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Oracle Linux: After Leapp Upgrade from OL7 to OL8 the Running Kernel is UEK6
Applies to:
Oracle Cloud Infrastructure - Version N/A and later
Oracle Linux 8
Symptoms
After a successful upgrade from Oracle Linux 7 to Oracle Linux 8 the runtime kernel remains in UEK6
e.g.
# uname -r 5.4.17-2136.346.6.el8uek.x86_64
Cause
This is to be expected. The original OL7 system was running kernel UEK6, so the upgraded OL8 system uses the same kernel family by default.
Solution
Apply the recommended steps to change UEK kernel family versions in Oracle Linux.
1) Disable the ol8_UEKR6 repository:
$ sudo dnf config-manager --enable ol8_UEKR7
2) Enable the ol8_UEKR7 repository:
$ sudo dnf config-manager --disable ol8_UEKR6
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