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Grub menu set default

11.10 - Editing the default boot item in grub menu, a ..

  1. The definitive guide is the community wiki (link below). But in summary - GRUB_DEFAULT takes either a numeric or a string value. Numeric values reflect the boot order options (menu entry values) described in /boot/grub/grub.cfg. For example - in my grub my GRUB_DEFAULT value is set to the value 6 (six)
  2. In grub (before version 2, actually it is usually version 0.99), the default entry is stored in /boot/grub/grub.conf. The default entry to boot is specified by the 'default' variable such as. default=2. The '2' here is to set the default entry to be the 2nd (start from 0) one
  3. AIO Boot supports users to set the Grub2 default boot entry directly from the menu. This article will guide you how to do that. By default, Grub2 will select the first menu and will automatically boot into that menu entry if the user does not take any action within the timeout period. If you want Grub2 to automatically boot into another, just set it as the default
  4. Choose the Default OS: Change the GRUB_DEFAULT= line. By default, GRUB_DEFAULT=0 uses the first entry as the default — change the number to 1 to use the second entry, 2 to use the third entry, or so on. You could also use GRUB_DEFAULT=saved and GRUB would automatically boot the last operating system you chose each time you boot. You can also specify a label in quotes
How to show grub menu in Ubuntu with only a single OS

Ubuntu 18.04 LTSでも「GRUB 2」を使用しますが、コマンド名は「grub-set-default」と異なります。 コマンドの利用方法はgrub2-set-defaultと同じです In some distributions you can also set this number by editing the /etc/default/grub file and setting GRUB_DEFAULT=X, and then running update-grub. The number is the index to an array of kernels/kernel settings shown in the GRUB menu during boot, with 0 being the first (top-most) entry To select a menu entry under the sub-menu Advanced options set GRUB_DEFAULT=1>3. You can now run grub2-mkconfig to generate the grub config file. On the next reboot vmlinuz-3.7.4-gentoo-5 should boot. Note: This won't change the default entry in the grub menu, i.e., the default entry will still indicate the same entry as you have right now. 3. Edit /etc/default/grub $ sudo vi /etc/default/grub. 4. Change the value of GRUB_DEFAULT from 0 to the OS string you copied from /boot/grub/grub.cfg, then save /etc/default/grub. 5. Regenerate the Grub menu, /boot/grub/grub.cfg, by running the following command: $ sudo update-grub. 6. Reboot the computer to verify the expected OS is the.

How to Set Default Entry in Grub2 and Grub - SysTutorial

How to Change Default GRUB2 Entries & GRUB2 Menu Timeout on CentOS 7 / RHEL 7 / SL 7 / OL 7. GRUB2 is the default boot loader for all Enterprise Linux 7. It load all the Linux Distro as well as other operating system with ease. It provides a menu which shows all the the operating system in one place. The GRUB2 has advanced feature as well as some basic features that makes it effective on all. gksudo gedit /boot/grub/menu.lst. Kubuntu kdesu kate /boot/grub/menu.lst. Xubuntu gksudo mousepad /boot/grub/menu.lst. Finding the Line. Find this line in the document that was just opened, it will read like this: ## default num # Set the default entry to the entry number NUM. Numbering starts from 0, and # the entry number 0 is the default if. As in previous Grub 2 versions, the default boot option is set by a setting of the /etc/default/grub file. The first menuentry on the main menu is designated by the entry GRUB_DEFAULT=0. Entries displayed on the main menu can be designated by number or title as with earlier versions of Grub 2

Now restart and you will be asked for the password when you will choose the first default menu entry and when you will try to edit entries menu by pressing e or c. 4) Set a password for old distributions using legacy GRUB. For old distribution using legacy grub, it is possible to set grub password with grub-md5-crypt command: # grub-md5-cryp To force a system to always use a particular menu entry and to set default boot kernel, use the menu entry name as the key to the GRUB_DEFAULT directive in the /etc/default/grub file. To list the available menu entries, run the following command as root: # awk -F\' '$1==menuentry .

