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ifconfig
命令[root@localhost ~]# ifconfig //查看网络接口信息
ens33: flags=4163 mtu 1500
inet 192.168.144.133 netmask 255.255.255.0 broadcast 192.168.144.255
inet6 fe80::a85a:c203:e2e:3f3c prefixlen 64 scopeid 0x20
ether 00:0c:29:5b:d3:a0 txqueuelen 1000 (Ethernet)
RX packets 6139 bytes 3599390 (3.4 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 2483 bytes 330519 (322.7 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73 mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10
loop txqueuelen 1 (Local Loopback)
RX packets 84 bytes 7500 (7.3 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 84 bytes 7500 (7.3 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
virbr0: flags=4099 mtu 1500
inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255
ether 52:54:00:d9:de:d2 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
ifconfig 网络接口
[root@localhost ~]# ifconfig ens33 //查看ens33网络接口信息
ens33: flags=4163 mtu 1500
inet 192.168.144.133 netmask 255.255.255.0 broadcast 192.168.144.255
inet6 fe80::a85a:c203:e2e:3f3c prefixlen 64 scopeid 0x20
ether 00:0c:29:5b:d3:a0 txqueuelen 1000 (Ethernet)
RX packets 6183 bytes 3602858 (3.4 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 2505 bytes 334073 (326.2 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
hostname
命令[root@localhost ~]# hostname //查看主机名称
localhost.localdomain
hostnamectl set-hostname [主机名称]
[root@localhost ~]# hostnamectl set-hostname http01 //更改主机名
[root@localhost ~]# su //切换用户,刷新主机名
[root@http01 ~]# hostname //查看主机名称
http01
route
命令[root@http01 ~]# route //查看路由表
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default gateway 0.0.0.0 UG 100 0 0 ens33
192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 virbr0
192.168.144.0 0.0.0.0 255.255.255.0 U 100 0 0 ens33
查看系统的网络连接状态、路由表、接口统计等信息
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netstat
命令netstat [选项]
-a
:全部
-n
:数字格式显示
-p
:协议
-t
:tcp
-u
:udp
-r
:路由
[root@http01 ~]# netstat -antp //查看以数字格式显示全部TCP协议端口的网络连接情况
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN 1/systemd
tcp 0 0 192.168.122.1:53 0.0.0.0:* LISTEN 1308/DNSmasq
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 983/sshd
tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN 985/cupsd
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 1292/master
tcp 0 0 127.0.0.1:6010 0.0.0.0:* LISTEN 4840/sshd: root@pts
tcp 0 0 192.168.144.133:22 192.168.144.1:54734 ESTABLISHED 4840/sshd: root@pts
tcp6 0 0 :::111 :::* LISTEN 1/systemd
tcp6 0 0 :::80 :::* LISTEN 2373/httpd
tcp6 0 0 :::22 :::* LISTEN 983/sshd
tcp6 0 0 ::1:631 :::* LISTEN 985/cupsd
tcp6 0 0 ::1:25 :::* LISTEN 1292/master
tcp6 0 0 ::1:6010 :::* LISTEN 4840/sshd: root@pts
[root@http01 ~]# netstat -nuap //查看以数字格式显示全部UDP协议端口的网络连接情况
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
udp 0 0 0.0.0.0:36571 0.0.0.0:* 788/dhclient
udp 0 0 0.0.0.0:47956 0.0.0.0:* 578/avahi-daemon: r
udp 0 0 192.168.122.1:53 0.0.0.0:* 1308/dnsmasq
udp 0 0 0.0.0.0:67 0.0.0.0:* 1308/dnsmasq
udp 0 0 0.0.0.0:68 0.0.0.0:* 788/dhclient
udp 0 0 0.0.0.0:5353 0.0.0.0:* 578/avahi-daemon: r
udp 0 0 127.0.0.1:323 0.0.0.0:* 636/chronyd
udp6 0 0 :::57996 :::* 788/dhclient
udp6 0 0 ::1:323 :::* 636/chronyd
[root@http01 ~]# netstat -r //查看路由信息,与route命令作用相同
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
default gateway 0.0.0.0 UG 0 0 0 ens33
192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 virbr0
192.168.144.0 0.0.0.0 255.255.255.0 U 0 0 0 ens33
测试网络通讯性
ping
命令ping [主机名]/[IP地址]
[root@http01 ~]# ping 192.168.100.10 //测试网络通讯
PING 192.168.100.10 (192.168.100.10) 56(84) bytes of data.
