Greatest Hits

259
votes
7answers
68k views

How do I modify or disable the HUD's use of the Alt key?

A number of games, Emacs, and the terminal make extensive use of the Alt key. Can Unity be configured to respect this key, rather than launching the HUD with it?
14
votes
6answers
110k views

How do I disable the “Nouveau Kernel Driver”?

I'm trying to install proprietary nvidia graphics driver I downloaded from nvidia website. It will not install because it says that the "Nouveau kernel driver" needs to be disabled first. I opened ...
163
57
votes
10answers
100k views

How to prevent “Write Failed: broken pipe” on SSH connection?

What can I do to configure SSH on both client and servers to prevent Write Failed: broken pipe errors? It often occurs if you sleep your client computer and resume later.
170
16
votes
2answers
141k 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) ...
290
votes
10answers
225k views

What are PPAs and how do I use them?

I keep reading about Personal Package Archives ('PPAs') and people answer questions with a link to a PPA. What's the best way to use these? There are multiple valid answers for this question ...
117
30
votes
4answers
95k views

How to read and write HFS+ journaled external HDD in Ubuntu without access to OS X?

I have a HFS+ journaled external hard-drive and need to be able to write to it on Ubuntu. I don't have access to my Mac, it's thousands of miles away and I won't have access to it for three months. ...
81
34
votes
6answers
92k 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 ...
59
votes
11answers
175k views

How to make a disk image and restore from it later?

I'm a new Linux user. I've reinstalled my Wubi from scratch at least ten times the last few weeks because while getting the system up and running (drivers, resolution, etc.) I've broken something (X, ...
143
23
votes
4answers
79k views

I've downloaded a .sh file - how do I install this?

I'm new to Ubuntu and know installing programs only from window. It is very easy there: Just double-click the setup.exe and the things start. But how do I install a program on Ubuntu? I want to ...
203
77
votes
8answers
94k views

How do I setup dual monitors in XFCE?

I've got an laptop with a intel chip, and I'd like to setup dual monitors in Xfce. How do I do this?
9
votes
4answers
99k views

How to install and run UNetbootin?

Strangely, but true, you cannot install from the the original site, or run it. So how to install and run UNetBootin?
23
votes
4answers
118k views

How to create ISO images?

Let's says that I have a Microsoft Office 2010 on a .zip file, then I extract it into a folder, and now I want to build a .iso file from the files inside this folder. How can I do that?
76
votes
5answers
113k views

How to add a PPA on a server?

The server version of Ubuntu does not have the add-apt-repository command. How can I add a Personal Package Archive (PPA) to the server without this command?
183
64
votes
4answers
58k 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?
19
votes
8answers
67k views

Unable to start VMWare Workstation after upgrade to 13.04

After upgrading to 13.04 I am unable to start VMWorkstation. I get the following message: Before you can run VMware, several modules must be compiled and loaded into the running kernel. ...
32
votes
5answers
119k views

How do I connect to a WPA wifi network using the command line?

So basically, I'd like to use iwconfig to connect to my wifi network when I'm not inside X. But I just don't see a way to do it in the man page. Any idea?
26
votes
21answers
88k 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 ...
16
votes
6answers
77k views

How to create a bootable Ubuntu USB flash drive from terminal?

Is there any way to create a bootable Ubuntu USB flash drive from the terminal without using any third-party applications like YUMI,Unetbootin, etc. I tried to create a bootable Ubuntu flash drive ...
15
votes
7answers
116k views

How do I convert .ts files into something useful?

I have a file that ends in .ts, which according to wikipedia is an MPEG2 file. I've never run into a file like this so I want it want the file to be in a more common format/container to use on ...
11
votes
8answers
102k views

How to configure proxy authentication to work with Ubuntu Software Center?

I have tried put in apt config Acquire::http::proxy, and in Network>Network proxy with and without user:password@server:port and using environment variables http_proxy and https_proxy. Nothing seems ...
21
votes
7answers
51k views

Installing and testing CUDA in Ubuntu 14.04

I am uncertain about how to install CUDA in my system. looking around there are many tutorials about cuda on 12.04 LTS and a few on 13.04 and 13.10, but they all talk about acquiring a deb package ...
85
votes
5answers
152k 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?
161
24
votes
4answers
43k views

How to run 32-bit app in Ubuntu 64-bit?

I installed Ubuntu 14.04 and the current Android development SDK, which contains 32-bit executables. I found that I cannot run those 32-bit binaries. Trying to start them from bash gives me an error: ...
130
votes
10answers
110k views

How can I stop being prompted to unlock the 'default' keyring on boot?

Whenever Ubuntu boots up, a dialogue pops up asking me to unlock my default keyring. Is there some way this can unlock automatically through PAM or some other magical way?
23
votes
3answers
140k views

find a file using the terminal

I am trying to find a directory, using the terminal and I am not sure where it is. I mean that i used the wget command to obtain the file and used it for installation and now i am not able to find ...
58
votes
5answers
177k 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 ...
99
votes
11answers
174k views

How do I change the computer name?

