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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6
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0answers
366 views

Is there a tool(!) to list assigned subuid and subgid values for users?

The question is basically in the title. usermod -v (--add-sub-uids) and usermod -w (--add-sub-gids) can be used to manipulate the subuid and subgid ranges for a user account, but there appears to be ...
5
votes
0answers
3k views

Mounting an MTP enabled device on Ubuntu 12.04.3 LTS 32-bit

My aim is to perform file operations on my Samsung Galaxy Note 10.1 (older edition) using Ubuntu 12.04.3 LTS 32-bit. This does not work out of the box as I plugged my device and saw myself. In order ...
4
votes
0answers
418 views

Compiling and running Snapper for Ubuntu

I am trying to get snapper working in my Mint 14. (The version from launchpad is old and not compatible with Ubuntu 12.10. The OpenSuSe's build project failed to build it, too). So I try my luck with ...
4
votes
0answers
389 views

8-bit input in gnome-terminal

I'm trying to switch from xterm to gnome-terminal but having trouble with alt keys. I have already disabled menu access keys, but I still need 8-bit inputs. In xterm I can set 8-bit inputs in ...
3
votes
0answers
27 views

high precision subsecond cronjob replacement

I am looking for a cron replacement which could run subsecond schedule, is there have any "still alive" project which serve this purpose? Currently running Ubuntu 14
3
votes
0answers
137 views

Grub rescue after corrupted hard-drive (“read-only filesystem”)

I run xubuntu 12.04 alongside a NTFS storage partition and a windows 8 partition. I moved my MySQL data directory off the xubuntu (ext4) partition, onto the NTFS partition, and did an import of a ...
3
votes
0answers
164 views

windows 7 reinstallation killed grub

I have been running dual boot windows7/ubuntu. Recently I reinstalled windows 7, and I no longer have the option to boot to ubuntu. I would like to be able to get my dual boot working again or at ...
3
votes
0answers
1k views

How to change position of unity launcher in Ubuntu?

How can I change the position of unity launcher?
3
votes
0answers
540 views

xorg memory leak

I've read this question but it doesn't seem to be the same issue, as the memory leak there is an order of magnitude smaller than mine and seems to be caused by Nvidia drivers.. Here's my top output at ...
3
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0answers
2k views

Autologin question with LightDM & Ubuntu 14.04

I have set up a batch of workstations at a library using DRBL. These workstations are running Ubuntu 14.04. I want these workstations to autologin to a specific user (a different one for each ...
3
votes
0answers
365 views

Linux - Only first virtual interface can ping external gateway

I created 3 virtual interfaces with different MAC addresses all linked to the same physical interface. I see that they can successfully arp for the gateway (gw) and they can ping (the request is ...
3
votes
0answers
580 views

Full disk encryption with dm-crypt (without LUKS)

I am currently trying to achieve full disk encryption using dm-crypt in plain mode without LUKS header with a separate /boot on USB stick. My main goal is to achive plausible deniability on a ...
3
votes
0answers
2k views

Is there a solution for when a system hangs on “switching to clocksource tsc” anyway?

Ok so this is exactly what I did yesterday, and what I have tried to solve the problem so far. The distribution is Ubuntu Server 12.04. What I have done just before the error appeared I added a new ...
3
votes
0answers
723 views

How do I switch to Linux (Ubuntu) on Chromebook?

For reference, the Chromebook model is SNOW FREMONT A-E 0878 I used Crouton to install Ubuntu on my Chromebook. In doing so, I had my computer in developer mode and wasn't able to save anything that ...
3
votes
0answers
293 views

What is the xcalib -screen number for the HDMI monitor?

I must use a VGA-to-DVI cable and a HDMI cable to run two monitors. I'm trying to invert the colors on both monitors but I can only invert one of them: $ xcalib -invert -alter -s 0 #works $ xcalib ...
3
votes
0answers
176 views

How can I crop a 1920x1200 monitor to 1920x1080?

I have just purchased a 1920x1200 monitor, and have some situations where I want to force the output to the more common 1920x1080. However, I don't want to distort the output, and would prefer a ...
3
votes
0answers
2k views

Running F.lux (Flux) or Redshift with Multiple Monitors with Nvidia Optimus

I have tried installing F.lux and then Redshift, and configured them to run on multiple monitors with no success. I wonder if my setup, which includes Nvidia Optimus setup using Bumblebee could be the ...
3
votes
0answers
52 views

How to add EBCDIC support on debian/ubuntu

I have to add EBCSIC text support to deal with IBM OS text messages. I have succesfuly added EBCDIC support to a CentOS box by adding lang and encoding to /etc/i18n/sysconfig. I searched in the docs ...
3
votes
0answers
113 views

Awesome WM loads personal rc.lua but then overwrites with system settings

I just started playing with awesome-wm. Sometimes, when I reload my config, the settings hold. Other times, I can see some settings take for a second, but then are overridden by the defaults. I ...
3
votes
0answers
314 views

What happens if I delete dmraid?

