Recently, I needed to install Ubuntu on a Dell XPS 630i. There was one irritating problem: the installation cd would consistently freeze just after selecting “Install Ubuntu” from the main menu, leaving me with a blinking white cursor and the inner turmoil that can only be experienced while wondering whether your computer is actually doing [...]
Quoting TheOneKEA at http://www.linuxquestions.org/questions/linux-general-1/keeping-a-process-running-after-disconnect-150235/: nohup is what you want – it’s a wrapper that blocks the SIGHUP signal sent to all applications connected to a terminal when that terminal is closed by the shell. Just ssh into the box and start the command using this syntax: [user@remoteboxen user]$ nohup /path/to/command arguments & The man page [...]
Any time there is a kernel update, you would do well to rebuild the VirtualBox kernel module to ensure compatibility with your new kernel version. This can be done by executing the following command from the terminal: sudo /etc/init.d/vboxdrv setup
First, you can find some good free font downloads at http://www.sostars.com. I downloaded a stencil font called “Ver Army.” I unzipped the file, and found a .ttf font file. I learned how it install it from this page. Here’s a summary: To install Microsoft Windows fonts: sudo apt-get install ttf-mscorefonts-installer To install Red Hat Liberation [...]
sed -r ‘s/\t+/,/g’ sed invoke the stream editor -r use extended regular expressions (similar to using the -E argument for grep). This gives meaning to the ‘+’ character in my regex. s tells sed that we are doing a replacement (“substitution”) operation \t+ find occurrences of one or more tab characters , replace it with [...]
This is the shell script I wrote to help me perform the analysis I did for Quest 5. 1. Perform a site:yoursite.edu search in Google, displaying 100 results per page. 2. Save each page (Google will only give you 10 at most) into a folder named yoursite.edu 3. Download the shell script to the directory [...]
Quest 5 “Many BYU faculty already openly share their syllabi and other course materials on personal websites, through iTunesU, and through other mechanisms … Find as many of the open educational resources being shared by BYU faculty as you can…” It seems to me that discoverability is really going to be the ultimate make-or-break hinge [...]
(It is at this time that I would like to make a plug for Creative Commons licenses. Thank you.) I think I’ve talked more about copyright this semester than at any other time in my entire life. This is not surprising, however, as I would guess that I am like most people in many respects, [...]
A while back I ranted about Google’s CAPTCHA human detection implementation, and how it is practically impossible sometimes to sign up for a Google Account. But the moment of truth arrived when I listened to the accessibility recording of the CAPTCHA. In case you forgot, I can summarize it with one word — psychotropic. (Usual [...]
Up to this point in the course we’ve done a lot of talking. We’ve had great discussions about the history of the open education movement, usage rights, sustainability models, reusability, remixability–even hippies!–and just about everything in between. But now it’s time to get to work! No more talking! This is going to be fun. So, [...]
