"Boot with standard options" "ro root=/dev/nvme0n1p2 resume=/dev/nvme0n1p2 resume_offset=93650944 sysrq_always_enabled=1 ec_sys.write_support=1" "Boot to single-user mode" "ro root=/dev/nvme0n1p2 single" "Boot with minimal options" "ro root=/dev/nvme0n1p2"