docs: Added screenshots of installation scripts

ReadMe.md

@@ -44,7 +44,13 @@ As a Docker shares the host kernel allowing a container to run real-time capable
 
 There are several ways of applying a [`PREEMPT_RT`](https://wiki.linuxfoundation.org/realtime/start) patch. [Since February 2023](https://ubuntu.com/blog/real-time-ubuntu-is-now-generally-available) and Ubuntu 22.04 an Ubuntu realtime-kernel, that can be installed with a few terminal commands, is available through [**Ubuntu Pro**](https://ubuntu.com/pro). For **personal use** you can **register up to five machines for free** while commercial customers will have to sign up for a [subscription](https://ubuntu.com/pro/subscribe). I recommend installing the patch in this way as it is by far the easiest and most reliable. The guide [`doc/PreemptRt.md`](./doc//PreemptRt.md) walks you through the registration and installation procedure.
 
-Alternatively, I have also lined out the installation procedure either by compilation from source or from an existing [Debian package](https://packages.debian.org/buster/linux-image-rt-amd64) in [`doc/PreemptRt.md`](./doc//PreemptRt.md). The same procedure can also be performed with the provided scripts [`src/install_debian_preemptrt`](./src/install_debian_preemptrt) and [`src/compile_kernel_preemptrt`](./src/compile_kernel_preemptrt).
+Alternatively, I have also lined out the installation procedure either by compilation from source or from an existing [Debian package](https://packages.debian.org/buster/linux-image-rt-amd64) in [`doc/PreemptRt.md`](./doc//PreemptRt.md). The same procedure can also be performed with the provided scripts [`src/install_debian_preemptrt`](./src/install_debian_preemptrt) and [`src/compile_kernel_preemptrt`](./src/compile_kernel_preemptrt) (see screenshots below).
+
+| ![Installation script from existing Debian](media/install_debian_preemptrt_2.png) | ![Compilation from source](media/compile_kernel_preempt_rt_1.png) |
+| ------------------------------------------------------------ | ------------------------------------------------------------ |
+| Installation script for downloading existing Debian package | Installation script for compilation from source |
+
+
 
 ### 1.2 Setting up real-time privileges
 

doc/PreemptRt.md

@@ -78,9 +78,17 @@ Start of by launching [`src/install_debian_preemptrt`](./src/install_debian_pree
 
 ```shell
 $ cd src
-$ ./install_debian_preemptrt
+$ mkdir tmp
+$ cd tmp
+$ ./../install_debian_preemptrt
 ```
 
+Below are shown screenshots of the installation script:
+
+| ![Launch from command line](../media/install_debian_preemptrt_0.png) | ![Select desired kernel version](../media/install_debian_preemptrt_1.png) |
+| ------------------------------------------------------------ | ------------------------------------------------------------ |
+| ![Select download server](../media/install_debian_preemptrt_2.png) | ![Install the freshly downloaded Debian package](../media/install_debian_preemptrt_3.png) |
+
 Afterwards you can reboot your system (be sure to select the correct kernel!) and should already be ready to go. You can check the kernel version with `$ uname -r` to verify that you are using the correct kernel and the installation was indeed successful. Quite often this installation might fail due to missing dependencies. I am not completely sure what is the issue there but in case this does not work you will have to compile the kernel yourself as outlined in the next section.
 
 ##### 1.2.2.2 Manual installation
@@ -110,7 +118,9 @@ You can launch it in two different ways:
 
 ```shell
 $ cd src
-$ ./compile_kernel_preemptrt
+$ mkdir tmp
+$ cd tmp
+$ ./../compile_kernel_preemptrt
 ```
 
 will install the required dependencies and then open a dialog which lets you browse the possible versions and available options manually, reducing the copy and paste operations.
@@ -119,11 +129,22 @@ If you supply a correct real-time patch version from the list of available ones
 
 ```shell
 $ cd src
-$ sudo ./compile_kernel_preemptrt 5.10.78-rt55
+$ mkdir tmp
+$ cd tmp
+$ sudo ./../compile_kernel_preemptrt 5.10.78-rt55
 ```
 
 This might be helpful for deploying a new kernel automatically on a remote system. The possible version numbers to be passed as arguments can be found at [here](https://mirrors.edge.kernel.org/pub/linux/kernel/projects/rt/).
 
+Below are shown screenshots of the installation script:
+
+| ![Launch the script from command line](../media/compile_kernel_preempt_rt_0.png) | ![Select the major kernel version](../media/compile_kernel_preempt_rt_1.png) |
+| ------------------------------------------------------------ | ------------------------------------------------------------ |
+| ![Select the desired version of PREEMPT_RT](../media/compile_kernel_preempt_rt_2.png) | ![Optional: Make manual modifications to the kernel settings](../media/compile_kernel_preempt_rt_3.png) |
+| ![Exit and save the manual kernel configuration](../media/compile_kernel_preempt_rt_4.png) | ![Select Debian or classic installation and wait](../media/compile_kernel_preempt_rt_5.png) |
+
+
+
 ##### 1.2.3.2 Manual installation
 
 The re-compilation of the kernel is described in the [official Ubuntu installation guide](https://help.ubuntu.com/lts/installation-guide/amd64/install.en.pdf#page=98) as well as on the [Franka Emika installation guide](https://frankaemika.github.io/docs/installation_linux.html#setting-up-the-real-time-kernel) page but [might depend on the precise version](https://stackoverflow.com/a/51709420). In case you are running into issues you might have to consider [this](https://askubuntu.com/a/1338150) and [this](https://askubuntu.com/a/1329625) post. As already mentioned the script `src/compile_kernel_preemptrt` does the steps that are listed in this section. Therefore it should not be necessary for you to do the following steps manually!