Greatest Hits

26
votes
16answers
79k views

Shut down computer from keyboard

Is there a keyboard shortcut available to shutdown the computer? I know I can use the Power button, but I would like to be able to it from the keyboard. If such a shortcut does not exist already, ...
51
votes
11answers
128k views

How do I mount shared folders in Ubuntu using VMware tools?

Experts. I've successfully installed VMware tools for Ubuntu. Everything seems to work fine, but shared folders were not mounted automatically. How do I get them to work? If I run vmware-hgfsclient ...
33
votes
6answers
80k views

Wireless card Realtek RTL8723AE-BT is not recognized

I bought a new laptop with a RTL8723AE-BT wireless card, but it seems there is nothing that makes it work. Realtek usually makes drivers available for its card, but this specific one doesn't have a ...
20
votes
4answers
133k views

mount: you must specify the filesystem type

I want to mount a partition to an auxiliary folder via mount to fix a damaged grub. I used the command. sudo mount /dev/sdb2 /home/ubuntu/temp and got as error: mount: you must specify the ...
86
159
votes
4answers
123k views

How to upgrade a single package using apt-get?

How do I update a single package? As far as man apt-get says apt-get upgrade doesn't take a package/list of packages as parameter: upgrade upgrade is used to install the newest versions of ...
158
21
votes
4answers
65k views

Installing Java 7 Update 25 on 12.04 LTS?

How can I install Java on Ubuntu 12.04? I have: Java(TM) SE Runtime Environment (build 1.7.0_21-b11) Java HotSpot(TM) 64-Bit Server VM (build 23.21-b01, mixed mode)
100
votes
12answers
166k views

How can you log out via the terminal?

Is there a command, that will take you back to the login screen?
8
votes
3answers
103k views

What is the default root password?

I installed Ubuntu 12.04 LTS (Precise Pangolin), 64 bit. Nowhere was I asked to set password for root. I just installed AccuRev SCM software. It was installed under the /root folder by default. Now I ...
103
40
votes
3answers
117k views

How can I copy the contents of a folder to another folder in a different directory using terminal?

I am trying to copy the contents of a folder to another folder in a different directory using terminal. Would somebody be able to provide me an example of the command line syntax required to achieve ...
42
votes
4answers
19k views

Upgraded to 13.10 now clock settings are all disabled and clock does not display

I've upgraded to 13.10 and now I don't have the standard menu clock, which I need for work. I checked and 'indicator-datetime' is installed. I even uninstalled/reinstalled that applet with no luck. ...
18
votes
5answers
43k views

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 ...
84
59
votes
10answers
77k views

Desktop does not show when I installed nvidia drivers!

The desktop does not show after I installed nvidia experimental drivers. I tried nvidia simple proprietary drivers, and they did not work either. Here is how it looks. This is not cropped or any ...
214
votes
37answers
126k views

How can I improve overall system performance?

What are your tips for improving overall system performance on ubuntu? Inspired by this question I realized that some default settings may be rather conservative on Ubuntu and that it's possible to ...
21
votes
11answers
28k views

Desktop shows a white or black background instead of wallpapers

after upgrade from 12.10 to 13.04 my desktop background turn black after I try to set a image for that. How to fix it? This is my desktop screen.
63
votes
4answers
50k views

YouTube movies are playing too fast with chrome

I've got movies playing in fast forward in YouTube HTML 5 mode if I play it in Google Chrome. If I open it with Firefox, it plays well. Any ideas?
87
votes
2answers
145k views

How to extract files to another directory using 'tar' command?

I think tar archive.tar /users/mylocation will work. But it doesn't. How can I do that?
129
24
votes
8answers
111k views

Desktop shortcut to create a new desktop shortcut doesn't do anything

It's weird that creating desktop shortcuts is currently so primitive. I found the following: Create Shortcut / launcher on Desktop in Ubuntu 12.04 That helps. However, if there's something wrong ...
40
votes
7answers
55k views

How do I get the Skype status icon back? (on panel/tray)

I installed Skype 4.0 following this guide. However my little Skype icon in the unity status bar (in the top right corner with clock, volume, etc.) is gone. How do I get it back?
46
votes
8answers
135k views

How to format a USB flash drive?