grub-set-default sets the default boot menu entry for all subsequent boots. This command only works for GRUB configuration files created with GRUB_DEFAULT=saved in /etc/default/grub. Options--boot-directory=DIR. Find GRUB images under DIR/grub. The default value is /boot, resulting in grub images being search for at /boot/grub. MENU_ENTRY. A. The default entry is defined by the GRUB_DEFAULT line in the /etc/default/grub file. However, if the GRUB_DEFAULT line is set as saved, the parameter is stored in the /boot/grub2/grubenv file. It may be viewed by: [root@host ~]# grub2-editenv list saved_entry=CentOS Linux (3.10.-229.14.1.el7.x86_64) 7 (Core) Another useful entry in the /etc.

Valid keys in /etc/default/grub are as follows: 'GRUB_DEFAULT' The default menu entry. This may be a number, in which case it identifies the Nth entry in the generated menu counted from zero, or the title of a menu entry, or the special string 'saved'.Using the id may be useful if you want to set a menu entry as the default even though there may be a variable number of entries before it GRUB_DEFAULT=saved 注释:该项将使用grub-set-default和grub-reboot命令来配置默认启动项 例如: $ sudo grub-set-default 0. 上面这条语句将会持续有效,直到下一次修改;下面的命令则只有下一次启动的时候生效: $ sudo grub-reboot 0. 将下次选择的启动项设为默 sudo gedit /boot/grub/menu.lst. Find the section in the file like this: There are four titles match the four grub menu when you start the computer,count from above to below with the numbering starts at 0,in this screen Windows is number 3 and just change the line which says default 0 to default 3 1. Select default OS (GRUB_DEFAULT) Open /etc/default/grub file using any text editor, for example nano. $ sudo nano /etc/default/grub. Find the line GRUB_DEFAULT.We can select the default OS to boot using this option. If you set the value as 0, the first operating system in the GRUB boot menu entry will boot

If you do not interact with the grub menu at the boot time, it takes 10 seconds to boot into the default operating system. You can use Grub Customizer and reduce this boot time to something of your choice like 3 seconds or 5 seconds. You can do this from General Settings tab in Grub Customizer The GRUB menu interface configuration file is /boot/grub/grub.conf. The commands to set the global preferences for the menu interface are placed at the top of the file, followed by stanzas for each operating kernel or operating system listed in the menu. The following is a very basic GRUB menu configuration file designed to boot either Red Hat. Change GRUB Menu Timeout: It is nothing but an amount of time after which the GRUB automatically boots default operating system. During this time, you can either choose any of the operating systems to boot or leave it be to automatically boot. It is usually 5 seconds

How to set the Grub2 default boot entry - AIO Boo

With the GRUB_TIMEOUT key set to 0 in the /etc/default/grub file, GRUB 2 does not display the list of bootable kernels when the system starts up. In order to display this list when booting, press and hold any alphanumeric key when the BIOS information is displayed; GRUB 2 will present you with the GRUB menu In this video I show you how to change grub menu default configuration after installing ubuntu in a dual boot configuration with windows 10. when the computer boots up in a dual boot system. 15.1.10 default. If this variable is set, it identifies a menu entry that should be selected by default, possibly after a timeout (see timeout).The entry may be identified by number (starting from 0 at each level of the hierarchy), by title, or by id

How to Configure the GRUB2 Boot Loader's Setting

The GRUB menu interface configuration file is /boot/grub/grub.conf. The commands to set the global preferences for the menu interface are placed at the top of the file, followed by stanzas for each operating kernel or operating system listed in the menu grub-reboot(8), grub-editenv(1) The full documentation for grub-set-default is maintained as a Texinfo manual. If the info and grub-set-default programs are properly installed at your site, the command info grub-set-default should give you access to the complete manual expect GRUB images under the directory DIR/grub instead of the /boot/grub directory. MENU_ENTRY is a number, a menu item title or a menu item identifier. REPORTING BUGS¶ Report bugs to <bug-grub@gnu.org>. SEE ALSO¶ grub-reboot(8), grub-editenv(1) The full documentation for grub-set-default is maintained as a Texinfo manual. If the info and.

