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
(3)选中ens33,enter回车
(4)IP地址修改
address 这里使用⬆⬇⬅➡键选择修改,然后ok保存
(5)back,quit,退出
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