Transaction check error:
file /boot/efi/EFI/centos from install of fwupdate-efi-12-5.el7.centos.x86_64 conflicts with file from package grub2-common-1:2.02-0.65 .el7.centos.2.noarch
Error Summary
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Solution:
1. Try to update “grub2” & “firewalld” packages.
2. Install GUI packages using the following command which had thrown transaction error before.
You could apply the same logic for any of the conflict errors in YUM. Upgrade the installed package and try to install new packages to overcome this issue.
3. If the above-mentioned method didn’t work, try to update the complete system using yum update and try again.
Hope this article helpful to you.