Greatest Hits

16
votes
2answers
29k views

Ubuntu 14.04 not booting after error message. /tmp could not be mounted

I recently installed Ubuntu 14.04 using WUBI and after installation when it booted it showed an error: Serious errors were found while checking the disk drive for /. There were three options: ...
4
votes
6answers
78k views

Installing Skype in Ubuntu 13.10

When upgrading Ubuntu 13.04 to Ubuntu 13.10 (64 bit), the upgrade tool insisted on removing Skype. I'm now trying to get Skype reinstalled. When trying from the software center (as suggested by why ...
79
votes
5answers
144k 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 ...
14
votes
4answers
89k views

unzip error “End-of-central-directory signature not found”

I try to unzip a zip file, but got an error: $ unzip COCR2_100.zip Archive: COCR2_100.zip End-of-central-directory signature not found. Either this file is not a zipfile, or it constitutes one ...
225
45
votes
4answers
162k views

How to access a usb flash drive from the terminal? (How can I mount a flash drive manually?)

I only have access to the command line I need to backup my data (on the user folder) to a pen. I don't know where/how can I do this is order to access the pen, and then do the cp command. How can ...
26
votes
3answers
107k views

How to access phpMyAdmin after installation?

I've installed phpmyadmin sudo apt-get install phpmyadmin. Of course, I have also mysql and a web server running properly. Now how can I reach it?
73
votes
6answers
57k views

Eclipse menus are cut off or don't show

I'm using Ubuntu 13.10 (with JDK 1.7.0_45). I've downloaded and uncompressed Eclipse Kepler for Java EE Developers. The software menus are messed up. I didn't notice similar problems in other ...
161
31
votes
4answers
119k views

How do I uninstall Mysql?

I installed Mysql using sudo apt-get. Now I need to remove it from my system. How can I do that?
84
votes
5answers
123k 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?
49
votes
2answers
91k views

How to add programs to the launcher?

How can I add new programs to the launcher in Ubuntu?
168
24
votes
2answers
80k views

How do I install Chromium from the command line?

I have already tried using the Ubuntu Software Center, but it won't install the Chromium browser. How can I install it using the terminal?
33
votes
2answers
125k views

How do I install OpenOffice.org instead of LibreOffice?

I want to install OpenOffice.org. What can I do to install it on my computer?
106
votes
4answers
85k views

Is there a power saving application similar to Jupiter?

I have installed the 13.04 final release and so far I am loving it more 12.10. I'm trying to install the Jupiter power settings app but, I read it is no longer compatible with the new kernel. Is there ...
29
votes
6answers
154k views

SSH connection problem with “Host key verification failed…” error

I can connect to another Ubuntu machine in my LAN via SSH. On both of then PC's I installed openssh-server but from another Ubuntu computer I can not connect to my PC via SSH and I got this error: ...
165
35
votes
8answers
109k views

Desktop Client for Google+ and Hangout

Is there any app that I can use to do Google Hangout from within my Ubuntu Desktop like Skype? Also, How can I integrate Google+ account with Ubuntu?
5
votes
2answers
87k views

How do I use Unetbootin to make a bootable Windows USB installer?

it says missing bootmngr or something like that. I'm on ubuntu 12.04 or whatever, the newest one using the gparted to format to NTSC and then unetbootin to install the bootloader, and the iso, then ...
85
votes
2answers
141k 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?
175
210
votes
12answers
169k views

How to revert to GNOME Classic Desktop?

I'm used to GNOME Classic and personally don't want to change to anything else, but it seems there is no more GNOME Classic in the Oneiric release. After apt-get installed gnome-session and all, ...
21
votes
6answers
48k views

How to install Google-Earth 64bit in Ubuntu 13.10, ia32-libs Dependency error

I want to install Google-Earth & it requires ia32-libs. So, I did apt-get install ia32-libs but error pops as Reading package lists... Done Building dependency tree Reading state information... ...
134
votes
13answers
187k views

How do I start applications automatically on login?

How can I make an application automatically start when I have logged in?
132
13
votes
4answers
34k views

Can't find boot-repair package for the newest version of Ubuntu

After upgrading Ubuntu 13.10 to 14.04, grub failed to load Ubuntu and threw the error symbol 'grub_term_highlight_color' not found. I followed the solution offered in the Bug Report but this failed ...
14
votes
2answers
58k views

How to install the MPEG-4 AAC decoder and the H.264 decoder?

