1. clean up left crashkernel.default
2. fix a few typos and grammar mistakes
3. ask the users to refer to `man kdumpctl` for reset-crashkernel
Philipp Rudo <prudo@redhat.com>
Signed-off-by: Coiby Xu <coxu@redhat.com>
Update crashkernel-howto since crashkernel.default has been removed. The
documentation is also simplified as a result.
Reviewed-by: Pingfan Liu <piliu@redhat.com>
Reviewed-by: Philipp Rudo <prudo@redhat.com>
Signed-off-by: Coiby Xu <coxu@redhat.com>