grub2-set-default/grub-set-default 】コマンド――GRUB 2のデフォルト起動

  1. d with grub-editenv. Note, If set default=${saved_entry} is NOT set above, it ill still default to 0 not what grub-editenv list says. $ sudo grub-set-default Windows 7 (loader) (on /dev/sda2) $ grub-editenv list saved_entry=Windows 7 (loader) (on /dev/sda2) Or to a specific Ubuntu kernel versio
  2. Grub Customizer, a graphical (Gtk) interface to configure some GRUB 2 settings, can be used to change the default GRUB boot menu order without having to manually edit configuration files, like /etc/default/grub. To change the GRUB boot menu order using Grub Customizer, go to the List configuration tab, select a boot menu entry and use the up and down arrows to change its position
  3. It enables, for example, changing GRUB menu entries to specify what arguments to pass to a kernel on system start and changing the default kernel. In Red Hat Enterprise Linux 7, grubby defaults to working with the GRUB 2 configuration file, grub.cfg
  4. For this we use the grub-set-default command. grub-set-default [num] Where [num] is the number of a entry in /boot/grub/menu.lst or /boot/grub/grub.cfg . To set the first OS (Debian in example) as the default run grub-set-default 0. Usage. We can use the grub-reboot command to select the OS we want to boot only once. grub-reboot [num] Where.
  5. Grub is useful, but for some, the menu loads way too fast. To change that, look for GRUB_TIMEOUT=5. The default is five seconds. Change this number to anything that sounds like it would be more comfortable (like ten or fifteen, for example). Additionally, if the Grub timeout is way too slow, change it to three seconds for increased speed

linux - Set default kernel in GRUB - Unix & Linux Stack

default=1 Summary. GRUB allows you to specify which operating systems can be booted to when the computer first starts, but the default settings of many Linux distributions these days hide the GRUB menu and/or give you little time to make another choice. It is simple to change these settings as documented above # bootadm set-menu default=1 # bootadm list-menu The location of the boot loader configuration file is /rpool/boot/grub default 1 console graphics timeout 30 0 Oracle Solaris 11/11 1 Oracle Solaris 11.3 2 Oracle Solaris 11_test. In this example, the default menu entry is now 1. When the system is rebooted, it will automatically boot the new. #Create the default menu entry. find the ids of parent and child menu entries. For example, menu entry id for Advanced options for Ubuntu is gnulinux-advanced-4a67ec61-9cd5-4a26-b00f-9391a34c8a29. menu entry for Ubuntu, with Linux 4.4.-131-generic is gnulinux-4.4.-131-generic-recovery-4a67ec61-9cd5-4a26-b00f-9391a34c8a29. Concat those two strings wit

GRUB_DEFAULT: 0 Default menu entry selected on boot. The entry may be identified by number (starting from 0), title, or id. When using submenus, it is specified by menu>submenu, like 0>1, or other>minix>minix-3.4.0 (see documentation on grub default variable or this post on gentoo-forums). GRUB_TIMEOUT: 5 Delay before booting default menu entry The GRUB_DEFAULT setting allows Grub to use whatever value we save as the default kernel instead of hard-coding a default. The GRUB_SAVEDEFAULT tells Grub to set the default kernel to anything we explicitly select in a menu. The GRUB_DISABLE_SUBMENU option flattens the menu structure so that we can more easily parse it. Grub 2 does not include. To set Windows as default, the command needs the sequence number from the grub start menu, where grub starts counting from 0. On my Mint 18 KDE + Windows 10 dual-boot system, the Windows menu item is fifth in the list, so the correct command to set it as default would be sudo grub-set-default We will not see the menu of Ubuntu until its corresponding shortcut key or set to show the Grub2 menu. This article will guide you on how to display the Grub2 menu on Ubuntu, Linux Mint and other Linux operating systems. Show the Grub2 menu. Grub2 settings are in /etc/default/grub. We will open this file and edit the settings

