11 Nov

Raspi As A Wifi Router

Posted by Mike Categories: Blog
Raspi As A Wifi Router

Tons of hacks going around these days about setting your raspberry pi as a wifi router. But the difficulty is, there’s no plug and play solution. It all depends on your wifi dongle, version of raspbian, etc. Doing this with the intention of completing this article: http://www.makeuseof.com/tag/how-to-make-a-wifi-network-that-only-transmits-cat-pictures-with-a-raspberry-pi/ I’m more...

29 Oct

How To Kill Your Errant Mongo Process

Posted by Mike Categories: Blog

So you try to start mongo one morning and it wont start up? Giving some error about a lock file? Well that’s because you didn’t shut your process down correctly silly! It’s simple, check for a mongo process running first: #mac sudo lsof -i -P | grep 27017 #linux sudo netstat -tulpn | grep :27017 Then, kill it: # the process id sudo more...

25 Oct

Installed XCode into Custom Directory

Posted by Mike Categories: Blog

You’ve installed xcode and developer tools, but you moved xcode into a custom directory (maybe you have multiple versions). Then let’s say you install something like homebrew. Homebrew will tell you that it installed and you should run “brew doctor” before you install anything. So you do and get this error: Warning: Git could more...

And how to fix it… Just got a fresh install from work. I open things up and try to install homebrew. I get the following error: curl: (60) SSL certificate problem, verify that the CA cert is OK. Details: error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed More details here: http://curl.haxx.se/docs/sslcerts.html curl more...

Can't Boot Ubuntu on Macbook Pro - Fuzzy Screen

You try to boot ubuntu, but it loads with a corrupted screen and you can’t see any options… Chances are you are trying to run the gui on some hardware that isn’t working correctly. No need to fear. If you are booting with grub, select the option to “Install Ubuntu” and press whatever key is designated to edit the command. more...

02 Oct

How to Make a Live USB on Mac

Posted by Mike Categories: Blog
How to Make a Live USB on Mac

The ubuntu instructions are simple but may not work. There is a much better tutorial here: http://computers.tutsplus.com/tutorials/how-to-create-a-bootable-ubuntu-usb-drive-for-mac-in-os-x–cms-21253 Or if you don’t feel like opening terminal. Just download the distro, download this: http://unetbootin.sourceforge.net/ and pop in your usb. more...

01 Oct

Installing Turtlebot and ROS On Your Mac

Posted by Mike Categories: Blog
Installing Turtlebot and ROS On Your Mac

I want to set up my workstation on my mac so I can teleop turtlebot. To do that, I need to first install some things. Get homebrew installed and follow the instructions here: http://wiki.ros.org/groovy/Installation/OSX/Homebrew/Source A couple things to note: Once you tap ros/groovy, you will end up with a warning. Follow the instructions and enter more...

Got a banana pi. Like it more than raspberrypi. wont go into details, but it’s faster, quadcore, has more ram, more GPIO pins and an onboard infrared sensor. Basically, it’s better, trust me. Oh and you can install a flavor of raspbian on it, just suited to banana pi. NOTE: if you try to install regular raspbian, you wont see video from more...

30 Sep

My First Cardboard Demo

Posted by Mike Categories: Blog
My First Cardboard Demo

Many more where this came from, basically, I’m going to be doing a alot of this… You can view this on your mobile using google cardboard or http://projects.ict.usc.edu/mxr/diy/vr2go/ Anyway check it out: http://iwearshorts.com/iwearshorts.com/demo/cardboard/city/ more...

Find the Top Ten Largest Files/Folders on Your Server

quicky but a goody du -hsx * | sort -rh | head -10 Thats all more...