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Top 15 settings interview questions

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Which programs use the new "Online Accounts"?

In Ubuntu Oneiric 11.10 it's possible to configure a Google Online Account. I'm able to configure this program to get access to Mail, Contacts, Calendar and Chat.

But which programs use this data? There is no information about that.

After I configured my Google Account, I supposed that I will be able to use Google Chat with Empathy, or that I will be able to access my Contacts and Calendar in Thunderbird.

But none of this is true. So, how does Ubuntu use the configured Google Accounts?


Source: (StackOverflow)

How do I disable the blinking cursor in gnome-terminal?

I could have sworn that there was once a setting for this in the gnome-terminal "Profile".

And then in some version of Ubuntu, that setting disappeared, and I had to use System ➜ Preferences ➜ Keyboard to uncheck "Cursor blinks in text fields".

Well, neither of those seems to be working now. So how do I make the cursor stop blinking?


Source: (StackOverflow)

System Settings icons missing in 14.04

I did a fresh install of trusty 14.04, but a lot of icons are missing. I installed from DVD which was painfully slow and I hope to avoid repeating the process, especially since I started customizing stuff.

Here's my settings window:

System Settings

I've tried:

sudo apt-get install --reinstall gnome-control-center
sudo apt-get install --reinstall gnome-settings-daemon-schemas

None of which changed anything.

Any idea? I wanna edit preferences and none of them are in System Settings, neither in Unity Dash.


Source: (StackOverflow)

How to disable blinking cursor in Gnome 3.8?

There is this proposed solution to disable the blinking cursor in Gnome terminal. However, it no longer seems to work for Gnome 3.8. The option /apps/gnome-terminal/profiles/Default in Gconf does not exist.

So, what is a working solution for Gnome 3.8?


Source: (StackOverflow)

Where do applications typically store data?

I was wondering if there was a standard location for storing user level application data. What I mean by that is stuff like Firefox bookmarks, Skype message history/password, etc. I'm asking because I am not sure if I should go with home directory encryption vs full disk encryption.


Source: (StackOverflow)

Where to store user settings for an app?

If I want my application to store a few settings, that persist when an application closes, then where should I store them?

I'm not talking anything complicated: two booleans and a string (although in the future I might want to store more complex settings)

I've heard gconf, dconf, gsettings, etc all mentioned. What is the "preferred" method? Preferably one that's nice and easy in Python.


Source: (StackOverflow)

How to make custom refresh rate stay saved?

I'm testing out 14.04 on a partition to see if I want to use it as my main desktop for when it's fully released, but I've encountered some problems.

I have a 144Hz monitor, so in the the Nvidia X Server Settings window I set the refresh rate to 144Hz and it works just fine. However, when I restart my computer those settings revert back to "auto" and I have to reset the refresh rate back to 144Hz each time I log into Ubuntu. How do I make the Nvidia settings stay set to 144Hz?

The refresh rate settings also revert back to auto every time I go into full screen in Minecraft.

I've searched Google and can't seem to find any solution to these problems.

I'm not open to any lectures about how 144Hz is pointless because the eye supposedly can't see a difference beyond a certain refresh rate, so if you intend to lecture me on that incorrect knowledge then please be gone.


Source: (StackOverflow)

Will Ubuntu One support OS Settings sync?

Being new to Linux and to Ubuntu, I've taken quite some time to tune it to my needs on my netbook. As I'm now convinced by the OS, I plan to install it on my desktop in the next few days. I was hoping that with Ubuntu One, after a sync, I would find back all my settings on the newly installed machine : system settings, language, list of installed programs (to quickly reinstall the same set), email chat and microblog accounts, Unity launcher shortcuts, etc...

I've just read trought the Ubuntu One website and it seems such a settings-sync feature is not part of it. Is this something that could be done? Is it planned? Is there another way to achieve this same effect?

Thanks in advance for any infos on that.


Source: (StackOverflow)

Unable to understand what jdk location is

I have java installed correctly for sure.

aaa@ubuntu:~$ whereis java
java: /usr/bin/java /usr/bin/X11/java /usr/local/java /usr/share/java
aaa@ubuntu:~$ whereis javac
javac: /usr/bin/javac /usr/bin/X11/javac

But when I'm trying to add the location of /usr/bin/java in IntellyJ Idea12 as a java project sdk, I can't do that because it requires the folder and /usr/bin/java is a file. Even if I specify /usr/bin, it says that it's not a valid location.

So where is it located and how do I setup a location to be a java sdk for IntellyJ Idea12 or for Eclipse?

UPDATE: The path "/usr/lib/jvm/" doesn't exist

UPDATE2:

I used this tutorial http://www.wikihow.com/Install-Oracle-Java-on-Ubuntu-Linux


Source: (StackOverflow)

How can I learn the command which will start an application in Unity's 'System Settings' from the command line?

