Ubuntu Interview Questions & Answers


Q: – What is Ubuntu ?

Ubuntu is a computer operating system based on the Debian Linux distribution and distributed as free and open source software, using its own desktop environment. It is named after the Southern African philosophy of ubuntu ("humanity towards others").Ubuntu is designed primarily for use own personal computers, although a server edition also exists.

Q: – How To enable root loging in Ubuntu-12.04 ?

Login as normal user and enter below command in the terminal

# sudo sh -c ‘echo “greeter-show-manual-login=true” >> /etc/lightdm/lightdm.conf’

Q: – How do I reset my Unity configuration?

The simplest way to do this is to hit open a Terminal or hit Alt-F2 and run the command: # unity –reset

Q: – How do I know if my video card can run Unity?

/usr/lib/nux/unity_support_test -p

which should give you some detailed output about Unity's requirements and if they are met, e.g.:

OpenGL vendor string:   NVIDIA Corporation
OpenGL renderer string: GeForce 6600 GT/PCI/SSE2/3DNOW!
OpenGL version string:  2.1.2 NVIDIA 270.30

Not software rendered:    yes
Not blacklisted:          yes
GLX fbconfig:             yes
GLX texture from pixmap:  yes
GL npot or rect textures: yes
GL vertex program:        yes
GL fragment program:      yes
GL vertex buffer object:  yes
GL framebuffer object:    yes
GL version is 1.4+:       yes
Unity supported:          yes

Q: – How can I create launchers on my desktop?

The old GUI dialog is still available if you still want to use this:

Using ALT+F2 type " gnome-desktop-item-edit –create-new ~/Desktop "

This will launch the old GUI Dialog and create a launcher on your Desktop:

take the image from   http://askubuntu.com/questions/64222/how-can-i-create-launchers-on-my-desktop

gnome-desktop-item-edit is installed automatically if you have installed gnome-shell/gnome-fallback. It is also installed automatically if you have previously installed gnome-tweak-tool.

Alternatively, you can install the old gnome-panel without much of the bulk:

sudo apt-get install –no-install-recommends gnome-panel

Q: – How can I run Unity in a virtual machine?

Install the virtual box and In VirtualBox >= 4.0 Unity is supported and runs nice when Guest Additions are installed.

XServer 1.10 from 11.04 is supported in Virtual Box >= 4.0.6 when Guest Additions are installed

Submitted By:-Jack          Email-ID: – jackj1065@gmail.com