If you don’t have a wifi for your jetson and laptop to connect to you can connect an Ethernet cabel between your laptop and jetson.

  # on jetson
sudo ifconfig eth0 192.168.1.100 netmask 255.255.255.0 up

# on laptop
sudo ifconfig <ethernet port (use ifconfig)> 192.168.1.1 netmask 255.255.255.0 up

# on jetson check connection with
ping 192.168.1.1
# on laptop check connection with
ping 192.168.1.100

# on laptop
ssh <username>@192.168.1.100