Ubuntu is a Linux distribution with an emphasis on ease of use and installation. Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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Exchanging huge file trees between disks

I have two 1TB disks and a huge file tree on each. Each takes up about 85% of their disk. I want to swap/exchange the trees between disks. The only spare (USB) disk that big I have is nearly full. ...
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86 views

Having trouble setting up an Ubuntu/Windows 8 dual boot

I hope I'm not posting this in the wrong place (and if I am, please direct me to where you think would be a better place to post it) as this doesn't relate entirely to Linux and is really more to do ...
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38 views

How to redirect sys log of ubuntu running on virtual machine to host?

I have ubuntu installed on my VM(Vmwarefusion - version 7) running on my Mac book Pro. I am actually doing kernel development by writing kernel modules on ubuntu. If have a kernel crash, sometimes my ...
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330 views

IDS uEye camera stream

I am using an IDS uEye XS USB camera (https://en.ids-imaging.com/store/produkte/kameras/usb-2-0-kameras/ueye-xs.html) and my problem is that according to the sdk description it does not have V4L or ...
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32 views

Restart custom daemon when dependencies were updated

I have the following problem/requirements: On a Ubuntu 14.04 LTS system I'm running Subversion installed from an external repository (WANDisco). This repository is well maintained and provides ...
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53 views

Can't find where modsecurity.conf and .load file are located?

I am using LUbuntu, which is Ubuntu 15.04 I have apache2 installed, and I compiled modsecurity from source code. I start apache as usual: sudo service apache2 start and then I checked what modules ...
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87 views

Encrypted boot drops to shell, how to set LVM crypttab consistently? 'ALERT! {logical volume path} does not exist'

I used Luks to encrypt my whole hard drive, and created that sda drive as a physical volume. Under that volume, I create a volume group vg00 with my 3 logical volumes lv00_root, lv01_home, and ...
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84 views

Suspending fails when a USB mouse is connected

When I try to suspend my Ubuntu 14.04 (with KDE environment) using sudo pm-suspend it fails unless I disconnect USB devices, e.g. USB mice and flash drives. Is there a way to solve this problem?
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78 views

how to read a nand?

There is a NAND Flash drive embedded into the motherboard I am using. Linux by default does not read NAND Flash, how can I modify my system to allow me to read the NAND flash drive like any other ...
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65 views

Why does my Elementary OS show an ubuntu logo?

what happened to the elementary os logo? why has it changed to an ubuntu
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251 views

BTRFS RAID6 array is broken, how do I fix it?

I have a server running a btrfs raid 6 array which seems to have broken. When try to mount it I get the following error message. I don't know how or why it broke maybe a power outage or something (it ...
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186 views

Best practice for django app deploy location?

I would like to hear from other developers where they deploy their django (python web-app) app code on the filesystem (own server)- not django itself, but the project custom app code. I'm on Ubuntu ...
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289 views

Ubuntu 14.04 stuck at login screen

So right before I had this problem I tried to install AMD GPU drivers, via the website and followed a video tutorial (links below). After I restarted, every time I tried to login, even as a guest, it ...
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56 views

How to enable output during debian/ubuntu preseeding

I am setting up a preeseded configuration with a somewhat longer running d-i preseed/late_command, in fact downloading and executing an ansible playbook. I am running a simple menu system with ...
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67 views

Encryption Using Xubuntu with a Keyfile and Password

I am somewhat of a novice with Linux. I was going to use Veracrypt for full disk encryption and then boot to Xubuntu after using a keyfile and password (not even sure if this is possible with ...
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181 views

Gnome 3: how to enable desktop actions in dock entries?

