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

Find and match open ports and services in Windows

Computers and Networks

When running Windows, operating system tools allow you to find the mapping of a open TCP/UDP ports to a running service or application. Netstat: Displays protocol statistics and current TCP/IP network connections Use > netstat /? to find information about the options and usage for the command. To find all connections and listening ports, use:… Continue reading Find and match open ports and services in Windows

Network connectivity troubleshooting step by step with commands


Updated January 26, 2021 This post is a detailed version of common practices for troubleshooting firewall rules that have been implemented to allow a server to connect with another server. To help users in troubleshooting problems with network connectivity and firewall rule implementations, included below are step by step commands one can execute on a Windows… Continue reading Network connectivity troubleshooting step by step with commands

Install LAMP on Fedora and Run in 15 minutes – Apache, MySQL, PHP, and phpMyAdmin


Below are steps to install the LAMP stack on a Fedora Linux server – Apache HTTP Server, MySQL (database software) and PHP (or Perl or Python) in about 15 minutes. Things to know Commands below are executed as root (or prefixed with sudo). The steps have been tested on Fedora 14, Fedora 15, and Fedora… Continue reading Install LAMP on Fedora and Run in 15 minutes – Apache, MySQL, PHP, and phpMyAdmin

System administration 2: Firewall rules troubleshooting


The following is a list of common practices for troubleshooting firewall rules that have been implemented for a server’s connectivity to another endpoint. Confirm Firewall rules Implementation Operating system Level connectivity test on established ports from source server/firewall to destination server/firewall. Test should verify routing, network address translation, ports, and URLs where applicable. If there is… Continue reading System administration 2: Firewall rules troubleshooting

System administration 1: Useful Commands and Locations on Windows and Unix/Linux

Command key

This post lists common commands used in Windows and Linux/Unix system administration, server support, and troubleshooting. Linux/Unix The first command indicates the command name (searchable with a man page). The parens indicate useful extensions File Searching, Browsing Command Usage/Function ls (-al) List files and directories find (./ -name or expression ‘in quotes’) -print Find files… Continue reading System administration 1: Useful Commands and Locations on Windows and Unix/Linux

Have you see a unicorn in Toronto? I have in innovative marketing

Unicorn sighting in Don Valley

The Ontario Science Center (OSC) has started an innovative marketing campaign for their Mythic Creatures: Dragons, Unicorns & Mermaids exhibition. Unicorn sighting and emergency unicorn hotline? The full social media news release from the Ontario Science Center called “Rumoured Unicorn Sighting Reported In Don Valley” has several engaging elements designed to pull readers in: 15 second video of a… Continue reading Have you see a unicorn in Toronto? I have in innovative marketing