In Windows there is a straightforward "Format" option in a flash drive's right-click pop-up menu. Where's that in Ubuntu? I understand there's always standard partition management command line stuff ...
32
votes
3answers
87k views

Shutdown does not power off computer

I recently upgraded from Ubuntu 11.10 to 12.04. If it makes any difference, my system is a Dell Inspiron 1520. I encounter a problem whenever I shutdown or restart; it kills all running processes ...
5
votes
1answer
49k views

Ho to install an already downloaded .crx file extension in chrome?

It download the .crx file from novell-moonlight-3.99.0.3-x86_64.crx and then went to chrome://extensions/ and drag and drop the file on the chrome windows opened in that address and the ...
44
votes
6answers
96k views

How do I find the kernel version, Ubuntu release and disk partition information from the terminal?

Which commands will give me information about following? Kernel Version Distribution version no. All partition size of the HDD in Terminal
47
votes
2answers
148k views

What command do I need to unzip/extract a .tar.gz file?

I received a huge .tar.gz file from a client that contains about 800 mb of image files (when uncompressed.) Our hosting company's ftp is seriously slow, so extracting all the files locally and sending ...
37
votes
5answers
95k views

How to download a file from a website via terminal?

Suppose that we have a full URL of desired file e.g. http://domain.com/directory/4?action=AttachFile&do=view&target=file.tgz I would like to go without installing a new software. Is it ...
56
votes
4answers
102k views

How to setup a wi-fi hotspot (access point mode)?

How to setup a wi-fi hotspot (access point mode)? Point to be noted: Wireless hotspot aren't same as ad hoc networks. Significant difference is there. In short, adhoc networks aren't supported ...
88
votes
2answers
53k views

How to add “Open terminal here” to Nautilus' context menu?

I am working on Ubuntu 12.04 64bit. I want to add "Open terminal here" to Nautilus context or right-click menu but it tries to download 32bit version from Internet.
44
votes
8answers
92k views

Can't install ATI proprietary drivers in 12.10

I have a laptop with ATI Radeon 6770M HD Hybrid graphics card. In Ubuntu 12.04, I installed the fglrx driver through "additional drivers" and it worked. (I can even switch GPUs). But in the new Ubuntu ...
29
votes
5answers
100k views

How do I view all available HDD's/partitions?

I found a 6 GB IDE HDD in my basement. I want to plug it in and see what might be on it. The drive seems to be recognized in BIOS. I can't find it in Ubuntu to view files, and Ubuntu is the only OS ...
12
votes
2answers
109k views

Install gcc on Ubuntu 12.04 LTS

When I try to install gcc on Ubuntu 12.04 LTS Server with apt-get install gcc, I get the following error: The following packages have unmet dependencies: gcc : Depends: cpp (>= 4:4.6.1-2ubuntu5) ...
10
votes
3answers
84k views

What is a command to compile and run C++ programs?

I am new to Linux. I am using Ubuntu 11.04 and do not know how to compile and execute C++ program in it. I need to know the commands to Compile and Execute a C++ program in Linux.
72
votes
4answers
83k views

Getting “System program problem detected” pops up regularly after upgrade

This started to happen immediately after I had rebooted the first time after doing a system upgrade. It first starts with a dialogue that says "System program problem detected". Then when I try to hit ...
40
votes
16answers
70k views

How do I open a text file in my terminal?

There is a file named RESULTS.txt and I want to open this file in my terminal. (I mean I want to see the file contents be displayed in the terminal and not in some text editor) How do I do that ?
24
votes
21answers
76k views

How can I access Flash files from streaming websites?

