1

How can I uninstall a kernel which is now being used by my laptop.

I have two kernel installed in my manjaro linux laptop

  1. 4.16*
  2. 4.14*

When I boot into my system 4.16 always runs by default. To run with 4.14 i goto advanced options and then select 4.14. I want to get rid of 4.16 I like 4.14. Can I remove 4.16 while it is running, and do the update-grub. Or if their is alternative way I'll prefer that alternative way linux linux-kernel kernel boot archlinux

0

From the advanced option of Grub menu you should boot the 4.14 kernel then remove the 4.16 version.

To prevent the kernel from being upgraded , edit your /etc/pacman.conf , add the following line:

IgnorePkg = linux

Then update grub.

0

In order to prevent misunderstandings, you should never try to remove a kernel while it is running.

You can always check which kernel is running by using the following command in the terminal:

mhwd-kernel -li

The output may look as follows:

4.14.74-1-MANJARO (linux414)
The following kernels are installed in your system:
* linux414
* linux416

In the above example, the system is running kernel version 4.14.74-1; 4.16 is available but not being used. In order to get rid of 4.16, the command should be

sudo mhwd-kernel -r linux416

See Removing Kernels in the Manjaro Wiki.

I am running kernel 4.14.74-1 on my own system, and even though the Manjaro Settings Manager tells me that newer kernel versions are available (e.g. 4.16.18_rt12-1, 4.17.19-1 and 4.18.12-1), these don't get installed unless I push the Install button. I never changed /etc/pacman.conf to achieve this, since the part quoted in GAD3R's answer reads (on my system):

 # Pacman won't upgrade packages listed in IgnorePkg and members of IgnoreGroup
 #IgnorePkg   =
 #IgnoreGroup =

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