Archive for July, 2006

Managing Solaris patches with pca

I have written repeatedly about the problems with the Solaris patch tools, and decided to test out the pca utility after Chris and Frank recommended it so highly. Pca is not only an awesome patching tool, but it blows away everything that is currently offered by Sun (pca has yet to throw Java exceptions and […]

Useful DTrace links

I came across a couple of super useful DTrace links, and thought I would pass them on: Brendan Gregg’s DTrace presentation in London: http://www.context-switch.com/performance/dtrace_workshop01_slides.pdf Opensolaris student guide (the chapter on using DTrace to debug device drivers is awesome): http://opensolaris.org/os/community/documentation/files/studentguide.pdf

Addicted to the Sopranos

The Sopranos t.v. series has been on the air since 1999, but I have never watched enough television to justifiy the cost of permium programming. On the recommendation of a friend, I decided to get the first season of the Sopranos from Netflix. I finished up season 2 last night, and am hoping to start […]

Building Perl modules for Solaris

This week I needed to install a few Perl modules on a Solaris 10 host. I didn’t want to download and install a fourth perl interpreter (Solaris 10 comes with 5.6.1, 5.8.3 and 5.8.4 for some reason), since Solaris 10 comes with a relatively recent version of Perl (5.8.4). To build the module in question […]

Apache mod_rewrite security flaw

It looks like a nasty security bug was discovered in the Apache mod_rewrite module, and new versions of Apache were released to address the problem. For those folks using mod_rewrite, it’s time to patch.

Tuning Apache for performance

I recently came across Colm MacCarthaigh’s Apache tuning presentation and technical white paper: Tuning Apache and Linux for performance presentation: http://www.stdlib.net/~colmmacc/Apachecon-EU2005/scaling-apache-presentation.pdf Tuning Apache and Linux for performance paper: http://www.stdlib.net/~colmmacc/Apachecon-EU2005/scaling-apache-handout.pdf Colm is an admin at heanet, which runs some of the busiest web servers in the world. The presentation and white paper cover the entire software […]

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