20
votes
3answers
114k views

How to uninstall VirtualBox in 12.04?

Can anyone help me removed VirtualBox? By the way, I couldn't install some softwares, is it because it is a 64-bit version?
14
votes
6answers
66k views

Permission denied, are you root?

I get this error whenever I try to install programs using the terminal: home@ubuntu:~$ apt-get install myunity E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied) E: Unable ...
10
votes
0answers
10k views

How do I unlock “/var/lib/apt/lists/”? [duplicate]

I was installing an item using package manager when it froze. I used Alt + F2 to close it. Afterwards, whenever I try to install anything via apt-get, the terminal reads: E: Could not get lock ...
10
votes
0answers
24k views

Installation Error, “Unable to lock the administration directory” [duplicate]

Whenever I try to install any software through Terminal or Software on my Ubuntu 11.04, I'm getting this response: In Terminal: E: Could not get lock /var/lib/dpkg/lock - open (11: Resource ...
9
votes
1answer
62k views

Could not get lock /var/lib/apt/lists/lock [duplicate]

when I try to apt-get update I'm getting the below error, E: Could not get lock /var/lib/apt/lists/lock - open (11: Resource temporarily unavailable) E: Unable to lock directory /var/lib/apt/lists/
8
votes
4answers
13k views

Unable to use package manager due to “exclusive lock” error [duplicate]

My synaptic package manager in ubuntu10.10 is giving error: Unable to get exclusive lock This usually means that another package management application(like apt-get or aptitude) is already ...
8
votes
1answer
7k views

In software center, some softwares are not found

I have installed a fresh copy of Ubuntu 14.04. Then I started to install some new softwares. But when i tried to see the description of some softwares, the following type of message was displayed. ...
6
votes
1answer
138k views

E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable) [duplicate]

I am trying to install cheese ubuntu@ubuntu:/usr/src/linux-headers-3.5.0-23-generic$ sudo apt-get install cheese [sudo] password for ubuntu: E: Could not get lock /var/lib/dpkg/lock - open (11: ...
6
votes
1answer
92k views

How can I solve Unable to lock the administration directory (/var/lib/dpkg/) [duplicate]

I am really New to UBUNTU 14.04 and whenever I try to update or install anything I get this error: sudo apt-get update [sudo] password for trojanfm: E: Could not ge lock /var/lib/apt/lists/lock - ...
6
votes
5answers
42k views

Cannot open lock file /var/lib/dpkg/lock permission denied--even using sudo

I recently installed a fresh version of Ubuntu LTS 12.04. I had been using LTS 10.4 and saved my package.list and was planning on using $> sudo dpkg --set-selections < package.list ...
4
votes
3answers
17k views

How do I unlock /var/lib/dpkg/lock? [duplicate]

I attempted to install dropbox on my Ubuntu system, but now I am unable to install or uninstall any software. I get this error: E: Unable to lock the administration directory /var/lib/dpkg/lock? I ...
4
votes
2answers
202 views

What is the purpose of lock file? [duplicate]

I have seen a file named lock in /var/cache/apt/archives in my Ubuntu 14.04. This file has only root access. When I try to display the contents of this file using sudo nano lock the file seems empty. ...
4
votes
2answers
249 views

How to disable popup “Close this terminal?” when closing terminal?

Each time when I want to close terminal there is a popup with question "Close this terminal?" because some process is running in terminal. I don't care about this process. How to prevent terminal from ...
3
votes
1answer
1k views

Problem installing ubuntu-restricted-extras

First thing, I'm far from a Linux wiz... Based on some questions and answers around playing mp4 files, I ran sudo apt-get install ubuntu-restricted-extras. Things seemed to be going fine until ...
3
votes
3answers
8k views

gnome-shell-extensions-user-theme won't install due to unmet dependencies

I have gnome-tweak-tool install and use it regulary. I cannot however install the gnome-shell-extensions-user-theme to change the shell. I already have the ppa but when it put sudo apt-get install ...

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