Add change-kernel-version.sh

First public release of an utility script to make changing the kernel version of the host machine easier

change-kernel-version.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+
+OLD_KERNEL_VERSION=$(uname -r)
+NEW_KERNEL_VERSION="5.15.0-116-generic"
+
+# TODO add a way to change new kernel version via param/args
+# TODO compare kernel versions before running
+echo "[INFO] Currently installed kernel version: $OLD_KERNEL_VERSION"
+echo "[INFO] Kernel version to be installed: $NEW_KERNEL_VERSION"
+
+echo "[INFO] Updating system package lists"
+sudo apt update
+echo "[INFO] Installing kernel $NEW_KERNEL_VERSION"
+sudo apt install linux-image-$NEW_KERNEL_VERSION linux-headers-$NEW_KERNEL_VERSION -y
+echo "[INFO] Updating GRUB and initramfs"
+sudo update-initramfs -u -k all && sudo update-grub
+
+echo "[INFO] Reinstalling the GTP-U kernel module"
+cd gtp5g/
+#TODO if command above fails, clone gtp again, install then remove the new clone
+make
+sudo make install
+echo "[INFO] Installation finished, reboot to be able to use the new kernel version"