Thursday, August 5, 2010

When to fix the time in an Oracle AS infrastructure

If time ever gets out of sync on an Oracle AS infrastructure cluster, that’s a severe enough situation that you should feel comfortable just going ahead and making the fix one server at a time.
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Saturday, July 31, 2010

Putting the DNS-321 to work as a home server

A short time ago I wrote about my purchase of a D-Link DNS-321 NAS device.

This article will describe how I set the device up as a home server to provide a number of common network services.
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Friday, July 23, 2010

tripwire configuration and operation

Think of this as a quick setup guide to tripwire on CentOS (or RHEL). My platform, as usual, is CentOS 5.5. The version of tripwire installed is open source 2.4.1.1-1.el5 available from EPEL.

My main sources of information were the tripwire man pages and a blog post entitled Install Tripwire on Fedora 11 (the EPEL package is a port of the Fedora package for RHEL). The especially useful twpol.txt filtering script came from the blog post.
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Tuesday, July 13, 2010

Server Side Includes on RHEL 5 Apache 2.2

The Apache Group’s own Apache Tutorial: Introduction to Server Side Includes is the best starting point for this. There’s a brief mention in the RHEL 4 Reference Guide, but it’s barely worth skimming, except for its pointing out that the “Options +Includes” or “Options +IncludesNoExec” directive needs to be enclosed in a <Directory> container (or an .htaccess file) to be effective. That last is something assumed by the Apache doc (we all know that Options directives have to be within a <Directory> container, don’t we?), but not spelled out.
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Monday, July 5, 2010

D-Link DNS-321

Just got my very own D-Link DNS-321 a couple of days ago. Spent the holiday weekend hacking it.

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