Ubuntu is a free open source operating system based on the Debian GNU/Linux distribution. Consider using http://askubuntu.com/ to ask questions about it.

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3
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1answer
50 views

How can I shift the frequency of everything that comes out of my speakers?

Let's say I'm jamming on my guitar with a song I'm listening to on YouTube. It's a song that is tuned a half step down. I would like to play that song half a step higher so I don't have to keep ...
1
vote
1answer
16 views

What are the mouse/keyboard sequences for cut-and-paste on Ubuntu VirtualBox?

I have a non-graphical Ubuntu installed inside VirtualBox under Windows. I've installed VBoxGuestAdditions (and enabled bidirectional Drag'n'Drop - for the hell of it). However, none of the following ...
1
vote
1answer
33 views

How to find link between /dev/video and lsusb output

Linux exposes camera interfaces at /dev/video* but that interface doesn't describe the make/model of the camera. Meanwhile, lsusb reports the make/model of all USB devices, including the cameras, but ...
0
votes
0answers
29 views

How to identify USB webcam by serial number from the Linux command line [duplicate]

How do you get a USB webcam’s serial number from the Linux command line? I have multiple USB webcams connected to an Ubuntu machine. They all show up as /dev/video0, /dev/video1, /dev/video2, etc, ...
2
votes
0answers
44 views

Using Virtual Box to install Ubuntu Server 14.04 on an external hard drive

I'm trying to install Ubuntu 14.04 onto a server hard drive. The server machine I have only supports booting to CD/DVD, not USB. When I've tried burning the Ubuntu 14.04 installer to a DVD for ...
2
votes
0answers
121 views

Dual Monitor setup detected as single screen

Two similar monitors display the same picture and are shown as a single monitor under Ubuntu in System Settings -> Displays. This is a DELL Latitude e5550 laptop and both displays are connected via ...
0
votes
0answers
8 views

Running a slideshow on Ubuntu and and nfs

Seen this question and answer. I need to run a slideshow whose images are hosted on an nfs. Would this snippet of code while true ; do for i in * ; do cp "$i" ~/slideshow.jpg ; echo $i ; sleep 5 ; ...
0
votes
2answers
55 views

Ubuntu 10.04.2 LTS backup server only starts up in command line

Basically i'm helping out at the offices where family works. They have this backup server computer - which is running Ubuntu 10.04.2 LTS - which they apparently in the past could just turn on and then ...
0
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0answers
23 views

Extract multipart .rar while download

let's say, I have a download of a multipart .rar file, one file inside. Earlier on Windows with winrar, I opened part01.rar, and started extraction. It was extracting until the end of the last part, ...
1
vote
0answers
45 views

Install ubuntu on ssd disk fail

I have just bought a SSD to update my old laptop. However I cannot install lubuntu on it, it stops and keeps repeating the same messages ata3: hard resetting link ata3: SATA link up 1,5 Gbps (SStatus ...
0
votes
0answers
34 views

Migrating Linux guest from Virtualbox 4.3.26 (latest) to VMplayer 7.1 (latest) on Win 7 64-bit host

Would like to understand if it is possible to migrate a Lubuntu guestOS image from Oracle VirtualBox 4.3.26 hypervisor to VMware VMplayer 7.1, where the hypervisor is running on a Windows 7 64-bit ...
0
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0answers
30 views

Setup multi node cluster in ubuntu 12.04 using Cloudera?

I setup five virtual machines (Ubuntu 12.04 LTS ) using Virtual box, then I configured ssh password less authentications from master system to all slave systems. I have installed Cloudera CDH 5.3 in ...
0
votes
0answers
16 views

Mounts only 700 MB of 536 GB partition?

cfdisk reports two partitions of 536 GB and 858 GB. I mount both with: mount /dev/... /path The second mounts correctly. According to df -h, the first partition contains only 850 MB. How can I ...
1
vote
1answer
104 views

How do I Install Windows 8 or 10 on Surface Pro while Ubuntu is already installed?

I recently picked up old Surface Pro (1) back up from the many boxes in my bedroom. I had previously installed Ubuntu on it about a year ago because the Windows 8 installation somehow became ...
0
votes
0answers
27 views

TUI Login for Ubuntu Server

I have a TUI using whiptail it asks for a username then a password. My problem is that I want to add this program as a replacement for the regular login terminal. I have looked up how Ubuntu starts up ...
0
votes
1answer
24 views

Mounting NFS share

I have got a server with failed hard drive. I would like to retrieve the data that I have on the disk. For that I created an ubuntu live cd and I am using it in one of the clients. I am trying to ...
1
vote
1answer
17 views

