Tag Archive
What separates the great programmers from the merely good programmers?
I started thinking about the qualities that separate great programmers from merely good programmers. Read on to learn my views.
Testing network connectivity – alternatives to ping
Your application is reporting problems reaching the back end database server at 172.16.1.116 or maybe you are about to set up a new application and you want to make sure it can reach the back end database server. The first tool that comes to mind is ping but many hosts will no longer respond to [...]
Why you should rebuild and retest with each new release of the OS
In the 1971 movie “Dirty Harry”, Clint Eastwood plays a tough, street-smart cop. In the opening scene, he coolly stops a bank robbery by gunning down the bank robbers with his enormous, long-barreled, Smith and Wesson .44 Magnum handgun. Shots ring out and only one robber is left, wounded. Harry walks over to him and [...]
Is Your Pre-production Testing Effective?
I wrote the following remarks about conducting effective pre-production testing for my “VOS Corner” column in the Stratus User Group newsletter for December, 1996. They are still relevant today, almost 13 years later. If I could make one suggestion to our customers (just one request!), it would be to be sure that you conduct a stress test [...]
Test Monday (or: Are Your Network Connections Really Fault Tolerant?)
Starting in release 13.2 VOS has offered the ability to configure a fault tolerant IP interface by configuring active/standby Ethernet adapters. The active adapter is given one Ethernet MAC address and the standby is given another. If the active adapter fails the standby is reset to use the active MAC address and becomes the active [...]
