Greatest Hits

334
votes
10answers
1.1m views

Installing Ubuntu on a Pre-Installed Windows 8 (64-bit) System (UEFI Supported)

I bought a computer with Windows 8 Pre-Installed, but I didn't like Windows 8, so I decided to install Ubuntu as a second operating system. I'm absolutely new to Linux. I have been using Windows for ...
175
votes
10answers
1.4m views

How do I install a .tar.gz (or .tar.bz2) file?

I have downloaded tar.gz files. But I don't know how to install it. How do I install this kind of file?
72
votes
6answers
453k views

How to install Google Chrome on Ubuntu?

How do you install Google Chrome on Ubuntu 14.04?
152
votes
39answers
441k views

How to fix “The system is running in low-graphics mode” error?

Note: This is an attempt to create a canonical question that covers all instances of "low-graphics mode" error that occurs to a user, including but not limited to installation of wrong ...
122
votes
7answers
292k views

Screen Resolution Problem with Ubuntu 14.04 and VirtualBox

Environment: Lenovo T530 running Windows 7. Have installed Ubuntu 14.04 on a virtual machine using VM Virtual Box. Have installed all the updates from both Virtual Box and Ubuntu. Problem: While in ...
114
votes
46answers
590k views

Installing Broadcom Wireless Drivers

I'm having serious problems installing the Broadcom drivers for Ubuntu. It worked perfectly on my previous version, but now, it is impossible. What are the steps to install Broadcom wireless drivers ...
188
votes
14answers
559k views

Unable to lock the administration directory (/var/lib/dpkg/) is another process using it?

I get this error when trying to use apt-get: E: Could not get lock /var/lib/dpkg/lock - open (11 Resource temporarily unavailable) E: Unable to lock the administration directory (/var/lib/dpkg/) is ...
1450
176
votes
5answers
865k views

How to delete a non-empty directory in Terminal?

How do I delete the following directory? I typed: rmdir lampp This error comes up: rmdir: failed to remove `lampp': Directory not empty Is there a command to delete all the files in the ...
348
votes
23answers
571k views

How can I install Sun/Oracle's proprietary Java JDK 6/7/8 or JRE?

I want to install Oracle's JRE and to update to the latest version with the Software Updater when they released. Is there a Ubuntu package that is provided by Canonical or Oracle? Before release Java ...
91
votes
1answer
83k views

Mouse cursor flickering and disappearing

I installed Ubuntu today and since the first start up I have a problem with the mouse cursor. It starts randomly disappearing and flickering a lot. I have searched for a solution on Google and here ...
1500
288
votes
8answers
870k views

How to unzip a zip file from the Terminal?

Just downloaded a .zip file from the internet. I want to use the terminal to unzip the file. What is the correct way to do this?
405
votes
6answers
1.0m views

How do I install a .deb file via the command line?

How do I install a .deb file via the command line?
179
votes
5answers
686k views

How do I change the GRUB boot order?

I have both Windows 7 and Ubuntu installed on a shared machine. Because a lot of the non-developers use Windows, I'd like to change the boot order to make it easier for them. Currently the boot order ...
792
353
votes
5answers
1.1m views

How can I add a new user as sudoer using the command line?

After I add a user using adduser, I can't see it via System->Administration->Users and Groups unless I logout and then login again. Is that normal? Also, can I set a newly added user as a ...
231
votes
9answers
416k views

How do I install Sublime Text 2/3?

I installed Sublime Text 2 on 12.04 as per this tutorial. However I don't have adequate permissions when launching the program from the Unity launcher. For example I cannot install packages, or if I ...
229
votes
4answers
622k views

How do I restart /shutdown from a terminal?

How to shutdown the Ubuntu installed system and restart it by using terminal ?
273
votes
14answers
679k views

How do I reset a lost administrative password?

I'm working on a Ubuntu system, and my client has completely forgotten his administrative password. He doesn't even remember entering one; however it is there. I've tried the suggestions on the ...
532
votes
16answers
773k views

How to list all installed packages?

I'd like to output a list of all installed packages into a text file, so that I can review it and bulk-install on another system. How to do this?
204
votes
8answers
485k views

Could not reliably determine the server's fully qualified domain name?

When I restart my apache server using the command sudo /etc/init.d/apache2 restart I get the following error: Restarting web server apache2 apache2: Could not reliably determine the server's ...
585
votes
75answers
444k views

What Application Indicators are available?

This question exists because it has historical significance, but it is not considered a good, on-topic question for this site, so please do not use it as evidence that you can ask similar questions ...
138
votes
5answers
126k views

How can I accept the Microsoft EULA agreement for ttf-mscorefonts-installer?

After a recent update, ttf-mscorefonts-installer prompted me to accept its license agreement. For some reason my terminal will not allow me to accept, or for some reason I am pressing the wrong ...
47
votes
4answers
455k views

How to install Flash player on Ubuntu?

Even though I have the latest Adobe Flash player 11.2 for Linux in Firefox - ref: Flash player security doubts - a particular online flash game still requests that I update to the latest flash ...
114
votes
2answers
251k views

How to install Skype 4.3?

Skype 4.3 is just released with considerable improvements. As a regular Skype user I want to use the latest Skype on my Ubuntu 14.04, but there is no updates from Update Manager. Even in Skype website ...
189
votes
7answers
533k views

How to install updates via command line?

When I log into my web server via SSH I see the information: 88 packages can be updated. 80 updates are security updates I tried apt-get update then apt-get upgrade but each time I log in I still ...
26
votes
7answers
319k views

Ubuntu 14.04 install NVIDIA driver

After I have managed to get running Ubuntu 14.04 (look at my last question about booting upgraded Ubuntu) now there is another problem: To continue with that story: I found a way to burn the image on ...
70
votes
7answers
452k views

How to install Chrome browser properly via command line?