In Unity, it is possible to add desktop actions to dock items (eg, you can add a "New Private Window" action to firefox.desktop and it would appear as an option when you right-click the Firefox icon ...
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69 views

How Remove permission denied with GRANT USAGE ON mysql

I have a mail server in my ubuntu instance. I have a webserver management FROXLOR and i recieve errors for access denied when i try to login in mail account. The log for this: Aug 16 03:14:33 email ...
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906 views

lpc_ich: Resource conflict(s) found affecting gpio_ich

I use Asterisk 11 in my Ubuntu Server 14.04, but I Have some problems with my Dahdi Driver, with conflits Please see the dmesg (null) [ 11.804460] Adding 2052092k swap on /dev/mapper/...
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248 views

Unable to install mysql-server-5.6

My website was running fine on server version 5.5, but now it hangs on the installation of version 5.6. I've tried removing it, purging it, even removing the /etc/mysql folder, then reinstalling it ...
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79 views

Ubuntu 14.04 VM resizing in VMWare fusion 7 whenever a terminal is opened?

On a computer at work, we have a virtual machine running that resizes the whole VMWare window whenever you launch a new CLI terminal window within the VM. Any ideas how to fix it? It's quite annoying. ...
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387 views

Ubuntu 14.04.2 LTS: for NIS users, SSH works but console login and sudo fail

I set up a fresh Ubuntu 14.04 LTS VM on VirtualBox and did an upgrade, so now I'm sitting at 14.04.2. Our office environment is NIS+NFS. I set up autofs and NIS, and confirmed that I can log in as a ...
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139 views

Using Ubuntu Server machine as a DHCP and DNS server to forward URL's to IP addresses

I'm inexperienced with Linux servers but I've done okay so far - basically I want this machine to dish out IP addresses via DHCP (done) and then I also want it to act as a DNS server that simply sends ...
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112 views

GDM is flashing and I can't login

I recently switched to Ubuntu GNOME from Windows and am very inexperienced. I was using Ubuntu fine for a while. But this morning I had trouble signing in because my login prompt continuously ...
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26 views

Miro player doesn't recognize subtitle from video encoded by ffmpeg

It was the first time I encoded a video on Ubuntu. I used ffmpeg to extract the video/audio, encode them and join with a subtitle to a new file. All these steps were fine. I used the following ...
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33 views

Why can't I view a folder in the Files navigator, when permissions are 766, owned by me?

I have the following mounted drive: caleb@ubuntu-box:/media/data/plex$ ll total 20 drwxrwxrw- 5 caleb caleb 4096 Jul 11 13:29 ./ drwx------ 3 caleb caleb 4096 Jul 10 19:48 ../ drwxrwxrw- 4 caleb ...
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88 views

Weird Wine dependency problems on Xubuntu

I'm on 64-bit Xubuntu 14.10. Nvidia graphics with the proprietary drivers, if that matters. I just ran apt-get update && apt-get upgrade, so I should be up to date. My CPU architecture is ...
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28 views

Booting the already installed Ubuntu 14 from the VirtualBox installed in Windows 7

Like the Titles says, i was wondering if there is any way to start ubuntu System in VirtualBox from Windows 7 which is already installed on harddisk
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30 views

Rabbitvcs not showing lock owner

I have installed rabbitvcs in my ubuntu 14.04 system. It's working well in it. But it's not showing the file lock owner when locking some already locked file. It just says failed lock. As I show in ...
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195 views

Ubuntu 14.04 - Multiple Griffin Technology Powermate Knobs

I am running Ubuntu 14.04, and I want to run multiple griffin powermate knobs: https://store.griffintechnology.com/powermate. I want to map them to different keys other than audio control. I want to ...
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271 views

Gnome Terminal Colors not displaying correctly, Vim too

Gnome Terminal Monokai Theme (Colors are wrong) I downloaded the Monokai theme and my blues and greens are clearly off. Gnome Terminal Monokai Theme Vim Issues Also I am using 256-grayvim theme ...
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164 views

Wifi keep on disconnecting on Ubuntu

I am using ubuntu. wifi works great on my laptop. I am facing problem with one particular wifi router (I think Airtel Binatone) installed in my company premises, Here are some logs 1) sudo iwlist ...
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60 views

TelosB mote and TinyOS

I am trying to Blink LED on TelosB mote. I have installed TinyOS but I am having an issue with the make command. Could anybody be able to help?
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725 views

How do I persistently set the MTU for a PPTP VPN connection in Ubuntu?

