Tutorial

Hacking Lab Demonstration

Saturday, August 3, 2019

A complete demo of setting up a pentest lab and configuring a network range for exploiting machines

Resizing and Watermarking Images

Wednesday, August 28, 2019

My process for downsizing and watermarking images for this website.

Fixing Image Rotation Problems

Thursday, July 11, 2019

Have you encountered issues where an image you shared, uploaded, or synced ended up with the wrong orientation? Short solution: install jhead and run the command below on the image in question. $ jhead -autorot image.jpg Explanation The reason why an image could be oriented one way, then oriented in another when uploaded, viewed, shared, etc. has to do with EXIF metadata stored in the image. This orientation flag has one of eight values: 0 degrees, 90 degrees, 180 degrees, and 270 degrees, as well as mirror flip counterparts.…