Dropbox can't establish a secure connection

All connections to the Dropbox service are done using a secure connection (SSL). If you get an error that says "Cannot establish a secure connection," it is probably due to one of the following reasons:

• 
  

  Your system time is off

  
  Your computer will compare your system date to the expiration date of our SSL certificate. If your system time is stuck in the past or so far in the future that it is outside of Dropbox's SSL certificate expiration date, a secure connection will not be established. This is easily corrected by changing your system time to the current date.


• 
  

  You have a proxy or firewall blocking the Dropbox service

  
  Dropbox uses standard internet ports (80 and 443) to transfer data. However, many firewalls and security software will proactively block unauthorized or unknown internet services. Add Dropbox to your proxy or firewall settings as an exception to connect to the Dropbox service.

How to Play MKV Files on PS3

Just download PS3 Media Server

https://code.google.com/p/ps3mediaserver/downloads/list

and voila.

Plus you can even see your external drive videos and music

Introduction To Linux

If you're new to Linux and want to find out how to use the fastest growing operating system today, all you have to do is follow these lessons and you'll be using Linux efficiently in no time.

Upgrade from Ubuntu 12.04.1 LTS to 12.10

1. Press the Superkey (Windows key) to launch the Dash and search for Update Manage

2. Click the Check button to check for new updates. If there are any updates to install, use the Install Updates button to install them, press Check again after that first update is complete — then press the Upgrade button.

How to find out your Ubuntu version

In order to use one of the following ways to identify Ubuntu version you have to open Terminal (go to Ubuntu main menu –> Accessories –> Terminal):

cat /etc/issue.net

This will show Ubuntu version number but without codename:

Ubuntu 10.04.1 LTS

Or

lsb_release -a

Switching PS3 from HDTV back to a Regular TV

Alright, step by step.

1) Hook up your PS3 to whatever TV you want with whatever cables you want

2) Make sure the PS3 is in the Standby mode (not on, but not completely switched off on the back)... The light on front should be red.

3) Hold the Power button on the PS3 down for 5-6 seconds until you hear 2 total beeps (not the PS button on the Wireless controller, but the power button on the console)

4) PS3 will reset video output and re-configure to new settings.

DONE!