Where do I get the MPEG-4 AAC decoder, and the H.264 decoder. How to install them and play the multimedia?
31
votes
8answers
148k 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 ...
27
votes
11answers
36k 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.
38
votes
4answers
101k views

Unable to correct problems, you have held broken packages

After upgrading from 10.04 to 12.04 I am trying to install different packages. For instance ia32-libs and skype (4.0). When trying to install these, I am getting the 'Unable to correct problems, you ...
145
15
votes
3answers
131k views

Installing KDE in Ubuntu 12.04

Is it good to use kubuntu or Ubuntu with KDE? Well if I install KDE in Ubuntu will there be any instability or conflict? Will these two get mixed up with themes and icons? I had a bad experience ...
7
votes
3answers
50k views

What do I need for remotely accessing my Ubuntu 14.04 machine?

I am at a loss as to how to set up my machine for remote connection. Do I need to install a VNC server (which one?) or is Vino (installed by default) enough? I opened Desktop Sharing Preferences ...
26
votes
8answers
105k views

What are the alternatives to Notepad++ on Ubuntu?

I use Notepad++ on Windows 7 and I want to know if there is a good substitution for it on Ubuntu. I want something that is good for editing html files.
26
votes
3answers
177k views

How to run a checkdisk?

I suspect there might be bad sector on a disk. What tool is the best equivalent of the error checking tool of windows? (I used ext3)
124
38
votes
19answers
65k views

Ubuntu on Lenovo Yoga 2 Pro

Is it possible to install Ubuntu on the new Lenovo Yoga 2 Pro? I have checked the Lenovo compatibility lists on the Ubuntu site, but no new entries have been created yet for this model (released ...
46
votes
14answers
67k 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 ...
34
votes
3answers
24k views

nvidia-libopencl1-331 has to be removed before installing WINE

I just installed Ubuntu 14.04 64-bit and enabled the nvidia drivers. Now I am trying to install WINE but I get the message: nvidia-libopencl1-331 has to be removed before installing WINE (translated ...
72
votes
1answer
73k 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?
68
votes
6answers
107k views

Whats the simplest way to edit and add files to “/var/www”?

Having installed the web server is there a simple way to set a user able to use the graphic interface to copy files and directories to the local web server /var/www I gave myself administrative ...
31
votes
8answers
162k views

How do I run a 64-bit guest in VirtualBox?

I would like to have an Ubuntu 11.04 64-bit test environment. When I try booting the Ubuntu 11.04 64-bit installation CD in VirtualBox, the following message is displayed by VirtualBox: VT-x/AMD-V ...
38
votes
4answers
103k 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 ...
34
votes
4answers
119k views

No such file or directory? But the file exists!

I've downloaded a game (Shank) but the bin file doesn't run. The error that is shown when I try to launch the executable is: bash: ./shank-linux-120720110-1-bin: No such file or directory
32
votes
8answers
133k 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 ...
34
votes
6answers
90k 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 ...
12
votes
4answers
122k 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?
136
6
votes
1answer
66k views

How to install g++ compiler?

I have tried the following: sudo apt-get install build-essential Reading package lists... Done Building dependency tree Reading state information... Done build-essential is already the newest ...
43
votes
7answers
86k views

How to install a LibreOffice Dictionary (Spelling Check, Thesaurus…)

What are the steps to install the Spelling Check and other language supports for LibreOffice. For example spanish, french, italian, etc..
16
votes
4answers
50k views

How to enable exFAT in Ubuntu 14.04

I just installed Ubuntu 14.04 and I can't mount my exFAT HDD. I get the following error: Unable to access “SeagateHDD” Error mounting /dev/sdb1 at /media/me/SeagateHDD: Command-line `mount -t ...
41
votes
2answers
84k views

How to increment a variable in bash?

How to increment a numeric variable in bash? I tried with var=$var+1 and var=($var+1) but it doesn't work. My variable is a number, but bash think that is a string. My bash version is ...
45
50
votes
5answers
128k views

Command-line to list DNS servers

Is there a command to list dns servers? I tried $ cat /etc/resolv.conf # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR ...
6
votes
2answers
35k views

Shop and in game item shop not working in League Of Legend (LOL)

I'm using Ubuntu 14.04 and PlayOnLinux 4.2.2. I managed to get League of Legends almost running perfectly, there are only two problems. The first is that the shop to buy things with IP/RP is just a ...
64
votes
4answers
56k 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?
16
votes
2answers
136k 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) ...
18
votes
8answers
66k 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. ...
252
votes
6answers
66k 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?