v0.0.3 - Add loglevel=1 to live boot args to suppress TTY console noise

.tmp_pause_boot_verify/boot/grub/grub.cfg

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+source /boot/grub/config.cfg
+
+# Live boot
+menuentry "Live system (amd64)" --hotkey=l {
+	linux	/live/vmlinuz-6.12.85+deb13-amd64 boot=live components console=tty0 console=ttyS0,115200n8 loglevel=4 systemd.unit=multi-user.target systemd.log_target=console systemd.log_level=debug findiso=${iso_path}
+	initrd	/live/initrd.img-6.12.85+deb13-amd64
+}
+menuentry "Live system (amd64 fail-safe mode)" {
+	linux	/live/vmlinuz-6.12.85+deb13-amd64 boot=live components memtest noapic noapm nodma nomce nosmp nosplash vga=788 systemd.unit=multi-user.target systemd.log_target=console systemd.log_level=debug systemd.confirm_spawn=1
+	initrd	/live/initrd.img-6.12.85+deb13-amd64
+}
+
+# You can add more entries like this
+# menuentry "Alternate live boot" {
+# linux /live/vmlinuz-6.12.85+deb13-amd64 boot=live components console=tty0 console=ttyS0,115200n8 loglevel=4 systemd.unit=multi-user.target systemd.log_target=console systemd.log_level=debug findiso=${iso_path} custom options here
+# initrd /live/initrd.img-6.12.85+deb13-amd64
+# }
+# menuentry "Alternate graphical installer" {
+# linux   custom options here
+# initrd
+# }
+# menuentry "Alternate textual installer" {
+# linux   custom options here
+# initrd
+# }
+
+# Installer (if any)
+if false; then
+
+source	/boot/grub/install_start.cfg
+
+submenu 'Advanced install options ...' --hotkey=a {
+
+	source /boot/grub/theme.cfg
+
+	source	/boot/grub/install.cfg
+
+}
+fi
+
+submenu 'Utilities...' --hotkey=u {
+
+	source /boot/grub/theme.cfg
+
+	# Memtest (if any)
+	if false; then
+		source /boot/grub/memtest.cfg
+	fi
+
+	# Firmware setup (UEFI)
+	if [ "${grub_platform}" = "efi" ]; then
+		menuentry "UEFI Firmware Settings" --hotkey=f {
+			fwsetup
+		}
+	fi
+
+	# Verify the checksums
+	if true; then
+		menuentry "Verify integrity of the boot medium" --hotkey=v {
+			linux	/live/vmlinuz-6.12.85+deb13-amd64 boot=live components console=tty0 console=ttyS0,115200n8 loglevel=4 systemd.unit=multi-user.target systemd.log_target=console systemd.log_level=debug findiso=${iso_path} verify-checksums
+			initrd	/live/initrd.img-6.12.85+deb13-amd64
+		}
+	fi
+}

.tmp_pause_boot_verify/isolinux/live.cfg

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+label live-amd64
+	menu label ^Live system (amd64)
+	menu default
+	linux /live/vmlinuz
+	initrd /live/initrd.img
+	append boot=live components console=tty0 console=ttyS0,115200n8 loglevel=4 systemd.unit=multi-user.target systemd.log_target=console systemd.log_level=debug
+
+label live-amd64-failsafe
+	menu label Live system (amd64 fail-safe mode)
+	linux /live/vmlinuz
+	initrd /live/initrd.img
+	append boot=live components memtest noapic noapm nodma nomce nosmp nosplash vga=788 systemd.unit=multi-user.target systemd.log_target=console systemd.log_level=debug systemd.confirm_spawn=1