How do I change the default entry in grub?

How do I change the default entry in grub?

Just follow these steps.

  1. Open file system.
  2. Open /etc folder.
  3. Open default folder.
  4. Find grub file and open it with leafpad (or any other text editor).
  5. Set GRUB_TIMEOUT to your need and save it.
  6. Now open terminal and type update-grub .
  7. Reboot your system.

How do I set grub2 as default?

How to change the default kernel in GRUB for RHEL and CentOS

  1. Step 1: Get installed kernel versions.
  2. Step 2: Use grub2-set-default command.
  3. Step 3: Check grubenv file.
  4. Step 4: Rebuild Grub.cfg file.
  5. Step 5: Restart Server.

How do I create a custom grub entry?

Note

  1. On BIOS-based machines, copy the contents of /boot/grub2/grub.
  2. From the content put into the /etc/grub.
  3. Remove all files from the /etc/grub.
  4. Edit, add, or remove menu entries in the 40_custom file as desired.
  5. Rebuild the grub.cfg file by running the grub2-mkconfig -o command as follows:

How do I change my boot OS order?

Steps on How to Change System Boot Order

  1. Step 1: Enter your Computer’s BIOS set up utility.
  2. Step 2: Navigate to the boot order menu in BIOS.
  3. Step 3: Change the Boot Order.
  4. Step 4: Save your Changes.

How do I change the default kernel in rhel7?

You can also refer to it by the /etc/grub2. cfg file which is a symbolic link. 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.

How do I edit GRUB config?

To edit grub, make your changes to /etc/default/grub . Then run sudo update-grub . The update-grub will make the permanent changes to your grub. cfg file.

How do I change the default OS in dual boot Windows 10 and Ubuntu?

To use it, first, open the “Start” menu and search for “System Configuration”. Then click the tool in the search results. On the “System Configuration” window, at the top, click the “Boot” tab. In the “Boot” tab, from the large white box at the top, select the OS that you want to make the default.

How do I change GRUB boot order in Windows?

Step 1: Open up a terminal window (CTRL+ALT+T). Step 2: Find the Windows entry number in the boot loader. In the screenshot below, you’ll see that “Windows 7…” is the fifth entry, but since entries start at 0, the actual entry number is 4. Change the GRUB_DEFAULT from 0 to 4, then save the file.

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