I am in desperate need to restore my Ubuntu Linux System back to the previous install. Someone once told  me that there was a program I could run to do this. I have tried searching for it and can not seem to find anything like this. Is there anyone that can share what that program is?

I've seen some laptops with the logo of Ubuntu aside the processor type. Does it mean that only laptops having Ubuntu logo can run the Ubuntu OS or what? What's the meaning of the logo? Is it made for decoration? What can be done to install Ubuntu on laptop without having any complications? 

I installed the latest Ubuntu 14 but I cannot connect to the internet via an Ethernet cable. My wireless card does not work on the new Ubuntu installation, therefore, I have to connect to a nearby PC through an Ethernet connection. The PC I am supposed to connect to runs on Windows 7 and it accepts the connection through the Ethernet cable and even shows connection established. However, even after this, I am not able to access the internet. Is there a special way to bridge the networks and share the connection? Can you explain to me how it is done?

There are many smartphone which are sold with Ubuntu as the default OS. But, I'm afraid that I won't be able to run all the Android apps on the Ubuntu powered smartphone. Is there anything like Wine which runs many Windows applications, on the smartphone, to run many android apps. I mean, is there anything like Wine for Android?

I have Samsung Galaxy S Duos 2 and I don't want to run it on the built in OS. Instead, I want to run my smartphone on one of the versions of Ubuntu Touch. Any suggestions whether or not to install Ubuntu Touch on my device. I don't want to end up with a bricked phone, OK. So, only answer the question if you have enough experience.

I burned the .iso files to a DVD last night and started my PC with DVD-ROM as the first boot device. The Ubuntu Operating System started and I got the desktop on the screen. But, I'm unable to enjoy videos in Live Session of Ubuntu. Furthermore, Youtube also shows some missing content error. Also, I'm unable to download software from Ubuntu Software Centre. What can be done to fix all the above mentioned problems?

Ubuntu 14.04 LTS was released few days ago and it had some new features. Play Linux OS which is also 14.04 LTS based is said to support many Windows applications. The Play Linux OS site is play-linux.com. Check out the site and there are many proverbs supporting Play Linux OS. Which one of the above mentioned OS would meet all my demands as well as use less CPU and RAM if I use the system for programming.

What may be the new features that will be introduced in Ubuntu 15.x?Is the new version of Ubuntu going to support all the Windows applications? By the end of the year, will everyone run their PC on Ubuntu which consumes less RAM and less CPU? Is Ubuntu 15.x going to challenge Windows 10?

hey guys, i've been using linux (ubuntu) for a while now and i wanted to ask if i can also do a system restore using linux to restore my previous settings. This is because i had changed some system configuration files and i cant quite recall how they were and my system cant display the gui interface

I have an error in line 3 when running my 'sudo update' command , how can I rectify this? is there a website where I can get all the listed Ubuntu and linux rectory servers? I think my be may be corrupted, i need to start from a fresh. Can someone provide the link please?