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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1answer
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Where is Host-only Networks setting on VirtualBox 4.3.12?

I'm using VirtualBox 4.3.12 r93733 (with Ubuntu as guest OS, and Windows 7 as host OS). Trying to configure a Host-only Network, I expected to see the following window (or similar): However, ...
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0answers
6 views

lvextend gives insufficient suitable allocatable extents for logical volume set even free extents

I have one LVM with 4 physical disks (created with -i 4 option). I added 2 more disks to VG and trying lvextend which is failing. Below show I have 1TB of space Free in VG. $ sudo vgs VG #PV #LV #SN ...
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32 views

Upgrade KDE Plasma 5.2 to 5.3 in Kubuntu 15.04 Beta 2

I tried looking for a way to upgrade the KDE plasma version of my Kubuntu 15.04 Beta 2 to the latest one, 5.3. But there isn't much reference online about how to do it, expect using Unstable Kubuntu ...
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1answer
24 views

Explore .raw file?

I have a .raw file that is a snapshot of a hard drive. I'm trying to explore the contents of it on my Ubuntu computer, however I'm not sure how to go about doing this. Is there a way to mount it and ...
0
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1answer
20 views

Linux — How can I run a script after a video has finished playing?

I want to add the default emblem to videos I've finished watching. Any straightforward, non-manual way to run a script if and exactly if a video has finished playing? Can be for any linux ...
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2answers
12 views

VLAN trunking on interface only pingable from hosts on its VLAN

I am trying to set up subinterfaces on my Ubuntu 14.04 server for each VLAN. I believe I have successfully set them up using vconfig, but the subinterface is only pingable from hosts on its own VLAN. ...
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0answers
9 views

Not able to run php files on apache server using NetBeans IDE

I want to create a php project using NetBeans IDE. I have set a LAMP server on my ubuntu 14.04. So I had to configure the IDE to copy files automatically to the apache server.I followed this - ...
2
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1answer
30 views

Mount only specific USB stick

I am trying to configure a Linux (Ubuntu 14.10) so that it will only mount a specific USB stick from one specific USB port. Can someone point me into the right direction on how to do this? Thanks
2
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1answer
10 views

How to start a desktop session without x and also runs a script?

I have a Ubuntu server with LXDE for development, now how would I create a .desktop file to start a session that doesn't startx but actually logs me into a regular tty1 session and also runs a ...
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0answers
7 views

Ubuntu gnome package installation error

When trying to install insight from some ppa repositories i get these errors. sudo apt-get install insight Reading package lists... Done Building dependency tree Reading state information... ...
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2answers
19 views

LUKS partition automount fails at boot

I have an encrypted Ubuntu 14.04 Desktop setup. The encrypted root partition is created using the Ubuntu installer default parameters (choices "Erase disk and install Ubuntu" and "Encrypt the new ...
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0answers
8 views

How to recover from bad VBox Guest Additions build?

I'm using Ubuntu 14.04 (fully patched). Last week, the kernel took an update. So I [virtually] inserted the VBox Guest Additions CD and then proceeded to build it. I don't recall having any problems. ...
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1answer
23 views

How to RDP machine “C” from machine “A” when machine “B” is in the middle

Ok, I'm working on a rather complex network arrangement so I'll try my best to be clear. There are 3 PCs: A, B and C. A: Ubuntu 12.04, the one on my desk: it's part of an intranet 125.1.x.x/16 B: ...
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0answers
12 views

Force color printing to use only black for greyscale areas

I have an Epson WF-7610 that I'm printing to from Ubuntu (from a PDF with Adobe Reader, over the network). I'm printing out a lot of mainly black and white documents with greyscale images, but with ...
2
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1answer
20 views

Permanently disabling touchscreen from Windows in a cross-operating system way

I have a laptop that came with Windows 8.1. The touchscreen was broken, and now randomly taps on one side of the screen; as this takes over the cursor, the laptop becomes unusable when the touchscreen ...
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0answers
15 views

Recovering accidentally deleted folder on ubuntu 14.04 [duplicate]

I have a Rails application that accidentally deleted an entire folder instead o a single file. I would like to recover the deleted folder, not a partition or anything else. I looked in the home ...
3
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1answer
35 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
11 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 ...
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1answer
12 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 ...
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0answers
21 views

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

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, ...
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0answers
12 views

Minecraft Classic keyboard not responding [on hold]

I am trying to play Minecraft Classic (https://minecraft.net/classic), on firefox with openjdk java 7. I can use my mouse, but none of the keyboard's key works, it is like they are broken. How can I ...
2
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0answers
14 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 ...
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0answers
42 views

Dual Monitor setup detected as single screen

Two similar monitors display the same picture and shown as single monitor under Ubuntu in System Settings -> Displays. This is DELL Latitude e5550 laptop and both displays are connected via two DVI ...
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0answers
2 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 ; ...
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2answers
33 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 ...
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0answers
11 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, ...
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0answers
20 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 ...
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0answers
12 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 ...
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0answers
10 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 ...
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0answers
13 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 ...
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0answers
32 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 ...
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0answers
16 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
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1answer
13 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
10 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, ...
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0answers
11 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] ...
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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 / ...
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0answers
14 views

How to launch RubyMine upon Ubuntu startup?

I'm new to linux, and I was trying to find the right command to open RubyMine. After some research, I came across a path to a file that would start the program from the terminal. I use it below. I ...
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0answers
25 views

How to recover Data, Displaying bad sector error? [closed]

Can any body help me in data recovery, My HDD corrupted, I Tried phtorec and TestDisk in Ubuntu 14.04, It was coming all results with bad sectors.i guess sectors get damaged. Is their any way around?
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0answers
15 views

Use existing physical ubunu as a Virtual Machine in new installation of Windows 7 [closed]

I'm using Ubuntu 14.04 on my laptop as normally physical installation. Because of work, I have to install Windows 7 to works on that OS, but I still also have to use Ubuntu for other work. So that I ...
0
votes
1answer
9 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 ...
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0answers
27 views

Browsing a unkown website did freeze firefox/ubuntu

After checking my access.log of my apache2 server (up2date) i got 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
36 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 ...
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0answers
10 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
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1answer
11 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 ...
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0answers
24 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
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1answer
30 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 ...
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0answers
17 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
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1answer
28 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
61 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 ...
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0answers
23 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 ...