# GRUB boot loader configuration GRUB_DEFAULT=0 GRUB_TIMEOUT=3 GRUB_DISTRIBUTOR=Arch GRUB_CMDLINE_LINUX_DEFAULT=quiet GRUB_CMDLINE_LINUX= # Preload both GPT and MBR modules so that they are not missed GRUB_PRELOAD_MODULES=part_gpt part_msdos # Uncomment to enable booting from LUKS encrypted devices #GRUB_ENABLE_CRYPTODISK=y # Uncomment to enable Hidden Menu, and optionally hide. If one folder does not exist then the other should. If you do not find the line then you should add it to the end of '/etc/default/grub'. Make sure the boolean setting is set to 'false'. If your image is not loading in the GRUB menu then there is one option which will prevent it from occurring

How to Repair Ubuntu Linux which failed due to computer

How to correctly set up the right GRUB 2 default menu entry

Edit /boot/grub/menu.lst You should see a line that starts with default In mine, it is default 0 Where the number 0 referes to the first entry in the list of kernel images. Numbering starts with zero, so if you want the default to be the second entry, put default 1 Use the arrow keys to select an option other than the default selection and press the [Enter] key to boot it. Alternatively, a timeout period is set, after which GRUB loads the default option. Press the [e] key to enter the entry editor interface or the [c] key to load a command line interface. Refer to Section 2.7 GRUB Menu Configuration File. Grub Boot Menu¶ Grub is the boot menu. If you have more than one operating system installed, it allows you to select which one to boot. Grub is also useful for troubleshooting. You can use it to modify the boot arguments or to boot from an older kernel The default value is /boot, resulting in grub images being search for at /boot/grub. MENU_ENTRY A number, a menu item title or a menu item identifier. SEE ALSO info grub Wed Feb 26 2014 GRUB-SET-DEFAULT(1

If you set this to 'saved', then the default menu entry will be that saved by 'GRUB_SAVEDEFAULT', grub-set-default, or grub-reboot. The default is '0'. 'GRUB_SAVEDEFAULT' If this option is set to 'true', then, when an entry is selected, save it as a new default entry for use by future runs of GRUB なお、起動メニューを生成するのではなく、既存の起動メニューからデフォルト値を指定したい場合は、「 grub2-set-default/grub-set-default」コマンド. Change GRUB Front and Menu Colors. Now we have placed our own image in GRUB. But it will still display the menu and its entries in the default color. The following are the 3 main GRUB color setting that you can change. menu_color_highlight => The color of the highlighted menu entry and its background within the menu bo Since grub2 reached version 1.98, setting the default boot entry through the grub environment is supported. From Linux, the grub-set-default command is available again, just as before with grub-legacy. Under Windows grub's code is used to edit the environment directly. Cross Platform. grub-choose-default is available both for Linux and. grub-set-default - set the saved default boot entry for GRUB SYNOPSIS grub-set-default [OPTION] entry DESCRIPTION =DIR expect GRUB images under the directory DIR/grub instead of the /boot/grub directory ENTRY is a number or a menu item title. REPORTING BUG

GRUB_DEFAULT. Sets the boot menu entry that is booted by default. Its value can be a numeric value, the complete name of a menu entry, or saved . GRUB_DEFAULT=2 boots the third (counted from zero) boot menu entry.. GRUB_DEFAULT=2>0 boots the first submenu entry of the third top-level menu entry. GRUB_DEFAULT=Example boot menu entry boots the menu entry with the title Example. This should make the Grub default and hence you can access both Ubuntu and Windows from it. 2. In the grub menu, if you can't find the Windows 10 boot, loader then select the advanced option (which is just below Ubuntu option in Grub menu) and press Enter and then run Ubuntu in recovery mode

