Greatest Hits

19
votes
5answers
82k views

passwordless ssh not working

I've tried to setup a password-less ssh b/w A to B and B to A as well. Generated the public and private key using ssh-keygen -trsa on both the machines. Used the ssh-copy-id utility to copy the ...
15
votes
6answers
46k views

SMBus/ BIOS error while booting Ubuntu in VirtualBox

I am trying to boot Ubuntu 13.04 in VirtualBox, but every time I boot, I get an error that says: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr This happens right after ...
17
votes
6answers
107k views

How to set up Ubuntu Server as a NAS?

I am looking to set up Ubuntu Server as a headless NAS for my home. I would like to have file storage there, as well as a central hub for my MP3s and pictures. What are the best packages out there to ...
85
31
votes
6answers
103k views

How to change the LightDM theme/greeter?

I downloaded a couple greeters for LightDM, but I have not figured out how to enable them. Is there a way to switch greeter, either by graphical or command-line method?. I do not intend to change ...
61
14
votes
7answers
27k views

How do I update LibreOffice to next point release in 14.04?

I want to update my LibreOffice (whole package). Is there a way to do it without uninstalling old and then installing new? If there is no option for updating directly, how should I do it otherwise? ...
52
votes
7answers
80k views

How to automatically fetch missing dependencies when installing software from .deb?

I'm trying to install MySQL Workbench on my Ubuntu box (11.04). The website has a Ubuntu .deb available for download (for 10.10 and 10.04 so I chose 10.10). However, sudo dpkg -i ...
13
votes
3answers
70k views

How to set up remote desktop sharing through SSH?

Is there a way to view (and control) a remote desktop through SSH? I will not have physical access to the remote host machine.
22
votes
7answers
79k views

fsck can't find fsck.ntfs

On several machines that I've upgraded from Natty to Oneiric, I get an error every boot (one for every NTFS partition): Serious errors were found while checking the disk drive for /windows/c. Press ...
82
8
votes
6answers
62k views

“Unknown option ”--enable-libfaad“ ERROR: libfaac not found” while configuring ffmpeg

I trying to install this following these instructions: sudo apt-get remove ffmpeg x264 libx264-dev sudo apt-get update sudo apt-get install build-essential subversion git-core checkinstall yasm ...
23
votes
2answers
32k views

Where to place my local website starting with the 2.4.7 version of apache2?

I recently installed Ubuntu 14.04, then I installed lamp-server and placed my webpages in /var/www directory, but when I opened localhost in the browser there was nothing. I think that happened ...
8
votes
4answers
53k views

'Some index files failed to download' while updating

When running sudo apt-get update I get these following errors: Err archive.ubuntu.com quantal InRelease Err archive.ubuntu.com quantal-updates InRelease Err archive.ubuntu.com quantal-backports ...
16
votes
5answers
66k views

How do I find the path to pg_hba.conf from the shell?

I would like to obtain the path to pg_hba.conf from the shell. The path varies between versions of PostgreSQL. For instance, for 8.4 and 9.1: /etc/postgresql/8.4/main/pg_hba.conf ...
5
votes
3answers
58k views

How to install Ubuntu on MacBook Pro as Dual Boot?

I want to install Ubuntu 13.10 in my MacBookPro. I am running Mountain Lion in my mac. I want to run both Mountain Lion and Ubuntu 13.10 in My mac. How to install Ubuntu in my macbook without ...
12
votes
2answers
76k views

What is the equivalent terminal command to ipconfig /all?

In windows I can use ipconfig /all and this displays all the info about my connection. In terminal using ifconfig does not and only supplies limited info. I can use network manager, but it would be ...
14
votes
3answers
46k views

What does 2>/dev/null mean…?

I want one or two line description about the following command line: grep -i 'abc' content 2>/dev/null
43
votes
3answers
89k views

Choose gcc and g++ version

So I have installed gcc-4.4 and gcc-4.3 (same for g++). Now as far as I remember there is a tool in Ubuntu which sets the symlinks for you if you just tell it which version you want. However it does ...
87
14
votes
2answers
75k views

Bash: ./filename : Cannot execute binary file

I couldn't execute a fortran compiled code in ubuntu 11.10 32 bit. Error message is bash: ./filename : Cannot execute binary file. I've installed the gcc and gfortran libraries too. Could anyone ...
16
votes
4answers
70k views

I receive the error 'grub-install /dev/sda failed' while attempting to install Ubuntu as the computer's only OS.

