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Totally agree, DNS and Bind and Essential System Administration alone are completely worth it if you're at all interested in (using) Unix-like systems. As for
by simondedalus 10y ago
Totally agree, DNS and Bind and Essential System Administration alone are completely worth it if you're at all interested in (using) Unix-like systems.
As for being dated, I think simply reading (and understanding) Essential System Administration and then spending an afternoon looking at grub and systemd could get you pretty far in the RHEL certification cycle.