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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How to repair Ubuntu after upgrade? (from recovery mode)

I have gone through countless threads on the following error and none have helped. Your screen, graphics card, and input device settings could not be detected correctly. You will need to configure ...
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38 views

How to install ubuntu on live USB stick that I booted from?

I have a old netbook with single USB port and broken harddrive. I've somehow aquired a 16gb lubuntu 15.10 willy live USB. I want to use this as primary OS on my netbook. Since I don't have access to ...
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28 views

Installing Ubuntu and PostgreSQL database on different drives

I just received a new root server with the following drives: Disk /dev/sda: 480 Gb Disk /dev/sdb: 480 Gb Disk /dev/sdc: 240 Gb This one: ...
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LXLE defaults to non-graphic UI on boot, cannot launch LXDE

I installed LXLE (latest ubuntu LTS version w/ LXDE) on an old laptop. During the live session and installation, the GUI worked fine. During installation I chose "automatic login" and upon first boot ...
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37 views

set up UPnP/SMB on Ubuntu?

I have a Ubuntu 15.10 machine and I want to use my Desktop to stream videos from my laptop to my iPad in VLC, which is possible when my PC is booted into windows, I would like to do the same in ...
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1answer
34 views

Map F2 to replace the 2 key – also with Shift and Alt combination – in Lubuntu 14.04.3

I run a Danish keyboard layout in Lubuntu 14.04.3. The 2 key is malfunctioning (hardware problem). I wish to replace its use by the key F2. The F2 key value (i.e., the F2 key-press event) will then ...
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Is “<command> &” same as demonizing a process in Linux? [duplicate]

We all know that any command succeeded by ampersand (&) makes it run in the background. Can we use it instead of demonizing tools? For example: In order to run nodejs server, we use use packages ...
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3answers
3k views

Permission denied (publickey,gssapi-keyex,gssapi-with-mic)

Ok, so I have tried this quite a few times and I'm sure this is very trivial but: I am trying to SSH via command line on Ubuntu into my VM (Centos6) with an RSA key-pair I created using key-gen. I ...
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Newest, unstable version of Ubuntu somehow appeared in my sources.list

I used to use Ubuntu Trusty, on last Friday I started an "apt-get dist-upgrade" command. And it was a disaster. Almost everything stopped working. It appeared that it tried (and failed) installing ...
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1answer
88 views

Supervisord at 99% cpu usage

I've installed supervisord using: sudo apt-get install supervisor on my Ubuntu 14.04 server as per the instructions in the Laravel documentation. I've noticed that the supervisorctl process on my ...
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1answer
870 views

Make bluetooth device invisible / disable incoming pairing

I am using the bluez package for my bluetooth usb dongle on ubuntu server. I want to be able to initiate bluetooth connection from the dongle to a device, however a device itself shall not be able to ...
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2answers
2k views

Ubuntu 15.04 desktop frozen after login

I have just done a fresh install of Ubuntu 15.04 Server. After I log in, I see the dash and after a while just a black screen with the cursor on it. I have updated my nvidia drivers (sudo apt-get ...
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0answers
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Why I am not able to bind the interrupts with code LOC, IWI, RES when irqbalance is disabled?

On Ubuntu 14.04, I am trying to bind all the interrupts to core 0 and 1 out of 4 cores. I have disabled the irqbalance daemon via file /etc/init/irqbalance.override. Then I went to every interrupt in ...
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2answers
22k views

Set Ubuntu System Proxy Settings without Restart from commandline

I am using Ubuntu 14.04 . I want to change the http proxy settings from the command line. This should be equivalent to changing in the GUI(All Settings->Network->Network Proxy) and clicking the button ...
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1answer
35 views

Is Ubuntu “spyware” in the others *buntu too?

I have recently discovered about the "spyware" Canonical has put in the search bar in Unity. Although it is easily turned off, it is very unpleasant to use a system that did that. Since Xubuntu, ...
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0answers
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Does ubuntu touch / tizen offer fullscale pc level command line programs and options?