64 bytes from 192.168.100.10: icmp_seq=1 ttl=128 time=0.860 ms
64 bytes from 192.168.100.10: icmp_seq=2 ttl=128 time=0.530 ms
64 bytes from 192.168.100.10: icmp_seq=3 ttl=128 time=0.514 ms
64 bytes from 192.168.100.10: icmp_seq=4 ttl=128 time=0.465 ms
测试从当前主机到目的主机之间经过的网络节点
traceroute
命令traceroute 目标主机地址
[root@http01 ~]# traceroute 192.168.100.10
traceroute to 192.168.100.10 (192.168.100.10), 30 hops max, 60 byte packets
1 gateway (192.168.144.2) 0.320 ms 0.255 ms 0.223 ms
2 * * *
3 * * *
4 * * *
测试DNS域名解析
nslookup
命令nslookup [目标主机地址]/[目标DNS地址]
[root@http01 ~]# nslookup www.baidu.com
Server: 192.168.144.2
Address: 192.168.144.2#53
Non-authoritative answer:
www.baidu.com canonical name = www.a.shifen.com.
Name: www.a.shifen.com
Address: 183.232.231.172
Name: www.a.shifen.com
Address: 183.232.231.174
简单、快速,可直接修改运行中的网络参数
一般只适合在调试网络的过程中使用
临时设置网络接口的IP地址、子网掩码
ifconfig 接口名 IP地址 [netmask(子网掩码)]
[root@http01 ~]# ifconfig ens33 //查看ens33接口IP地址
ens33: flags=4163 mtu 1500
inet 192.168.144.133 netmask 255.255.255.0 broadcast 192.168.144.255
inet6 fe80::a85a:c203:e2e:3f3c prefixlen 64 scopeid 0x20
ether 00:0c:29:5b:d3:a0 txqueuelen 1000 (Ethernet)
RX packets 42 bytes 3966 (3.8 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 86 bytes 9346 (9.1 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
[root@http01 ~]# ifconfig ens33 192.168.144.138/24 //设置临时IP地址
[root@http01 ~]# ifconfig ens33 //查看是否成功设置
ens33: flags=4163 mtu 1500
inet 192.168.144.138 netmask 255.255.255.0 broadcast 192.168.144.255
inet6 fe80::a85a:c203:e2e:3f3c prefixlen 64 scopeid 0x20
ether 00:0c:29:5b:d3:a0 txqueuelen 1000 (Ethernet)
RX packets 2660 bytes 3613441 (3.4 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 844 bytes 57384 (56.0 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
[root@http01 ~]# systemctl restart network //重启网络服务
[root@http01 ~]# ifconfig ens33 //查看IP地址
ens33: flags=4163 mtu 1500
inet 192.168.144.133 netmask 255.255.255.0 broadcast 192.168.144.255
inet6 fe80::a85a:c203:e2e:3f3c prefixlen 64 scopeid 0x20
ether 00:0c:29:5b:d3:a0 txqueuelen 1000 (Ethernet) //设置的IP地址失效
RX packets 2708 bytes 3618185 (3.4 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 894 bytes 63590 (62.0 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
设置固定网络接口的IP地址、子网掩码
设置固定的网络接口IP地址、子网掩码,需要在网络接口的配置文件中更改配置文件来完成。
网络接口配置文件
/etc/sysconfig/network-scripts/
重启network网络服务
systemctl restart network
[root@http01 ~]# vim /etc/sysconfig/network-scripts/ifcfg-ens33 //进入编辑网卡配置文件
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=staticl //将DHCP更改为staticl
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=2ef6b862-5201-48c5-a450-23b3720ab3a0
DEVICE=ens33
ONBOOT=yes
IPADDR=192.168.144.138 //输入要设定的IP地址
NETMAS=255.255.255.0 //输入子网掩码
GATEWAY=192.168.144.1 //输入网关地址
[root@http01 ~]# systemctl restart network //重启网络服务
[root@http01 ~]# ifconfig ens33
ens33: flags=4163 mtu 1500
inet 192.168.144.138 netmask 255.255.255.0 broadcast 192.168.144.255
inet6 fe80::20c:29ff:fe5b:d3a0 prefixlen 64 scopeid 0x20
ether 00:0c:29:5b:d3:a0 txqueuelen 1000 (Ethernet) //地址设置成功
RX packets 3832 bytes 3715216 (3.5 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 1558 bytes 160876 (157.1 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
禁用或者重新激活网卡
