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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25
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9answers
1k views

Uninstalling programs on Linux

I've been using Windows and Mac OS for the past 5 years and now I'm considering to use Linux on a daily basis. I've installed Ubuntu on a virtual machine and trying to understand how I can use Linux ...
0
votes
0answers
24 views

Install linux os on HP iPAQ Pocket PC h4350

A friend gave me a working HP iPAQ Pocket PC h4350. It works fine (it's really nice device) but has a (UGH!) Microsoft os and only syncs with MS pc. I'm running ubuntu mate. I have found that you can ...
0
votes
0answers
11 views

Iprint client on ubuntu

I installed ubuntu on my computer at work. I would like to use the iprint client and followed these steps. However, if I try to run the listener in /opt/novell/iprint/init.d it tells me: Can't open ...
0
votes
0answers
33 views

Elementary OS: Accidentally installed Ubuntu Login Screen

When I restarted my Elementary OS Laptop today I was shocked, because I was on an Ubuntu-styled glitching Login Screen. I guess I accidentally installed it, by trying to get ubuntu-tweak-tools on my ...
1
vote
0answers
68 views

How to set Ruby GEM_HOME and GEM_PATH

I'm a NOVICE user of Linux and using Linux mint 17.1 I've reinstalled Linux mint 20 time in last 3 days for that issue but could not fix it I'm trying to install ruby on rails using rvm what ...
7
votes
2answers
110 views

Cursor is huge on Ubuntu due to high resolution monitor

So I have a 4k display, and for some reason Ubuntu decides that it's a good idea to give me a huge cursor instead of something normal. I don't have any DPI settings on the 4k monitor, and I don't want ...
0
votes
4answers
47 views

Unix with few packages

I want a clean unix OS, just with two packages: gnome-session-fallback & usual ubuntu terminal. I want to minimize the space of my OS take. How can I create this custom OS & install them ...
0
votes
1answer
20 views

Launch Win 7 from Grub Terminal?

I a newbie to Linux and tried to install Ubuntu via Win 7 from my SD card where I used a program to mount the is file. I launched the installer from Windows and I asked the program to reboot and it ...
1
vote
2answers
92 views

Unmet dependencies when trying to build chromium browser on Ubuntu 14.04

I am trying to install the necesarry dependencies for building Chromium on Ubuntu 14.04, and I am facing the following message: The following packages have unmet dependencies: g++-4.8-multilib : ...
0
votes
1answer
34 views

Not able to reinstall the kernel or to use the latest version

On a ubuntu server, I try to di "sudo modprob" and I have this error : $ sudo depmod [sudo] password for deployer: depmod: ERROR: could not open directory /lib/modules/3.8.0-38-generic: No such file ...
0
votes
2answers
42 views

how to check a kernel version which was used when building package

I use apt when downloading packages from Ubuntu repositories. How can I check which kernel version was used when building package? When it is important (kernel version of the build server vs. kernel ...
1
vote
0answers
31 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 ...
1
vote
1answer
36 views

Is it possible to reclaim files after incorrect unmount?

When I first began using Linux (~10 yrs ago) I used a USB univ. drive adapter to mount an external hard drive. Unfortunately, I was not aware of the unmounting procedure so, when finished, I just ...
0
votes
0answers
26 views

Latest version of Ubuntu Won't login to GUI

I'm assuming this is an issue with UNITY because I can log in just fine at the command line. When I boot up my most recent kernel, I enter valid credentials but It just keeps kicking me back to the ...
0
votes
0answers
24 views

Themes app not showing preview for installed GTK themes (Window borders and Controls) in Cinnamon

I have installed Cinnamon in Ubuntu using a ppa. The problem I have is that newly installed GTK themes won't show previews in Themes application. Here are the screenshots. .As you can see the Window ...
0
votes
0answers
36 views

Upstart job does not trigger (Xubuntu 14.04)

I'm in the process of learning how to use Upstart. I wrote a simple job as a test (file is /etc/init/uptest.conf), using a custom event to trigger it manually: start on uptest task exec touch ...
1
vote
1answer
25 views

How can I “reset” aptitude?

I've inherited an Ubuntu 12.04 server where package management is completely messed up. Any aptitude command fails with errors like this one (for every installed package, as far as I can tell): dpkg: ...
0
votes
1answer
27 views

Auto reconnect to wifi once disconnected?