Ubuntu 10.04 | Terminal Freezes on certain commands | MTU

Isolated problem: I try to cat /etc/rc.local and I can't do anything in the ssh session after that. I've tried many of the common things, but it seems to freeze on any command, but I can do an ls, ...
0
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0answers
34 views

Toshiba external hard drive 1 TB(Ex Fat) not supported by Ubuntu 14.04

Here is the log: root@rejo-Satellite-C650:~# dmesg | tail -n 20 [ 8984.643180] sd 15:0:0:0: [sdb] Attached SCSI disk [ 9447.238218] sd 15:0:0:0: [sdb] Synchronizing SCSI cache [ 9447.251208] ...
0
votes
0answers
22 views

Is it possible to bring up the OS without any displays on an armStone A9? [duplicate]

How to bring up the operating system on an armStone A9 without any additional displays, but just via LAN cable? My network setup looks like this: Details: PC (machine 1): Ubuntu 14.04 LTS / ...
0
votes
1answer
61 views

rEFInd mountvol incorrect parameter

I had Ubuntu 14.04 on a single drive. Then, I felt like installing Windows 10 along side with Ubuntu. I resized the main Ubuntu partition and unallocated half of the safe. Then, I installed Windows 10 ...
0
votes
0answers
81 views

Browsing an unknown website did freeze Firefox/Ubuntu

After checking my access.log of my Apache2 server (up2date) I got the following output: 179.217.17.165 - - [11/Apr/2015:01:31:46 +0200] "GET /phph/php/ph.php HTTP/1.1" 404 441 "-" "-" 179.217.17.165 ...
1
vote
1answer
47 views

Awful beeping sound on boot

I formated the entire hard drive and installed Ubuntu 14.04 in a Macbook 5.2. Ubuntu boots decently fast, however there is a disconcerning garbled image on screen: After that Ubuntu runs fairly ...
1
vote
0answers
54 views

LVM: “Volume group is not consistent” and “Incorrect metadata area header” but volume still mountable

I'm on Ubuntu 14.04 with a volume group that has 4 disks in it: Incorrect metadata area header checksum on /dev/sde1 at offset 4096 Incorrect metadata area header checksum on /dev/sde1 at offset ...
0
votes
1answer
35 views

OpenCV: ImportError: libavcodec.so.54

I am using Ubuntu, and whenever I try to import cv2 to python I get the following error: ImportError: libavcodec.so.54: cannot open shared object file: No such file or directory I looked online ...
0
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0answers
37 views

Remote Desktop access from ubuntu login screen

I am new to ubuntu and i have a never before seen situation and didn't find any solution yet, The issue is, I have a sepate network for my internal devloper team, they works on ubuntu platform, ...
0
votes
1answer
49 views

How can I organize my folders in Thunderbird?

This is a current snapshot of my Thunderbird. As you can see folder structure varies between my accounts. I'd like to reorganize my accounts' folders such that they look like to my live.com ...
0
votes
0answers
32 views

Decrypt SSL Data in wireshark

In all the tutorials which I saw in web, they pointed me to add key file in Edit->Prefereces->Protocols->SSL->SSL key file but there is no such SSL key file in version I use. Can somebody guide how ...
0
votes
1answer
120 views

Unable to boot Ubuntu 14.10 on Toshiba Satellite C55D with UEFI boot mode

I am trying to get Ubuntu 14.10 to boot on my Toshiba Satellite C55D-B5212. I have UEFI boot mode and Secure Boot enabled. The Ubuntu live USB stick booted without issues and the install seemed to ...
2
votes
1answer
100 views

Formatting USB-stick to NTFS or FAT32

After reformatting my USB-stick it became unreadable by Android filesystem. Android Supports only NTFS or FAT32, but whenever I try to format USB-drive from Ubuntu to any of the types I can see flag ...
0
votes
0answers
30 views

How can I install a windows iso from ubuntu without a flash drive

So my windows 8.1 broke today with the error of winload.exe going corrupt. I'm at a loss. I don't know where to start. I had to do this once already a few months ago when I infected myself with a RAT ...
0
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0answers
20 views

Alternative to the arrow keys on Ubuntu and Windows 8.1?