This GRUB directive selects the default boot entry while booting. Value of GRUB_DEFAULT is the index of grub menu item to which you would like to boot to by default. It is usually set to zero. Note that the menu items are zero-indexed so zero means the first boot entry. So count starts from zero. If you want to set the default boot entry to 3rd. That default setting would normally be overridden by the 'set timeout_style=menu' settings in 30_os-prober or 40_custom (or both) depending on which of those scripts is/are active for the grub-mkconfig process

GNU GRUB Menu: Change the Default Boot OS ~ ConsciousVibes

To hide the list of bootable kernels, do not set GRUB_TIMEOUT to 0 in /etc/default/grub. With such setting, the system always boots immediately on the default menu entry, and if the default kernel fails to boot, it is not possible to boot an older kernel Updating the grub file directly using nano had no effect. It wasn't until I used grub2-set-default to select the menu item I wanted it to boot from did it work. share | improve this answer | follow | answered Dec 24 '15 at 0:19. the dave the dave. 75 1 1 silver badge 8 8 bronze badges GRUB_DEFAULT=0 - Beállítja az alapértelmezett menüpontot helyzet alapján. Ahogy a régi Grub-ban, az első menüpont a grub.cfg-ben a 0, második az 1, stb. GRUB_DEFAULT=saved - Az alapértemezett menüpont az lesz, ami legutoljára lett kiválasztva. Ha a menü megjelenik bootolás során, a legutoljára kiválasztott menüpont lesz kiemelve Now copy the menu item title you want grub 2 to use as the default, and use it in the command below. su -c 'grub2-set-default menu title item' or as an example. su -c 'grub2-set-default Fedora Linux, with Linux 3.1.6-1.fc16.x86_64' Now restart and it should boot to the menu option you chose

Well, this simply means everything should be the same, but the primary OS should be on top so that grub boots the top (selected by default) after some seconds. In his case, he was using Ubuntu as primary OS and Windows as a secondary OS.So now all we need to do is that we need to change the grub menu order and take the primary OS on top of. GRUB (v.1) Configuration. The GRUB configuration file is /boot/grub/menu.lst by default in Debian. You may see references to /etc/grub.conf used in other configurations.. It must contain at least these lines: default=0 timeout=30 # To boot the default kernel title Debian Linux root (hd0,1) kernel /boot/vmlinuz root=LABEL=/ initrd /boot/initrd.img Quick command overvie GRUB menu interface's configuration file is /boot/grub/grub.conf. The commands to set the global preferences for the menu interface are placed at the top of the file, followed by the different entries for each of the operating systems or kernels listed in the menu. A very basic GRUB menu configuration file designed to boot either Red Hat Linux. Set the default boot loader in Windows via its bcdedit command, as in bcdedit /set {bootmgr} path \EFI\gentoo\grubx64.efi. (I'm not sure that's the right path, since I don't use GRUB on Arch. Check the path and adjust it as necessary.

Grub Customizer 2

Video: How to Change Default GRUB2 Entries and Timeout on CentOS

make sure GRUB_TIMEOUT is set to something higher than 0, like GRUB_TIMEOUT=5 make sure GRUB_TIMEOUT_STYLE is set to menu , eg GRUB_TIMEOUT_STYLE=menu I can not edit this file - need special permissions, I tried copying the file into other location, editing it there, which worked, but I can not paste it into etc/default grub-install: installa grub su un disco; grub-set-default: Configurazione di GRUB attraverso il file menu.lst. Configurare GRUB significa in modo pratico definire le opzioni di funzionamento del suo menù e generare il codice corretto per ciascuna voce di menu al fine di avviare ogni sistema operativo installato

