An IT infrastructure perspective on optimizing business applications
In the previous post, we discussed the current state of many existing Oracle environments. Now we need a method to accurately measure or define the workload characteristics of a given database platform. In our customer engagements we frequently ask details…
If you are a frequent user of Oracle SQL*Plus, you probably also know about a tool called rlwrap. Bare SQL*Plus does not offer command history, arrow-key editing or any type of word completion so it feels like you’re thrown back…
It’s almost a year since I blogged about qdda (the Quick & Dirty Dedupe Analyzer). qdda is a tool that lets you scan any Linux disk or file (or multiple disks) and predicts potential thin, dedupe and compression savings if…
As announced in my last blogpost, qdda is a tool that analyzes potential storage savings by scanning data and giving a deduplication, compression and thin provisioning estimate. The results are an indication whether a modern All-Flash Array (AFA) like Dell…
This article describes how to set up a very lightweight VNC service under CentOS/Red Hat. Intro In Red Hat Enterprise Linux (and derivates, I use CentOS) you can run a VNC service to allow graphical connections to a linux system.…