0
votes
0answers
9 views

lost all files in home directory while creating a new user for hadoop

I tried to install Hadoop in Ubuntu 12.04 created a new user for hadoop and then I lost all the data that I had in my home folder but there is no change in the amount of memory(secondary storage) ...
1
vote
1answer
11 views

how to install lxterminal 0.2.0-1 (vivid) in Lubuntu 14.04

How to install this specific version of LXterminal in Lubuntu? I have tried synaptic package manager but it tells me that my lxterminal it's up to date. Thanks
1
vote
1answer
3 views

Troublesome Paraview installation with 12.04 LTS (and not with 14.04 LTS)

As I try and install Paraview on a desktop running Ubuntu 12.04 LTS with sudo apt-get install paraview I receive a lengthy warning, whose most worrisome part is The following packages will be ...
0
votes
1answer
19 views

Does the internet runs slower when the display is off?

I have an application which runs in background(it connects to internet and does some stuff) but it seems that when the display is off is works very slow or almost stops. Is this a setting or ...
0
votes
0answers
12 views

Missing arm64 packages on 15.04

I am trying to install tightvncserver and xfce or lubuntu-desktop on ubuntu 15.04 but apt-get doesn't find the packages I ran apt-get upgrade and update but still no help I'm a doing something ...
0
votes
0answers
4 views

Have to re-add ssh keys to ssh-agent every time in yakuake

I just recently changed over to KDE and installed yakuake as my terminal and every time I fully exit yakauke or restart I have to restart my ssh-agent and re-add all the ssh keys to the agent. Why? ...
0
votes
0answers
6 views

Problem with i5 NUC and acroread

I recently upgraded my hardware to a new Intel i5 NUC with 8 GB of DDL3L. Previously I was running 14.04.3 with a dual core Pentium and a Samsung SSD. I moved the SSD to the new machine and rebooted. ...
0
votes
0answers
7 views

ubuntu emulator image and sdk 15.04

I'm developing an application using the sdk 15.04 but i tried all the images available on the emulator and cant find one with that sdk installed and for that reason i can not run my app on the ...
0
votes
0answers
3 views

how can i using scanner at printer 4 in 1 ricoh Aficio 1515 mf

i have printer Ricoh Aficio 1515 Mf 4 in 1 mutifun i installed it autumnally and she is working but working only printer I cant use the scanner and i installing scanner applications and not working ...
0
votes
1answer
22 views

Can't boot ubuntu from usb

I have several times tried to boot ubuntu from usb, because I need to delete som old windowsfiles after moving windows from the hdd to the sdd. I used the stick to install ubuntu on my laptop, but ...
1
vote
1answer
15 views

Lubuntu stopped booting desktop, just goes to command line

I was trying to get the text right on my TV monitor so I was messing with xorg.conf. Well, I didn't see one so I ran the command sudo nvidia-xconfig. That added the file so then I added Options "DPI" ...
0
votes
2answers
18 views

Installing Ubuntu within XP

Recently my laptop with Ubuntu installed on it, finally gave up. I have removed the HDD and mounted it in an external casing and plugged it in to my desktop which runs WinXp. On my Ubuntu machine I ...
0
votes
0answers
4 views

Touchpad mouse problem for Acer Aspire One 722

After installing chromixium, my built-in synaptic mouse does not work. Can anybody please help me? I'm using a usb mouse while looking for ways to fix this.
0
votes
0answers
14 views

First time install

I'm installing Ubuntu for the first time and when I try to install it, it freezes on the purple screen with the ubuntu logo and the loading "balls". Please help Kind regards Framigan
2
votes
0answers
12 views

Switching from systemd to upstart

In Ubuntu 15.04 it is possible to switch from systemd to upstart. Will this ability be retained going forward?
0
votes
0answers
17 views

Windows 7 boot animation is broken, after installed Ubuntu(14.04 LTS) along side windows 7

Today I've installed Ubuntu - 14.04 LTS in my Notebook which has previously installed windows 7. I have installed ubuntu with USB pen drive and selecting along side windows 7. After installed when I ...
0
votes
1answer
30 views

Firefox always crash on startup after last updates

After the last update of Ubuntu sudo apt-get update Firefox won't start anymore. It always show crash error on startup and i tried to reinstall it and change profile and even purge installation. It ...
0
votes
0answers
15 views

