Posts Tagged Linux
How to tell if your CPU supports virtualization under Ubuntu Linux
Posted by Mike Beach in Uncategorized on September 23, 2011
If you’re thinking of running a virtual machine, you should check first to see if your processor supports the VT extension. To do so, run the following command in a terminal. cat /proc/cpuinfo | egrep ‘(vmx|svm)’ Having the VT extension allows improved virtual machine performance, as well as the ability to run 64-bit virtual machines. [...]
Batch converting audio files to MP3
Posted by Mike Beach in Uncategorized on September 4, 2011
If you’re converting a single file, http://media.io/ is a great online tool. However, for batch conversion, you’ll want to look at one or more of the following tools: Windows: dbPowerAmp is a great conversion utility http://www.dbpoweramp.com/dmc.htm Ubuntu: While dbPowerAmp says Linux is supported through Wine, I’ve found that soundconverter works wonderfully. To install it: sudo apt-get install soundconverter [...]
Cleaning up after PhotoRec – Linux Edition
Posted by Mike Beach in Uncategorized on August 21, 2011
A friend of mine accidentally formatted her 2TB backup drive and brought it to me to see what I could do. PhotoRec was the only tool that would give more than a hint of recoverable data from my Linux-based laptop. After letting it run for several hours, I had a mess: PhotoRec recovered over 230,000 [...]
How to monitor your microphone through headphones in Ubuntu
Posted by Mike Beach in Uncategorized on July 26, 2011
If you want to monitor your headphone feed, either for streaming it to the output or for mixing purposes, you’ll need to know your audio device names. Start with reading the latter half of this post to find your device names. Once you have the input and output device names, substitute them in the following [...]
Broadcasting a multimedia stream using icecast2 and gst-launch in Ubuntu Linux
Posted by Mike Beach in Uncategorized on June 28, 2011
The following is (I hope) an adequately-documented procedure to stream desktop audio capture via icecast2. What you will need: Basic audio hardware An Internet connection Ability to accept inbound connections on a port (default 8000) Some basic idea of what you’re doing Setting up the icecast2 server Icecast2 is a free server for streaming [...]
Guild Wars on PlayOnLinux
Posted by Mike Beach in Uncategorized on June 24, 2011
Here’s a quick run-down of the steps that I took when setting up Guild Wars on a friends Ubuntu machine under PlayOnLinux. We chose PlayOnLinux because of the ability to use Wine prefixes, so we could customize the Guild Wars prefix for best play experience and no interfere with other configured Wine software. It also gave the [...]
How to create an ISO in Brasero
Posted by Mike Beach in Uncategorized on June 19, 2011
This will explain how to create an ISO image from a CD/DVD using Brasero in Linux. First, insert the disc from which you want to make an ISO image. Wait until, and make sure, an icon for the disc appears on your desktop, indicating the disc has been read and mounted. Next, open Brasero and [...]
Example of a fake antivirus web page with screenshots
Posted by Mike Beach in Uncategorized on June 14, 2011
So I was browsing for something today via google Images and I happened upon a malicious web page. The web page tried to convince me to install an “Anti-Virus” program, on the premise that “Chrome Security” had found viruses on my computer. Back in 2010, Google themselves issued a warning about these very same “fake [...]
Intermittent wireless connection and disconnects with DD-WRT and Windows 7
Posted by Mike Beach in Uncategorized on June 12, 2011
If you’re using DD-WRT on your router you may find that certain wireless configurations cause the wireless clients to either be unable to connect or drop connection. This seems to be the most noticeable on Windows 7 systems, but likely happens on other systems as well. Note that I did not observe this at all [...]
Ubuntu not booting with nVidia video on i3-i5-i7 Intel CPUs
Posted by Mike Beach in Uncategorized on June 6, 2011
Systems with i3/i5/i7 chipsets and nVidia video may experience Ubuntu not booting, and instead getting a blank screen with a flashing cursor or corrupt video display. This seems to be an issue with some combination of kernel, video card, and nouveau driver, and appears to stem from the fact that the system technically has two [...]
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