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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Update kernel to 4.1.1 in Ubuntu Mini

I'm using Ubuntu Mini 15.04 and I want to update the kernel to the latest 4.1.1. I've been looking online but there are so many different ways. I've tried some but always ran into some error. I am ...
1
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1answer
19 views

Multiple questions about mounting multiple partitions (in Ubuntu 14.10)

I've got a question about how the linux mount command works when used multiple times. Through an unfortunate series of events (multiple crashes in Ubuntu), I've decided that I wish to simply back up ...
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1answer
14 views

Remove Ubuntu strings from Mini install

I have an assignment to remove a string from Ubuntu Mini v. 15.04. How would I remove the Ubuntu String on the top? It says "Ubuntu 15.04 hostname tty1". I just want to remove Ubuntu 15.04 string. ...
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1answer
2k views

How to fix error 'xrandr: cannot find output “VGA1”'?

I am trying to enable a HDMI connection to a monitor connected with a HDMI cable to my Lenovo laptop using the following commands. > xrandr xrandr: Failed to get size of gamma for output default ...
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0answers
37 views

Why do I get “duplicate” local IP addresses on different interfaces?

I have two network interfaces(a wireless and an USB dongle) attached to an Ubuntu server and both get the same local IP address. Is there any reason for this or a way to force it assign distinct IP ...
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2answers
9k views

What is the command or hotkey for stopping a running program in DrJava?

I installed DrJava about a week ago. Its been working fine so far but I ran into an infinite loop and wanted a way to stop the program from running without having to force DrJava to quit. Is there a ...
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2answers
8k views

How do I resize GNOME shell top bar

I am on Ubuntu 12.04 and installed gnome-shell, but I found the top bar is larger than it normally is, how can I change its size?
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3answers
542 views

Hide all open windows on Ubuntu 12.04 LTS

Is it possible to have a button on the side bar to hide every open window on Ubuntu 12.04 LTS?
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1answer
27 views

Remove branding from custom kernel

I have an assignment to build a custom kernel which removes all the drivers/plugins that are not needed and also remove any traces that it is Ubuntu's. Basically, my teacher wants us to strip it down ...
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1answer
48 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 ...
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1answer
18 views

Problem booting Ubuntu (or any OS), even after doing clean installs

Summary: OS (Ubuntu / Windows) installs fine, but when the time comes to restart and boot, it doesn't boot. (Gets stuck; screen blinks and I am still at boot selector). Can boot to a live ...
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0answers
30 views

ssh publickey authentication to a Ubuntu running inside VirtualBox

I have a Ubuntu running inside a VirtualBox inside my Windows 8 desktop. I am trying to communicate between the Ubuntu and another Debian server in the network. I have enabled Port Forwarding in ...
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1answer
2k views

Consistent network interface name ubuntu using pci slot

One can set consistent interface naming via mac address by modifying /etc/udev/rules.d/70-persistent-net.rules. Can you establish consistent interface naming by PCI slot number? (I tried but failed) ...
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1answer
517 views

Grub2 lost in new Linux distro install

So, I really need some help. Recently I was using a dual boot machine on the same hard drive. I had Windows 8.1 and Ubuntu GNOME 14.04. When I installed Ubuntu on top of my Windows install, I didn't ...
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1answer
64 views

hard drive formatted while Linux setup, lost partitions

I have installed Ubunto 14.04 on sda1. but after the installation finished, all the partitions are gone . I have important data on sda5 , and when I run the following command : sudo fdisk -l in the ...
3
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1answer
2k views

Need to auto-login after logout on ubuntu

I've set up a kiosk using Ubuntu 12.04, and I'd like to have it autologin after a user logs out or if the screen locks, in case someone manages to get back to lightdm or tries to login to the ...
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0answers
17 views

Is High Virtual Memory usage a problem or may cause problems?

In our server, we have a python based code that (simply) listen ports. The amount of Virtual Memory it uses is increased greatly with time Like: USER PID %CPU %MEM VSZ RSS TTY ...
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0answers
27 views

On what level is touch screen support implemented in Linux?

