99
votes
9answers
52k views

How do I disable overlay scrollbars?

It looks like Ubuntu 11.04 will come with overlay scrollbars by default. I do like them, but I don't like the current mix of scrollbar types as many applications don't yet use those overlay ...
99
votes
10answers
60k views

What can replace system monitoring in the top Gnome Panel in Unity?

I'm used to have System monitoring in the top Gnome Panel: CPU, Temperature, Net, Fan-Speed. (see screenshot below) In Unity, the Top Panel is locked for window name and global menu, so I can't add ...
98
votes
46answers
515k 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 ...
98
votes
5answers
334k views

How to format a USB or external drive?

Using Ubuntu 11.10, how do I format an external or USB drive? I don't find an option to 'format' when I right click. In the new version, the drives don't come up on the desktop but instead come on ...
98
votes
1answer
187k views

How do I configure swappiness?

I need Step by Step, simple and easy way to configure swappiness.
97
votes
4answers
45k views

What is different about the Mac ISO image?

http://cdimage.ubuntu.com/releases/11.04/release/ At that location there is an ISO image which is described as "This image is adjusted to work properly on Mac systems." What specific problems on the ...
97
votes
6answers
20k views

Best way to cache apt downloads on a LAN?

I have multiple Ubuntu machines at home and a pretty slow internet connection, and sometimes multiple machines need to be updated at once (especially during new Ubuntu releases.) Is there a way where ...
97
votes
1answer
99k views

What are the meta, super, and hyper keys?

In System -> Preferences -> Keyboard -> Layout -> Options ->Alt/Win key behavior What do meta, super, hyper mean?
97
votes
3answers
59k views

How do I revert Alt-tab behavior to switch between windows on the current workspace?

Enabling Bias alt-tab sorting to prefer windows on the current viewport as described here made no difference. How can I get back the exact same behavior as 11.04, so that alt-tab only switches between ...
96
votes
5answers
136k views

How can I fix a 404 Error when using a PPA or updating my package lists?

PPA seems to be constantly offline. Whenever I use sudo apt-get update, this error is shown: W: Failed to fetch http://ppa.launchpad.net/ 404 Not Found How do I fix these errors?
96
votes
12answers
87k views

How can I tell Ubuntu to do nothing when I close my laptop lid?

I would like closing the laptop lid to be a no-op. How can I do that?
95
votes
16answers
199k views

Command for determining my public IP?

If I check with google, I can see my public IP. Is there something on the Ubuntu command-line which will yield me the same answer?
95
votes
4answers
145k views

Add user to existing Group

I want to add the Apache user (www-data) to the audio group. I've read the man page for useradd, but I'm not having any luck. I'm running xubuntu 11.10. Here's what I'm doing: $ sudo useradd -G audio ...
95
votes
9answers
40k views

There's an issue with an Alpha/Beta Release of Ubuntu, what should I do?

I've been running Alpha releases of Ubuntu for some time now. I keep running into issues - how can I get these resolved? What should I do when I encounter these problems? And where can I find other ...
95
votes
11answers
150k views

How do I install Java?

How do I install Java, including in my browser, so websites with Java work?
95
votes
6answers
58k views

What is the easiest way to resolve apt-get BADSIG GPG errors?

I frequently cross this issue, and always have to google for an answer. Does anyone have a permanent fix for BADSIG errors from apt-get? W: GPG error: http://download.virtualbox.org lucid ...
95
votes
6answers
186k views

What is the correct way to completely remove an application?

I've searched the net for such information and found different command lines, like these ones: sudo apt-get remove application sudo apt-get remove application* sudo apt-get remove --purge ...
95
votes
5answers
26k views

Why is Wayland better?

As recently announced by Mark Shuttleworth, Ubuntu will be moving towards using Wayland as its display manager. What are biggest differences between X11 and Wayland? Why will Wayland make Ubuntu ...
94
votes
6answers
514k 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 ...
93
votes
30answers
312k views

How do I download a YouTube video?

For a school project I need to download three youtube videos and save them to a CD. I am running Ubuntu 10.10; can anybody provide instructions on how to do this? I'm fairly new to Ubuntu so the more ...
93
votes
18answers
61k views

How do I create a desktop wallpaper slideshow?

How do I create a desktop wallpaper slideshow with my own set of images? With the images coming from a pictures folder, or pre-selected With the images displayed in order, or randomly With the ...
93
votes
15answers
361k views

How do I add a DNS server via resolv.conf?

Is /etc/resolv.conf useless in Ubuntu 12.04 LTS (Precise Pangolin)? I see that the DNS server information is stored in NetworkManager now. The nmcli command line tool can list that for you. If I ...
93
votes
2answers
209k 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 ...
93
votes
16answers
123k views

How can I create launchers on my desktop?

In older versions it was easy to create a launcher on my desktop all i had to do is right click on my desktop and select the create launcher option. But on 11.10 the option disappeared from the menu.. ...
93
votes
3answers
234k views

How to create a soft or symbolic link?