ifconfig 网络接口 down
ifconfig 网络接口 up
[root@localhost ~]# ifconfig ens33 down //禁用网卡
[root@localhost ~]# ifconfig ens33 //查看网卡信息,无IP地址连接
ens33: flags=4098 mtu 1500
ether 00:0c:29:5b:d3:a0 txqueuelen 1000 (Ethernet)
RX packets 459 bytes 495831 (484.2 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 240 bytes 22865 (22.3 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
[root@localhost ~]# ifconfig ens33 up //重新激活网卡
[root@localhost ~]# ifconfig ens33 //查看网卡信息,成功获取IP地址
ens33: flags=4163 mtu 1500
inet 192.168.144.133 netmask 255.255.255.0 broadcast 192.168.144.255
inet6 fe80::a85a:c203:e2e:3f3c prefixlen 64 scopeid 0x20
ether 00:0c:29:5b:d3:a0 txqueuelen 1000 (Ethernet)
RX packets 463 bytes 496409 (484.7 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 264 bytes 26630 (26.0 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
虚拟网络接口
ifconfig 接口名:序号 IP地址
[root@localhost ~]# ifconfig ens33:0 192.168.144.140 //在ens33网卡上添加虚拟网卡,序列号为0
[root@localhost ~]# ifconfig //查看网卡信息
ens33: flags=4163 mtu 1500
inet 192.168.144.133 netmask 255.255.255.0 broadcast 192.168.144.255
inet6 fe80::a85a:c203:e2e:3f3c prefixlen 64 scopeid 0x20
ether 00:0c:29:5b:d3:a0 txqueuelen 1000 (Ethernet)
RX packets 653 bytes 512686 (500.6 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 373 bytes 39897 (38.9 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
ens33:0: flags=4163 mtu 1500 //创建的虚拟网卡
inet 192.168.144.140 netmask 255.255.255.0 broadcast 192.168.144.255
ether 00:0c:29:5b:d3:a0 txqueuelen 1000 (Ethernet)
lo: flags=73 mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10
loop txqueuelen 1 (Local Loopback)
...//省略部分内容...
添加到指定网段的路由记录
route add -net 网段地址 gw IP地址(网关)
删除到指定网段的路由记录
route del -net 网段地址
删除路由表中默认网关记录
route del default gw IP地址
route add default gw IP地址
[root@localhost ~]# route //查看路由表
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default gateway 0.0.0.0 UG 100 0 0 ens33
192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 virbr0
192.168.144.0 0.0.0.0 255.255.255.0 U 100 0 0 ens33
[root@localhost ~]# route add -net 192.168.100.0/24 gw 192.168.144.1 //添加网段
[root@localhost ~]# route //查看路由表是否添加网段
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default gateway 0.0.0.0 UG 100 0 0 ens33
192.168.100.0 192.168.144.1 255.255.255.0 UG 0 0 0 ens33
192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 virbr0
192.168.144.0 0.0.0.0 255.255.255.0 U 100 0 0 ens33
[root@localhost ~]# route del -net 192.168.100.0/24 //删除添加的网段
[root@localhost ~]# route //查看路由表,看添加的网段是否删除
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default gateway 0.0.0.0 UG 100 0 0 ens33
192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 virbr0
192.168.144.0 0.0.0.0 255.255.255.0 U 100 0 0 ens33
[root@localhost ~]# route add default gw 192.168.144.1 //添加默认网关
[root@localhost ~]# route //查看是否成功添加默认网关
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default gateway 0.0.0.0 UG 0 0 0 ens33
default gateway 0.0.0.0 UG 100 0 0 ens33
192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 virbr0
192.168.144.0 0.0.0.0 255.255.255.0 U 100 0 0 ens33
[root@localhost ~]# route del default gw 192.168.144.1 //删除添加的默认网关
[root@localhost ~]# route //查看路由表是否成功删除
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default gateway 0.0.0.0 UG 100 0 0 ens33
