Greatest Hits

145
votes
9answers
135k views

How can I suspend/hibernate from command line?

How can I suspend or hibernate my laptop using command line, without installing additional software?
191
votes
5answers
174k views

What is the 'whoopsie' process and how can I remove it?

On one of my machines I have a process running called "whoopsie". I'm running 12.04 server and never specifically installed anything with this name. Google seems to imply that it has something to ...
132
votes
2answers
201k 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?
201
6
votes
4answers
52k views

Broadcom B43 WiFi not working in Ubuntu 14.04 LTS

I have installed Ubuntu 14.04 LTS on my laptop. Under the networking menu at the top, it is not showing any WiFi options. How can I get Wifi working in Ubuntu 14.04 LTS? I have a Broadcom BCM4311 ...
22
votes
1answer
118k views

How to solve jitter (or stutter) playback via Chrome flash plugin?

Since the update to 12.04, there's been a problem specifically related to audio/video playback in Google Chrome. The problem only affected the Google version but not the Chromium nor the Firefox ...
26
votes
4answers
130k views

How do I enable the “Universe” repository?

How do I get to Universe Repository of Ubuntu software as mentioned in Ubuntu 12.04 LTS? I am installing 12.04 Ubuntu. Please help.
190
votes
10answers
97k views

How can I remove Amazon search results from the dash or disable the feature?

How can I disable Amazon search results in the Unity dash?
18
votes
5answers
209k views

How does one exit the X server?

The command sudo service gdm stop would successfully disable the X server in Ubuntu 11.04 temporarily. However, this same command no longer works in Ubuntu 11.10, because "gdm" is an "unrecognized ...
49
votes
16answers
129k views

How to install Internet Explorer (multiple versions)?

I am developing one site which has chat feature in Rails. I am using Ubuntu 12.04 LTS. I need to check that the site is IE9 because the chat feature using socket io of HTML5. I want to know that how ...
17
votes
1answer
64k views

How to get gnome shell 3.12 on ubuntu 14.04

I know there is a distro for ubuntu dedicated to gnome and I know ubuntu 14.04 comes with gnome 3.10. But I am wondering what the steps are to: Install the ppas for gnome 3.12 install gnome 3.12 ...
69
43
votes
16answers
106k views

Blank screen after installing nvidia restricted driver

I've installed the current nvidia restricted driver and rebooted my machine and now I get a black or blank screen. How can I fix this?
274
25
votes
4answers
219k views

How to make read-only file system writable?

I am not sure since when the filesystem on my digital audio player has been changed to be read-only. I cannot copy files into it or remove files on it. Are there some possible reasons for the ...
66
votes
10answers
108k views

network manager says “device not managed”

I used to be able to share my network connection by editing the Auto Eth0 to share with other computers in the Ipv4 section and now I upgraded my laptop to 11.10 . Now are there no wired connections ...
42
votes
8answers
89k views

How to switch language keyboard combination?

I would like to type Hebrew in Ubuntu. I tried downloading the Hebrew language pack and then setting alt-shift as my layout-change shortcut in the Options section of "Keyboard Layout". However, when ...
40
votes
5answers
93k views

How to uninstall LibreOffice?

Which package should I remove to completely remove libreoffice? I have no need for office tools. That's the one gripe I have with package managers like apt, there's no simple way to perform the ...
28
votes
5answers
108k views

How to use manual partitioning during installation?

I'd like to see the full How-To on how to use manual partitioning during Ubuntu installation. The existing guides (at least those I found here) cover only automatic part and leave untouched the manual ...
12
votes
3answers
152k 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 ...
148
34
votes
4answers
84k 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 ...
138
votes
2answers
172k views

How do I install latest PHP in supported Ubuntu versions (like 5.4.x in Ubuntu 12.04)?

I am trying to update to php 5.4 in Ubuntu 12.04, and I can only get 5.3.6 using official repositories (using apt-get). I'm not really sure how to do a manual update – I'm sorta new to ubuntu, but I ...
164
58
votes
10answers
193k 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 ...
110
votes
9answers
151k views

How can I repair grub? (How to get Ubuntu back after installing Windows?)

I installed Windows 7, which ate Ubuntu's boot file. When starting up the computer, it now goes straight to Windows, without giving me the option of booting Ubuntu. How can I get Ubuntu back?
67
votes
6answers
143k views

What happened to the ia32-libs package?

The ia32-libs package is no longer present in Ubuntu 12.04 repositories for a 64bit system. Are there any available replacement packages available for download?
197
30
votes
6answers
99k views

How to run an Android emulator in Ubuntu 13.04

Is there any way of doing this in 13.04? If so, can you also provide a step-by-step instruction on how to do it ?
51
votes
4answers
67k views

Requires installation of untrusted packages?

