Dear OL7 maintainers!
"yum upgrade" on OL7 gives error for 2 days for me.
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--> Finished Dependency Resolution
Error: shim-x64 conflicts with kernel-container-3.10.0-0.0.0.2.el7.x86_64
You could try using --skip-broken to work around the problem
You could try running: rpm -Va --nofiles --nodigest
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Update:
Even Anaconda installer from boot DVD fails now during package installation.
Update 2:
It's all about EFI systems.