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Host-only与网络地址转换（NAT）
在VirtualBox中对虚拟机需要设置
- 网卡1：网络地址转换(NAT)
- 记录MAC地址：080027C68C02
- 网卡2：仅主机（Host-Only）网络
- 记录MAC地址：0800276D4274
在VirtualBox中全局进行设置
全局工具 -> 主机网络管理器-> 网卡 -> 手动配置网卡
- ipv4地址：192.168.56.1
- ipv4网络掩码：255.255.255.0
进入虚拟机
[root@localhost ~]# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1
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: enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether 08:00:27:c6:8c:02 brd ff:ff:ff:ff:ff:ff
inet6 fe80::a00:27ff:fec6:8c02/64 scope link
valid_lft forever preferred_lft forever
3: enp0s8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether 08:00:27:6d:42:74 brd ff:ff:ff:ff:ff:ff
inet6 fe80::a00:27ff:fe6d:4274/64 scope link
valid_lft forever preferred_lft forever
[root@localhost ~]# cd /etc/sysconfig/network-scripts/
[root@localhost network-scripts]# ls
ifcfg-enp0s3 ifdown ifdown-ippp ifdown-post ifdown-sit ifdown-tunnel ifup-bnep ifup-ipv6 ifup-plusb ifup-routes ifup-TeamPort init.ipv6-global
ifcfg-enp0s8 ifdown-bnep ifdown-ipv6 ifdown-ppp ifdown-Team ifup ifup-eth ifup-isdn ifup-post ifup-sit ifup-tunnel network-functions
ifcfg-lo ifdown-eth ifdown-isdn ifdown-routes ifdown-TeamPort ifup-aliases ifup-ippp ifup-plip ifup-ppp ifup-Team ifup-wireless network-functions-ipv6
[root@localhost network-scripts]# vi ifcfg-enp0s3
[root@localhost network-scripts]# vi ifcfg-enp0s8
[root@localhost network-scripts]# service network restart
ifcfg-enp0s3 配置（对应-网络地址转换(NAT)）
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=dhcp
DEFROUTE=yes
#IPADDR=10.0.0.20
#NETMASK=255.255.255.0
#GATEWAY=10.0.0.2
#DNS1=10.0.0.2
#DNS2=223.5.5.5
#DEFROUTE=yes
#PEERDNS=yes
#PEERROUTES=yes
IPV4_FAILURE_FATAL=no
#IPV6INIT=yes
#IPV6_AUTOCONF=yes
#IPV6_DEFROUTE=yes
#IPV6_FAILURE_FATAL=no
#IPV6_ADDR_GEN_MODE=stable-privacy
NAME=enp0s3
UUID=d4c7f904-100b-40cc-9890-1051bf5e2ddf
DEVICE=enp0s3
ONBOOT=yes
#此处为刚才记录的MAC地址
HWADDR=08:00:27:c6:8c:02
ifcfg-enp0s8 配置（对应-仅主机（Host-Only）网络）
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=static
DEFROUTE=yes
IPADDR=192.168.56.101
NETMASK=255.255.255.0
GATEWAY=192.168.56.1
#DNS1=10.0.0.2
#DNS2=223.5.5.5
#DEFROUTE=yes
#PEERDNS=yes
#PEERROUTES=yes
IPV4_FAILURE_FATAL=no
#IPV6INIT=yes
#IPV6_AUTOCONF=yes
#IPV6_DEFROUTE=yes
#IPV6_FAILURE_FATAL=no
#IPV6_ADDR_GEN_MODE=stable-privacy
NAME=enp0s8
UUID=d4c7f904-100b-40cc-9910-1151bf5e2ddf
DEVICE=enp0s8
ONBOOT=yes
HWADDR=08:00:27:6d:42:74