Changes

=== '''Method of flashing Linux image to TF card based on Ubuntu PC''' ===

1)First, prepare a TF card with 8GB or larger capacity. The transmission speed of the TF card must be above class10. It is recommended to use a TF card of SanDisk and other brands<br>

2)Then use a card reader to insert the TF card into the computer<br>

3)Download balenaEtcher software, the download address is<br>

https://www.balena.io/etcher/

4)After entering the balenaEtcher download page, please select the Linux version of the software through the drop-down box to download<br>

<div style="padding-left:200px">[[File:Orange-pi-3lts-selectlinuxversion.png|600px]]</div>

5)After downloading, use '''unzip ''' to decompress. The decompressed '''balenaEtcher-1.5.109-x64.AppImage''' is the software needed to burn the Linux image

<div style="background:#f1f1f1;border: 1px solid #000;">

balenaEtcher-1.5.109-x64.AppImage balena-etcher-electron-1.5.109-linux-x64.zip

</div>

6)Download the Linux operating system image file compression package you want to burn from the <span style="#00b0f0;">Orange Pi data download page</span>, and then use the decompression software to decompress it. In the decompressed file, the file ending with ".img" is the operating system image file. The size is generally above 1GB<br>

a.The decompression command of the compressed package at the end of a.7z is as follows

Orangepi3-lts_2.1.6_ubuntu_bionic_server_linux4.9.118.img #image file<br>

</div>

7)After decompressing the image, you can first use the sha256sum -c *.sha command to calculate whether the checksum is correct. If the prompt is successful, it means that the downloaded image is not wrong, and you can safely burn to the TF card. If the checksum does not match, it means There is a problem with the downloaded image, please try to download again

<div style="background:#f1f1f1;border: 1px solid #000;">

Orangepi3-lts_2.1.6_ubuntu_bionic_server_linux4.9.118.img: success

</div>

8)Then double-click '''balenaEtcher-1.5.109-x64.AppImage''' on the graphical interface of Ubuntu PC to open balenaEtcher (no installation required), and the opened interface is as shown in the figure below<br>

<div style="padding-left:200px">[[File:Orange-pi-3lts-balenaetcher.png|600px]]</div>

9)The writing process will prompt the writing speed and remaining time

<div style="padding-left:200px">[[File:Orange-pi-3lts-balenaetcher1.png|600px]]</div>

10)After burning, the following interface will be displayed. At this time, you can unplug the TF card from the computer and insert it into the development board to start.

<div style="padding-left:200px">[[File:Orange-pi-3lts-balenaetcher2.png|600px]]</div>