VMs Network Interface Setup

Ubuntu 22

NAT and Host-only network mode

Using static ip address for Host-only can be useful to communicate with applications.

Goto VM Network Settings > Select Adapter 1 as 'NAT' > Adapter 2 as 'Host-only Adapter' > Select the Name of Host-only Adapter as well.

Setup static ip address in Ubuntu

Edit connection (VirtualBox example)

sudo vi /etc/netplan/00-installer-config.yaml

Default Configuration

network:
  ethernets:
    enp0s3:
      dhcp4: true
    enp0s8:
      dhcp4: true
  version: 2

Static IP for Host only network

network:
  version: 2
  renderer: NetworkManager
  ethernets:
    enp0s3:
      dhcp4: true
      routes:
        - to: default
          via: 10.0.2.2
      nameservers:
        addresses:
          - 8.8.8.8
    enp0s8:
      dhcp4: no
      addresses:
        - 192.168.56.101/24
      routes:
        - to: default
          via: 192.168.56.1
      nameservers:
        addresses:
          - 8.8.8.8

sudo netplan apply

route -n

CentOS 8/9

Host-only and Bridge network mode

Using static ip address for Host-only in Adapter 1 can be useful to communicate with applications.

Goto VM Network Settings > Select Adapter 1 as 'Host-only Adapter' > Adapter 2 as 'Bridge Adapter' > Select the Name for both Adapter as well.

Setup static ip address in CentOS

sudo nmtui

Edit connection (VirtualBox example)

• Select an interface (enp0s3)
• IPv4 configuration (manual)
• Address (192.168.56.101)
• Subnet (255.255.255.0)
• Gateway (192.168.56.1)
• DNS server (8.8.8.8)
• Save and Apply

sudo systemctl restart NetworkManager

route -n