I am installing p4v in /opt, but /usr/bin is on my path. Is it possible to create a soft or symbolic link for p4v from /opt to /usr/bin, so I can just type "p4v" since /usr/bin is in my path?
92
votes
10answers
353k views

How to burn a .iso to a USB device?

I want to burn a Windows ISO to a USB device in Ubuntu. How do I do this? I know how to burn a Ubuntu ISO into a USB device, but with a Windows ISO it's not the same.
92
votes
7answers
100k views

Is there a program like Microsoft Paint? [duplicate]

Greetings, I'm slowly getting used to Ubuntu; for I've been a Windows user as long as I've used any computer. I'm hoping someone can suggest a good graphics software. I'm simply looking for one ...
91
votes
15answers
94k views

How can I find the version of Ubuntu that is installed?

I installed some version of Ubuntu on my VMware, but I don't know what version exactly it is. How can I find it out?
91
votes
8answers
31k views

Is there an easy way to rearrange or move the icons in the Unity launcher?

It looks like the only time that you can choose where an icon goes on the unity launcher, is when you add it. Is there a way to rearrange the order of an icon after it has been added?
91
votes
5answers
168k views

How do I install curl in php5?

I currently have PHP 5.3 installed with Apache in 10.04 Lucid. How can I add the PHP Curl libraries? Do I need to install any other dependencies for curl?
91
votes
8answers
52k views

How to delete file(s) in secure manner?

Is there a way to make sure that a deleted file can not be recovered? As you know, deleting a file by pressing shift-del or using trash doesn't mean that file is gone forever. It resides somewhere ...
90
votes
10answers
96k views

Progress and speed with 'cp'?

When copying files using cp, is it possible to display the progress and speed of the transfer? Otherwise, is there any alternative command line utility that can achieve this?
90
votes
9answers
60k views

Trouble downloading packages list due to a “Hash sum mismatch” error

When I check for updates, I get a "Failed To Download Repository Information" error. This is what comes up under details: W: Failed to fetch ...
90
votes
2answers
165k views

How to enable mod_rewrite in Apache?

I just installed the LAMP stack on my Ubuntu system. The redirection is not working for me. I don't know how to fix it. Can anyone help me?
89
votes
7answers
47k views

Missing date & time applet from top Unity panel

I like Unity very much. Recently, I installed Compiz manager and Nautilus Elementary also then tried to Play. During some of my playing around, Unity's clock applet has vanished. I want to make it ...
89
votes
17answers
86k views

What are the differences between 32-bit and 64-bit, and which should I choose?

What is the difference between 32-bit and 64-bit Ubuntu? I've heard the 64-bit platform performs better and can detect more than 4GB of RAM. Also, while some apps haven't ported to 64-bit yet, ...
89
votes
4answers
75k views

What is the difference between adduser and useradd?

What is the difference between the commands adduser and useradd?
88
votes
18answers
23k views

Why is it bad to login as root?

I've often come across posts on forums or other websites where you see people joking in such a manner about running/logging in as root as if it's something awful and everyone ought to know about it. ...
88
votes
1answer
35k views

How can I use docker without sudo?

On Docker's documentation pages, all example commands are shown without sudo, like this one: docker ps On Ubuntu, the binary is called docker.io. It also does not work without sudo: sudo docker.io ...
87
votes
7answers
202k 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 ...
87
votes
12answers
116k views

How to modify a invalid /etc/sudoers file? It throws out an error and not allowing me to edit again

How do I edit an invalid visudo file? Here is what happens: $ sudo visudo >>> /etc/sudoers: syntax error near line 28 <<< sudo: parse error in /etc/sudoers near line 28 sudo: no ...
87
votes
1answer
70k 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 ...
87
votes
7answers
140k views

How do I get the CPU temperature?

How do I get the CPU temperature.
87
votes
8answers
17k views

How can I use Netflix on Ubuntu?

Is there a way to stream Netflix content to my Ubuntu machine?
86
votes
6answers
122k views

How do I install LibreOffice 4?

I want to download and install LibreOffice 4. How can I do this?
86
votes
5answers
32k views

How do I find the package that provides a file?

Simple enough question: is there some shell command (or GUI method) I can use that, given the path to a file on my system, tells me what package put it there? Assuming the file did in fact come from a ...
85
votes
11answers
204k views

How do I install Oracle JDK 6? [duplicate]

Most of the software is not thoroughly tested with Java 7 and I would like to install Oracle's JDK 6.0 on Ubuntu 11.10. Could someone please provide me the instructions for the same?
85
votes
12answers
116k views

What are some GUI clients for Git?

I am using git for version control of various projects. Is there easy-to-use software for navigating through commits and branches of a project and for retrieving versions?
84
votes
8answers
54k views

Am I using Unity or Unity 2D?

Unity and Unity 2D look very much alike, so how can new users easily find out whether they are running Unity or Unity 2D?
84
votes
17answers
89k views

File and directory comparison tool?

I'm looking for something that will compare directories and files like Beyond Compare does for windows. Its mainly for use of source control, but I need to use it for deployment as well.

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