Re: the frustration of this kind of advice, was about user agent headers

..and as it turns out the administrator was trying, and failing, to 
upgrade lynx to a later edition.
In an effort to restore things, we now have an older edition of lynx then 
was working just fine before the upgrade effort.
Karen



On Thu, 2 Dec 2021, Bela Lubkin wrote:

> If you log in and out daily then this wouldn't have helped.
>
> The only situation in which 'rehash' would have helped is if some admin
> moved where the lynx executable was, while you were currently logged in.
> When the shell successfully runs a program, it keeps a note about where
> it found it; if the program is moved then that note is invalid.
> 'rehash' tells it to throw out the current set of notes.
>
> The notes are only kept during a single login (actually: single run of
> the shell).  If someone moved the program and 'rehash' was going to fix
> it, logging out & back in would equally have fixed it.
>
> I've been logged into this shell since June 14th (kept in background
> with GNU `screen`, so despite disconnecting many times and even having
> had my desktop reboot once due to a power failure, my active shell is
> still lumping along).  So I might actually have need to rehash once in a
> while, though it's unlikely to surprise me since I'm the admin... :)
>
>> Bela<
>
>