In Maverick, there was an option to download Flash videos from sites like YouTube, Vimeo, etc. by copying the flashxx** file in /tmp directory to another location before closing the window. But in ...
63
votes
1answer
63k views

What is the “show desktop” keyboard shortcut?

I just upgraded to 11.10 from 11.04. Previously the shortcut to show the desktop was Super key + D (same as in Windows), But now it is not working. What is the new shortcut?
29
votes
8answers
115k views

How do I mount an SD card?

My computer has an SD card slot. When I put a working SD card into the slot, nothing happens. When I put a CD or DVD in, or plug in a USB drive, the medium is mounted and available. Is there something ...
84
votes
19answers
58k views

How can I deactivate Bluetooth on system startup?

How can I deactivate Bluetooth on system startup?
127
votes
14answers
131k views

Is a NVIDIA GeForce with Optimus Technology supported by Ubuntu?

I am considering buying a Dell XPS 15 laptop. The laptop has a Nvidia 420m card which should work with Linux but I keep reading that the Nvidia Optimus technology isn't supported on Linux. I am not ...
14
votes
6answers
90k views

How to fix “sudo: unable to open … Read-only file system”?

The title might not be as descriptive as I would like it to be but couldn't come up with a better one. My server's file system went into Read-only. And I don't understand why it does so and how to ...
47
votes
5answers
98k views

How to open a PDF file from terminal?

I used to work on the Mac terminal before and I used: open file2open.pdf and the PDF file would be opened on preview or whatever my default viewer was. When I use it in the terminal in Ubuntu I ...
88
votes
4answers
64k views

How do I set focus follows mouse?

Is there a way to set up "focus follows mouse" behavior in Unity?
27
votes
7answers
62k views

USB drive install of Ubuntu 12.04 Server fails - can't find components from CD-ROM

I'm trying to install Ubuntu 12.04 Server (32bit) on a machine here using a USB stick. I used the Universal-USB-Installer-1.8.9.4 which has support for 12.04 server to get the ISO onto the USB drive. ...
102
votes
11answers
74k views

How to keep processes running after ending ssh session?

Let's say I launch a bunch of processes from a ssh session. Is it possible to terminate the ssh session while keeping those processes running on the remote machine?
192
11
votes
3answers
98k views

How to kill and to start the X server?

In 12.04 How do you kill the X server from the command line and from the GUI interface and how do you start it from the virtual terminal?
116
39
votes
14answers
57k views

How to add a “Show desktop” icon to the launcher?

I recently upgraded from 10.04 to 12.04, and there is no show desktop in the launcher. I know I can use Ctrl+Super+D, but is there a way to get it in the launcher? Edit: I just installed the "show ...
41
votes
6answers
73k views

How do I download and install Handbrake?

I'm new at Ubuntu so I don't know very well how to use the terminal in order to download and install programs that aren't in the software center. I've tried without success downloading and installing ...
52
votes
5answers
142k views

How to manage users and groups?

Just switched from 10.04 to 11.10. I'm wondering about the limited options in the GUI for managing users and groups. Where is the old GUI to change groups, id's, etc. I know that I can do this from ...
46
votes
7answers
87k views

How to restart the networking service?

I tried to use sudo service networking restart and sudo /etc/init.d/network restart but they both crash the window manager and I can no longer use my keyboard for input into X. when I use the ...
16
votes
1answer
77k views

How to rename a file in Terminal?

I have: /home/user/my_static /home/user/static/ How do I rename my_static to static and remove static(2)?
61
25
votes
8answers
107k views

How to update kernel to the latest mainline version without any Distro-upgrade?

Currently I'm running Linux-3.0 and I want to update it to Linux-3.3.1 the latest stable kernel release as mentioned at http://www.kernel.org. Can I update to 3.3.1 in Ubuntu without any risk of ...
42
votes
6answers
60k views

What is the difference between a hard link and a symbolic link?

As the title says, I would like to know the difference between a hard link and a soft link created by the command ln. The command man ln does provide information, but does not sufficiently answer my ...