I have a M$-based VPN connection that I connect to every so often. After connecting to the VPN server, I need to run sudo ifconfig ppp0 mtu 1200, So that I can log on to the server, or else ssh client ...
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18 views

RDP enters command prompt automatically

Why is this? I did remote desktop connection from mac to ubuntu server. I get a command prompt automatically for some reason.
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262 views

Installing a light vim colorscheme on gnome-terminal

I'd like to install a light color scheme for my vim, but it never seems to work (I tried several now). What I'm trying to obtain is something like you can see in this screenshot of mayansmoke: ...
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179 views

Can't boot Windows XP from Grub2 in Ubuntu 14.04.2

I can't boot my Windows XP OS on a dual boot with Windows XP and Ubuntu 14.04.2. I already tried the command update-grub without improving. I can see the menu entry in Grub but when I choose Windows ...
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35 views

Can you install & boot linux from a specified folder?

The Situation: I have access to a computer in the university, but no root rights. I already installed Ubuntu on a USB Drive and I could boot and run Ubuntu, but the computer has only USB 2.0 and I'm ...
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331 views

How to disabled nvidia graphics card and start using intel hd 4600

I use UBuntu 14.04 LTS. I have cpu i4790k with hdgraphics 4600. How to disable my nvidia graphics card and start using intel hd 4600 ? Should I change something in bios or it is possible from the ...
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965 views

Starting Wait for Plymouth Boot Screen to Quit

I'm struggling to install Kubuntu 15.04 on my PC. I've got a GTX 970 which i think is throwing off the trial mode from starting up. nomodeset doesn't work, so I tried nouveau.noaccel=1 to beget this ...
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175 views

Backing up/restoring a full VPS, can't boot from live media

(My question here is specifically about Ubuntu, but I'm posting it on Unix & Linux because I think the answer will apply to Linux in general. I'm more than happy to reformat the question or move ...
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123 views

Backing up VPS via SSH/SFTP

I'm going to perform some maintenance on my VPS (Ubuntu Server 15.04), and I would like to back up some files before doing so. The problem is that some of these files are under other users' home ...
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265 views

Ubuntu 14.04 using 100% swap space, with more than 40GB free memory, why?

I'm a bit at a loss trying to figure out why this would be the case. Can anyone provide some helpful ideas on troubleshooting this? $ free -m total used free shared ...
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237 views

Passthrough PS/2 keyboard to guest OS

OS Windows run on VM (ubuntu, libvirt, qemu-kvm). And I have PS/2 keyboard on host hardware. Is there any way to pass it to guest OS without lost of performance (maybe emulate USB keyboard with keys ...
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73 views

Running Elementary OS on MacBookPro10,1, get random resolution changes

I recently installed Elementary OS (Ubuntu-based) and every now and then my resolution drops down to a super small size that messes with my mouse-tracking and pretty much makes any application ...
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46 views

after reboot server, service start without special chars

I write simple Java server. This service (java server) connect with mySQL database. I am connecting with this service by socket connection. Everything work well when i start my service by line ...
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172 views

grub-mkconfig generates duplicate entries for an Ubuntu/Gentoo dual boot setup

I'm currently running Ubuntu (Xubuntu, specifically) as the primary OS on one of my systems. I've been building up a Gentoo installation on a new logical volume on the same system and I'm at the point ...
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133 views

Ubuntu on dell chomebook 11 crash on install*

I recently got a dell chromebook 11. I promptly installed crouton. then croutons had sound errors so I uninstalled it and decided on chrubuntu. It worked until it a lot crashed as Well. Finally I ...
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40 views

oem-bt-ar-9462-dkms error in Ubuntu

I am new to ubuntu and Linux and i was recently prompted to install new updates and this error keeps popping up. Is there any way that i could resolve this? I am not sure what to do here and any help ...
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334 views

Error during ubuntu upgrade (errors were encountered while processing)

I am trying to upgrade my ubuntu from 11.10 to 14.10 but I got this error message when I ran sudo apt-get -f install errors were encountered while processing: /var/cache/apt/archives/udev-204-...
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314 views

Samba File Server Configuration and Sync for Redundancy

I have two boxes which I installed Samba on. For now, I have a single user that access the server, however, I need to expand as to deploy in a production network. Below is what I want to achieve. ...