How do I clean up grub menu?

Clean up your grub menu from the kernels you do not use

  1. Determine which Kernel you are using. Just run: uname -r. and write down the result, in my case this was my output: $ uname -r 2.6.22-14-generic.
  2. Look for all installed kernel images. Go to /boot/ and list its contents. cd /boot ls vmlinuz*
  3. Remove the kernels you want.

How do I delete old GRUB entries?

7 Answers

  1. Open up a terminal ( Ctrl + Alt + T ).
  2. Type uname -r .
  3. Run the following command: dpkg –list | grep linux-image .
  4. Note down the names of all the kernels which you want to remove.
  5. To remove the kernels, run: sudo apt-get purge linux-image-x.x.x.x-xyz (replace the kernel name with an appropriate one).

How do I remove old kernel versions to clean up the boot menu?

search for linux-image, right-click a kernel and choose complete removal and finally click the Apply button to delete the kernel. Repeat the search but this time for linux-header – you can delete the associated headers for the kernel image chosen previously.

How do I remove grub2 from startup?

Uninstalling GRUB 2

  1. Open a terminal: Applications, Accessories, Terminal.
  2. Optional: Make backup copies of the main GRUB 2 directories and files. sudo cp /etc/default/grub /etc/default/grub.old.
  3. Remove GRUB 2. sudo apt-get purge grub-pc.
  4. Install GRUB 0.97.
  5. With grub installed, the user must still create the menu.
  6. Reboot.

How do I remove old kernels from grub2 Fedora?

2. Delete / Remove Old Kernels

  1. 2.1 Delete / Remove Old Kernels on Fedora. ## dnf repoquery set negative –latest-limit ## ## as how many old kernels you want keep ## dnf remove $(dnf repoquery –installonly –latest-limit=-2 -q)
  2. 2.2 Delete / Remove Old Kernels on CentOS / Red Hat (RHEL)

How can I edit GRUB bootloader and remove unwanted entries?

Step 2: Scan through the list to locate the Grub entry you’re looking to get rid of. When you’ve found it, right-click on it to open up the right-click menu. Step 3: Look through the right-click menu for the “Remove” button to instantly delete the menu entry from your Grub bootloader list.

How do I remove old Ubuntu and install new Ubuntu?

Ubuntu 18.04 remove kernel that is not used

  1. First, boot into a new kernel.
  2. List all other older kernel using the dpkg command.
  3. Note down system disk space usage by running the df -H command.
  4. Delete all unused old kernels, run: sudo apt –purge autoremove.
  5. Verify it by running the df -H.

What does uname mean in Linux?

unix name
uname (short for unix name) is a computer program in Unix and Unix-like computer operating systems that prints the name, version and other details about the current machine and the operating system running on it.

Can I remove Ubuntu from dual boot?

Just boot into Windows and head to Control Panel > Programs and Features. Find Ubuntu in the list of installed programs, and then uninstall it like you would any other program. The uninstaller automatically removes the Ubuntu files and boot loader entry from your computer.

How do I clean up the GRUB2 boot menu?

The most common clean up task for the boot menu is to remove old kernel versions lying around on your machine. In our case we want to remove the 2.6.32-21-generic boot menu entries. In the past, this meant opening up /boot/grub/menu.lst…but with Grub2, if we remove the kernel package from our computer, Grub automatically removes those options.

What is the new version of Grub in Ubuntu?

Ubuntu adopted the new version of the Grub boot manager in version 9.10, getting rid of the old problematic menu.lst. Today we look at how to change the boot menu options in Grub2. Grub2 is a step forward in a lot of ways, and most of the annoying menu .lst issues from the past are gone.

Why is my GRUB2 boot list so long?

Grub2 is a step forward in a lot of ways, and most of the annoying menu .lst issues from the past are gone. Still, if you’re not vigilant with removing old versions of the kernel, the boot list can still end up being longer than it needs to be. Note: You may have to hold the SHIFT button on your keyboard while booting up to get this menu to show.

How do I remove a kernel version from the GRUB menu?

The next time you boot up your computer, the Grub menu will not contain the entries associated with the removed kernel version. Remove Any Option by Editing /etc/grub.d. If you need more fine-grained control, or want to remove entries that are not kernel versions, you must change the files located in /etc/grub.d.