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rhel8 optional improvements
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| remove sub mgr repo | |
| ## subscription-manager repos --disable codeready-builder-for-rhel-8-x86_64-rpms | |
| enabled elrepo for ml kernel updates | |
| ## yum --enablerepo=elrepo-kernel install kernel-ml | |
| grubby disables selinux if needed // prob not as big a deal any longer | |
| ## grubby --update-kernel=ALL --args="selinux=0" | |
| grubby for rhel79 adds some kernel params | |
| ## grubby --update-kernel=ALL --args='cgroup_enable=memory cgroup.memory=nokmem' |
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