Knit Jones: January 2008

GrubHowto/ChangeDefaultOS - Community Help Wik

Sometimes, you will see /boot/grub/menu.lst, but this file, is simply a symbolic link to /boot/grub/grub.conf. Using the CentOS 6.5 distro, run the following command: save_envnext_entry setboot_once=true else set default=${saved_entry} fi Some of the following output is omitted for brevity. Following shows the last part of /boot/grub/grub. Note: This requires GRUB_DEFAULT=saved in /etc/default/grub (and then regenerating grub.cfg) or, in case of hand-made grub.cfg, the line set default=${saved_entry}. Play a tune You can play a tune through the PC-speaker while booting (right before the menu appears) by modifying the variable GRUB_INIT_TUNE Pour afficher ou non le menu Grub, on utilisera les paramètres GRUB_HIDDEN_TIMEOUT et GRUB_HIDDEN_TIMEOUT_QUIET du fichier /etc/default/grub. cas 1 Caché sans attendre le choix Remarque : avec GRUB_HIDDEN_TIMEOUT_QUIET=true, impossible de mettre en pause le démarrage en tapotant la touche Shift lors de l'affichage du menu If the file /etc/default/grub appears to be empty or does not exist, see the instructions for earlier releases above). In the editor window, use the arrow keys to move the cursor to the line beginning with GRUB_CMDLINE_LINUX_DEFAULT then edit that line, adding your parameter(s) to the text inside the double-quotes after the words quiet splash This instructs GRUB 2 to load the kernel specified by the saved_entry directive in the GRUB 2 environment file, located at /boot/grub2/grubenv. One can set another GRUB record to be the default, using the grub2-set-default command, which will update the GRUB 2 environment file

Knit Jones: October 2009

Grub2/Submenus - Community Help Wik

Example: sudo grub-set-default 3. Example: sudo grub-set-default Ubuntu, Linux 2.6.32-15-generic To obtain the existing menu entry choice number (starting from 0) or the menu entry string, run: grep menuentry /boot/grub/grub.cfg. grub-reboot This command sets the default boot entryfor the next boot only. The format of the command is the. Quote: 'GRUB_TIMEOUT' Boot the default entry this many seconds after the menu is displayed, unless a key is pressed. The default is '5'. Set to '0' to boot immediately without displaying the menu, or to '-1' to wait indefinitely sudo gedit /boot/grub/menu.lst. Find this section of the file: ## default num # Set the default entry to the entry number NUM. Numbering starts from 0, and # the entry number 0 is the default if the command is not used. # # You can specify 'saved' instead of a number expect GRUB images under the directory DIR/grub instead of the ,/boot/grub/ directory MENU_ENTRY is a number, a menu item title or a menu item identifier. REPORTING BUGS Report bugs to <bug-grub@gnu.org>. SEE ALSO grub-reboot(8), grub-editenv(1) The full documentation for grub-set-default is maintained as a Texinfo manual. If the info and grub.

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How to Set Password for Grub Menu - LinOxid

Its direct path is /boot/grub/grub.cfg and it has to be opened as root, so enter following into a terminal: sudo gedit /boot/grub/grub.cfg The important parts of the file is the line saying set default=0 and the blocks beginning with menuentry The main configuration file for grub2 is /boot/grub2/grub.cfg. If you want to make any configuration change on the grub menu , you need to use the utility called grub2-mkconfig . If you manually edit the grub.cfg using vi or vim, grub will be corrupted. grub2-mkconfig read the /etc/default/grub file and it displays on the terminal When you setup a dual-boot system, the OS choices are presented by the Linux GRUB menu and it is responsible for selecting the default OS and booting it up. With a little customization to the GRUB file, we can change the basics such as - which choice is selected by default and how long should the GRUB wait before automatically booting to the. Same as method 2, except set GRUB_DEFAULT=0>1 Method 4: Same as method 2, except I thought maybe all the references I found online are wrong about menu entries being zero-based and set: GRUB_DEFAULT=1>2 Method 5: Same as method 2, except set GRUB_DEFAULT=saved then on next boot choose the desired kernel manually, and after that reboot once. You should be able to issue the following to see all menu entries grubby --info=all to get a listing of your menu entries. Then you can set the default kernel with grub2-set-default 'entry-number or name' and this should be able to be done without needing to remake the grub config file, since it makes the changes to a file sourced by grub.cfg