Problems with updates

Since trying to install Skype and Dropbox I have come across the following issues in Synaptic Package Manager: E: Type ‘echo’ is not known on line 2 in source list ...
0
votes
0answers
7 views

creating object for path '/org/freedesktop/NetworkingManager/ActiveConnection/4' fail in libnm-glib

I downloaded the network manager packages, and tried to install it but it show the error A later version is already installed Can you help me to download offline package and how to install it ...
0
votes
0answers
6 views

Dual boot Menu does not appear

first of all I am a beginner I installed ubuntu mate to dual boot with windows 10 but after installation the usual dual boot menu does not appear and launches directly into mate what should i do i ...
0
votes
0answers
5 views

Quick and dirty free tools to design and deploy a simple (and good-looking) event anouncement website?

I am looking for tools on Ubuntu to quickly design and deploy (on a local server) a simple and good-looking event announcement website. I am already running a django-driven apache deployed web app. ...
0
votes
0answers
3 views

ap-hotspot connects to android but not kindle

I have a kindle voyage and a nexus 7. I used ap-hotspot but while my Nexus connects without any problem, kindle always shows connection failed. Any fixes please?
0
votes
0answers
10 views

Can not fully reset default theme on Xubuntu

I've installed MACbuntu theme before to make Xubuntu looks like MAC , but later I revert back to my old theme ,everything goes back to normal except Apple logo as shown in the picture , Any help ...
1
vote
1answer
18 views

how to install ubuntu in vmware?

I am using window-8.I want to install ubuntu in virtual environmemt. I have tried to install ubuntu in VMware.I didn't know how to do it? please give your useful suggestion?
0
votes
0answers
10 views

Controlling mouse scroll with keyboard

Using xkb I've managed to control mouse buttons with the keyboard. I simply added these lines key <BAR> { [ Pointer_Button1 ] }; key <LEFT> { [ Pointer_Button2 ] }; key <RGHT> { [ ...
1
vote
0answers
9 views

Lubuntu, Sony HDTV as monitor, text display issues. Please help!

earlier today I set up my Sony TV to be my monitor. When I did, I just disconnected my normal monitor and plugged right into my tv. Everything was fine when I did that. But then I reset my computer ...
1
vote
0answers
7 views

Why video played by VLC media player are blurred compared to MPV media player?

Image 1 is VLC media player image and Image 2 is MPV media player image respectively. Details as follows: Video Details: Format: x264 1080p .mkv File size: 10.5 GB VLC media player ...
0
votes
0answers
5 views

Google Chrome ignores XmodMap key mapping

My laptop Down arrow key is stuck on, so I have used Xmodmap to remove the mapping of that key with the following command: xmodmap .Xmodmap The contents of my .Xmodmap file is just the single ...
1
vote
0answers
10 views

Wrong home dir in sftp

I set up an sftp server with openssh but when I connect to it I cannot browse my folder. The answer to pwd command is: / What is my error? Here is my configuration: Added in /etc/ssh/sshd_config: ...
0
votes
1answer
16 views

Icons all missing - blank desktop

15.04 - Unity - This morning, all my icons, as well as the top bar, went missing. I've tried everything I've found here (commands for re-installing unity, etc) but nothing has helped. I HAVE ...
0
votes
0answers
7 views

How to Identify existing MTA on my Ubuntu server?

I am a beginner for Ubuntu Server and have very little knowledge about it. We have a running instance of Nagios Core from a production server TEST-1 (Ubuntu 14.04.2). It was set up before i joined ...
0
votes
1answer
17 views

Nagios is sending mails manually but alerts are not coming

Alert mailing is configured from a gmail id to avoid spam catchup. Nagios alert mailing is working fine while trying manually using 'mail' command. Which clearly means, nagios is capable of sending ...
0
votes
0answers
11 views

/dev permissions misconfiguration

I'm having a problem with permissions on my devices. I used Kubuntu-based Netrunner distro, vivid-based. Problem: After some software installation, all my SDL-based apps (Dosbox, etracer) suddenly ...
0
votes
0answers
6 views

wifi-direct: p2p_find FAIL

I need your help to resolve “p2p_find” FAIL message. Below is the complete description of my setup. I want to establish wi-fi direct connection between two Dell Laptops running on Ubuntu 14.04.3 LTS. ...
0
votes
1answer
19 views