I tried installing VLC Player yesterday, and I got the Requires installation of untrusted packages error. I searched for hours for a solution to this problem, and finally came upon a suggestion that ...
57
votes
11answers
146k views

How do I include lines in resolv.conf that won't get lost on reboot?

I have finally migrated to 12.04 from 7.10. I have one last part to complete but I am stumped. I am using Puppet on each server, and in the past I have included a nameserver address and a search ...
36
votes
13answers
107k views

“Failed to spawn mysql main process: unable to execute: No such file or directory”

I'm a newbie on MySQL ground so bear with me. I've just finished upgrading 11.10 to 12.04. Everything seemed to work without any hiccups and all my software and settings are working fine. Apart from ...
120
votes
2answers
80k 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.
34
votes
3answers
233k views

How to restart samba server?

Sorry this is a little embarassing but I'm trying to set up my own server for the first time. I found great tutorial online. http://www.intac.net/build-your-own-server/ I'm stuck at the 2nd to last ...
116
86
votes
5answers
112k views

How do I install LibreOffice 4?

I want to download and install LibreOffice 4. How can I do this?
14
votes
5answers
96k views

Install Skype on Ubuntu 12.04 LTS 64-bit

Since weeks ago I'm trying to install Skype on my computer. I imagined it would be a straight forward task but it is becoming a nightmare. What I have tried so far: Installing from command line with ...
75
votes
3answers
69k views

How do I deal with “unauthenticated sources” errors in the Software Center?

Any install that I'm trying through the Software Center is telling me: Requires installation of untrusted packages: The action would require the installation of packages from not authenticated ...
35
votes
13answers
74k views

List all MAC addresses and their associated IPs in my local network(LAN)

How can I list all MAC addresses and their associated IPs of the machines connected to my local network(LAN)? Any suggestions?
135
votes
11answers
322k views

How do I install and use the latest version of GNOME?

I followed the instructions for compiling GNOME Shell and it did compile with a few errors here and there but it didn't run. I installed GNOME Shell using sudo apt-get install gnome-shell but I got ...
30
votes
6answers
166k views

Where is .bashrc?

I feel stupid asking, but I can't seem to find the answer to this anywhere. I'm trying to follow these instructions to edit my bash prompt, but there is no .bashrc in either my user directory ...
90
votes
10answers
109k views

Error message when I run sudo: unable to resolve host (none)

I have this issue on AWS on some servers. Whenever I run sudo the terminal is stuck doing seemingly nothing, until it finally spits out this error message. My terminal looks like this: ...
39
votes
6answers
142k views

Installing Chrome Java Plugin

I've been trying to install the Java plugin for Chrome for a couple hours now, and I figured it was time to ask people with more experience. I can't seem to get it working. My current Java version is ...
79
votes
12answers
101k 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 ...
244
62
votes
3answers
202k 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 ...
10
votes
5answers
61k views

How do I install iTunes on Ubuntu?

I've tried different ways to install iTunes, but to no avail. I tried with Wine, but it didn't work. Can I have iTunes on Ubuntu.
132
109
votes
4answers
118k 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 ...
98
votes
15answers
209k views

How to send mail from the command line?

How to send mail from the command line?
63
votes
2answers
171k views

How do I set the grub timeout and the grub default boot entry?

In Ubuntu 12.04, how do I set the GRUB time and the default OS (that I see at boot time) as I'm dual-booting Windows 7 and Ubuntu 12.04?
128
25
votes
2answers
127k views

How can I uninstall a nvidia driver completely ?

As expected, Nvidia drivers have reduced my customizations. I can't login to Unity 3D session. I can't find any content to help me to uninstall the driver and I don't know what to do as I have never ...
31
votes
1answer
107k views

How can I install GTK themes on Ubuntu?

How can I install themes in ubuntu 12.10 ? For example, how can I install the following themes on ubuntu: GrayDay Elegant+Eggplant
178
56
votes
6answers
203k views

Where is the X.org config file? How do I configure X there?

As Ubuntu 10.10 seems to neither detect my graphics card (Intel 82852/855GM) automatically nor use the corresponding Intel driver even after manually installing it, I am looking into manually ...
44
votes
16answers
114k 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 ?
52
votes
5answers
141k 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 ...
49
votes
7answers
148k 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 ...
23
votes
9answers
163k views

How do I run .sh files in Terminal?

Whenever I open a .sh file, it opens it in gedit instead of the terminal. I can't find any option similar to Right Click → Open With → Other Application... → Terminal. How do I open this file in the ...
2
votes
8answers
35k views

Can't install Skype 4.3 on Ubuntu 14.04 64 bit

First of all, I think this question is not duplicated, because I have tried all other solutions I found here, but nothing solved my problem. I use Ubuntu 14.04 64 bit. I have tried until now: sudo ...