98.128.86
    nameserver 202.96.128.166

    这是固定格式,

    现在再ping百度试试

    [root@localhost ~]# ping www.baidu.com
    PING www.a.shifen.com (180.97.33.108) 56(84) bytes of data.
    64 bytes from 180.97.33.108: icmp_seq=1 ttl=54 time=29.1 ms
    64 bytes from 180.97.33.108: icmp_seq=2 ttl=54 time=28.6 ms

    现在就ping通了

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  • 原文地址:https://www.cnblogs.com/itor/p/4514143.html
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