Re: synchronising failover web servers

From: Aristedes Maniatis (ari_at_ish.com.au)
Date: 04/13/04

  • Next message: Cody Baker: "Re: mail server recommendations?" 
    Date: Tue, 13 Apr 2004 08:57:44 +1000
To: Scott Lambert <lambert@lambertfam.org>

    So, say you have to update /usr/local/etc/httpd.conf. Would your
    process be this:

    * checkout cvs onto your workstation
    * change httpd.conf
    * check into cvs
    * log into server
    * update cvs repository
    * run Makefile script which installs httpd.conf in the correct location
    from the cvs repository and then executes 'apachectrl graceful'.
    * repeat on secondary standby machine by running a Makefile which uses
    ssh to trigger a remote Makefile

    I've never really liked Makefiles, but I guess we could do something
    very similar with shell scripts.

    Thanks for the info. But what do you do about synchronising data
    directories (eg. /usr/local/etc/www/data). In those cases you very
    often can't put them into cvs. Do you use Unison or something similar?

    Cheers
    Ari Maniatis

    On 11/04/2004, at 3:09 AM, Scott Lambert wrote:

    > One word "Makefiles". :-) I have a lot of system configs in cvs.
    > Eventually I'll have all of them. Each subsystem config has it's
    > own directory and I have Makefiles setup to work the subdirs where
    > necessary. We check the configs out in our home directories on each
    > machine and run :
    >
    > $ make update install [test] [restart]

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