I have the following keyboard: Notice that if my hands are on the home row, they are pretty far from the arrow keys, unlike on my laptop's keyboard: I have been using my laptop until now, so I ...
0
votes
0answers
54 views

Upgrade from Ubuntu 14.04 to Ubuntu 14.10 Network-Manager fails to start on boot

I recently upgraded from 14.04 LTS to 14.10. Since the upgrade, the Network-Manager service fails to start on boot. I have checked the syslog and noticed the following errors. nm-dispatcher.action: ...
0
votes
1answer
28 views

XFCE remove minimize (?) button

Is it possible to remove this little button from window? I'm using Linux Mint with XFCE gui and MindnigtWhite theme.
0
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0answers
18 views

Alternative versions of SVN subversion on one Linux machine

I work on Ubuntu with several svn java repositories and they have different versions of svn (I can't update svn version on server side). So is it possible to install old subversion version (1.6, 1.7) ...
0
votes
0answers
17 views

Windows not working after installing Ubuntu (BackTrack)

Firstly I have windows xp installed. Then I installed Ubuntu. So it become dual boot. Ubuntu works fine, but now I can't get into Windows xp. Altough windows option is available on GRUB linux option. ...
0
votes
2answers
36 views

apt-get error when installing git

I just set up a fresh Ubuntu 12.04.5 server amd64 machine on VirtualBox 4.2 (I was having install issues on OSX 10.10 using 4.3) and I'm able to do apt-get install curl but when I run apt-get install ...
0
votes
0answers
18 views

What is denied when doing “sudo su postgres”

I have a machine with Ubuntu 14.04.2. It has PostgreSQL installed. My user can sudo. If I do sudo su postgres, I get the following on the screen and it switches me to the postgres user: Access ...
0
votes
1answer
80 views

Debian user learning CentOS: how to install this package?

After always having worked on Debian I now have to use some CentOS servers. I need to install a package which I always install on Debian servers using sudo apt-get install python-zbar. So I tried ...
0
votes
1answer
47 views

How can I boot Windows from external hard drive using GRUB?

I have installed Windows 7 in my internal hard drive, and used a external hard drive box which turns the internal hard drive into a external hard drive. I installed both Ubuntu and Windows 7 in my ...
-2
votes
1answer
68 views

Cannot get LAMP stack working on Ubuntu 14.04.2 LTS

I have Ubuntu 14.04.2 installed as a virtual machine (VirtualBox) in my MacBook Pro. I am trying to get my LAMP (Linux,Apache, MySQL and PHP) stack to run a web server, but I just cant get not even ...
0
votes
1answer
49 views

Resize terminal Emacs window to fit when resuming a Screen session from larger display in Ubuntu

Whenever I start a GNU screen session running GNU emacs (nw, so in terminal) on my desktop with a large monitor, then resume it on my laptop, emacs still thinks it's on a large monitor. This means as ...
0
votes
1answer
22 views

How to install Lan driver in ubuntu

I'm new to Linux and using Ubuntu 14.0. Actually I want to install Lan driver to learn networking with linux but I dont know how to install . I also searched but I didn't understand. So I need your ...
0
votes
1answer
35 views

how to scan non-default SSH port

for example port SSH is 4020 nmap 192.168.1.1 -sV The result is : PORT STATE SERVICE VERSION 25/tcp open smtp Postfix smtpd where is SSH port ? I try command below to test ssh ssh ...
41
votes
2answers
5k views

Why would the Wi-Fi connection on my smartphone perform better than the same connection on my laptop?

The download speeds while connected on Wi-Fi to the same router—an ADSL2+ Wireless N300 Modem Router—seems to be significantly faster on my phone than on my laptop. This problem doesn’t occur all the ...
0
votes
0answers
35 views

GRUB Rescue During Windows 8.1 Clean Install

I was trying to install windows 8.1 (upgrading from windows 7) on my laptop, and in the process remove my Ubuntu partition. During the setup I deleted all existing partitions (windows and ubuntu) and ...
0
votes
0answers
33 views

VM crashing on installation in VirtualBox

Installing Ubuntu 12.04 server amd64 on VirtualBox 4.3.26 on OSX 10.10 I select the language then select the default install option, and, after a split second of text scrolling by, the whole VM ...
0
votes
0answers
38 views

Error installing Ubuntu on VirtualBox

I'm trying to install Ubuntu 14.04.2 (x86 and amd64, both fail) on VirtualBox 14.3.26 on OSX 10.10 and I'm getting the following error: [ 0.000000] Fast TSC calibration failed.] Strangely, I was ...
1
vote
2answers
119 views

Cannot resize screen for Ubuntu VM in VirtualBox

I installed Ubuntu 14.04 LTS amd64 desktop on VirtualBox 4.3.26 which is running on OSX10.10 (amd64) and the only option for screen resolution is 640x480. This resolution is found under the System ...
0
votes
1answer
30 views

Sublime User Keybindings Error

I am running sublime text 3 on Ubuntu 14.04 LTS. I added the following line to the user key bindings: { "keys": ["ctrl+alt+shift+s"], "command": "save_all" } Following this forum: Sublime Save All ...
0
votes
0answers
40 views

Can't access mysql db on Azure Ubuntu VM

Trying to access the DB from a remote system - tried with a Wordpress install and get "erro trying to connect to database" and also tried just using a test php file and get a white screen - no errors ...