diff --git a/README.md b/README.md index 5d2a42f..ca3b869 100644 --- a/README.md +++ b/README.md @@ -66,10 +66,10 @@ docker build [--no-cache] [--build-arg UBUNTU_VERSION=] [--build-ar where: -* `````` is `jammy` or `focal`, default is `focal` -* `````` is `5.4.0` or `5.15.0`, default is `5.4.0` -* `````` is in a form of ```5.4.0-1058-raspi```, see [Ubuntu raspi Linux kernels](http://ports.ubuntu.com/pool/main/l/linux-raspi) -* `````` is in a form of ```5.4.177-rt69```, see [RT patches](http://cdn.kernel.org/pub/linux/kernel/projects/rt/5.4/older) +* `````` is `jammy` or `focal`, default is `jammy` +* `````` is `5.15.0` or `5.4.0`, default is `5.15.0` +* `````` is in a form of ```5.15.0-1023-raspi```, see [Ubuntu raspi Linux kernels](http://ports.ubuntu.com/pool/main/l/linux-raspi) +* `````` is in a form of ```5.15.76-rt53```, see [RT patches](http://cdn.kernel.org/pub/linux/kernel/projects/rt/5.15/older) * `````` is `2.13`, default is `2.13` ```bash @@ -112,19 +112,19 @@ You need 16GB free disk space to build it, it takes a while, and the results are ```bash raspi:~/linux_build/linux-raspi $ ls -la ../*.deb --rw-r--r-- 1 user user 11442412 Apr 8 13:20 ../linux-headers-5.4.174-rt69-raspi_5.4.174-rt69-raspi-1_arm64.deb --rw-r--r-- 1 user user 40261364 Apr 8 13:21 ../linux-image-5.4.174-rt69-raspi_5.4.174-rt69-raspi-1_arm64.deb --rw-r--r-- 1 user user 1055452 Apr 8 13:20 ../linux-libc-dev_5.4.174-rt69-raspi-1_arm64.deb +-rw-r--r-- 1 user user 8123580 Jan 16 16:34 ../linux-headers-5.15.74-rt53-raspi_5.15.74-rt53-raspi-1_arm64.deb +-rw-r--r-- 1 user user 58802024 Jan 16 16:34 ../linux-image-5.15.74-rt53-raspi_5.15.74-rt53-raspi-1_arm64.deb +-rw-r--r-- 1 user user 1185420 Jan 16 16:34 ../linux-libc-dev_5.15.74-rt53-raspi-1_arm64.deb ``` ## Deploy new kernel on Raspberry Pi4 -### Download and install Ubuntu 20.04 server image +### Download and install Ubuntu 22.04 server image -Follow these links to download and install Ubuntu 20.04 on your Raspberry Pi4 +Follow these links to download and install Ubuntu 22.04 on your Raspberry Pi4 * [Install Ubuntu on a Raspberry Pi](https://ubuntu.com/download/raspberry-pi) -* [Download Ubuntu Raspberry Pi server image](https://ubuntu.com/download/raspberry-pi/thank-you?version=20.04.3&architecture=server-arm64+raspi) +* [Download Ubuntu Raspberry Pi server image](https://ubuntu.com/download/raspberry-pi/thank-you?version=22.04.1&architecture=server-arm64+raspi) * [Create an Ubuntu image for a Raspberry Pi on Ubuntu](https://ubuntu.com/tutorials/create-an-ubuntu-image-for-a-raspberry-pi-on-ubuntu#2-on-your-ubuntu-machine) ```bash @@ -163,7 +163,7 @@ After reboot you should see a new RT kernel installed and real-time enabled ```bash ubuntu@ubuntu:~$ uname -a -Linux ubuntu 5.4.174-rt69-raspi #1 SMP PREEMPT_RT Mon Apr 8 14:10:16 UTC 2022 aarch64 aarch64 aarch64 GNU/Linux +Linux ubuntu 5.15.74-rt53-raspi #1 SMP PREEMPT_RT Mon Jan 16 14:10:16 UTC 2023 aarch64 aarch64 aarch64 GNU/Linux ubuntu@ubuntu:~$ cat /sys/kernel/realtime 1 @@ -183,6 +183,6 @@ As this repository is within the `ros-realtime` organization it can be assumed t * [ROS Real-Time Working group documentation](https://ros-realtime.github.io/Guides/Real-Time-Operating-System-Setup/Real-Time-Linux/rt_linux_index.html) * [Ubuntu raspi linux images](http://ports.ubuntu.com/pool/main/l/linux-raspi) -* [RT patches](http://cdn.kernel.org/pub/linux/kernel/projects/rt/5.4/older) -* [Download Ubuntu raspi image](https://ubuntu.com/download/raspberry-pi/thank-you?version=20.04&architecture=arm64+raspi) +* [RT patches](http://cdn.kernel.org/pub/linux/kernel/projects/rt/5.15/older) +* [Download Ubuntu raspi server image](https://ubuntu.com/download/raspberry-pi/thank-you?version=22.04.1&architecture=server-arm64+raspi) * [Building Realtime ```RT_PREEMPT``` kernel for ROS 2](https://index.ros.org/doc/ros2/Tutorials/Building-Realtime-rt_preempt-kernel-for-ROS-2/)