configure server:
sudo mkdir /PanicDumps
sudo chown root:wheel /PanicDumps
sudo chmod 1777 /PanicDumps
sudo launchctl load -w /Sysytem/Library/LaunchDaemons/com.apple.kdumpd.plist
sudo launchctl list | grep kdump
configure client:
sudo nvram boot-args="debug=0xd44 _panicd_ip=10.10.1.1"
10.10.1.1 is server ip