recoverjpeg is a tool, that identify JPEG pictures on a file system, such as a file system on a SD memory card, that is used in digital cameras.
In the following example, an Ubuntu operating system, recoverjpeg and a card reader is used to recover pictures on a SD memory card.
sudo recoverjpeg /dev/sdb
The recovered pictures are [...]

If unexpected packets arrive at the wrong interface, then the FreeBSD operating system will fill the system log with messages like the following. These messages will also fill the security output and kernel log messages.
arp: 192.168.1.1 is on lo0 but got reply from 00:19:cb:f9:12:34 on xl0
arp: 192.168.1.1 is on lo0 but got reply from 00:19:cb:f9:12:34 [...]

In this article, we will test the OpenShot Video Editor, that is available in the Ubuntu Software Center in the Ubuntu 11.04 operating system. The purpose of the test is to prepare video from a Sony Handycam DCR-SX30 video camera for the YouTube video website.
The Sony Handycam DCR-SX30 is a digital video recorder (DVR), that [...]

In the Ubuntu 11.04 operating system, enhanced desktop effects can be achieved with a composite window manager.
Compiz is a compositing manager, which means, that it enhances the overall user interaction by adding fancy effects to your windows – from drop shadows to awesome desktop effects like the well known Desktop Cube or the [...]

Open the Ubuntu Software Center, search for CCSM and install the Advanced Desktop Effects Settings (ccsm).  Go to the menu, go to “System”, go to “Preferences” and start the CompizConfig Settings Manager. Go to “Accessibiliy” and find Enhanced Zoom Desktop. Make sure, that it is enabled. Open it. Enable mouse “Zoom In” for Super+Button4 and [...]