grub-reboot 为什么会失败呢？

 https://wiki.debian.org/GrubReboot

https://unix.stackexchange.com/questions/43196

aka@aka-linux:~$ sudo awk -F\'\|\" '/(submenu|menuentry) / { printf "%s\t%s\n", $1, $2}' /boot/grub/grub.cfg

menuentry       Kubuntu GNU/Linux

submenu         Advanced options for Kubuntu GNU/Linux

        menuentry       Kubuntu GNU/Linux, with Linux 6.17.0-8-generic

        menuentry       Kubuntu GNU/Linux, with Linux 6.17.0-8-generic (recovery mode)

        menuentry       Kubuntu GNU/Linux, with Linux 6.17.0-5-generic

        menuentry       Kubuntu GNU/Linux, with Linux 6.17.0-5-generic (recovery mode)

        menuentry       Memory test (memtest86+x64.efi)

        menuentry       Memory test (memtest86+x64.efi, serial console)

        menuentry       Memory test (memtest86+ia32.efi)

        menuentry       Memory test (memtest86+ia32.efi, serial console)

        menuentry       Memory test (memtest86+x64.bin)

        menuentry       Memory test (memtest86+x64.bin, serial console)

        menuentry       Memory test (memtest86+ia32.bin)

        menuentry       Memory test (memtest86+ia32.bin, serial console)

menuentry       Windows Boot Manager (on /dev/nvme1n1p1)

                menuentry       UEFI Firmware Settings

aka@aka-linux:~$ sudo grub-editenv - list

next_entry=

aka@aka-linux:~$ sudo grub-reboot 2

aka@aka-linux:~$ sudo grub-editenv - list

next_entry=2

aka@aka-linux:~$ sudo reboot

aka@aka-linux:~$ Connection to 192.168.31.59 closed by remote host.

Connection to 192.168.31.59 closed.

lyq@debian:~/bin$ ssh aka@192.168.31.59

ssh: connect to host 192.168.31.59 port 22: No route to host