Directly reboot into a new kernel.
- Load a new kernel:
kexec -l {{path/to/kernel}} --initrd={{path/to/initrd}} --command-line={{arguments}}
- Load a new kernel with current boot parameters:
kexec -l {{path/to/kernel}} --initrd={{path/to/initrd}} --reuse-cmdline
- Execute a currently loaded kernel:
kexec -e
- Unload current kexec target kernel:
kexec -u