Android doesn't include full scale PC like command line experience. None of the GNU/Linux command line packages directly run on Android. Few have been ported but vast majority are unsupported. ...
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1answer
1k views

XBMC crash after selecting “play”. Ubuntu 14.04 and 13.0 gotham. Link to crashlog

I have a brand new machine with fresh install of Ubuntu 14.04 and I'm trying to run Gotham 13.0 on it. I've already added the restricted multimedia codecs (just in case) to Ubuntu. sudo apt-get ...
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2answers
32 views

What is Debian's equivalent of do-release-upgrade?

Ubuntu has do-release-upgrade. What is Debian's way or tool for the same purpose?
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No file is shown after boot. What should I do?

I have Ubuntu 15.04. Yesterday, after boot, nothing is shown, no file, no task bar and I can't do anything but entering the text mode (Ctrl+Alt+F1). On text mode, I can enter root mode and list all ...
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1answer
50 views

udev creates the right rules, but rights disappear as soon as I try to access files via C++

I'm facing a really strange problem using udev. As I already explained here I'm trying to access some folders/files as a no root user Here are my udev rules for the gpio folder: KERNEL=="gpio*", ...
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0answers
41 views

How to create a Music Mix video with kdenlive?

I am trying to use kdenlive (0.9.10) on Ubuntu 14.04 to create a simple music-mix clip (for youtube). This clip has a total length of about 90 minutes and is composed of several mp3 tracks, which ...
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2answers
3k views

Docker container not able to ping host

I am following this tutorial https://docs.docker.com/articles/networking/#between-containers I have used following commands $ sudo brctl addbr bridge0 $ sudo ip addr add 192.168.0.160/24 dev ...
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0answers
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How to setup audio from for lubuntu minimal install

Running a very stripped down lubuntu 14.04LTS x64 install. I installed xorg and openbox and was up and running! but I can't, for the life of me, seem to get any sound. I installed alsamixer pulsaudio ...
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Keyboard works in default Ubuntu desktop but not Openbox

I've got a Thinkpad Carbon X1 (the one with the annoying adaptive keyboard) which I've installed Ubuntu on because of it's support for all the hardware on this laptop. However, I don't like the ...
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3answers
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Installed Linux, now Windows doesn't boot anymore

I had a working Windows 8.1 which I used regularly. Today I needed Linux, so I chose Ubuntu and installed it from a bootable flash drive alongside Windows. Everything worked well, I could choose which ...
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Problem in booting from ubuntustudio DVD

I am new here, kindly help. On booting from Ubuntustudio 15.10 32bit DVD. It stop by giving copyright line and after sometime EDD error. I tried booting from Fedora23 32 bit DVD, from which I ...
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1answer
3k views

Cannot Start KVM VM Because Missing BIOS

Whenever I attempt to start a KVM VM on Ubuntu 14.04 with the "kvm" command, I get the following error: qemu: could not load PC BIOS 'bios-256k.bin' I have searched for this file and found it ...
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1answer
36 views

Running chown in bash script produces errors

I'm working on a script that downloads a file with bar:bar ownership, then changes the ownership to foo:server. So I wrote a side script(chown_test.sh) to implement the changing of the ownership via ...
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1answer
952 views

Curl Command PUT Method

curl -i -X PUT -H 'Content-Length: 1000' http://dfdc:dfdc@xx.xx.xx.xxx:xx/directory/ Above curl doesn't produce any response at Ubuntu shell prompt.
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Ubuntu changes Keyboard layout randomly on boot

English is not my native language so please be patient. Happy new year to all. This is not a vital question, but has become so anoyning that need to be solved ASAP. At work I Use a Notebook Lenovo ...
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1answer
50 views

Packages kept back during apt-get upgrade

I'm running Lubuntu 14.04.3 LTS amd64 version. I did apt-get update and apt-get upgrade which showed few packages have been kept back. These are mainly kernel related packages namely, ...
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Can't shut down ubuntu on macbook pro

I have a macbook pro MacBook Pro (Retina, 15-inch, Mid 2015) 2.8 GHz Intel Core i7 16 GB 1600 MHz DDR3 Intel Iris Pro 1536 MB I have a separate partition for mac and ubuntu. Ubuntu is the main ...
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1answer
3k views