How to set default boot kernel on Linux ( CentOS / RHEL 7

grub-render-label. Render Apple .disk_label for Apple Macs grub-script-check. Checks GRUB configuration script for syntax errors grub-set-default. Sets the default boot entry for GRUB grub-sparc64-setup. Is a helper program for grub-setup grub-syslinux2cf User account menu. 5. Help on how to set default linux kernel in Grub 2. SOLVED. Close. 5. Posted by 4 years ago. Archived. Help on how to set default linux kernel in Grub 2. SOLVED. I am running Linux Mint 17.3 on a Dell XPS 13 9350, and by default, my installation of mint came with the linux kernel version 3.19.-32-generic (through running. GRUB_DEFAULT= The default menu entry. This may be a number, in which case it identifies the N th entry in the generated menu counted from zero, or the title of a menu entry, or the special string saved. Using the title may be useful if you want to set a menu entry as the default even though there may be a variable number of entries before it. Set the default boot menu entry for GRUB, for the next boot only. -h, --help print this message and exit -v, --version print the version information and exit --boot-directory=DIR expect GRUB images under the directory DIR/grub instead of the /boot/grub directory MENU_ENTRY is a number, a menu item title or a menu item identifier. Please note. This tutorial shows how to hide / disable the Grub boot menu while booting up. You can do the job easily via Grub-Customizer (available in Ubuntu Software) under General Settings tab.However, you need to also disable look for other operating systems option. Any time you want to show the Grub menu, press ESC while booting up will NO longer show dual-boot (multi-boot) systems other than.

grub2-set-default command man page - grub2-tools-minima

The base functionality of Grub Customizer is to rename, reorder or delete the menu entries - but you can also configure settings like default entry, timeouts, backgrounds and much more The default is 5. Set to 0 to boot immediately without displaying the menu, or to -1 to wait indefinitely. GRUB_DISTRIBUTOR: Set by distributors of GRUB and is used to generate more informative menu entry titles. The example evaluates to CentOS Linux Server. GRUB_DEFAULT The default menu entry to boot. A value of 0 boots the first menuentry Then maybe by default your computer boots from other boot device - with other copy of grub maybe - and with broken grub menu? If it's not the case (please check it though), enabling grub graphical theme can help you (and make grub menu prettier too), as your first screenshot looks like some kind of graphical output glitch. If we have a graphical glitch, then repainting the menu in.

# Set default colors. color light-gray/blue black/light-gray # Change the colors. title OS-BS like color magenta/blue black/magenta device. Command: device drive file In the grub shell, specify the file file as the actual drive for a BIOS drive drive. You can use this command to create a disk image, and/or to fix the drives guessed by GRUB when. Linux grub2 change default kernel. GRUB 2 is a rewrite of GRUB. 1. The configuration file is grub.cfg rather than menu.lst or grub.conf. 2. grub.cfg is typically automatically generated by grub-mkconfig. 3. Partition numbers in GRUB device names now start at 1, not grub2-mkconfig -o /boot/grub2/grub.cfg Then set up the default menu entry that will be selected upon reboot. grub2-reboot FedoraNetInstall Reboot into your new GRUB menu. After reboot, you should see the typical web console that cloud providers usually offer in their management dashboard. If the boot is successful, you should find yourself. GRUB (GRand Unified Bootloader) is a multi-boot loader.It is derived from PUPA which was a research project to develop the replacement of what is now known as GRUB Legacy.The latter had become too difficult to maintain and GRUB was rewritten from scratch with the aim to provide modularity and portability .The current GRUB is also referred to as GRUB 2 while GRUB Legacy corresponds to versions. If GRUB_SAVEDEFAULT is set to true, then, when an entry is selected, save it as a new default entry for use by future runs of GRUB. So, maybe, you need be sure that GRUB_SAVEDEFAULT is not set to true. GRUB_SAVEDEFAULT is only useful if GRUB_DEFAULT is saved To set or modify the default boot manager, you first need to access the UEFI (BIOS) setup utility. On an HP 250 G5 laptop, that's easier if you first bring up the boot menu by pressing the ESC key (several times) as the unit boots up. The entries on that menu and the F-keys to press to access each, are: F1 System Information. F2 System.

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