9/26/2023 0 Comments Linux mint boot different kernel![]() ![]() Next, if you are running a Debian or Ubuntu Droplet, there is a DigitalOcean-specific Grub file in /etc/default/grub.d named 50-cloudimg-settings.cfg. Save and close the file when you are finished. There should only be one occurrence of each setting in the file. Grub 2 does not include a utility to display its menu on the command line, so you must manually parse the configuration. The GRUB_DISABLE_SUBMENU option flattens the menu structure so that we can more easily parse it. The GRUB_SAVEDEFAULT tells Grub to set the default kernel to anything we explicitly select in a menu. The GRUB_DEFAULT setting allows Grub to use whatever value we save as the default kernel instead of hard-coding a default. If the settings are not present in your version of the file, add them. In /etc/default/grub, find and modify the following settings that determine how Grub chooses the default kernel. For Grub 2 Droplets using Native Internal Kernel Management The appropriate procedure for Grub 2 depends on whether your Droplet uses internal kernels natively or via the DigitalOcean GrubLoader kernel. Your Droplet boots into the remaining kernel. # repeat for all kernels you want to remove sudo reboot Search the apt repositories for available kernels. Once your Droplet is using internal kernel management, you can find and install the kernal package you want to switch to. If your Droplet is using legacy kernel management, you can switch to the DigitalOcean GrubLoader kernel to support internal kernels. To revert, simply select ‘Original Kernel’ and follow the same process. Then power off the server from the command line and boot it from the control panel and the new kernel will be active. If you see a Select a Kernel menu with a Change button and the following description instead, your Droplet is using legacy external kernel management: Instead, you can upgrade the kernel from within the Droplet. The kernel for this Droplet is not managed within the control panel. If the kernel management page has the following message, your Droplet is set to use internal kernels natively: If you’re not sure whether your Droplet manages its kernels internally, visit its detail page in the control panel and click Kernel in the navigation. Verify the Droplet’s Kernel Management Methodīefore you can modify your Droplet’s kernel, you need to verify that your Droplet is using internally-managed kernels.Īll Droplets created after March 2017 use internal kernels by default, and older Droplets can be configured to support internal kernels with the DigitalOcean GrubLoader kernel. Set which kernel the bootloader loads by default.Find and install the kernel version you want.Verify that your Droplet uses internal kernel management. ![]() If you want to use a different kernel version, you’ll need to: Each Droplet you create is a new server you can use, either standalone or as part of a larger, cloud-based infrastructure.īy default, your Droplet boots into the highest-versioned kernel. DigitalOcean Droplets are Linux-based virtual machines (VMs) that run on top of virtualized hardware. ![]()
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