On Ubuntu 14.04, I am using a usb wireless adapter to connect to a wireless network. The connection is often disconnected (I have tried to solve the problem, but I don't know why. That is another ...
4
votes
1answer
54 views

Circular dependency in Ubuntu Release upgrade

The title is the best way I could describe this error. Basically the packages kbd, console-setup, console-setup-linux, and keyboard-configuration all depend on each other. So I cannot remove, ...
0
votes
1answer
23 views

virtualbox on os x lags when not active

I am running ubuntu server as guest inside virtualbox on os x 10.10.x host While the system works, it lags whenever the virtualbox window is not the active app. E.g. I log into ubuntu from terminal ...
0
votes
0answers
44 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 ...
0
votes
1answer
18 views

How to solve nsf-common related error when install zsh in ubuntu?

Everytime I install some kind of package, at the last phase, apt-get install could return a common-nfs related error. Why the installation can't be done without this error? detailed pastebin here ...
-1
votes
0answers
30 views

Why does newer version of Ubuntu and Linux Mint hang after install and which is the best alternative?

I am trying to install either Ubuntu (Ubuntu 14.04.2 LTS) or Linux Mint (Linux Mint 17.1 Rebecca) in my Desktop. I downloaded installer images multiple times and tried to install in my system. Every ...
1
vote
2answers
44 views

mysterious program crash: where to look for clues?

On Ubuntu 14.04, I often experience the following: open an application, and within 15 seconds or so the application window simply disappears from screen. If I ps aux | grep nameOfApplication it will ...
1
vote
2answers
43 views

Duplicate sources in Ubuntu 14.10's APT files, are they OK?

So I was preparing to upgrade to ubuntu 15.04 and I was going through and cleaning things up and this is one of things that stood out to me. W: Duplicate sources.list entry ...
1
vote
1answer
87 views

Linux - rendering performance after switching from nvidia to nouveau drivers

I use UBuntu 14.04 LTS. I have purged all nvidia proprietary drivers and currently my system use Nouveau driver. Here is an output from glxinfo | grep OpenGL : when using nvidia propietary drivers ...
1
vote
1answer
30 views

How to associate physical usb port with usb device number

I'm using Ubuntu 12.04. I need to send a command to a device that I have connected on a port of my PC. I can send the command by finding out what the Bus and Device number are. For example, lsusb ...
0
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0answers
7 views

auto boot a java app fullscreen on lxle

I just downloaded a base version of LXLE. How can I configure the system whereby on startup, it'll launch a java app full screen (covering everything possible). The only way to navigate out of it is ...
3
votes
2answers
152 views

Can't boot, task btrfs-transacti blocked for more than 120 seconds, how to fix this?

My computer was set up to boot Ubuntu 15.04 via UEFI. I have two disks. My first disk /dev/sda is a 128 GB ssd formatted as GPT, containing an EFI partition and a btrfs partiton with subvolume @ ...
1
vote
1answer
29 views

Simple Radius authentication

I'm looking into using Radius as an authentication server for a few Ubuntu servers when accessing through SSH. I have tried using libpam-radius-auth but it doesn't work quite as I need. My goal is to ...
4
votes
4answers
345 views

Is /etc/rc.local a good place to run a script before any (normal) user can log in?

I have a Ubuntu 14.04 Server which, during boot, should sync some stuff over the network before any normal user can log in (over ssh). I was wondering whether calling the script from /etc/rc.local is ...
0
votes
0answers
10 views

How do I write commands to a ttyACM0 device and obtain the resultant information data using C/C++ [migrated]

I am currently stuck with a task of retrieving data from a decoder that monitors 6 joint positions of a robot arm. This device has a USB interface that runs as a serial CDC device. An ASCII command ...
1
vote
1answer
34 views

Pass SNMP trap packet to a php daemon on Ubuntu

I have a Ubuntu server which is collecting incoming SNMP traps. Currently these traps are handled and logged using a PHP script. file /etc/snmp/snmptrapd.conf traphandle default ...
0
votes
0answers
76 views

UBuntu 14.04 LTS - switching between nvidia proprietary driver and nouveau driver

I use Nvidia proprietary drivers but I also have installed nouveau driver. How to switch to nouveau driver and then back to nvidia driver without uninstallling drivers ? Reboot is acceptable. By ...
-1
votes
1answer
23 views

How do we remove installed packages in damnsmalllinux distribution(debian)?

