Re: [PLUG] Bash History question

[JP Vossen <jp@jpsdomain.org>]

JP Vossen wrote:
> > Date: Thu, 13 Sep 2007 19:34:02 -0400
> > From: "Mag Gam" <magawake@gmail.com>
> > Subject: Re: [PLUG] Bash History question
> >
> > Also, currently users $HOME are synced with NFS, woulld JP's Automatic
> > method work? Ie. If a user types in a command in server1, will that be
> > registed in history for server2?
>
> I don't see why not.  ~/.bash_history is just a file, and 'history 
> -a/-n' write/read that file.  So if it's the same file over an NFS 
> share, that should work.
>
> Except...  Something I had not considered before--I don't know if there 
> is any kind of locking going on here.  So a $PROMPT_COMMAND or NFS share 
> might result in .bash_history file corruption due to collisions.  I 
> guess if you are doing the manual thing over NFS you'd be OK unless you 
> have a lot of latency someplace and try to do it too fast.
>
> I'll see if I can find out.

Chet says, "There's no file locking.  The burden is on the user to 
synchronize."

Later,
JP
----------------------------|:::======|-------------------------------
JP Vossen, CISSP            |:::======|        jp{at}jpsdomain{dot}org
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