I am trying to install chrome browser via command line. I tried this: $ apt-cache search chrome browser The results show that the proper term is "chrome-browser," so I tried that: $ sudo apt-get ...
72
votes
15answers
447k views

How to remove Ubuntu and put Windows back on?

I have absolutely no experience with Linux, and I desperately need to get my computer back up and running again with Windows. How do I remove Ubuntu?
269
votes
26answers
236k views

Unity doesn't load, no Launcher, no Dash appears

When I login, nothing happens. I am presented with my desktop wallpaper. No Dash, no Launcher, nothing.
1035
144
votes
7answers
373k views

A command to list all users? And how to add, delete, modify users?

I need a command to list all users in terminal. And how to add, delete, modify users from terminal. That could help in administrating your accounts easily by terminal.
147
votes
6answers
390k views

How can I create a Windows bootable USB stick with Ubuntu?

I'd like to create a Windows 8 bootable USB stick, but I don't have a Windows machine with me to do so. So how do I do it with Ubuntu/Linux?
24
votes
8answers
272k views

“No root file system defined” error while installing ubuntu

I am new to linux/ ubuntu and just downloaded the v11 of ubuntu to learn linux. I faced this "No root file system is defined" error while trying to install it. This is how I was proceeding - ...
250
votes
18answers
473k views

How do I check if I have a 32-bit or a 64-bit OS?

I downloaded and installed the latest 11.04 version from the official Ubuntu site. However I don't know if it installed the 32-bit or 64-bit version. In Windows 7 I could right click My PC and there ...
253
votes
24answers
351k views

What kinds of desktop environments and shells are available?

This question exists as it fills a specific criterion. While you are encouraged to help maintain its answers, please understand that "big list" questions are not generally allowed on Ask Ubuntu ...
225
votes
29answers
512k views

My computer boots to a black screen, what options do I have to fix it?

I am trying to boot Ubuntu on my computer. When I boot Ubuntu, it boots to a black screen. How can I fix this? Table of Contents: If you are trying to install Ubuntu If you have a dual boot ...
473
114
votes
32answers
355k views

How do I download a YouTube video?

I am running Ubuntu 10.10; Can anybody please provide instructions on how to download videos from YouTube?
140
votes
4answers
173k views

How do I patch/workaround SSLv3 POODLE vulnerability (CVE­-2014­-3566)?

After the BEAST attack and Heartbleed bug, now I've heard about a new vulnerability in SSL/TLS called POODLE. How do I protect myself against being exploited? Are only servers or also clients ...
251
votes
13answers
534k views

How do I upgrade to a newer version of Ubuntu?

What are the different ways I can use to upgrade Ubuntu from one release to another?
113
votes
5answers
615k views

Change folder permissions and ownership

I would like the user to have full rights on this folder (as well as all sub-directories and files in it): ~/.blabla currently owned by root. I have found numerous posts (in this forum and ...
206
votes
7answers
171k views

How do I fix a “Problem with MergeList” or “status file could not be parsed” error when trying to do an update?

The computer gave me this output in a window: E: Encountered a section with no Package: header E: Problem with MergeList ...
843
197
votes
34answers
304k views

Reasons why crontab does not work

Often, crontab scripts are not executed on schedule or as expected. There are numerous reasons for that: wrong crontab notation permissions problem environment variables This community wiki aims ...
709
183
votes
14answers
243k views

How do I fix my locale issue?

I am getting this message every time I do something like starting or stopping a service. perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: ...
133
votes
4answers
555k views

How do I rename a directory via the command line?

I have got the directory /home/user/foo and I want to rename it to /home/user/bar. How can I do this in a terminal?
225
votes
8answers
379k views

How do I uncompress a tarball that uses .xz?

I'm used to extracting tarballs with a -xfz flag, which handles gzip and bzip2 archives. Recently I've run into a .tar.xz file and I would like to uncompress it in one step using tar, how can I do ...
47
votes
9answers
176k views

How to install Skype with Ubuntu 13.04

jovan@jovan-HP-ProBook-4540s:~$ sudo apt-get install skype Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This ...
128
votes
12answers
306k views

How to install Eclipse?

I want to install the latest version of Eclipse but the Ubuntu Software Centre contains an older version. Is there a PPA or some other way to install latest Eclipse? Please describe the steps for ...
61
votes
8answers
199k views

What is the path to the kernel headers so I can install vmware?

I installed the VMware bundle on my Ubuntu 11.04 successfully but when I open it it gives me this window and I don't know the path to this C headers.
151
votes
1answer
236k views

Installed Teamviewer using a 64-bits system, but I get a dependency error

I was trying to install Teamviewer, but I was getting a dependency error. I tried to install them, but with no luck. I'm getting this error: Unpacking teamviewer (from teamviewer_linux_x64.deb) ... ...
174
votes
9answers
415k views

What does “sudo apt-get update” do?

I am wondering what sudo apt-get update does? What does it update?
40
votes
4answers
251k views

How to install utorrent step by step?

I am trying to install utorrent instead of using the torrent apps and I just came off windows seven can someone help me?
191
votes
10answers
558k views

How do I install Guest Additions in a VirtualBox VM?

I've recently installed Ubuntu on Oracle's Virtualbox. Now I want to install the guest additions. I started up my Ubuntu guest OS, clicked "Devices" and chose "Install Guest Additions". Nothing ...