dhcp.sh

#!/bin/bash

# Tech and Me © - 2018, https://www.techandme.se/

# shellcheck disable=2034,2059
true
# shellcheck source=lib.sh
FIRST_IFACE=1 . <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
unset FIRST_IFACE

# Check for errors + debug code and abort if something isn't right
# 1 = ON
# 0 = OFF
DEBUG=0
debug_mode

# Copy old interfaces file
msg_box "Copying old netplan.io config file file to:

/tmp/01-netcfg.yaml_backup"
check_command cp -v /etc/netplan/01-netcfg.yaml /tmp/01-netcfg.yaml_backup

# Check if this is VMware:
install_if_not virt-what
if [ "$(virt-what)" == "vmware" ]
then
cat <<-IPCONFIG > "$INTERFACES"
network:
   version: 2
   renderer: networkd
   ethernets:
       $IFACE: #object name
         dhcp4: yes # dhcp v4 disable
         dhcp6: no # dhcp v6 disable
         nameservers:
           addresses: [$DNS1,$DNS2] #name servers
IPCONFIG
    netplan apply
else
cat <<-IPCONFIGnonvmware > "$INTERFACES"
network:
   version: 2
   renderer: networkd
   ethernets:
       $IFACE: #object name
         dhcp4: yes # dhcp v4 disable
         dhcp6: no # dhcp v6 disable
         nameservers:
           addresses: [$DNS1,$DNS2] #name servers
IPCONFIGnonvmware
    netplan apply
fi

exit 0