How to Uninstall Vmware Products on Ubuntu

1. Open your terminal and type: vmware-installer -l. This command will list all Vmware products installed on your computer.
muhammad@mdba:~$ vmware-installer -l
Product Name Product Version
==================== ====================
vmware-player 4.0.4.744019

2. Then select the product you want to uninstall.Let say you want uninstall Vmware Player, then I type:
muhammad@mdba:~$ sudo vmware-installer -u vmware-player
It will pop-up a window follow the instructions and uninstall the product. That's all.

Coursera

You want to study online but you have no money to register? Coursera is going to the best place to go to.

They are a social entrepreneurship company that partners with the top universities in the world to offer courses online for anyone to take, for free. They envision a future where the top universities are educating not only thousands of students, but millions. Their technology enables the best professors to teach tens or hundreds of thousands of students.

Their is hope to give everyone access to the world-class education that has so far been available only to a select few. And to empower people with education that will improve their lives, the lives of their families, and the communities they live in.

Multiple Courses

Classes offered on Coursera are designed to help you master the material. When you take one of the classes, you will watch lectures taught by world-class professors, learn at your own pace, test your knowledge, and reinforce concepts through interactive exercises. When you join one of the classes, you'll also join a global community of thousands of students learning alongside you. they know that your life is busy, and that you have many commitments on your time. Thus, the courses are designed based on sound pedagogical foundations, to help you master new concepts quickly and effectively. Key ideas include mastery learning, to make sure that you have multiple attempts to demonstrate your new knowledge; using interactivity, to ensure student engagement and to assist long-term retention; and providing frequent feedback, so that you can monitor your own progress, and know when you've really mastered the material.

They offer courses in a wide range of topics, spanning the Humanities, Medicine, Biology, Social Sciences, Mathematics, Business, Computer Science,and many others. Whether you're looking to improve your resume, advance your career, or just learn more and expand your knowledge from multiple courses that you find interesting.

Source:Coursera

How to Reset OS X Password without installation CD

To start the process you need to enter terminal and create a new admin account:

1. Reboot.
2. Hold Apple + S down after you hear the chime.
When you get text prompt enter in these terminal commands to create a brand new admin account (hitting return after each line):
mount -uw /
rm /var/db/.AppleSetupDone
shutdown -h now

3. After rebooting you should have a brand new admin account. When you login as the new admin you can simply delete the old one and you’re good to go again!

Source:Gigaom.com

How to Remove Username from the Top Panel and Hide Usernames on Login Screen on Ubuntu 11.10 (Oneiric Ocelot)

How to Remove Username from the Top Panel on Ubuntu 11.10 (Oneiric Ocelot)

To get started, press Ctrl+Alt+T on your keyboard to open Terminal. Then run the commands below:

gsettings set com.canonical.indicator.session show-real-name-on-panel false

Logout and login.

To restore the username run: gsettings set com.canonical.indicator.session show-real-name-on-panel true

Enjoy

Hide User Names on the Login Screen in Ubuntu 11.10 (Oneiric Ocelot)

To get started, press Ctrl+Alt+Ton your keyboard to open Terminal.

Then run the commands below to open lightdm config file.

sudo gedit /etc/lightdm/lightdm.conf

Then add the two lines below at the bottom of the file and save.

greeter-hide-users=true
allow-guest=false
It will look like this:
[SeatDefaults]
greeter-session=unity-greeter
user-session=ubuntu
greeter-hide-users=true
allow-guest=false
Save the file and restart your computer.
To restore remove the two lines:
greeter-hide-users=true
allow-guest=false
Save the file and restart your computer. That's all.

How to convert pdf to jpeg in Ubuntu using convert command?

Before converting your file you need to install these two packages:

• imagemagick
• graphicsmagick-imagemagick-compat

Run this: sudo apt-get install imagemagick & graphicsmagick-imagemagick-compat in your terminal to install them. To start the conversion process run this: $ convert Testing.pdf Testing.jpg your output file will be Testing.jpeg. That's all.