When I connect to my server (ubuntu server 10.10), I get this: name@server-name.belkin ~> How can I remove ".belkin"?
142
99
votes
4answers
77k views

How do I set focus follows mouse?

Is there a way to set up "focus follows mouse" behavior in Unity?
20
votes
2answers
61k views

Install Popcorn Time from source files

How can I install Popcorn Time beta ? I see on their website that they only offer a 64-bit installation files, but the sources are open. I can't use the usual ./configure && make. So, what ...
25
votes
5answers
81k views

USB turn write protection off

Hi I have a USB which is write protected: dmesg | tail [10098.126089] sd 7:0:0:0: [sdb] Write Protect is on [10098.126098] sd 7:0:0:0: [sdb] Mode Sense: 23 00 80 00 [10098.126779] sd 7:0:0:0: [sdb] ...
187
37
votes
5answers
157k views

Adding SSH Keys to Authorized_Keys

I have an Ubuntu server on Amazon EC2, that I use for development, and today I stupidly cleared everything out of the authorized_keys file for SSH. Luckily I have an SSH open, so I am still ...
43
votes
6answers
88k 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 ...
222
votes
32answers
116k views

Comparison of backup tools

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 ...
84
votes
4answers
130k 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 ...
143
32
votes
10answers
103k views

How can I create a select menu in a shell script?

I'm creating a simple bash script and I want to create a select menu in it, like this: ./script echo "Choose your option:" 1) Option 1 2) Option 2 3) Option 3 4) Quit And according to ...
37
votes
5answers
184k views

How to enable root login?

I would like to enable the root account on my Ubuntu installation. I realize the security implications of this.
110
45
votes
5answers
124k views

How to set the fully qualified domain name in 12.04?

I tried adding dns-domain domain.com to /etc/network/interfaces with no luck. When I run hostname -d I get an empty string
29
votes
7answers
69k 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. ...
33
votes
4answers
54k views

How to install OpenJDK 8 on 14.04 LTS?

IMPORTANT: If you need this in 14.04, vote for this bug: https://bugs.launchpad.net/ubuntu/+source/openjdk-8/+bug/1341628 Java 8 is now available according to ...
135
votes
6answers
105k views

How do I remap certain keys or devices?

I'm searching for a way to remap certain keys in ubuntu. i.e. I'd like to change PgUp to Home or PgDown to End. Does a built-in command or a tool exist reassign keys in Ubuntu/GNOME?
30
votes
4answers
100k views

How can I install a .bin file?

I want to update Acrobat Reader for Firefox, but the download has the .bin extension. How can I install it?
16
votes
6answers
83k views

Installing MS Office 2013 on Ubuntu 12.04 LTS

I am trying to install Microsoft Office 2013 on Ubuntu 12.04 LTS (32-bit). I have downloaded an iso file of said product and installed wine1.4-i386 using the apt-get command on the terminal. The ...
12
votes
10answers
49k views

After upgrading to 13.04 Unity interface is not showing

I've upgraded to Raring last night. The upgrade itself went okay, no errors. But when I rebooted the computer afterwards and logged in to my Unity session, all I could see was the Desktop background ...
180
49
votes
4answers
84k views

Wine can't find gnome-keyring-pkcs11.so

I am trying to start a program using wine on Ubuntu LTS 12.04 64 bit When I do this, I get the following error message... /usr/lib/i386-linux-gnu/pkcs11/gnome-keyring-pkcs11.so: ...
65
votes
9answers
90k views

How to display network traffic in terminal

how to display the actual network traffic (wireless) in a terminal? Additionally: Is it possible to add this info to the chart of top?
24
votes
5answers
100k views

Permanently removing apache2

It seems a simple apt-get remove apache2 does not completely remove apache2 as I can still see it on one of the processes when running top. How does one remove apache2 completely on his ubuntu server? ...
137
81
votes
3answers
56k views

How to use Alt+Shift to switch keyboard layouts?

I recently upgraded to Ubuntu 13.10, with the new keyboard handling system. The little "switch keyboard" option does not let me set it to Alt+Shift. How can I get this keyboard binding, as I have ...
20
votes
7answers
151k views

How do I configure my static DNS in interfaces?

I am using Ubuntu 12.04. My /etc/network/interfaces file consists of: # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto eth0 iface ...
85
113
votes
12answers
137k views

How do I change fonts and adjust their size?

I've been finding fonts on the internet and installing them on my system. What's the easiest way to change my fonts? I would prefer an easy to use graphical way, but answers with command line ...
158
32
votes
3answers
100k views

Boot failure : No DEFAULT or UI configuration directive found!

I've tried to install Ubuntu on a VMWare Virtual Machine, but it never gets past the bootloader : ISOLINUX 4.01 debian-20100714 ETCD Copyright (C) 1994-2010 H. Peter Anvin et al No DEFAULT or UI ...