ssh into raspberry pi from linux code example

Example: raspberry pi ssh

ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
country=<YOUR TWO LETTER COUNTRY CODE>

network={
    ssid="<YOUR NETWORK NAME>"
    psk="<YOUR NETWORK PASSWORD>"
    key_mgmt=WPA-PSK
}

save this in "wpa_supplicant.conf"