Replace Windows 10 with Lubuntu

Im on a HP Mini 110-3800 with a Intel Atom CPU N455 (1.66 Ghz) and 1 GB RAM. Since both Windows 7 Starter as well as the upgraded Windows 10 are both too slow for this netbook, I want to replace ...
0
votes
1answer
9 views

vlc player is not displaying video but audio works

I had installed a vlc media player from Ubuntu software center recently. It worked for sometime but then the instead of the video only a blank screen is displayed with the audio. Even the same videos ...
0
votes
0answers
10 views

Opening System Settings changes Display Settings

I've got a new laptop at the office where I've installed 14.04.3 64-bit. The laptop is a HP Probook 650 G1, which is on the Ubuntu certified hardware list ( ...
0
votes
0answers
14 views

Learning python in a virtual environment

I am a beginner user of ubuntu and I am currently using ubuntu 14.04.03 lts. I would like to learn python and to be precise I would like to start with python 3.4.3. I would also like to set up a ...
0
votes
1answer
22 views

lsusb command not found

I've installed Ubuntu on an external drive and it don't see my usb dongle. I am complete novice with things Linux. After doing some digging I found that step 1 was to run lsusb. But that set of ...
0
votes
1answer
26 views

Ubuntu 14.04 how do i log back in without password

Hi computer geeks and nerds, i am in no way a computer guru. My sony viao S series laptop decided to break after just a year. My hard drive failed meaning it held all my work and files including ...
0
votes
1answer
15 views

Ubuntu won't boot because of grub

A couple of days ago i booted Ubuntu and got a black screen with text saying (grub rescue>) I've tried different tutorials on how to repair/restore grub but i get (error: attempt to read or write ...
0
votes
0answers
14 views

Link Error With Cross Compiler

I built a cross compiler for powerpc-eabi using this tutorial Wiki.osdev.org/GCC_Cross-Compiler I followed it exactly except for the target but now when I use it to compile an empty c file ...
0
votes
0answers
11 views

Running apache2 server on ubuntu docker container

I am working on Ubuntu 14.04. I recently started to learn docker and I have a Ubuntu 14.04 container. I want to install and run apache2 on this container to get my hands dirty in cloud and servers. ...
0
votes
2answers
24 views

Can Ubuntu computers have network viruses

I know Ubuntu doesn't have viruses but if you do download something that has a virus that could infect windows, could it spread through the network and infect a windows PC on the same wireless network ...
0
votes
0answers
7 views

Maximum resolution problem when external monitor is connected via KVM Switch

I use a laptop with Ubuntu (15.04) and output on monitor (LG E2240). Everything is OK, the maximum resolution is 1920x1080 ( the maximum resolution supported by the monitor). When I connect a KVM ...
0
votes
0answers
4 views

After running a bluetooth audio device, can't see any devices in sound settings even though sound works

After running a bluetooth audio device and stopped doing it now audio works but in sound settings I can see no device and can't use fn or anything to change volume from system
0
votes
0answers
13 views

Unable to browse when on VPN (OpenVPN) and UFW in place

I have set up an OpenVPN server using a script. I have set up the following UFW rules: 22 ALLOW IN Anywhere 1194/udp ALLOW IN Anywhere 22 (v6) ...
0
votes
1answer
9 views

Nmap Error when using the “–script” arg

i just installed the nmap network scanner, and when i try to use it whith the "-script" parameter, it doesn't work: example: soufiane@soufiane-cvc:/usr/local$ nmap -p143,993 -Pn –script ...
0
votes
0answers
11 views

Don't have any sound device in sound settings but sound is working

After connecting a bluetooth speaker and disconnected, now in the sound settings it can see no device of any kind even though the sound is working. but I can't lower the sound or anything it doesn't ...
1
vote
1answer
16 views

One or more prerequisites required to install Kaltura failed

I am following https://github.com/instructure/canvas-lms/wiki/Kaltura-setup-instructions to install Kaltura. But I am getting issue in sudo php install.php step. ...

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