centos 网络配置
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[root@centos1 ~]# ls /etc/sysconfig/network-scripts/
ifcfg-enp2s0 ifdown-eth ifdown-post ifdown-Team ifup-aliases ifup-ipv6 ifup-post ifup-Team init.ipv6-global
ifcfg-lo ifdown-ippp ifdown-ppp ifdown-TeamPort ifup-bnep ifup-isdn ifup-ppp ifup-TeamPort network-functions
ifdown ifdown-ipv6 ifdown-routes ifdown-tunnel ifup-eth ifup-plip ifup-routes ifup-tunnel network-functions-ipv6
ifdown-bnep ifdown-isdn ifdown-sit ifup ifup-ippp ifup-plusb ifup-sit ifup-wireless
[root@centos1 ~]# cat /etc/sysconfig/network-scripts/ifcfg-enp2s0
HWADDR=00:E0:69:01:6A:96
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=enp2s0
UUID=5b0a7d76-1602-4e19-aee6-29f57618ca01
ONBOOT=no
[root@centos1 ~]# shutdown -r
[root@centos1 ~]# ip add
1: lo: <LOOPBACK,UP,LOWER_UP> 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: enp2s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether 00:e0:69:01:6a:96 brd ff:ff:ff:ff:ff:ff
inet 172.8.1.200/24 brd 172.8.1.255 scope global enp2s0
valid_lft forever preferred_lft forever
inet6 fe80::2e0:69ff:fe01:6a96/64 scope link
valid_lft forever preferred_lft forever
再次用vi打开vi /etc/sysconfig/network-scripts/ifcfg-enp2s0,输入以下参数,再用#将BOOTPROTO=dhcp注释。
IPADDR0=172.8.1.211
PREFIX0=24
GATEWAY0=172.8.1.1
DNS1=172.8.1.1
[root@centos1 ~]# cat /etc/sysconfig/network-scripts/ifcfg-enp2s0
HWADDR=00:E0:69:01:6A:96
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=enp2s0
UUID=5b0a7d76-1602-4e19-aee6-29f57618ca01
ONBOOT=yes
IPADDR0=172.8.1.211
PREFIX0=24
GATEWAY0=172.8.1.1
DNS1=172.8.1.1
[root@centos1 ~]#yum install net-tools
ifcfg-enp2s0 ifdown-eth ifdown-post ifdown-Team ifup-aliases ifup-ipv6 ifup-post ifup-Team init.ipv6-global
ifcfg-lo ifdown-ippp ifdown-ppp ifdown-TeamPort ifup-bnep ifup-isdn ifup-ppp ifup-TeamPort network-functions
ifdown ifdown-ipv6 ifdown-routes ifdown-tunnel ifup-eth ifup-plip ifup-routes ifup-tunnel network-functions-ipv6
ifdown-bnep ifdown-isdn ifdown-sit ifup ifup-ippp ifup-plusb ifup-sit ifup-wireless
[root@centos1 ~]# cat /etc/sysconfig/network-scripts/ifcfg-enp2s0
HWADDR=00:E0:69:01:6A:96
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=enp2s0
UUID=5b0a7d76-1602-4e19-aee6-29f57618ca01
ONBOOT=no
[root@centos1 ~]# shutdown -r
[root@centos1 ~]# ip add
1: lo: <LOOPBACK,UP,LOWER_UP> 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: enp2s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether 00:e0:69:01:6a:96 brd ff:ff:ff:ff:ff:ff
inet 172.8.1.200/24 brd 172.8.1.255 scope global enp2s0
valid_lft forever preferred_lft forever
inet6 fe80::2e0:69ff:fe01:6a96/64 scope link
valid_lft forever preferred_lft forever
再次用vi打开vi /etc/sysconfig/network-scripts/ifcfg-enp2s0,输入以下参数,再用#将BOOTPROTO=dhcp注释。
IPADDR0=172.8.1.211
PREFIX0=24
GATEWAY0=172.8.1.1
DNS1=172.8.1.1
[root@centos1 ~]# cat /etc/sysconfig/network-scripts/ifcfg-enp2s0
HWADDR=00:E0:69:01:6A:96
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=enp2s0
UUID=5b0a7d76-1602-4e19-aee6-29f57618ca01
ONBOOT=yes
IPADDR0=172.8.1.211
PREFIX0=24
GATEWAY0=172.8.1.1
DNS1=172.8.1.1
[root@centos1 ~]#yum install net-tools
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