/grub# grub-install
Note: Back up snapshots and data before the operation.
Reference
[1]. http://hmarco.org/bugs/CVE-2016-4484/CVE-2016-4484_cryptsetup_initrd_shell.html ...
://blogs.msdn.microsoft.com/ntdebugging/2013/03/29/debugging-a-network-connectivity-issue-tracknblowner-to-the-rescue/
These documents introduce the ...