On Wed, Apr 08, 2009 at 11:06:24PM +0300, Nikos Chantziaras wrote: > Momesso Andrea wrote: >> I'm not a professional admin, but I run a web server that was supposed >> to be a small system for a couple of users (my wife and her students), >> and now became something bigger with some amount of traffic, and some >> people rely on it for critical data. >> Since the scope of the site changed I'd like to add some extra security. >> As now all I have are dayly snapshot backup of the server hard disk on >> an external disk and weekly I move one of those snapshot on a disk that >> I store off site and is used only for this scope. >> In the same lan I also run another machine that I use as a home server >> for personal purpose. >> I'd like to keep a mirror of all the webapps running on the main server >> in this machine for two puroposes: >> 1) Have a backup working site, so that if something goes wrong, in the >> time I reinstall from backup, fix hardware or wathever, I can redirect >> the traffic on the salve machine (possibly in read only mode). > > Put them both behind a NAT. When one goes down, you NAT the port to the > other machine. >
Ok, nice suggestion. >> 2) Keeping a copy of the working site on a virtual host in the other >> machine allows the admin (my wife) to test new stuff, change things, add >> modules, without putting in danger the main site. > > rsync the main machine to the second machine. You can rsync specific > folders. If your website is in /var/www of the first machine, you can > rsync that to the /var/www of the second for example. > >> What I ask is some advice on best practice to achieve the needed result; >> I suppose that all I need is to rsync the webserver directory in a >> virtual server on the slave machine and to dump the databases, but I'm >> not sure this will be enough. > > rsync does the mirroring, NAT does the redirection of traffic. Those are > the tools used by most to achieve what you described. > Ok, but what about databases? Joomla has his own and mediawiki too... Just dump it and copy it? Will it work? --- TopperH http://topperh.blogspot.com
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