Show Local Hosts Entry & Device Name & MAC

show-self-hosts.sh

# uses network-manager
myip=$(nmcli device show | grep -m 1 "IP4.ADDRESS" | awk '{print substr($2, 1, length($2)-3)}')
myentry=$(echo -n $myip && echo -e "\t thishost.thisdomain.local" && echo -e "\t thishost")
echo $myentry

# get nic device name (enps)
nmcli device show | grep -m 1 "GENERAL.DEVICE" | awk '{print $2}'

# get nic mac addr
nmcli device show | grep -m 1 "GENERAL.HWADDR" | awk '{print $2}'