I am attempting to install Ubuntu on a box which was previously running Windows 7. I have also experienced the dreaded "Unable to install GRUB" error. I am not attempting to dual boot. I have ...
21
votes
4answers
74k views

How do I move all files from one folder to another using the command line?

I would like to know how could I move all files from a folder to another folder with a command line. Let's say I'm in my Downloads folder and there are a 100 files that I would like to move to my ...
16
votes
1answer
55k views

Cannot update grub with paramters on live USB

I have booted from a live USB ("Try Ubuntu"), that also has a persistent option set (I used LiLi to create one) to do some tests for this pcie hotplug issue I'm having. I'm trying to test some boot ...
105
votes
5answers
101k views

How do I get a list of installed files from a package?

I want to know where I can find my installed application when I installed it on Ubuntu using package manager. I installed RabbitMQ and ran locate rabbitmq which gave me following result: ...
4
votes
3answers
54k views

Unable to boot from a USB drive on Samsung Series 9 notebook

Related Ubuntu 12.04 won't boot on Samsung Series 9 NP900X3A (ssd hard-drive) I'm trying to get rid of Windows but I can't boot from USB because the USB slots on the right (USB 3.0) on ...
84
15
votes
10answers
65k views

Can I install Microsoft Office? If so, how?

I want to know how to install Microsoft Office (specifically, Microsoft Office 2010) in Ubuntu? I am a die hard fan of MS Office and I want to know if there is a way I can use it in Ubuntu.
12
votes
4answers
36k views

Ubuntu 14.04 multi touch screen support

Just installed 14.04. It seems to be converting all my screen touch gestures to mouse gestures. And it only supports one point touch. It is supposed to support ten touch points (tested with windows ...
7
votes
7answers
24k views

Lost Windows 7 in GRUB after installing Ubuntu 14.04

So today I've decided install the new 14.04 (64bit) on top of the 13.10 (32bit) Ubuntu that I used to have dual boot with Win 7. So it gave me number of options to install the 14.04, one of them was ...
8
votes
5answers
31k views

How do I eliminate screen tearing on 14.04 and XBMC with NVidia-331?

I have updated my 12.04 HTPC to 14.04 (new install; same hardware), and have started getting awful screen tearing where I had none before. /proc/cpuinfo AMD A4-3300 APU with Radeon(tm) HD Graphics ...
21
votes
6answers
90k views

How do I set up xrdp session that reuses an existing session?

I have been trying to set up a RDP terminal server on precise using xrdp and have been having significant trouble getting a working configuration. When a user logs on, I need it to connect to that ...
29
votes
7answers
29k views

How Do I upgrade Docker

I type docker.io version, and get: Client version: 0.9.1 Go version (client): go1.2.1 Git commit (client): 3600720 Server version: 0.9.1 Git commit (server): 3600720 Go version (server): go1.2.1 Last ...
21
votes
1answer
46k views

Why LibreOffice is default instead of OpenOffice.org

I have read before some articles about OpenOffice.org (OOO). They were saying that because of the status of OOO before it is maintained by Apache, the distros avoided distributing OOO along with the ...
21
votes
7answers
68k views

Ripping DVD to iso - Accurately

I have been using Brasero to rip my DVD collection to .iso. However, I've discovered some errors in some of the DVDs through playback e.g. VLC player would just stop playing the iso file when a bad ...
76
11
votes
5answers
73k views

How to fix “ndiswrapper not found”?

I've been using ndiswrapper to make work some wireless cards using its Windows drivers, because they are not yet supported by free Linux drivers. Until Ubuntu 12.04. Now, I can install Windows ...
4
votes
3answers
61k views

apt.conf “Acquire::http:Proxy ”proxyserver:port" seems not to be used (Ubuntu 13.04 under Virtual Box on Win7)

This is for an installation of Ubuntu 13.04 Desktop in a VirtualBox VM. I'm on a corprate network with an HTTP proxy at x.y.z.251:9090. I've configured the guest OS with the autoconfiguration script, ...
19
votes
1answer
65k views

How can I remove and re-install Unity?

Unity is misbehaving after installing GLX Dock - HUD does not open with GLX Dock turned off and there are ugly shadows in the panel, three control buttons (close, minimise, maximise) and "Ubuntu ...
22
votes
2answers
72k views

Can I use Ubuntu to write a Windows 7 ISO to USB?