I'm currently running damnsmalllinux distribution and I want to remove certain packages from the desktop like the beaver but I can't locate package to in /etc/init.d/ to remove How do I remove the ...
0
votes
0answers
26 views

Oracle VirtualBox Virtual machine automatically goes pause state

Virtual machine goes Pause state Automatically. And Error message shows in one box " An error has occurred during virtual machine execution! The error details are shown below. You may try to ...
0
votes
1answer
48 views

Unarchiving a downloaded tarball with Ansible

I'm trying to get WordPress downloaded and installed via Ansible and I can't seem to figure out what I'm doing wrong here. First I download via the get_url module then I attempt to use the unarchive ...
0
votes
0answers
20 views

Custom Copy Function?

I want to be able to select text in a browser, file, etc, use a shortcut and send that text to a file. The idea is, select an YouTube URL, hit CTRL + [button], the URL gets saved in a file and then I ...
0
votes
0answers
33 views

multicast routing (forwarding) using mrouted from OpenVPN tap interface to LAN

Brief network diagram: Host "S" < Tap OpenVPN > Host "C0" < eth0 > Physical Switch < eth0 > Host "C1" According to mrouted document, it doesn't need to config anything for receiving ...
0
votes
0answers
29 views

Graphic glitches: Linux vs. Hardware, who is guilty?

I am having serious graphics glitches on my Ubuntu 14.04 LTS install on my new Thinkpad X201 i5 540, 2x2GB RAM. I tested the Memory Changed the kernel (3.14, 3.19) Did a BIOS update The glitches ...
0
votes
0answers
16 views

“VPN connection failed” when ufw is on even if there are no rules in ufw interface

Ubuntu 14.04 After update related with ufw and switching nvidia drivers back and forth, suddenly, I can't establish VPN connection to internet. I've deleted all rules and reseted profile in ufw ui but ...
0
votes
0answers
33 views

ubuntu lts and cgroup support in iptables

I don't understand why Ubuntu community built iptables without cgroup support and what I don't understand if community didn't make it? Maybe Ubuntu use another some way (iptables without cgroup etc)? ...
-1
votes
0answers
46 views

A mini iso for a (Ubuntu LINUX) install w/ wifi support - A base system CLI - ONLY

Just as it says in the title I need a mini iso that i can put on a USB or CD (both) that will let me install a CLI with the regular needed packages that that system needs and nothing else plus the ...
0
votes
1answer
33 views

Why my terminal screen crashes?

Sometimes my system gets freezed, after that my icons looks crashed and the terminal fonts are also crashed Whenever I restart it looks normal, how to fix this?
0
votes
2answers
52 views

Why will a linux usb boot on my personal pc but not on school computers?

I'm enrolled in a linux class right now and one of our assignments was to make a bootable flash drive. My friend is also in this class but he didnt know how to do it so I just made one for him. It was ...
0
votes
0answers
33 views

can I boot ext4 usb stick with xubuntu on from a Mac laptop?

is there a way to boot my ext4 formatted "xubuntu" USB memory stick from a Mac laptop? The laptop can identify FAT32 usb memory sticks with ubuntu at boot time, but it cannot identify mine, which is ...
0
votes
0answers
38 views

Did Ubuntu fix the Docker Security Flaw? [migrated]

I read an article that said that Docker was insecure, and that this is why Core OS was created. Then a short time later, I read an article that Mark Shuttleworth of Canonical / Ubuntu fame was ...
1
vote
0answers
81 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 ...
0
votes
1answer
10 views

How to use Mac Camera on Ubuntu Desktop

I am trying to feed my mac's camera into my ubuntu desktop. Any advice on either how to do this or the proper forum/resource to use to find out?
0
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0answers
30 views

Using Ubuntu as a SOCKS Proxy for Torrents - How to allow UDP for trackers?

This is my build: 14.04 LTS (GNU/Linux 2.6.32-042stab094.7 x86_64). I'm a complete noob at linux but have some experience in bind and ISC DCHP on some old solaris boxes (to define the audience!). I ...