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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Unable to configure qemu on Ubuntu 14.04

I'm trying to configure QEMU on Ubuntu 14.04 (x64): $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.1 LTS Release: 14.04 Codename: trusty ...
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10 views

Synapse Launcher, Segmentation Fault when typing; changing xim output to ibus

I'm getting an error, "Segmentation Fault" when I try to type in at the Synapse Launcher. Very similar to Joe Gibken in this bug report, I tried changing the xim output to ibus but I can't seem ...
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9 views

I reinstalled ubuntu and now I don't see my RAID drive

I originally had a Ubuntu 12.04 system with RAID5 array that I built using mdadm. Due to issues with graphics drivers, the 12.04 system crashed and I had to reinstall the operating system. After ...
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17 views

Ubuntu OS Desktop Screen Zoomed In Too Far

I'm running Ubuntu Linux on a Virtual Machine using VMWare Player. When I first installed Ubuntu everything was smaller than I prefered and was hard to read so I messed around with a lot of settings ...
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1answer
11 views

pdftk under Tomcat - permissions for generated report file

I have a server with Ubuntu 12.04 and I have a Servlet under tomcat that is used to split PDF files. When the file is uploaded to the Servlet, It opens an external process (using commons-exec) and ...
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11 views

Enabling Virtualization in a dual boot

I have a dual boot system with Ubuntu 12.04 and Windows 8 installed and a grub loader appears at startup for OS selection. I have installed vmware in my Windows partition, and it requires Intel ...
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1answer
15 views

move mdadm raid to new system

Have a 4-drive Ubuntu mdadm raid in a system whose motherboard (ASUS N1996) failed permanently. I tried putting the 4 drives in another system with a different motherboard, but when it came up it ...
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1answer
15 views

Permanently block distro package installation?

I'm using a package provided in a PPA on Ubuntu. I use the PPA version because Debian's version is anemic to the point its effectively broken. Today, when I went through the cycle of apt-get update ...
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8 views

Xubuntu - give Apache access to user directory

I'd like to serve up a CakePHP website from a user directory: /home/myuser/Documents/project/app/webroot Everything I've tried results in 403/Forbdden when I try to access it via a browser. I've ...
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1answer
35 views

Windows 7 fresh install, not booting but shows a black screen with blinking cursor

Our laptop has two OS installed: ubuntu and windows 7, and it has about 4 partitions: swap,home,root,windows 7. I moved ubuntu to the first partition before windows 7 but I don't have any problems ...
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1answer
8 views

logind.cof file in ubuntu 12.04?

I have heard that the logind.conf file should be in /etc/systemd/logind.conf. however, it doesn't appear there, and a file search reveals that it isn't ANYWHERE. So what file replaces logind.conf, or ...
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1answer
48 views

Install recent linux version in old computer?

I have tried to install several distros and versions of linux (Ubuntu and Lubuntu, from 13 to 14.04, and Mint 17) without success. Everytime the system blocks while loading the installation. I can ...
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5 views

Convert interlinked html files to a chm or pdf file?

I am under Ubuntu. How can I convert interlinked html files (already downloaded in my computer) to a chm or pdf file? There is a html file that has a table of content that links to other html files. ...
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1answer
14 views

Prompted for root password even with sudoers edited with NOPASSWD

I'm trying to configure my sudoers file so that I'm not prompted for a password every time I need to access root privileges. I'm still getting prompted for my password, so if anyone has advise on ...
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17 views

How do I get my virtual machine to be recognized as host?

Just started using VirtualBox. Got Windows 7 on host and Lubuntu on guest. My internet provider has this thing where if you connect to internet using a new computer, you can only access their website ...
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20 views

USB hard drive not showing up under /dev/

I'm running Ubuntu 14.01 on a BeagleBone Black with LXDE. I have a USB hard drive that auto mounts (a prompt comes up in LXDE and I have to enter my password) if I connect it after the computer have ...
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6 views

Mouse buttons for copy/paste buffer no longer working for the Terminal program on Ubuntu 14.04

For some reason after upgrading Ubuntu to 14.04, the Terminal program suddenly decided that the text I select on it is no longer to be copied to the clipboard. Usually I'd select some text with the ...
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7 views

Can't access Apache2 running on Vagrant box

I'm trying to set up Apache2 on a Vagrant box, and otherwise it's working great, but I can't access the server via my external ip. The Vagrant box is running Ubuntu 10.04 on a VirtualBox provider, ...
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2answers
46 views

Running Ubuntu 14.04 on Virtualbox at 1920x1080

I have created a Ubuntu 14.04 VM on Virtualbox 4.3.16 (running on Windows 8). I have installed all of the Ubuntu virtualbox-guest* packages. The highest screen resolution that I can set in the ...
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1answer
32 views

How to login via telnet to a LAN PC?

