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1500 questions
169
votes
8 answers

How can I check dependency list for a deb package

How can I check dependency list for a deb package. I am running Ubuntu 11.10 and I have backed up all deb packages from var/cache/apt/archives . I want to format my pc and re-install selected applications only. Also how can I get the list of…
Vikramjeet
  • 5,996
169
votes
3 answers

Does ssh key need to be named id_rsa?

I have come across this problem a couple of times when creating build servers with keyed authentication. I was wondering if anyone else has experience this. I have a couple of keys for my current user that may connect to different machines. Let say…
myusuf3
  • 35,799
169
votes
12 answers

How do I install and use the latest version of GNOME?

I followed the instructions for compiling GNOME Shell and it did compile with a few errors here and there but it didn't run. I installed GNOME Shell using sudo apt-get install gnome-shell but I got version 2.31.x, while the latest is 2.91.5 or…
169
votes
6 answers

How to record output to speakers?

Is there a program for Ubuntu that can record sounds of only the output of the speaker and not any voices from outside the PC?
AmirRazoR
  • 3,437
168
votes
9 answers

Play sound through two or more outputs/devices

I have one sound card and one pair of Bluetooth headphones. I want to play my audio through both my sound card and my Bluetooth headphones. I believe Windows has checkboxes that allow you to "check" outputs to enable/disable them, but Ubuntu…
Nathan J.B.
  • 2,740
168
votes
14 answers

Mount encrypted volumes from command line?

If I have an encrypted external disk (or an internal disk that is not in fstab), I see an entry for it in Nautilus -- with an entry like "X GB Encrypted Volume". I can click on this volume, and am prompted for a password to decrypt and mount the…
cha
  • 2,183
168
votes
4 answers

Can I access Ubuntu from Windows remotely?

I have Ubuntu installed on my work computer. I am wondering whether I could have access to it from another computer with Windows installed. If so, could you give a step by step guide?
LaTeXFan
  • 1,797
168
votes
20 answers

USB devices showing as read only

I am using Ubuntu 14.04. I have an 8gb FAT32 USB stick and a 500gb FAT32 HDD; both of these have suddenly become read only devices. I've tried deleting the directory inside /media and then creating it again, renaming it, then giving that directory…
oodles2do
  • 1,843
168
votes
5 answers

Why does su fail with "authentication error"?

I tried to su to root so I could install lights, but I get an authentication error when I try: user@host:~$ su Password: su: Authentication failure
Michael
  • 2,597
168
votes
12 answers

How to recover deleted files?

Are there any tools, methods, incantations to recover recently deleted files on Ubuntu? If it makes any difference, I want to recover a Keepass 2.x database file. But would be better to have a method/tool that works on any kind of file.
Decio Lira
  • 8,174
168
votes
12 answers

How to find (and delete) duplicate files

I have a largish music collection and there are some duplicates in there. Is there any way to find duplicate files. At a minimum by doing a hash and seeing if two files have the same hash. Bonus points for also finding files with the same name apart…
Hamish Downer
  • 19,526
168
votes
4 answers

update-java-alternatives vs update-alternatives --config java

On Ubuntu 12.04 LTS I have installed Sun's JDK7, Eclipse, and the Arduino IDE. I want the Arduino to use OpenJDK 6 and want Eclipse to use Sun's JDK 7. From my understanding I need to manually choose which Java to use before running each…
Stan Smith
  • 1,783
168
votes
5 answers

How do I set fish as the default shell?

Is there a way to set fish as the default shell in ubuntu netbook remix? I put in my .bashrc to run fish, which works fine, but ubuntu recognizes it as fish running inside bash, which means that when I try to close the shell it warns me that a task…
Xodarap
  • 1,979
168
votes
8 answers

How do I find out which version and derivative of Ubuntu is right for my hardware in terms of minimal system requirements?

For a given hardware configuration, how do I find out if Ubuntu will run on it? What considerations should I take into account when choosing an Ubuntu version and flavour such as: Xubuntu with a lighter desktop than the usual Gnome and Unity Lubuntu…
con-f-use
  • 19,061
168
votes
18 answers

My /boot partition hit 100% and now I can't upgrade. Can't remove old kernels to make room

My first issue was when I tried to apt-get update or apt-get upgrade . On upgrade I get the following error: You might want to run 'apt-get -f install' to correct these. The following packages have unmet dependencies: linux-image-server : Depends:…
Strifey
  • 1,779