If your Linux server or workstation does not boot, there are a few steps that you can take to troubleshoot the issue:
Check the boot order: Make sure that the boot device is set to the correct device, such as the hard drive or a bootable USB drive. You can usually change the boot order in the BIOS or UEFI settings.
Check the boot messages: Pay attention to any error messages that are displayed during the boot process. These messages can often provide clues as to what is causing the boot failure.
Enter recovery mode: Most Linux systems have a recovery mode that you can access by pressing a key during the boot process. Recovery mode can provide access to tools such as a shell, filesystem checker, and bootloader repair tools.
Check the filesystem: If the boot failure is due to a damaged filesystem, you can try running the fsck command to check and repair the filesystem. You can usually run fsck from the recovery mode or from a bootable USB drive.
Check the bootloader: If the bootloader is damaged or corrupted, you may need to repair or reinstall it. You can usually use tools such as grub-install or bootctl to repair or reinstall the bootloader.
Check the hardware: If the boot failure is due