192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 virbr0
192.168.144.0 0.0.0.0 255.255.255.0 U 100 0 0 ens33
保存全局网络设置,主要包括主机名信息
/etc/sysconfig/network
//etc/hostname
在CentOS 6
中若要修改主机名可以执行“vim /etc/sysconfig/network”
修改配置文件,而在CentOS 7
中我们可以执行“vim /etc/hostname”
就可以去修改主机名配置文件了。
[root@localhost ~]# vim /etc/hostname //进入编辑主机名配置文件
localhost.localdomain //当前主机名 如若修改可以直接在编辑器修改主机名
~
~
~
~
~
~
指定为本机体提供DNS解析的服务器地址(对改文件的修改将会立即生效)
/etc/resolv.conf
nameserver IP地址
[root@localhost ~]# vim /etc/resolv.conf
# Generated by NetworkManager
search localdomain
nameserver 192.168.144.2
~
~
~
~
在本地主机映射文件中添加映射记录,当访问添加的记录网站时,将会直接向添加的映射记录IP地址发送web请求,省略了向DNS服务器解析IP地址的过程。
保存主机名与IP
地址的映射记录
/etc/hosts
hosts
文件和DNS
服务器的比较
hosts
文件查找解析记录hosts
文件只对当前的主机有效hosts
文件可减少DNS
查询过程,从而加快访问速度在日常生产活动中难免会遇到需要建立双网卡的情况,这里我们来看看如何建立双网卡
1、首先在虚拟机Linux操作系统中添加一块物理网卡,然后查看网络接口信息,确定是否成功添加网络
[root@localhost ~]# ifconfig //查看网接口信息
ens33: flags=4163 mtu 1500
inet 192.168.144.133 netmask 255.255.255.0 broadcast 192.168.144.255
inet6 fe80::a85a:c203:e2e:3f3c prefixlen 64 scopeid 0x20
ether 00:0c:29:5b:d3:a0 txqueuelen 1000 (Ethernet)
RX packets 3415 bytes 740748 (723.3 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 1725 bytes 201799 (197.0 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
ens36: flags=4163 mtu 1500 //新添加的物理网卡
inet 192.168.144.141 netmask 255.255.255.0 broadcast 192.168.144.255
inet6 fe80::deb1:3cec:3e26:5ec2 prefixlen 64 scopeid 0x20
ether 00:0c:29:5b:d3:aa txqueuelen 1000 (Ethernet)
RX packets 85 bytes 6069 (5.9 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 30 bytes 4667 (4.5 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
2、这个时候我们查看网卡配置文件目录,看是否有添加的网卡配置文件
[root@localhost ~]# cd /etc/sysconfig/network-scripts/ //进入网卡配置文件目录
[root@localhost network-scripts]# ls //查看,这个时候时没有新添加的网卡ens36的配置文件的
ifcfg-ens33 ifdown-ipv6 ifdown-TeamPort ifup-ippp ifup-routes network-functions
ifcfg-lo ifdown-isdn ifdown-tunnel ifup-ipv6 ifup-sit network-functions-ipv6
ifdown ifdown-post ifup ifup-isdn ifup-Team
ifdown-bnep ifdown-ppp ifup-aliases ifup-plip ifup-TeamPort
ifdown-eth ifdown-routes ifup-bnep ifup-plusb ifup-tunnel
ifdown-ib ifdown-sit ifup-eth ifup-post ifup-wireless
ifdown-ippp ifdown-Team ifup-ib ifup-ppp init.ipv6-global
3、因为没有ens36网卡的配置文件,我们就没有办法给ens36指定固定的地址的。下面我们就把ens36与ens33这两个网卡全部设为仅主机相连模式,然后再查看网络接口信息。
[root@localhost ~]# ifconfig //查看网络接口信息
ens33: flags=4163 mtu 1500 //无获取IP地址
inet6 fe80::a85a:c203:e2e:3f3c prefixlen 64 scopeid 0x20
ether 00:0c:29:5b:d3:a0 txqueuelen 1000 (Ethernet)
RX packets 3578 bytes 754392 (736.7 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 1812 bytes 215065 (210.0 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
ens36: flags=4163 mtu 1500 //无发获取IP地址
inet6 fe80::deb1:3cec:3e26:5ec2 prefixlen 64 scopeid 0x20
ether 00:0c:29:5b:d3:aa txqueuelen 1000 (Ethernet)
RX packets 160 bytes 12321 (12.0 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 48 bytes 7865 (7.6 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
我在这里无法获取IP地址是因为的VMware虚拟机中DHCP服务关掉了,所以无法获取地址。
4、这个时候我们就给这两个物理网卡配固定地址
[root@localhost ~]# vim /etc/sysconfig/network-scripts/ifcfg-ens33 //编辑网卡信息
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=static //dhcp更改为static
