Sandra Henry-Stocker

Unix tip: Inter-host trust on Unix, part 1

Sandra Henry-Stocker — Wed, 07 Jan 2009 12:35:43 -0500

Inter-host trust can be a boon to user productivity and a nightmare to sysadmins. Here's how it works using rsh (remote shell) configuration files. Next week, we'll look at ssh.

Unix tip: 7-Zip to the rescue

Sandra Henry-Stocker — Tue, 30 Dec 2008 15:55:54 -0500

Need to build or extract files from archives in a wide range of formats? Ever heard of 7-Zip? Now that I've used it, it goes into my standard tool set!

Unix tip: Monitoring networks with Nagios

Sandra Henry-Stocker — Tue, 23 Dec 2008 20:04:56 -0500

Nagios is a free, open source too for monitoring small to large, complex networks. It can be very easy or very complex to configure, but it provides for sophisticated, proactive monitoring and there's a great book to help you get it working just the way you want.

Unix tip: Useful Unix aliases

Sandra Henry-Stocker — Wed, 17 Dec 2008 13:46:42 -0500

Unix aliases provide an easy way to customize your working environment. Let's look at some especially useful aliases that you might like.

Bristle.com - High on content, low on frills

Sandra Henry-Stocker — Mon, 08 Dec 2008 19:27:26 -0500

Need to learn Unix or Ajax, do a price comparison or figure out the meaning of an unfamiliar acronym? Let Fred Bristle give you suggestions on where to begin your search.

Unix tip: Monitor disk arrays with sccli commands

Sandra Henry-Stocker — Thu, 04 Dec 2008 10:13:28 -0500

Disk arrays take a lot of worry about disk failure off your shoulders, but that's no reason not to notice when one goes bad. The sccli command can tell you a lot about what's happening with your StorEdge arrays. Let it warn you about disks gone bad.

Linux command: Side by side diff

Sandra Henry-Stocker — Wed, 26 Nov 2008 12:46:27 -0500

Tired of looking at strings of "28,30d27" characters separating the differences between files you're comparing? Try a side by side diff listing that works the way your brain does.

Unix commands: The best tool for the job

Sandra Henry-Stocker — Wed, 19 Nov 2008 12:50:25 -0500

With Unix, there are always many ways to do a single thing, but sometimes one approach is just a lot better! Let's look at a couple examples of commands that are right for the job.

Greening the Data Center

Sandra Henry-Stocker — Wed, 12 Nov 2008 15:20:48 -0500

Think you're the only one having problems keeping your data center cool and powered up? Think again. At least the Green Grid (an international non-profit organization with a mandate to increase energy efficiency in the IT sector) is coming up with answers and I got to go to a trade show!

Discovering PHP

Sandra Henry-Stocker — Wed, 05 Nov 2008 14:04:29 -0500

It's no wonder that many content management systems are written in PHP. With enough practice, you could probably write one yourself. Check out this tutorial and cookbook for a head start on learning this extremely versatile language.