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Choose boot Kernel

Proxmox comes with a built-in tool called proxmox-boot-tool. We can list the available kernels on the system and choose the best kernel and set it to always boot from this kernel.

 

List and choose boot Kernel

proxmox-boot-tool kernel list

Example output:

Manually selected kernels:
6.2.16-4-pve

Automatically selected kernels:
5.15.108-1-pve

Pinned kernel:
5.15.108-1-pveScreenshot from 2023-08-12 08-53-11.png

Now that we know which kernel we want we must run the following command and reboot.

proxmox-boot-tool kernel pin 5.15.108-1-pve

This will pin the kernel we want to use. We may need to unpin a kernel we don't want. The following command can be used to remove a kernel from the pinned list

proxmox-boot-tool kernel unpin 5.15.108-1-pve

 

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