Avviare la iso dal grub ( senza usb, dvd, ecc. )

[cozzi.r16]

Buongiorno sto provando,

Codice:

[roberto@localhost ~]$ update-grub
Password:
Generating grub configuration file ...
Found theme: /boot/grub2/themes/pclinuxos/theme.txt
Found linux image: /boot/vmlinuz-5.16.11-pclos1
Found initrd image: /boot/initrd-5.16.11-pclos1.img
Found linux image: /boot/vmlinuz-5.15.25-pclos1
Found initrd image: /boot/initrd-5.15.25-pclos1.img
Found linux image: /boot/vmlinuz-5.10.102-pclos1
Found initrd image: /boot/initrd-5.10.102-pclos1.img
Found linux image: /boot/vmlinuz-5.4.181-pclos1
Found initrd image: /boot/initrd-5.4.181-pclos1.img
Warning: os-prober will be executed to detect other bootable partitions.
Its output will be used to detect bootable binaries on them and create new boot entries.
Found Windows Boot Manager on /dev/sda2@/efi/Microsoft/Boot/bootmgfw.efi
Found Linux Mint 21 Vanessa (21) on /dev/sda5
Found Ubuntu 22.04.1 LTS (22.04) on /dev/sda8
errore: grub-core/script/lexer.c:352:out of memory.
errore: grub-core/script/lexer.c:352:syntax error.
errore: grub-core/script/lexer.c:352:Incorrect command.
errore: grub-core/script/lexer.c:352:syntax error.
Errore di sintassi alla riga 430
Syntax errors are detected in generated GRUB config file.
Ensure that there are no errors in /etc/default/grub
and /etc/grub.d/* files or please file a bug report with
/boot/grub2/grub.cfg.new file attached.
[roberto@localhost ~]$

ma mi sembra che pasticcio,

https://i.postimg.cc/rp6wb8sz/Schermata-...-29-24.png

https://i.postimg.cc/bJVX7TgL/Schermata-...-20-07.png