首先输入root,密码进入
再查看IP网卡,命令:ifconfig
xinknat# ifconfig
显示:
eth0 Link encap:Ethernet HWaddr 00:30:18:A1:A9:4A
inet addr:98.126.33.66 Bcast:98.126.33.71 Mask:255.255.255.248
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:92139669 errors:0 dropped:0 overruns:0 frame:0
TX packets:99505579 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:3484683143 (3.2 GiB) TX bytes:476753694 (454.6 MiB)
Interrupt:30 Base address:0xe000
eth0:0 Link encap:Ethernet HWaddr 00:30:18:A1:A9:4A
inet addr:98.126.33.67 Bcast:98.126.33.71 Mask:255.255.255.248
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:30 Base address:0xe000
eth0:1 Link encap:Ethernet HWaddr 00:30:18:A1:A9:4A
inet addr:98.126.33.68 Bcast:98.126.33.71 Mask:255.255.255.248
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:30 Base address:0xe000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:38 errors:0 dropped:0 overruns:0 frame:0
TX packets:38 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2068 (2.0 KiB) TX bytes:2068 (2.0 KiB)
输入:" ifconfig eth0:2 98.126.33.69 netmask 255.255.255.248 up "
再输入:“vi /etc/sysconfig/network-scripts/ifcfg-eth0:2 "
DEVICE=eth0:2
ONBOOT=yes
BOOTPROTO=static
IPADDR=98.126.33.69
保存,按Esc退出,输入" : wq "在输入"shift+! "然后回车成功。
重启网络让IP生效: service network restart
cat /etc/sysconfig/network-scripts/eth0:2 查看更改生效了不
附删除ip方法
代码:
ifconfig eth0:2 98.126.33.69 netmask 255.255.255.248 down
rm /etc/sysconfig/network-scripts/ifcfg-eth0:2
------------------------------------
1.添加虚拟ip
ifconfig eht0:1 192.168.100.22 netmask 255.255.255.0
2. 删除刚才添加的虚拟IP
ip addr del 192.168.100.22/24 dev eth0
--------------------------------------------------
单网卡批量添加不同IP段
70.39.112.194 添加IP:70.39.112.195-222/70.39.83.226-254
代码:
vi /etc/sysconfig/network-scripts/ifcfg-eth0-range0
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=static
IPADDR_START=70.39.112.195
IPADDR_END=70.39.112.222
CLONENUM_START=0
GATEWAY=70.39.112.193
NETMASK=255.255.255.224
NO_ALIASROUTING=yes
service network restart #重启网卡
-------------------------------------------------------------
ifconfig 后 看到 IP:70.39.112.195-222 对应网卡号:eth0:0-eth0:27,
所以再批量添加IP,网卡从eth0:28以后开始就行,
网卡eth0不变,创建新文件:ifcfg-eth0-range1
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
vi /etc/sysconfig/network-scripts/ifcfg-eth0-range1
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=static
IPADDR_START=70.39.83.226
IPADDR_END=70.39.83.254
CLONENUM_START=28
GATEWAY=70.39.83.225
NETMASK=255.255.255.224
NO_ALIASROUTING=yes
重启网络让IP生效: service network restart
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