I am trying to login to my friends PC. We both are using ubuntu 14.04 LTS. I told her to install telnet by typing the commands sudo apt-get install telnetd and sudo /etc/init.d/openbsd-inetd restart . ...
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1answer
20 views

eclipse not started from command line in Ubuntu 14.04

I installed latest version of Eclipse at /opt/ directory in my Ubuntu 14.04 machine. Then I created a soft link to open it through command line: sudo ln -s /opt/eclipse/eclipse ...
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1answer
37 views

lshw shows wrong CPU count

I have a Samsung NP550P7C laptop with an Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz Under Ubuntu 12.04 32bit, lscpu and /proc/cpuinfo detect 4 CPUs but lshw only shows 2 CPUs Could there be some sort ...
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12 views

Is it possible to use Wubi in installing Ubuntu in a legacy BIOS Windows 8?

I have a question for you. I have Windows 8 that have a legacy BIOS. And I want to dual booth my laptop with Ubuntu as my 2nd OS. In my first attempt to do that. My OS can't boot any of my OS. So I ...
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7 views

xls2csv skipping bool values when converting

I'm attempting to use catdoc -> xls2csv on an Ubuntu 14.04.1 OS to convert and .xls file to a .csv file. All of the values are converting correctly except in the last column which contain TRUE/FALSE ...
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1answer
18 views

Ubuntu equivalent command to Windows tasklist command

I have a couple lines in PHP to check if a specific process is currently running on my server. If the process is running, I include a script that is used in to interact with said process. Below is the ...
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1answer
14 views

.bash_history does not exist

Working in AWS I created an instance of Ubuntu 14.04 and noticed the history was not preserved between login sessions. Further investigation showed the .bash_history file did not exist. Why was a ...
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24 views

Computer won't boot to a windows 8 iso usb

I have a problem I installed ubuntu without making a partition, so I deleted windows from my computer.I want to go back to W8, but after making a boot usb I plugged it on my netbook and the boot ...
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11 views

default ownership of www in ubuntu

I just installed a newest Ubuntu Server. $ cat /proc/version Linux version 3.13.0-35-generic (buildd@panlong) (gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1) ) #62-Ubuntu SMP Fri Aug 15 01:58:42 UTC 2014 ...
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13 views

How to put a windows recovery drive and ubuntu on one usb

I am trying to get a usb to have three partitions. One will be for just storing files, one will be for running Ubuntu, and one will be used as a windows 8.1 recovery drive. I tried partitioning my ...
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20 views

Ubuntu 14.04 hangs at “[2.688088] Switched to clocksource tsc” (Intel Pentium 4)

I installed Ubuntu Server 14.04 on a Pentium 4 machine but booting the System hangs at: [2.688088] Switched to clocksource tsc I've tried all the Grub kernel bootoptions listed in this post: Linux ...
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1answer
22 views

Creating bootable disk image on a separate partition, is it possible?

I want to create a bootable image of Ubutnu on my external 1TB hard drive (Seagate). The problem is, I have important files on it (about 200GB), and mounting an ISO file to it, as you know, requires a ...
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1answer
66 views

Access Cisco VPN with Ubuntu 14.04 64bit

I have to connect to a Cisco VPN with Ubuntu 14.04, starting with a pcf configuration file and the user credentials. I installed network-manager-vpnc, created a new connection importing the saved ...
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17 views

Teamviewer without monitor

I have a remote Ubuntu 14.04LTS. with Teamviewer 9. Enabled on system startup. When a monitor is plugged in the remote, everything is OK. When I unplugged and restart the remote, a teamviewer message ...
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1answer
11 views

