January 2016
Intermediate to advanced
146 pages
3h 8m
English
Content preview from CentOS High Performance
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Testing the DRBD resource along with Apache
As a simple test, we will display the information about the PHP installation. Create a file named info.php inside /var/www/html on node01 with the following contents:
<?php phpinfo(); ?>
Now, point your browser to 192.168.0.4/info.php and verify that the output is similar to the one shown here:
Then, stop the cluster (pcs cluster stop) on node01 or put it into the standby mode (pcs cluster standby node01) and refresh the browser. The only thing that should change on the output is the system name, as shown in the following screenshot, since the phinfo() PHP function returns the local hostname along with the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.