====== Edge1 Upgrade Linux Kernel ======

===== Introduction =====

This documentation will introduce how to upgrade Linux Kernel manually.

===== Upgrade =====

Copy the kernel, dtb and header debian packages to the board and install them directly.


<WRAP tip >
The Linux debian packages as below:
  * linux-dtb-rockchip-4.4_xxxx_arm64.deb
  * linux-image-rockchip-4.4_xxxx_arm64.deb
  * linux-headers-rockchip-4.4_xxx_arm64.deb

''xxxx'' is version number, e.g. ''1.0.11''.

</WRAP>


```shell
$ sudo dpkg -i linux-dtb-rockchip-4.4_xxxx_arm64.deb
$ sudo dpkg -i linux-image-rockchip-4.4_xxxx_arm64.deb
$ sudo dpkg -i linux-headers-rockchip-4.4_xxx_arm64.deb
$ sync
$ sudo reboot
```