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1500 questions
179
votes
12 answers

Is it possible to have different DPI configurations for two different screens?

I'm using Ubuntu 12.04.3 with NVidia drivers (319) for my Quadro K2100M graphic card, and when I switch my main 3200x1800 laptop screen to mode 1920x1080 (using nvidia-settings), the display goes blurry... I am using two screens: My main screen is…
179
votes
4 answers

How do I grant sudo privileges to an existing user?

I want to grant a newly created user sudo privileges in Ubuntu. I tried sudo adduser hduser admin but it says no admin group exists. How can I do it?
saket
  • 1,901
178
votes
4 answers

Can I see why a package is installed?

For a specific package, can I find out why it is installed? So, can I see or it's manually installed, or that it is installed as a dependency of another package? Or that it is installed as part of the distro?
Peter Smit
  • 7,707
178
votes
7 answers

Why does a Ubuntu guest in VirtualBox run very, very slowly?

I'm using currently Ubuntu 12.04 LTS as a host machine, and I've virtualized three machines: a Xubuntu 12.04 guest a Windows 7 guest a Ubuntu 12.10 guest All the guests have the same VirtualBox default settings, but Ubuntu 12.10 is slower! The…
Giorgio
  • 2,171
178
votes
4 answers

How can I search within a manpage?

Is there a option to search within manpages?
NES
  • 33,935
177
votes
10 answers

How to switch language keyboard combination?

I would like to type Hebrew in Ubuntu. I tried downloading the Hebrew language pack and then setting alt-shift as my layout-change shortcut in the Options section of "Keyboard Layout". However, when I actually press alt-shift, nothing happens. How…
177
votes
7 answers

How to disable the "unlock your keyring" popup?

I read through all the related answers, but they do not apply to Ubuntu 14.04. I have no .gnome2 folder and no Passwords and Encryption keys item in the system settings. I tried to crawl through every possible menu, but I could not find out how to…
Martin Drozdik
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177
votes
7 answers

What does "TTY" stand for?

On the Wikipedia's article (Computer terminal) under the hard copy terminals section of the article it says this "Early user terminals connected to computers were electromechanical teleprinters or teletypewriters (TeleTYpewriter, TTY)..." So does…
MathCubes
  • 5,732
177
votes
5 answers

How to get a drive formatted with exfat working?

In Ubuntu 13.04 there was an option to use the PPA by Relan in order to get ExFat functionality. Seeing that in Ubuntu this functionality is now available from the repositories without the PPA I tried this but failed to make it work. So my question…
davorao
  • 7,177
177
votes
10 answers

How can I type a Unicode character (for example, em-dash —?)

The title pretty much says it all: how can I type Unicode characters - specifically the em-dash —?
177
votes
14 answers

Browsing the internet from the command line

How can I browse the Internet from the command line in Ubuntu?
user12025
177
votes
4 answers

Will apt-get dist-upgrade upgrade my system to a newer version?

I am using Ubuntu 12.04 right now. If I use the command sudo apt-get dist-upgrade will that upgrade my Ubuntu to 12.10? Does that mean I won't be using the LTS version after that? I don't want to use Ubuntu 12.10 because I've already tried it and…
albilaga
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177
votes
6 answers

How to create a Wi-Fi Hotspot (in Access Point mode)?

How to setup an Access Point (AP) mode Wi-Fi Hotspot? Point to be noted: Wireless access points aren't the same as ad hoc networks. They differ significantly. In short, ad hoc networks aren't supported on newer devices and most Android, Windows…
Web-E
  • 21,716
176
votes
8 answers

How can I uninstall a nvidia driver completely ?

As expected, Nvidia drivers have reduced my customizations. I can't login to Unity 3D session. I can't find any content to help me to uninstall the driver and I don't know what to do as I have never uninstalled them before.
VedVals
  • 3,651
176
votes
8 answers

How to get rid of Ubuntu Pro advertisement when updating apt?

Recently, whenever I run apt update/upgrade, I get the following message in the terminal: Try Ubuntu Pro beta with a free personal subscription on up to 5 machines. Learn more at https://ubuntu.com/pro Does anyone know any way to get rid of this?
Scotty_Trees
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