Fix create+prepare rt kernel scripts (#701)

* Updating build and prepare scripts

* wget failing due to ssl cert fix

* matching linux version formatting across scripts

bin/create_rt_kernel_deb.sh

@@ -1,12 +1,18 @@
 #!/bin/bash
-
-KERNEL_VERSION="4.13.13"
+# 1) Replace with kernel version
+KERNEL_VERSION="x.x.x"
 
 # https://www.debian.org/releases/stable/i386/ch08s06.html.en
-sudo apt-get install kernel-package fakeroot libssl-dev
+sudo apt-get install kernel-package fakeroot libssl-dev dpkg-dev libelf-dev
 
 cd linux-${KERNEL_VERSION}/
-make-kpkg clean
+make clean
+
 # set concurrency to all cores but one
 export CONCURRENCY_LEVEL=$(expr $(grep -c ^processor /proc/cpuinfo) - 1)
-sudo fakeroot make-kpkg --initrd --revision=1.0.custom kernel_image
+
+# 2)a) on systems prior to 22.04 run below
+#sudo fakeroot make-kpkg --initrd --revision=1.0.custom kernel_image
+
+#2)b) on systems 22.04 and up run
+#sudo fakeroot make bindeb-pkg

bin/prepare_rt_kernel.sh

@@ -1,12 +1,13 @@
 #!/bin/bash
 
-RT_PATCH_DIR="4.13"
-RT_PATCH_VERSION="4.13.13-rt5"
-KERNEL_DIR="v4.x"
-KERNEL_VERSION="4.13.13"
+RT_PATCH_DIR="x.xx"
+RT_PATCH_VERSION="x.xx.xx-rtx"
+KERNEL_DIR="vx.x"
+KERNEL_VERSION="x.xx.xx"
 
-wget https://www.kernel.org/pub/linux/kernel/projects/rt/${RT_PATCH_DIR}/patch-${RT_PATCH_VERSION}.patch.xz
-wget https://www.kernel.org/pub/linux/kernel/${KERNEL_DIR}/linux-${KERNEL_VERSION}.tar.xz
+# Double check the links here as they do change over time to include new paths i.e. kernel/projects/old/rt
+wget https://www.kernel.org/pub/linux/kernel/projects/rt/${RT_PATCH_DIR}/patch-${RT_PATCH_VERSION}.patch.xz  --no-check-certificate
+wget https://www.kernel.org/pub/linux/kernel/${KERNEL_DIR}/linux-${KERNEL_VERSION}.tar.xz --no-check-certificate
 tar -xvJf linux-${KERNEL_VERSION}.tar.xz
 cd linux-${KERNEL_VERSION}/
 xzcat -dc ../patch-${RT_PATCH_VERSION}.patch.xz | patch -p1
@@ -18,6 +19,9 @@ make mrproper
 cp /boot/config-`uname -r` .config
 
 make olddefconfig
+# Setting systemkeys to avoid; No rule to make target 'debian/certs/test-signing-certs.pem' build error
+scripts/config --set-str SYSTEM_TRUSTED_KEYS ""
+scripts/config --disable SYSTEM_REVOCATION_KEYS
 
 # edit manually the RT_PREEMPT parameters:
 # General Setup -> Preemption Model  set to Fully Preemptible Kernel (RT)