Saturday, August 7, 2010
A pleasant surprise: partimage and gparted to the rescue
The new Dell laptop here at home took a dive this week. Completely unresponsive to the power button, except for a very low volume whir from the cooling fan. After running the gauntlet of Dell’s support phone tree (as usual the automated system erroneously identified the our hardware as out of warranty when it still has another 9 months to go), we got hooked up with a very nice tech who quickly determined that we needed a full replacement. “Equivalent or better”, or words to that effect.
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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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Wednesday, August 4, 2010
Managing replication agreements in DSEE 7
This is another (see my original DSEE 7 Cheat Sheet) short article on getting things done with Oracle’s Directory Server Enterprise Edition (a/k/a Sun DSEE) version 7. In this post I provide some common commands for managing replication agreements with the product.
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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 20, 2010
rkhunter
Some basic configurations for rkhunter, a root kit detector tool that I’ve found useful.
I installed the EPEL package for CentOS (RHEL) 5, currently rkhunter-1.3.6-7.el5.noarch.rpm.
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