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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Ubuntu unzip error: sysmalloc assertion failed

I'm trying to unzip a multipart zip file (that I had originally zipped in Windows using WinRAR). The file consists of 4 parts: me.zip and me.z01, me.z02, me.z03 and me.z04. The command I'm using to ...
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27 views

How to deal with growing BIND9 log files

My DNS server's logs are the text files that growing too fast and one of them is already over 30 MB in size. I didn't set up the max. file sizes. I would prefer just to manually delete the lines ...
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57 views

Won't standby, usb_bluetooth refusing to freeze

I am running Linux Mint 17.1 Rebecca on a Yoga Pro laptop. The laptop will only go into standby once and then will not until it is restarted. When attempting to standby it will freeze for 20 seconds ...
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42 views

Using xampp on ubuntu

I have installed XAMPP on Ubuntu and trying to run a project developed on Windows on Ubuntu. I am getting 404 page not found permission. I guess it is due to permissions and ownership but I can't ...
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217 views

Bridged Networking Problem with VirtualBox

I'm running an Ubuntu Linux guest in VirtualBox on a Mac host running OS X EL Capitan 10.11, and the guest isn't connecting to the host's Wi-Fi. It's set to bridged networking, using the regular en0 ...
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84 views

Can't install EncFS

I have a 32GB SSD in my laptop and PCManFM 1.2.0 is showing 14.5GB free at the bottom right corner of the screen in the status bar. However, when I try to install an application such as encfs, I ...
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40 views

Simple way to view who is currently connected to my AP. Linux Network-manger or nmcli

I have setup an Hotspot with Linux Network-manger. I used these instructions Fine tuning Network manager in AP mode to configure the Hotspot to to run in ap mode (as opposed to ad-hoc). I would like ...
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57 views

Folders and files lost from Desktop

All my folders and files were lost from my Desktop yesterday. I can not find them. I wanted to have two Firefox profiles on Ubuntu 14.04 so I followed this tutorial. After I run Firefox profile ...
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63 views

Why wpa_supplicant doesn't get new ip when reassociate?

/etc/network/interfaces: auto wlan0 iface wlan0 inet dhcp wpa-conf /etc/wpa_supplicant.conf /etc/wpa_supplicant.conf update_config=1 ctrl_interface=DIR=/var/run/wpa_supplicant network={ ...
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148 views

Problems updating BIOS via Ubuntu

I have a Compaq Presario V4000 laptop currently running version F.03 BIOS. After spending a while looking through HP and Compaq's websites, Archive.org and Google, I determined that the BIOS updater ...
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160 views

Synaptic Package Manager & Software Manager Not Opening

In Linux Mint 17, when I try to open Synaptic Package Manager or Software Manager from the gui, the popup appears to enter my password. Yet when I enter it correctly, nothing happens; neither window ...
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355 views

Enabling triple-head setup with two Nvidia GT730 (Ubuntu)

After installing a second Nvidia GeForce GT730 in the hope of overcoming a single card's limitation of only being able to support two monitors, I still cannot get a 3rd monitor working. I keep the ...
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37 views

Saving state and config data in bootable usb

My system hard disk has crashed, So now I want to run the OS(Linux mint or Ubuntu) from a bootable usb, but I don't know how to configure to save any config data so that it persist after rebooting ...
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145 views

Reduce size of Gnome 3.10/3.14 Title Bar

I need to reduce the size of the title bar on all Gnome applications on an Ubuntu 14.04 Gnome 3.10/3.14 installation. The recommendation of adding configuration to .config/gtk-3.0/gtk.css did not work....
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28 views

How to set grub command for other distros on Ubuntu

I am currently running Ubuntu and Fedora on the same system. I am using the instance of grub which came with ubuntu to select which one to use when I boot. I need to add rdblacklist=nouveau to the ...
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81 views

Why doesn't Ubuntu (and Mint) install a boot sequence

I've tried to install a new Linux operating system and I've tried different flavors (x)ubuntu, Mint etc. With and without encryption, with and without LVM, but I'll always get the same error. When ...
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35 views

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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91 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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367 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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60 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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91 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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85 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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81 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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255 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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209 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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305 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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190 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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74 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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979 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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252 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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82 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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406 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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159 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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129 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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34 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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90 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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29 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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33 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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204 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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283 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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167 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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61 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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785 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.