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How to Password Protect Grub Boot Loader in Linux

If you are a Linux sysadmin, you might not want others in your IT department, who has physical access to the server, change anything from the GRUB bootloader menu that is displayed during system startup. GRUB is the 3rd stage in the Linux boot process that we discussed earlier. GRUB security features allows you to [...]

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On some of the Linux distribution SELinux is enabled by default, which may cause some unwanted issues, if you don't understand how SELinux works and the fundamental details on how to configure it. I strongly recommend that you understand SELinux and implement it on your environment. But, until you understand the implementation details of SELinux [...]

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