三种方法修改IP地址,小小IP,手拿把掐!

三种方法修改IP地址

1. 修改配置文件修改

(1)查看IP地址

[root@localhost ~]# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: ens33: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 00:0c:29:60:c3:a2 brd ff:ff:ff:ff:ff:ff
    inet 192.168.80.25/24 brd 192.168.80.255 scope global noprefixroute ens33
       valid_lft forever preferred_lft forever
    inet6 fe80::b95f:97ef:c61a:6e55/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever

(3)修改配置文件

[root@localhost ~]# cd /etc/sysconfig/network-scripts                    //切换到配置文件目录
[root@localhost network-scripts]# ls                                     //注意网卡名以ens开头的
ifcfg-ens33  ifdown-ippp  ifdown-routes    ifup          ifup-ipv6   ifup-ppp       ifup-tunnel
ifcfg-lo     ifdown-ipv6  ifdown-sit       ifup-aliases  ifup-isdn   ifup-routes    ifup-wireless
ifdown       ifdown-isdn  ifdown-Team      ifup-bnep     ifup-plip   ifup-sit       init.ipv6-global
ifdown-bnep  ifdown-post  ifdown-TeamPort  ifup-eth      ifup-plusb  ifup-Team      network-functions
ifdown-eth   ifdown-ppp   ifdown-tunnel    ifup-ippp     ifup-post   ifup-TeamPort  network-functions-ipv6
[root@localhost network-scripts]# vi ifcfg-ens33                              //虚拟机最小安装是vi,相反输vim
TYPE="Ethernet"
PROXY_METHOD="none"
BROWSER_ONLY="no"
BOOTPROTO="none"
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="bcad2d17-5cae-4ded-bdf8-55562f009ef6"
DEVICE="ens33"
ONBOOT="yes"
IPADDR="192.168.80.24"                                                           //这里修改IP地址
PREFIX="24"
GATEWAY="192.168.80.254"
DNS1="114.114.114.114"
IPV6_PRIVACY="no"
                                                                                                      
-- INSERT --
[root@localhost network-scripts]# service network restart                          //重启虚拟机
[root@localhost ~]# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: ens33: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 00:0c:29:60:c3:a2 brd ff:ff:ff:ff:ff:ff
    inet 192.168.80.24/24 brd 192.168.80.255 scope global noprefixroute ens33         //验证修改完毕
       valid_lft forever preferred_lft forever
    inet6 fe80::b95f:97ef:c61a:6e55/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever

2.图形化界面修改

(1)调出控制台

[root@localhost ~]# nmtui

(2)选择Edit a connection

在这里插入图片描述

(3)选中ens33,enter回车

在这里插入图片描述

(4)IP地址修改

address 这里使用⬆⬇⬅➡键选择修改,然后ok保存
在这里插入图片描述

(5)back,quit,退出

在这里插入图片描述

ps:以上所有选中确认都是按回车键

(6)重启生效

[root@localhost ~]# reboot
[root@localhost ~]# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: ens33: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 00:0c:29:60:c3:a2 brd ff:ff:ff:ff:ff:ff
    inet 192.168.80.25/24 brd 192.168.80.255 scope global noprefixroute ens33
       valid_lft forever preferred_lft forever
    inet6 fe80::b95f:97ef:c61a:6e55/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever

3.nmcli方法

[root@localhost ~]# nmcli connection show
NAME   UUID                                  TYPE      DEVICE 
ens33  bcad2d17-5cae-4ded-bdf8-55562f009ef6  ethernet  ens33  
[root@localhost ~]# nmcli connection modify ens33 ipv4.addresses 192.168.80.22/24 ipv4.gateway 192.168.80.254 ipv4.dns 114.114.114.114 autoconnect yes 
[root@localhost ~]# nmcli connection reload
[root@localhost ~]# nmcli connection up ens33                                      //重启验证一下
[root@localhost ~]# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: ens33: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 00:0c:29:60:c3:a2 brd ff:ff:ff:ff:ff:ff
    inet 192.168.80.22/24 brd 192.168.80.255 scope global noprefixroute ens33
       valid_lft forever preferred_lft forever
    inet6 fe80::b95f:97ef:c61a:6e55/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
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