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=2ef6b862-5201-48c5-a450-23b3720ab3a0
DEVICE=ens33
ONBOOT=yes
IPADDR=192.168.100.10 //输入配置IP地址
NETMAS=255.255.255.0 //输入配置子网掩码
GATEWAY=192.168.100.0 //输入配置网关
~
~
~
~
~
~
~
:wq
[root@localhost ~]# service network restart //重启网络服务
Restarting network (via systemctl): [ 确定 ]
[root@localhost ~]# ifconfig //查看网络接口信息,看配置的地址是否生效
ens33: flags=4163 mtu 1500
inet 192.168.100.10 netmask 255.255.255.0 broadcast 192.168.100.255
inet6 fe80::a85a:c203:e2e:3f3c prefixlen 64 scopeid 0x20
ether 00:0c:29:5b:d3:a0 txqueuelen 1000 (Ethernet)
RX packets 3642 bytes 771191 (753.1 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 1948 bytes 239617 (234.0 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
下面我们进入网卡配置文件目录,这时候时没有ens36网卡的配置文件的,我们就需要把ens33的配置文件直接复制,更改为ens36的配置文件,然后把配置文件的内容更改就可以了
[root@localhost ~]# cd /etc/sysconfig/network-scripts/ //进入网卡配置文件目录
[root@localhost network-scripts]# ls //查看
ifcfg-ens33 ifdown-isdn ifup ifup-plip ifup-tunnel
ifcfg-lo ifdown-post ifup-aliases ifup-plusb ifup-wireless
ifdown ifdown-ppp ifup-bnep ifup-post init.ipv6-global
ifdown-bnep ifdown-routes ifup-eth ifup-ppp network-functions
ifdown-eth ifdown-sit ifup-ib ifup-routes network-functions-ipv6
ifdown-ib ifdown-Team ifup-ippp ifup-sit
ifdown-ippp ifdown-TeamPort ifup-ipv6 ifup-Team
ifdown-ipv6 ifdown-tunnel ifup-isdn ifup-TeamPort
[root@localhost network-scripts]# cp -p ifcfg-ens33 ifcfg-ens36 //复制ens33配置文件
[root@localhost network-scripts]# ls //查看
ifcfg-ens33 ifdown-ipv6 ifdown-tunnel ifup-isdn ifup-TeamPort
ifcfg-ens36 ifdown-isdn ifup ifup-plip ifup-tunnel
ifcfg-lo ifdown-post ifup-aliases ifup-plusb ifup-wireless
ifdown ifdown-ppp ifup-bnep ifup-post init.ipv6-global
ifdown-bnep ifdown-routes ifup-eth ifup-ppp network-functions
ifdown-eth ifdown-sit ifup-ib ifup-routes network-functions-ipv6
ifdown-ib ifdown-Team ifup-ippp ifup-sit
ifdown-ippp ifdown-TeamPort ifup-ipv6 ifup-Team
[root@localhost network-scripts]# vim ifcfg-ens36 //进入编辑ens36配置文件
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=static
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=ens36 //更改33为36
DEVICE=ens36 //更改33为36
ONBOOT=yes
IPADDR=192.168.10.10 //更改IP地址网段
NETMAS=255.255.255.0
GATEWAY=192.168.10.0 //更改网关地址
~
~ 注意,配置文件里面的UUID条目要删掉,让系统自动识别添加就可以了(UUID不可相同 )
~
~
~
~
~
~
:wq
[root@localhost network-scripts]# service network restart //重新启动网络服务
Restarting network (via systemctl): [ 确定 ]
[root@localhost network-scripts]# ifconfig //查看网卡信息
ens33: flags=4163 mtu 1500
inet 192.168.100.10 netmask 255.255.255.0 broadcast 192.168.100.255
inet6 fe80::a85a:c203:e2e:3f3c prefixlen 64 scopeid 0x20
ether 00:0c:29:5b:d3:a0 txqueuelen 1000 (Ethernet)
RX packets 3705 bytes 788818 (770.3 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 1978 bytes 243934 (238.2 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
ens36: flags=4163 mtu 1500 //成功获取IP地址
inet 192.168.10.10 netmask 255.255.255.0 broadcast 192.168.10.255
inet6 fe80::f6eb:23e3:3afb:fef4 prefixlen 64 scopeid 0x20
ether 00:0c:29:5b:d3:aa txqueuelen 1000 (Ethernet)
RX packets 248 bytes 33751 (32.9 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 280 bytes 49781 (48.6 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0