On Sun, 26 Jul 2020 23:26:05 +0530
Sreyan Chakravarty <sreya...@gmail.com> wrote:

> Running the following command I get the output:
> 
> $ dnf list installed kernel-* | grep -i 5.7
> 
> kernel-core.x86_64 5.7.10-201.fc32
> kernel-devel.x86_64 5.7.10-201.fc32
> kernel-headers.x86_64 5.7.10-200.fc32
> kernel-modules.x86_64 5.7.10-201.fc32
> kernel-modules-extra.x86_64 5.7.10-201.fc32
> 
> How on earth do I now remove these ?
> 
> Could you just give me a sample DNF remove command for these ?
> 
> Thanks so much.

That is the problem with the dnf technique, it doesn't give the actual
package name, you have to put it together manually.

On my system I ran the following convoluted command in order to isolate
a single kernel.
rpm -qa | grep ^kernel | grep 5\.8 | grep rc5 | less

The results:
kernel-modules-5.8.0-0.rc5.20200717git07a56bb875af.1.20200719.fc31.x86_64
kernel-tools-libs-5.8.0-0.rc5.20200717git07a56bb875af.1.20200719.fc31.x86_64
kernel-modules-extra-5.8.0-0.rc5.20200717git07a56bb875af.1.20200719.fc31.x86_64
kernel-modules-internal-5.8.0-0.rc5.20200717git07a56bb875af.1.20200719.fc31.x86_64
kernel-devel-5.8.0-0.rc5.20200717git07a56bb875af.1.20200719.fc31.x86_64
kernel-tools-libs-devel-5.8.0-0.rc5.20200717git07a56bb875af.1.20200719.fc31.x86_64
kernel-headers-5.8.0-0.rc5.20200717git07a56bb875af.1.20200719.fc31.x86_64
kernel-core-5.8.0-0.rc5.20200717git07a56bb875af.1.20200719.fc31.x86_64
kernel-5.8.0-0.rc5.20200717git07a56bb875af.1.20200719.fc31.x86_64
kernel-tools-5.8.0-0.rc5.20200717git07a56bb875af.1.20200719.fc31.x86_64 

Notice that rpm returns the actual package name. So, I would just
create a command like
dnf remove \
kernel-core-5.8.0-0.rc5.20200717git07a56bb875af.1.20200719.fc31.x86_64 \
kernel-5.8.0-0.rc5.20200717git07a56bb875af.1.20200719.fc31.x86_64 \
etc. until all of them are listed.

In an actual shell instead of an email message, the backslash escape is
not needed, just a space between them.  Double click to select, paste
using middle mouse button, space, double click to select, paste using
middle mouse button, space, etc.
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