I need to create a Windows installation USB drive from an ISO file. I used UNetbootin which seems to be the only tool that can write non-Linux images. The USB disk boots (sort of), but it gets stuck ...
45
votes
3answers
97k views

How to connect and disconnect to a network manually in terminal?

Since the network manager is troubling me so much I want to replace it (possibly wicd orNM from ppa:volanin). I do not know how to connect and disconnect to the network through the terminal without ...
3
votes
2answers
32k views

How do I install utorrent on ubuntu 14.04 other instructions seem specific to older versions of the os

I have tried following some of the step by step instructions given but I think some of eh codes and instructions that need to be entered into the terminal window may be specifically for older versions ...
8
votes
3answers
77k views

How do I remove the FGLRX drivers after I've installed them by hand?

I installed ati-driver-installer-11-9-x86.x86_64.run downloaded from the ATI Website. However I installed the generic version instead of building a distribution specific installer. Now I have the ...
4
votes
5answers
42k views

How to install build-essential?

I am trying to install G++ compiler in Ubuntu 13.10. It told me I needed to install the build-essential package. I have tried the below code sudo apt-get update sudo apt-get install build-essential ...
5
votes
2answers
22k views

How to remove Gnome from Ubuntu Desktop 14.04

I need to use Ubuntu Desktop on my server for certain reasons because I can't use Ubuntu Server, but to make it more efficient I would like to remove the desktop environment and boot straight to the ...
7
votes
4answers
32k views

Drivers for Broadcom BCM43142 on Ubuntu 14.04 (Trusty Tahr)

I am not able to install drivers for my Wi-Fi + Bluetooth card (Broadcom BCM43142). What I have done till now: I have tried using the drivers at this website. I tried following the instructions ...
41
votes
3answers
65k views

“(CRON) info (No MTA installed, discarding output)” error in the syslog

I have a fresh install of Ubuntu 12.04.1 LTS an a number of servers. I have not added any cron jobs or edited my crontab on those servers, however, at around the same time for each machine, I get a ...
62
68
votes
1answer
79k views

How do I run specific sudo commands without a password?

On one particular machine I often need to run sudo commands every now n then. I am fine with entering password on sudo in most of the cases. However there are three sudo commands I want to run ...
31
votes
3answers
28k views

Wireless networking not working after resume in Ubuntu 14.04

[Update]: The same problem exists in Kubuntu and is solved in the same manner. [Solved]: By applying the following command nmcli nm I got the following: Before suspend RUNNING STATE ...
11
votes
1answer
84k views

How do I display the whole desktop in Virtual Box fullscreen mode?

I am running Ubuntu 12.04 in VirtualBox 4.2.6 on a Windows 7 host. After installing Ubuntu I wanted to get the VB interface in fullscreen. I therefore installed guest additions from Virtual Box ...
3
votes
2answers
56k views

Installing software center ubuntu

Okay so I recently had some problems with ubuntu software centre where if I opened it from the dashboard it would open up, but only display a white screen. Nothing happened, so if I then clicked the ...
33
votes
6answers
79k views

Bash remove first and last characters from a string

I have a string like that: |abcdefg| And i want to get a new string called in someway (like string2) with the original string without the two | at the start and at the end of it so that i will ...
17
votes
3answers
65k views

How to fix 3D Acceleration for Vmware Workstation 9?

I have recently installed Vmware workstation 9 on Ubuntu 12.04 & i have migrated my VM's from windows to Ubuntu 12.04 . Now i am getting openGL error & it says no 3D acceleration as shown in ...
2
votes
1answer
22k views

How to install driver for TP-Link TL-WN722N on Ubuntu 14.04?

Hi I am new to Ubuntu and Linux. As I am developing a WiFi product, I want to capture the WiFi traffic wirelessly with Wireshark. Having some searching in the web, I know that I can do that with a USB ...
11
votes
2answers
64k views

How to install the Boot-Repair tool in an Ubuntu live disc?

When the bootloader (GRUB) is broken, I cannot access neither Ubuntu nor Windows. I heard that an easy solution to fix this is to use the Boot-Repair tool from an Ubuntu liveCD (or liveUSB). What ...
10
votes
1answer
30k views

Ubuntu 14.04 and Android, can't see phone on my computer

I have installed gMTP and tried to follow this tutorial to solve this problem: http://www.webupd8.org/2013/01/upgrade-to-gvfs-with-mtp-support-in.html But neither worked. I tried to connect both my ...