A Linux server was recently updated. Now, the server stops during the boot process with a blank screen and an fs> prompt. Which of the following is the MOST likely cause of this issue?
A.
The system is booting to a USB flash drive.
B.
The UEFI boot was interrupted by a missing Linux boot file.
B. The UEFI boot was interrupted by a missing Linux boot file.
This is the most likely cause. If the UEFI firmware cannot find the EFI boot loader for Linux (e.g., grubx64.efi or shimx64.efi in the EFI System Partition), it may drop to the UEFI shell (fs>) instead of booting the operating system.
When a Linux server stops during the boot process with a blank screen and an fs> prompt, this indicates that the system has entered the UEFI Shell. This usually occurs when the UEFI firmware cannot find a valid boot device or boot file to load the operating system. The fs> prompt is a typical UEFI file system shell prompt, suggesting that the issue is related to UEFI and the boot process.
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surfuganda
8 months ago