Fatal error (bad field count) while configuring Postfix

I'm using this tutorial to configure a mail server using postfix, dovecot and mysql. While configuring Postfix I have to uncomment the following lines and then restart Postfix with service postfix ...
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1answer
23 views

bash auto-complete separates strings

Let's say I'd like to cd to the directory containing all albums by the artist "The Ghost of a Saber Tooth Tiger" so I start typing cd ~/Music/The\ Ghost and hit [TAB] [TAB]. At this point bash ...
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8 views

Y-E DATA FlashBuster-U is not working with Ubuntu kernel

I'm using the latest Ubuntu kernel. And I can't use it at all I just get these buffer IO errors - usb 3-3: new full-speed USB device number 3 using ohci-pci usb 3-3: New USB device found, ...
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19 views

Edit bootable img file on mac OSx

I have downloaded a bootable image of ubuntu (7.95Gb .img file) for a Parallella (minicomputer), but its too big to fit on my 8 Gb micro sd card (which actually is only 7.8 Gb!). I would like to ...
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2answers
28 views

Having trouble in Ubuntu with dual monitors

I am having trouble with Ubuntu 14.04 LTS and getting my GUI to show after trying to get my dual monitor setup working (worked just fine with one) with AMD R9 270 graphics cards. I am tired of working ...
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31 views

How to recover data from BitLocker encrypted drive after format in Ubuntu

I had NTFS drive with 4 partitions C:, D:, E:, F:. E drive is BitLocker encrypted. While installing Ubuntu, I have accidently formatted the whole drive. I have used TestDisk along with live Ubuntu ...
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65 views

locked out of the BIOS by hackers [closed]

Hackers got into the BIOS of my laptop, and actually locked me out of the BIOS. Tech support had to flash the BIOS 3 times before it would 'take'. Can you tell me what to look for in the BIOS or ...
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22 views

Linux Mint 17 cannot connect to wired connection

I have just installed the latest Linux Mint after running into this problem with Ubuntu and thinking that was the culprit (Linux Mint 17, Cinnamon 64bit and Ubuntu 14.04.1 LTS were what I have been ...
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31 views

Unable to mount a 1TB external drive on Ubuntu

When I plug my external hard drive in the USB port, it doesn't get auto mounted. So I did a sudo fdisk -l but was unable to find an entry for my external drive. Then I did a dmesg and found the ...
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11 views

How can I install Matlab to Ubuntu for all user accounts?

I try to install matlab to ubuntu server for the use of all possible user accounts. How should I install Matlab for that or where should I locate its installation ?
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10 views

TeamViewer Mac keyboard layout on Ubuntu

I'm using Mac OS X 10.9.4 with TeamViewer 9.0.31181. I use iMac keyboard, but when I remotely control a Ubuntu Desktop, the "delete" button has no response and arrow keys generate abnormal keystrokes ...
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1answer
34 views

cannot execute binary file in Linux

if i install spring tool in Ubuntu server it says the following error message. bash: ./spring-tool-suite-3.6.1.RELEASE-e4.4-linux-gtk.tar.gz: cannot execute binary file please any one help to me.
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Ubuntu 14.10/Windows dual boot system reboots instead of shutting down

I have a Ubuntu 14.10/Windows 8 set up that, when I choose to shut down, the system powers down for a few seconds but then automatically restarts. The OS's are on two separate drives and the issue ...
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23 views

What is the “quality” of a Wi-Fi access point?

In Debian you can use iwlist to scan nearby Wi-Fi access points. In the statistics like this: Cell 01 - Address: CC:B2:55:XX:XX:XX ESSID:"X" Protocol:IEEE 802.11bg ...
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10 views

AMD-V not available to nested VMs?

I'm using an Ubuntu 12.04 virtual machine as part of my personal development environment, which is run through VMWare Player on Windows 7. Now, from this Ubuntu machine I'm trying to use 'vagrant up' ...
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15 views

dovecot WILDCARD SSL (certicate.crt, private.key, intermediate.crt) not working

I have installed dovecot and postfix and got it working, but when I change the ssl_cert_file, ssl_key_file and ssl_ca_file dovecot configuration to my WILDCARD SSL certificate (working on apache) it ...
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1answer
24 views

connecting to wifi using ubuntu terminal

I would like to know how i can connect to wifi using ubuntu terminal...first i gave the command "iwconfig wlan0 essid key " but then it said that it doesnt have permissions ..so i added the "sudo" ...