Liunx靜態IP配置

1.登入配置檔案目錄

執行命令：cd /etc/sysconfig/network-scripts

2.檢視網絡卡資訊

執行命令：ll

-rw-r--r--. 1 root root 320 12月 10 15:35 ifcfg-eno16777728 -rw-r--r--. 1 root root 254 9月 16 2015 ifcfg-lo lrwxrwxrwx. 1 root root 24 12月 10 15:27 ifdown -> ../../../usr/sbin/ifdown -rwxr-xr-x. 1 root root 627 9月 16 2015 ifdown-bnep -rwxr-xr-x. 1 root root 5817 9月 16 2015 ifdown-eth -rwxr-xr-x. 1 root root 6196 11月 20 2015 ifdown-ib -rwxr-xr-x. 1 root root 781 9月 16 2015 ifdown-ippp -rwxr-xr-x. 1 root root 4201 9月 16 2015 ifdown-ipv6 lrwxrwxrwx. 1 root root 11 12月 10 15:27 ifdown-isdn -> ifdown-ippp -rwxr-xr-x. 1 root root 1642 9月 16 2015 ifdown-post -rwxr-xr-x. 1 root root 1068 9月 16 2015 ifdown-ppp -rwxr-xr-x. 1 root root 837 9月 16 2015 ifdown-routes -rwxr-xr-x. 1 root root 1444 9月 16 2015 ifdown-sit -rwxr-xr-x. 1 root root 1599 4月 2 2015 ifdown-team -rwxr-xr-x. 1 root root 1556 4月 2 2015 ifdown-teamport -rwxr-xr-x. 1 root root 1462 9月 16 2015 ifdown-tunnel lrwxrwxrwx. 1 root root 22 12月 10 15:27 ifup -> ../../../usr/sbin/ifup -rwxr-xr-x. 1 root root 12631 9月 16 2015 ifup-aliases -rwxr-xr-x. 1 root root 859 9月 16 2015 ifup-bnep -rwxr-xr-x. 1 root root 11721 9月 16 2015 ifup-eth -rwxr-xr-x. 1 root root 10145 11月 20 2015 ifup-ib -rwxr-xr-x. 1 root root 12039 9月 16 2015 ifup-ippp -rwxr-xr-x. 1 root root 10430 9月 16 2015 ifup-ipv6 lrwxrwxrwx. 1 root root 9 12月 10 15:27 ifup-isdn -> ifup-ippp -rwxr-xr-x. 1 root root 642 9月 16 2015 ifup-plip -rwxr-xr-x. 1 root root 1043 9月 16 2015 ifup-plusb -rwxr-xr-x. 1 root root 2609 9月 16 2015 ifup-post -rwxr-xr-x. 1 root root 4154 9月 16 2015 ifup-ppp -rwxr-xr-x. 1 root root 1925 9月 16 2015 ifup-routes -rwxr-xr-x. 1 root root 3263 9月 16 2015 ifup-sit -rwxr-xr-x. 1 root root 1755 4月 2 2015 ifup-team -rwxr-xr-x. 1 root root 1876 4月 2 2015 ifup-teamport -rwxr-xr-x. 1 root root 2682 9月 16 2015 ifup-tunnel -rwxr-xr-x. 1 root root 1740 9月 16 2015 ifup-wireless -rwxr-xr-x. 1 root root 4623 9月 16 2015 init.ipv6-global -rw-r--r--. 1 root root 15322 9月 16 2015 network-functions

-rw-r--r--. 1 root root 26134 9月 16 2015 network-functions-ipv6

可以看到網絡卡配置檔案ifcfg-eno16777728

type=
"ethernet"
bootproto=
"dhcp"
defroute=
"yes"
peerdns=
"yes"
peerroutes=
"yes"
ipv4_failure_fatal=
"no"
ipv6init=
"yes"
ipv6_autoconf=
"yes"
ipv6_defroute=
"yes"
ipv6_peerdns=
"yes"
ipv6_peerroutes=
"yes"
ipv6_failure_fatal=
"no"
name=
"eno16777728"
uuid=
"c93b2e5c-93ff-443f-8583-69717f317a28"
device=
"eno16777728"
onboot=
"no"

可以看出bootproto="dhcp"表示系統自動獲取ip

4.修改配置檔案

修改bootproto="dhcp"為bootproto="static"

修改onboot="no"為onboot="yes"

新增一下配置資訊

ipaddr=192.168.0.1          #ip位址
netmask=255.255.255.0 #子網掩碼
gateway=192.168.0.2 #預設閘道器
dns1=186.76.76.76 #dns網域名稱解析伺服器
dns2=8.8.8.8

設定dns

執行命令：vi /etc/resolv.conf

nameserver 186.76.76.76

nameserver 8.8.8.8

修改內容如上所示或者其他的dns伺服器均可

5.重啟網路服務(重啟網絡卡)

執行命令：service network restart

6.檢視系統ip配置

執行命令：ip addr

1: lo: mtu 65536 qdisc noqueue state unknown 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: eno16777728: mtu 1500 qdisc pfifo_fast state up qlen 1000 link/ether 00:0c:29:68:6f:8a brd ff:ff:ff:ff:ff:ff inet 192.168.1.134/23 brd 192.168.1.255 scope global dynamic eno16777728 valid_lft 82719sec preferred_lft 82719sec inet6 fe80::20c:29ff:fe68:6f8a/64 scope link valid_lft forever preferred_lft forever 3: virbr0: mtu 1500 qdisc noqueue state down link/ether 52:54:00:9b:94:5d brd ff:ff:ff:ff:ff:ff inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0 valid_lft forever preferred_lft forever 4: virbr0-nic: mtu 1500 qdisc pfifo_fast master virbr0 state down qlen 500

link/ether 52:54:00:9b:94:5d brd ff:ff:ff:ff:ff:ff

可以看到網絡卡eno16777728已被修改

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