(If you are engaged in LINUX, I believe you must know that the Linux kernel is open, and there are many people who study it. Many hackers in the narrow sense are protecting it. As long as someone proposes a loophole, it will be solved immediately. I don't want Microsoft to be so selfish. But even though so many people are studying it, some security risks are inevitable. It can also be said that it must exist. Just up to us to strengthen it. For example, GRUB password, user password, BIOS, etc. Wherever LINUX exists. All here. And very detailed configuration. Including screenshots, etc. I suggest that everyone who is engaged in the construction of LINUX server security must read it, I believe it will be of great help to you. If the writing is not good, you can submit a book,)
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