Technical
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May 4, 2023 (Updated March 12, 2026)
4 min to read
Ubuntu Linux Essentials: Booting Into Single User Mode and Protecting Against Unauthorized Access
Anyone with console access to a Linux machine can get root access on the machine by booting into “single user mode”. In this blog, I will show how to boot into single user mode and how to protect the bootloader against unauthenticated attempts to boot into single user mode. Read more