December 29th, 2011 by Penguin
Many times I have forgotten my MySQL or Linux root password. I’m not sure why this is, maybe because no one ever uses their root accounts to access anything unless there is some kind of maintenance to be done or something. Typically users stick to sudo or alternate db accounts for day to day tasks since its safer and easier. In this post I review a couple techniques for recovering these passwords without too much pain.
Read the rest of this entry »
Posted in Uncategorized | No Comments »
December 28th, 2011 by Penguin
I recently wanted to update the version of WordPress I was running but didn’t want to do it manually. The one click updates require some specific permissions on the back end that I thought I would discuss/document in this post.
Read the rest of this entry »
Posted in Storys, Tips and Snippets | No Comments »
June 21st, 2011 by Penguin
Today we will be walking through puzzle 3, one of my favourites.
Link to Puzzle 3: https://www.phx2600.org/forum/viewtopic.php?f=39&t=1414
We begin by downloading and unpacking our challenge.
[Charles@timmy:~/Downloads/puzzle3]$ ls
Puzzle3.zip
[Charles@timmy:~/Downloads/puzzle3]$ unzip Puzzle3.zip
Archive: Puzzle3.zip
inflating: Puzzle3.bmp
[Charles@timmy:~/Downloads/puzzle3]$ ls
Puzzle3.bmp Puzzle3.zip
An Image. Ok, lets take a look.
Read the rest of this entry »
Posted in Uncategorized | No Comments »
June 20th, 2011 by Penguin
Puzzle 2 was released about two weeks ago now, plenty of time to have a go at it so I thought I would break down solving this fun binary puzzle.
Link to Puzzle 2: https://www.phx2600.org/forum/viewtopic.php?f=39&t=1412
We begin by downloading the file to our box and unzipping it.
[Charles@timmy:~/Downloads/puzzle2]$ ls
binpuzzle1.gz
[Charles@timmy:~/Downloads/puzzle2]$ gunzip binpuzzle1.gz
[Charles@timmy:~/Downloads/puzzle2]$ ls
binpuzzle1
Read the rest of this entry »
Posted in Projects, Storys | No Comments »
June 10th, 2011 by Penguin
As part of their first year in an engineering curriculum students are asked to produce robots which can solve a basic maze using embedded PIC processors. Below is a recap of some of the robots demonstrated. Not all of them make it through the maze but they all have something fun and unique to offer.
Maze Solving Robots at Poly
Posted in Projects, Storys | No Comments »
