VirtualBoXでCentOS7の環境を作ります。
アダプタ１ NAT
アダプタ2 ホストオンリーアダプタ プロミスキャスモード すべて許可
iso: CentOS-7-x86_64-Minimal-1804.iso
# ifup enp0s3 # ifup enp0s8 # ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 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 group default qlen 1000 link/ether 08:00:27:6c:47:40 brd ff:ff:ff:ff:ff:ff inet 10.0.2.15/24 brd 10.0.2.255 scope global noprefixroute dynamic enp0s3 valid_lft 86346sec preferred_lft 86346sec inet6 fe80::4f70:ffce:cd5a:b691/64 scope link noprefixroute valid_lft forever preferred_lft forever 3: enp0s8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether 08:00:27:ea:0a:4c brd ff:ff:ff:ff:ff:ff inet 192.168.56.101/24 brd 192.168.56.255 scope global noprefixroute dynamic enp0s8 valid_lft 1163sec preferred_lft 1163sec inet6 fe80::eda3:db0e:13b0:a61f/64 scope link noprefixroute valid_lft forever preferred_lft forever
# yum -y update