I'm trying to use a Linux OS on my tablet PC (Lenovo Thinkpad Helix 15). I tried Ubuntu, but except for switching and moving windows and bringing up the launcher, there doesn't seem to be a lot of ...
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4answers
2k views

How come I installed Ubuntu 64 bit on a Pentium 4 machine?

I have just tried booting the Ubuntu 10.10 64 bit live USB on this machine and to my amazement everything works fine. I even installed the system, after which I checked with uname -a and the result is ...
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0answers
20 views

Setting up my Linux machine with multiple hard drives

I've recently made the switch to a copy of Elementary OS Freya (Ubuntu 14.04) and so far, really been enjoying it coming from a Windows background. After fumbling around a little, I got my 1TB Seagate ...
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2answers
233 views

init.d script not being run on boot

My script is not running on boot in a vagrant box under Ubuntu. My script looks like this - #!/bin/bash # /etc/init.d/mailcatcher ### BEGIN INIT INFO # Provides: scriptname # Required-Start: ...
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0answers
22 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 ...
2
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1answer
170 views

variable name lost when tab completing to export an environment variable with a path

I'm trying to setup an environment variable using tab completion, e.g. snowch$ export JAVA_HOME=/usr/lib/jvm/java-6-oracle/ I used to be able to tab complete the folders after typing the export ...
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3answers
102 views

how can I build older version of gcc?

I am on Ubuntu 14.04.2 32 bit platform and I have gcc 4.8.4 installed. I want to build old version of gcc (2.95.3) to compile older version of linux kernel. I tried to follow this gcc-2.95.3 and this ...
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2answers
12k views

rsync is very slow (factor 8 to 10) compared to cp on copying files from nfs-share to local dir

I have a freshly installed Ubuntu-server which is ought to be the new backup-server for our VM-storage. The server has 4 nics, 2 of them 10Gbit (in fact an intel x540-T2 with the newest driver ...
3
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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 .... ...
1
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1answer
39 views

CasperJS and PHP In Cron Job Cannot Open Files, Works Fine When Run Manualy

I recently got a new DigitalOcean LEMP environment with Ubuntu. I tried making an SH script that uses CasperJS to scrape data from an external website to a JSON file, and a PHP script to parse the ...
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3answers
5k views

D-Link DWM-156 HSPA USB Modem doesn't work with SIM card inserted

I have a D-Link DWM-156 HSPA modem, that I bought just a few days ago. The modem has drivers in its internal storage. There are Debian packages (.deb) for both i386 and amd64, so obviously I installed ...
2
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1answer
525 views

Granting SAMBA rights and privileges requires root password

Given a default Ubuntu installation, I get the following myusername@EARTH:~$ sudo bash root@EARTH:~# net rpc rights grant myusername SePrintOperatorPrivilege Enter root's password: Failed to grant ...
3
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1answer
618 views

Ubuntu freeze after upgrade installation interrupt

I was upgrading my Ubuntu distro and shut down the laptop in the middle of the installation process. Upon restart, I only get a black screen with these messages: Starting Hardware RNG entropy ...
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0answers
13 views

Xfce not working on Chromebook after recent Chromebook OS update: how to fix? [on hold]

A few days ago I followed a guide to install xfce (precise) on my Chromebook. I did this so I could install the arduino IDE. After a recent Chromebook OS update, everything seems to have gone to ...
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0answers
13 views

Synaptics touchpad inactive before suspend, active after resume

I'm running Ubuntu 15.04. I usually disable the touchpad. (because my palms make the cursor jump all over the screen!) When I suspend (by closing my laptop's lid) and then resume (by opening the ...
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1answer
433 views

Touchpad does not work anymore. How to reenable?

I dont know what I did and if it was my fault. But for two days my touchpad does not work anymore. Google does not help me. Fact that may help: I have no xorg.conf. Ubuntu system settings ...
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1answer
31 views

How to conect wi-fi network without using GUI?

