kernel_generic.txt

# 1. Download a kernel:

  wget https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-6.1.tar.xz
  tar xvf linux-6.1.tar.xz

# 2. Configure the kernel (supposing a Manjaro kernel):

  cd linux-6.1
  make localmodconfig

# Optimize:

  make nconfig

# Compile:

  make -j$(nproc)

# Install modules:

  sudo make INSTALL_MOD_PATH=/ modules_install

# Copy the kernel to the /boot directory:

  sudo cp -v arch/x86_64/boot/bzImage /boot/vmlinuz-5.5.13-x86_64

# Create the initial RAM disk:

  sudo mkinitcpio -r / -k 5.5.13-MANJARO -g /boot/initramfs-5.5.13-x86_64.img

# Show the grub menu:

# As root edit /etc/default/grub and change:

# GRUB_TIMEOUT_STYLE=hidden
GRUB_TIMEOUT_STYLE=menu
#GRUB_CMDLINE_LINUX_DEFAULT="quiet apparmor=1 security=apparmor udev.log_priority=3"
GRUB_CMDLINE_LINUX_DEFAULT="apparmor=1 security=apparmor udev.log_priority=3"

# Update grub:

  sudo update-grub
  @vicente-gonzalez-ruiz