Linker error: /usr/bin/ld: cannot find -lgcc_s

I am trying to compile symlinks (tar.gz-file), which is a very small tool with one line for compilation: gcc -Wall -Wstrict-prototypes -O2 -N -s -o symlinks symlinks.c which gives the error .... ...
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1answer
17 views

swap windows with dash script

I have written a bunch of dash scripts that resize and move windows for better efficiency. The structure is the following: i have a row of 8 windows that are stacked to the bottom of my screen, like ...
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1answer
27 views

unable to boot windows after installing ubuntu 10.04

I have a new HP laptop. I have deployed windows 8.1 & ubuntu 15. Recently I removed ubuntu 15 and deployed ubuntu 10.04. Installation have been completed successfully. But after restarting the ...
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1answer
31 views

APT repositories on Android

I am using a terminal emulator on Android called "Termux". It comes with the APT command installed. However, the repository is very limited. What I want to do, is to see if larger repositories like ...
2
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1answer
384 views

Reading the program header contents of an ELF file

How is it possible to extract loadable program headers individually from ELF files? By examining a binary using readelf one can get output similar to: $ readelf -l helloworld Elf file type is EXEC ...
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2answers
44 views

How to specify the python path for pip?

With pip installed, I am trying to install matplotlib in Ubuntu 12.04.4 LTS. I got the following error when executing "sudo pip install matplotlib" I guess this is because the python version is too ...
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1answer
1k views

dota 2 graphics problem in ubuntu 14.04

i installed ubuntu 14.04 in my laptop. then i installed steam and finally dota 2. but the graphics are very bad. i have amd raedon 7400 in my laptop. it seems like dota 2 is not running through my ...
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Kerberos in Ubuntu system

I would build a kerberos authentication system on Ubuntu based machines. I'm making it for a school project. So i have some questions: 1)What do i need to make client-KDC-server? Do i need a domain ...
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1answer
29 views

Deleting a file after X days does not work [duplicate]

Ive tried multiple ways of writing this and im executing the script myself so it isnt the crontab that isnt working. These are examples of what ive tried : find /home/backups -mtime +1 -exec rm {} \; ...
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3answers
1k views

Linux Permissions vsftpd

I have mybb installed and running in /var/www/forums. I have two users part of the www group, logan and www-data. I have the recursive permissions of forums directory set to: chmod -R 755 forums ...
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1answer
37 views

Resizing directories

I am not too familiar with how volume sizing works, but I have a VPS running Ubuntu 14.04, and I noticed the home directory is all used up. I have a 1TB drive on this machine, how can I allocate more ...
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0answers
65 views

Easiest *non-networking* method of communication between Linux host and Windows guest [closed]

I'm writing application software for Ubuntu which needs to communicate with another application running in a Windows Virtual Machine via Qemu on the same machine. I have full control over the source ...
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1answer
2k views

Powertop doesn't display Power est. column

When I run powertop, it doesn't display the "Power Est." column that shows the estimated power consumption in Watts of each row. It should look like in the screen capture here: MacBook Pro Retina: ...
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0answers
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using left mouse button to move window can cause freeze (XFCE4/Ubuntu 15.10)

I use xfce4 under Ubuntu 15.10. Fairly often some action with my mouse causes the cursor to change into the closed hand icon and my session freezes in a useless state. When this happens the cursor ...
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2answers
29 views

Error: GOPATH not set

I am trying to download aws package from github, but I am getting the error... Cannot download, $GOPATH not set. For more details see: go help gopath GO PATH is currently set to $HOME/go Can ...
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1answer
3k views

“PS/2 Generic Mouse” gets lost. How to reload without reboot?

I am running Ubuntu 12.04LTS on a ThinkPad E420s. My Trackpoint is recognized as "PS/2 Generic Mouse". My problem is that it doesn't load/disappears after booting or after suspension. I can't move ...
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57 views

X server can't open display in Ubuntu

I'm not very familiar with the X server display but I'm trying to use a debugger program called DDD and it needs X server to open up to use it. I get this error when I try to run ddd: Error: Can't ...
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remote osx split panes in ubuntu byobu

My Problem I have OSX 10.10, connect to a byobu in ubuntu 14.04 over ssh. I want to split panes vertically & horizontally. But ctrl+F2 & shift+F2 just gives me beep sound. Additional Info ...