Where would a chapter on diagnostics be without some general-purpose troubleshooting tips? A great troubleshooter can often solve complex issues even if it is a new technology to them, simply from mastering troubleshooting skills. Excellent troubleshooting can take years to master, but here are some tips that can be used in almost any situation. This method of troubleshooting takes four steps, which you can memorize by using the acronym RIFT (“reproduce, isolate, fix, and test”).
Reproduce, reproduce, reproduce!
Before making any changes, be sure to reproduce the issue. Without properly seeing the issue for yourself, you will be “troubleshooting by mistake,” which is a poor practice. When you see in advance exactly what the issue is, you are able to confirm that your fix did, indeed, resolve the issue. Too often programmers and system administrators receive a report ...