OrangePi Zero3: How to reduce the capacity of the rootfs partition in the TF card

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Chapt 3. Instructions for use of Debian/Ubuntu Server and Xfce desktop system

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Chapter 3 contents

3.6.4. How to reduce the capacity of the rootfs partition in the TF card

After configuring the application program or other development environment in the Linux system of the TF card, if you want to back up the Linux system in the TF card, you can use the method in this section to reduce the size of the rootfs partition first, and then start the backup.

1) First insert the TF card you want to operate in the Ubuntu computer (Windows not available)

2) Then install the gparted software on the Ubuntu computer

test@test:~$ sudo apt install -y gparted

3) Then open gparted

test@test:~$ sudo gparted

4) After opening gparted, you can select the TF card in the upper right corner, and then you can see the usage of the TF card capacity

Img 3.24

5) Then select the rootfs partition (/dev/sdc1)

Img 3.25

6) Click the right mouse button again to see the operation options shown in the figure below. If the TF card has been mounted, first you need to Umount the rootfs partition of the TF card

Img 3.26

7) Then select the rootfs partition again, click the right mouse button, and select Resize/Move to start setting the size of the rootfs partition

Img 3.27

8) After theResize/Move option is turned on, the following setting interface will pop up

Img 3.28

9) Then you can directly drag the location shown in the figure below to set the size of the capacity, or you can set the size of the rootfs partition by setting the number in New sieze(MiB)

Img 3.29

10) After setting the capacity, clickResize/Move in the lower right corner

Img 3.30

11) After confirming that it is correct, click the green button shown in the figure below

Img 3.31

12) Then select Apply, and the expansion of the rootfs partition will officially start

Img 3.32

13) After the expansion is completed, click Close to close

Img 3.33

14) Then you can pull out the TF card, insert it into the development board and start it up. After entering the Linux system of the development board, if you can use the df -h command to see that the size of the rootfs partition is the same as the size set before, it means that the size has been reduced. capacity success

root@orangepi:~# df -h
Filesystem Size Used Avail Use% Mounted on
udev 925M 0 925M 0% /dev
tmpfs 199M 3.2M 196M 2% /run
/dev/mmcblk0p1 7.7G 3.2G 4.4G 42% /

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