I'm using Ubuntu Server 14.04, but I want to connect wi-fi network without using GUI? Exists an software for that?
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1answer
134 views

Using NVIDIA instead of Intel causes a different theme

My current setup is a laptop with an NVIDIA Optimus graphics card running Ubuntu 14.10 with Cinnamon as my desktop environment. I usually use the Intel card because of the reason I'm asking this ...
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0answers
19 views

Ubuntu ugrade to 15.04 grub2 bash

I had Ubuntu 14.04.2LTS and, today, I decided to execute the big update to Ubuntu version 15.04. I opened up the terminal and typed: do-release-upgrade. Ubuntu started upgrading and, while it was I ...
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2answers
36 views

How do I resolve package dependencies for a different target system?

(TL;DR: how do I determine the minimum set of packages to install, given an initial state and desired package list?) I'm creating an Ubuntu installer ISO for systems without access to distribution ...
1
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1answer
310 views

Synchronize software packages between different Linux distributions

Is there any way to synchronize software packages between different Linux distributions? There are several software packages that I need to synchronize between a Linux Mint installation and an Ubuntu ...
1
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1answer
44 views

Ubuntu 14.04 I can't get SSH tunneling to work with -g switch?

I'm running this command on myServer: ssh -g -p 9922 -f myuser@serverOnOpenInternet -L 1212:serverBehindFirewall:80 -N serverOnOpenInternet runs sshd on port 9922. (not my call) Once I run the ...
14
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1answer
626 views

How do command-line tools have their own autocomplete list?

How does Bash in Ubuntu know a tool's specific list of actions? For example if I type apt-get and tab twice I only see remove, update, upgrade ...etc, but not the actions for another command or the ...
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1answer
9 views

alsamixer not incrementing volume at proper interval

I am trying to use amixer to change the volume of the speaker on my computer at an incremental rate. The command below successfully changes the master volume of my speaker, but not at a consistant 5%. ...
0
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1answer
15 views

How to monitor the screen lock/unlock in the Ubuntu 14.04

I need to implement a function that monitor the screen lock/unlock. I referred the following article: Run script on screen lock/unlock My python script code works fine in the Ubuntu 12.04, but ...
0
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1answer
26 views

localhost troubleshooting (ubuntu 14.04) [closed]

What i was trying to do is installing "wordpress" in my local host on (ubuntu 14.04) i.e path is home/deepak/php Now what i did is this in terminal: ~$ sudo chown -R www-data:www-data ...
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1answer
945 views

org.eclipse.swt.SWTError: No more handles [gtk_init_check() failed] while running spoon.sh in ubuntu

When I am running spoon.sh file in Ubuntu I am getting the following error: [santosh@sbx data-integration]$ ./spoon.sh /home/decathlon/Pentaho-5.0.1/data-integration org.eclipse.swt.SWTError: No more ...
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2answers
6k views

How to show the tree view in left pane of Nautilus?

My question is similar to this one, however the answers provided are not sufficient. I'm a linux occasional user / learner, not having much background to understand what to do reading between the ...
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3answers
1k views

It's possible to make XTERM and Gnome-keyring work together?

When I'am connecting to ssh with gnome-terminal application opens gnome-keyring dialog, so I am entering password only once per session and I can reconnect to same ssh more than once without asking ...
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0answers
16 views

Netstat output line width limit

When executing netstat, I find that the command's output width is limited regardless of the console size, in contrast with other commands such as ps that seem to get adjusted. So for example: $ sudo ...
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0answers
18 views

Battery indicator problems after installing and uninstalling kubuntu-desktop package on Xubuntu 15.04 x64

A few weeks ago, I decided to get adventurous and install different interfaces on my Lenovo T420 running Xubuntu. I decided to jettison Kubuntu after trying it out (just not my style) and kept Xubuntu ...
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2answers
52 views

switching between shells, stops the music that is currently playing

While I was listening to music I changed the virtual console using Ctrl+Alt+F2, and suddenly the music was paused. Returning back to the console that runs the X server Ctrl+Alt+F7 or logging in to ...
2
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1answer
164 views

Block TTY echo to display

I have a minimal Ubuntu as a Linux server. It starts many scripts on startup. That is okay, but I want to disable tty1 to echo everything to display. When I start this server, a login prompt is ...