How can I discover the command-line name (i.e. actual location) of one of Unity's System Settings applications? For example, "User Accounts", "Backup", "Appearance", and so forth?

I wish to know this so I can file a bug report against a particular application!


Source: (StackOverflow)

Is Ubuntu recognizing and/or using my NVIDIA graphics card?

This is my first post here, and I'm pretty new to Ubuntu/Linux. I currently have no other OS except for Ubuntu 13.10. (I used to have Windows 7 until i got a new Tera-byte hard drive).

My current PC build, if any of this helps:

CPU: Intel i5 quad-core
Graphics: NVIDIA GeForce GTX 650
RAM: 8 GB
HDD: 1 TB SATA 3
Motherboard: MSi Z77 A-G41
OS: Ubuntu 13.10

So I recently installed Ubuntu 13.10 and put Steam on it, and I'm seeing that my games run a lot slower than they did when I had Windows 7. I figured it was a graphics problem, so I checked System Settings → Details → Overview. It says in "Graphics" that I have "Gallium 0.4 on NVE7" (don't really know what that is). Does this mean that Ubuntu is not using my graphics card?

In System Settings → Software & Updates → Additional Drivers, it clearly shows like this:

NVIDIA Corporation: GK107 [GeForce GTX 650] -This device is using an alternative driver

(And then it shows a list of drivers that I can switch back and forth to)

So this is a bit confusing. In Software and Updates, it clearly shows that I have my NVIDIA card installed, and that I have a driver selected for it. But in System Settings, it shows I have some Gallium 0.4 thing.

I had done a bit of research, and ended up typing command:

lspci|grep VGA

in the Terminal. It showed this in response:

VGA compatible controller: NVIDIA Corporation GK107 [GeForce GTX 650] (rev a1)

The Terminal seems to recognize my graphics card.

What it looks like to me, is that I don't have the proper driver, and I might be using my CPU's integrated graphics. When I switch around which driver I am using in that list, it still does not see my card in System Settings. Some of the drivers in the list give me some sort of OpenGL error when I try to run a game.

It might just be that my games are running slow because the game developers have not optimized it for Ubuntu that well. However, that still doesn't take away from the fact that System Settings is not showing my NVIDIA card.

TL;DR Version:

How do I know if my video card is being recognized/used? If my video card is not being used, what is the best way fix that?

Please make your answers easy to understand. I do not mind wordy responses, as long as I can follow what you're saying.

Any help would be greatly appreciated! Thanks.


Source: (StackOverflow)

How can I make my windows "burn" when I close them?

I have CompizConfig Settings Manager installed, but I don't know how to make windows burn when I close them. How can I make this so?


Source: (StackOverflow)

Resetting CompizConfig Settings Manager settings

I was running 11.04 before upgrading to 11.10 recently and now I am not able to access my account. When I try to login, the console flashes up with some messages on it, then the NVidia logo pops up and then it takes me back to the login screen. I have a Latitude E6500.

I believe the issue stems from here: when using 11.04 I tried to get the cube working on Compiz against others recommendations. Eventually I hosed my CCSM settings and was not able to login to the account anymore without changing to Ubuntu Classic on the login menu. Now that Ubuntu classic is gone in 11.10 I'm only able to login through the guest account (to see a desktop at least, terminal is still fine).

I believe if I can reset my CCSM settings back to default through the terminal while logged into my main account that would fix it. Any ideas?


Source: (StackOverflow)

Firefox: open downloaded files with system default application

When I download a file with firefox, it always asks me with what program I want to open it with, even when that type of file is recognized by the system, and I can double click on it in Nautilus and have it open properly.

This is an example with a deb file, which opens with Ubuntu Software center (as it should) when I double click on it in Nautilus.

enter image description here

I do not want to look for the required program in /usr/bin or whatever in the Firefox dialog, I want Firefox to recognize my system preferences. What I resort to doing now is choose "Download", open Nautilus and double click on the file...

Why can't Firefox recognize my system settings, and how do I get it to?

Thanks!


Source: (StackOverflow)

How do I change the cursor and its size?

I have recently created an Ubuntu 12.04 partition on my Windows 7 laptop. When installing it, I switched to "high contrast" mode, which has rather large cursors (by large I mean about twice as large and thick as they should normally are).

Now I have successfully installed the partition, the large cursors have stuck around even after exiting this high contrast mode, but only when I am hovering over stuff e.g. hovering over text inputs, links, and when resizing windows. All of these cursors are too large. They cursor is only normally sized when the computer should be displaying the normal mouse pointer.

Does anyone know how I might go about fixing this?


Source: (StackOverflow)