Updating Kernel Image on VisionFive 2

Perform the following steps to update the kernel image on VisionFive 2:

Flashing Debian image to SD card, it is mandatory to start VisionFive 2 normally once.
Tip:
- Flash Debian OS into a Micro-SD card as described in the Flashing OS to a Micro-SD Card section in the VisionFive 2 Single Board Computer Quick Start Guide.
- The Debian image version used in this step is starfive-jh7110-VF2_515_v2.5.0-69.
  Link: https://debian.starfivetech.com/
  The corresponding software version is VisionFive2 Software v2.5.0.
  Link: https://github.com/starfive-tech/VisionFive2/releases/tag/VF2_v2.5.0
Figure 1. VisionFive 2 Startup Output Example
Insert an SD card and perform mount operations under Ubuntu development environment:
1. Perform the following command to list devices:
```
fdisk -l
```
  Figure 2. Example Output
2. Execute the following command to mount:
```
sudo mount /dev/sdc2 /media/<Username>/root/boot
```
  Example command:
```
sudo mount /dev/sdc2 /media/yzx/root/boot
```

Execute the following command and copy the generated kernel files to /media/<Username>/root/boot/boot:

sudo cp boot/vmlinuz-5.15.0-starfive /media/<Username>/root/boot/boot && sync
sudo cp boot/config-5.15.0-starfive /media/<Username>/root/boot/boot && sync
sudo cp boot/System.map-5.15.0-starfive /media/<Username>/root/boot/boot && sync

Execute the following command and copy the generated deb image packages to /media/<Username>/root/usr:

sudo cp linux-image-5.15.0-starfive_5.15.0-starfive-1_riscv64.deb /media/<<Username>/ root/usr/ && sync
sudo cp linux-libc-dev_5.15.0-starfive-1_riscv64.deb /media/<Username>/root/usr/ && sync
sudo cp linux-headers-5.15.0-starfive_5.15.0-starfive-1_riscv64.deb /media/<Username>/root/usr/ && sync

Download Docker offline install package and copy it to /media/<username>/root/usr.
Tip: Install package download path: https://github.com/carlosedp/riscv-bringup/releases/download/v1.0/docker-v20.10.2-dev_riscv64.deb
Insert the SD card on VisionFive 2 and restart it to enter the emergency mode. Then enter the password starfive to login.
Unplug the SD card first and then reinsert it on VisionFive 2. After successful login, enter the /usr directory to install the deb package.
Note: To install the package, execute the following commands in order.
```
dpkg -i linux-headers-5.15.0-starfive_5.15.0-starfive-1_riscv64.deb
dpkg -i linux-libc-dev_5.15.0-starfive-1_riscv64.deb
dpkg -i linux-image-5.15.0-starfive_5.15.0-starfive-1_riscv64.deb
```
Restart the system to enter the normal login interface, and enter the account and password.
Execute the following commands to install Docker related dependency packages and offline packages:
```
apt install libip6tc2 libyajl2 conntrack ebtables ethtool iptables socat libyajl-dev
dpkg –i docker-v20.10.2-dev_riscv64.deb
```