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From Mark Montague <>
Subject Re: [users@httpd] simple easy way to turn to maintenance mode
Date Mon, 28 May 2012 16:43:58 GMT
On May 27, 2012 7:42 , Miguel Gonzalez <> wrote:
>     I'm administering Apache and Tomcat web servers. From time to time we have to turn
the web server down and would be nice to have a maintenance mode message to the users.

Why do you have to do maintenance?

If you need to update the web server kernel, libraries, and so on, then 
you should have another physical web server at which you can point your 
load balancer (or DNS).  This can be a very small, simple server that 
just serves a single static page.  Alternatively, your load balancer may 
be able to do this itself already without the need for another physical 

If what you are doing maintenance on is actually a web application and 
it's database, then you may be able to keep Apache HTTP Server running 
to provide the maintenance mode message.  The easiest way to do this is 
with login in the web application itself.  However, you could also have 
a second set of Apache HTTP Server configuration files that cause httpd 
to do nothing but serve the static maintenance message for all URLs 
under your web virtual hosts -- when you begin maintenance, stop httpd 
and start it up again using the new configuration files, and when you 
end maintenance stop httpd and start it using your regular configuration 

   Mark Montague

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