Changes

{| class="wikitable" style="background-color:#ffffdc;width:800px;" |-| <big>'''Linux systems enable ssh remote login by default and allow the root user to log in to the system. Before logging in with ssh, you first need to ensure that the Ethernet or wifi network is connected, and then use the ip addr command or check the router to obtain the IP address of the development board.'''</big>|} 

{| class="wikitable" style="background-color:#ffffdc;width:800px;" |-| <big>'''Note that when entering the password, <span style="color:#FF0000">the specific content of the entered password will not be displayed on the screen</span>, please do not think that there is any fault, just press Enter after inputting.'''

'''If you are prompted to refuse the connection, as long as you are using the image provided by Orange Pi, <span style="color:#FF0000">please do not suspect that the password orangepi is wrong</span>, but look for other reasons.'''</big>|}

 {| class="wikitable" style="background-color:#ffffdc;width:800px;" |-| <big><p>'''If ssh fails to log in to the linux system normally, first check whether the IP address of the development board can be pinged. If the ping is ok, you can log in to the linux system through the serial port or HDMI display and then enter the following command on the development board and try again. Is it possible to connect:'''</p></li></ol>