Computer questionsCategory: System AdministrationWhy man -k keyword returns keyword:nothing appropriate message in Linux?
Anonymous asked 2 years ago
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bitpsychobyte Staff answered 2 years ago

In linux, on CentOS, Red Hat, Debian, Ubuntu and a few more distros, if you’ve just installed the operating system and you are trying to run man -k keyword, you might get an error saying something like ” keyword: nothing appropriate ”
You will have to use “mandb” command from root account, which will create or update (depending on the case) the manual page index caches.
As soon as the update finishes and the old entries are purged, the man -k keyword command should work.

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