Set you MacBook Hostname

Code

sudo scutil --set ComputerName  "vaviles-mac-air-m4"
sudo scutil --set LocalHostName "vaviles-mac-air-m4"
sudo scutil --set HostName      "vaviles-mac-air-m4.1apx.com"

scutil --get ComputerName
scutil --get LocalHostName
scutil --get HostName