How to Configure Proxy Settings in Linux


Use the following commands to configure your proxy for http and ftp traffic on the command line: If your proxy requires login/authentication, you can use the format: To have this applied every time you log in, place these lines in your .bashrc in your home (~) directory. Example Proxy Settings Using the Above Instructions Using… Continue reading How to Configure Proxy Settings in Linux

Online Security (via Bryan Soliman Blog)


If you’re looking for a concise introduction to online security, check out my work colleague Bryan’s blog. You can find further information on ethical hacking and web application security in Bryan’s published work in PenTest Magazine. The Basics of Online Security – features, technology used, and consumer issues: Abstract Magalhaes (2003) explained that e-commerce requires… Continue reading Online Security (via Bryan Soliman Blog)

Service Level Metrics for Middleware and Server Performance Monitoring


Below are examples of metrics and measures  that are common when looking at IT infrastructure, middleware, and server performance. Why People Use These Metrics These metrics are useful when: Considering service level metrics for infrastructure hosting providers and applications. What to charge clients based on usage of infrastructure services. Quality, stability, and capacity of infrastructure services… Continue reading Service Level Metrics for Middleware and Server Performance Monitoring

Removing viruses, trojans, and other malware from your Windows computer


These steps are easy when you know exactly when your Windows computer  has been infected (e.g. inserting a USB stick, visiting a website with malicious software on your browser). At the time of infection or shortly after infection, perform the following steps: Immediately turn off your computer and unplug it from the network / internet (remove the… Continue reading Removing viruses, trojans, and other malware from your Windows computer

Helpful GIMP Tips and Tutorials

Gimp On Ubuntu

About GIMP and Inkscape GIMP is a raster/bitmap graphics tool and Inkscape is a vector graphics tool. Together they meet most graphics needs in photo/image manipulation and creation of scalable graphics and offer free/open source alternatives to Adobe Photoshop and Illustrator. Answers to Common Questions on: Drawing simple shapes Layer manipulation Combining images and photos Application… Continue reading Helpful GIMP Tips and Tutorials

Resize and Expand a Virtualbox Hard Drive and Media in 4 Steps

Enlarging a Virtualbox virtual drive

Updated July 31, 2021 Often, people find their virtual machine hard disks are too small for usage needs. Below are steps showing you how to resize and expand an existing VMDK or VDI virtual hard drive in VirtualBox for use with a guest virtual machine (VM). Things to Know Before You Start If you already… Continue reading Resize and Expand a Virtualbox Hard Drive and Media in 4 Steps

Installing VirtualBox guest additions on Fedora


Happy Holidays! This celebration season post covers installation of the VirtualBox guest additions on Fedora while using yum to update the kernel sources. The steps were tested in Fedora 13 (GNOME), Fedora 14 (GNOME), and Fedora 15 (XFCE and KDE). A common problem in installing the guest additions on a new copy of Fedora is the guest… Continue reading Installing VirtualBox guest additions on Fedora

Fix Audio Quality Issues in Windows Movie Maker 2.6


If you are experiencing low, degraded, or bad audio quality in the movies you created in Windows Movie Maker 2.6 (MM 2.6), check out possible solutions below. The solutions are aimed at when you are adding audio to a movie such as adding soundtracks with wav and mp3 files. The quality of these input audio… Continue reading Fix Audio Quality Issues in Windows Movie Maker 2.6