I am new to Linux and am trying to install Ubuntu 12.04.3 LTS from a live-USB and have it run alongside my Windows 7 installation. On the installation screen for Ubuntu, at the partition page, I get ...
3
votes
0answers
293 views

Please enter PIN (Ubuntu, Desktop, 3G Modem) turn off

Upon having booted to my Ubuntu on my notebook which has an internal dial-up device for 3G network, which I don't use anymore, Ubuntu asks for my PIN for the sim card. How can I disable this pin ...
3
votes
0answers
182 views

Exynos 5 DVFS or turning off cores in Ubuntu - Scaling frequency for one of the cores only (dual core) (cpufreq)

I was wondering if there is possible to scale only one of the cpu cores in the A15 in Exynos 5 ? I have tried using e.g cpufreq-set -c 1 -f 500MHz, but both cores are set to the same frequency. When ...
3
votes
0answers
125 views

To what extent does LXC manage configuring the network interface in a container?

In the LXC config file we can specify an IP address for a container: lxc.network.type=veth lxc.network.link=br0 lxc.network.ipv4 = 10.1.0.35/16 lxc.network.flags=up lxc.network.hwaddr= ...
3
votes
0answers
362 views

Connect to a VPN from a Linux Virtual Machine

I am running an Ubuntu distro inside a VMWare virtual machine with a bridged connection on a Windows 7 host. What I am trying to do is to have the virtual machine connect to a VPN, but I'm not having ...
3
votes
0answers
555 views

Using Creative Sound Blaster on Ubuntu Server

I just got a Creative Sound Blaster for playing audio wirelessly. I connected it to a virtual version of Ubuntu desktop and just had to go into the sound settings and switch it to the USB and the ...
3
votes
0answers
604 views

Slow system after running a KDE GUI application from a Debian Squeeze chroot

I have a PC with Ubuntu 11.04 and a Debian Squeeze chroot installed in it. As soon as I start any KDE application from within chroot (and installed there), e.g. Kompare for viewing git diff output, ...
3
votes
0answers
653 views

Pinguy OS 11.04 WiFi and Wired Networking is not working

I was attempting to install Pinguy OS from a YUMI created USB thumb drive, with the computer wired to my router. The internet, however, was not working. After the install, it still is not working. ...
2
votes
0answers
53 views

odroid/ubuntu - getting wlan to start

Im working with an 'odroid' fanless PC. The latest OS attempt on it is the stock Ubuntu 14.04 that comes with it. Have made some progress getting the networking (eth0) started but am having issues ...
2
votes
0answers
19 views

Why libpam-systemd run interactively on apt upgrade, even when specified force-confdef/force-confold

I upgrade my packages using aptitude, specifying the apt options --force-confdef and --force-confold. This generally works, but the package libpam-systemd (204-5ubuntu20.8, on Ubuntu 14.04) still ...
2
votes
0answers
46 views

Network connectivity trouble to non-routing multi-homed hosts?

I have two networks: A and B (172.16.2.0/24 and 172.17.2.0/24). A is Ethernet, B is WiFi. An OpenWRT router connects A and B, and most traffic gets passed OK. Default route on router leads to a ...
2
votes
0answers
21 views

Virtual packages with reprepro?

I have been working on making Zentyal packages possible on the armhf architecture, and finally succeeded in a working build of 4.0 packages. However the installation is quirky as these packages have ...
2
votes
0answers
43 views

what is the command to synchronize samba4 ADC -> PDC

I have another question on here that is almost exactly the same, but it had a lot more details and kind of went off track (and I never got my answer). So I'm trying again. I know that this command ...
2
votes
0answers
81 views

Explanation of the building process of the kernel on Ubuntu/Debian systems

I'm getting into Linux kernel programming and I have successfully built my own kernel several times now. However, I have done it using step by step guides found from the internet and I don't really ...
2
votes
0answers
50 views

Xenomai: /dev/rtheap is missing

I tried to install Xenomai 2.5.5.2 on my Ubunto 12.04 PC following the steps in this guide. I haven't changed any configuration options. When I run sudo ./trivial-periodic, I get a message saying ...
2
votes
0answers
33 views

Files are opened by wrong applications if opened from a number of programs

History: I had problems with mime associations under Firefox. Firefox opened downloaded files with wrong programs. I deleted ~/.local/share/applications/mimeapps.list and now it works. Now I noticed ...
2
votes
0answers
414 views

nVidia fail after update

I have a 64-bit computer with Ubuntu 14.04, Gnome and nVidia. I had the official drivers from nVidia installed, all working perfectly, even Steam games. I did a reboot after a recent update and the ...
2
votes
0answers
117 views

Logrotate no longer reads symlinked configuration file due to non-root ownership

We are currently upgrading from Ubuntu 12.04 LTS to 14.04 LTS on our ruby on rails application servers, and have noticed that the log files are no longer rotating. On both machines we have a file ...
2
votes
0answers
153 views

/dev/sda not appearing after secure erase

I decided to wipe my SSD with a secure erase before installing Arch Linux, since the Arch wiki said that it would improve performance. I followed the instructions listed on the wiki, but now when I ...
2
votes
0answers
175 views

Can't install Ubuntu because pc keeps shutting down

I can't install Ubuntu because during the "copying files" my PC powers off. I've downloaded Ubuntu 14.04 with WUBI on my Windows 8.1 32-bit PC. I made a new partition with 15.9GB, (I don't know if I ...
2
votes
0answers
301 views

Reading from /etc/environment with sudo

Using Ubuntu 14.04 LTS, I'm having a problem trying to read environment variables from /etc/environment when using sudo env. Basically, they are not being displayed. When I do just env, these ...
2
votes
0answers
310 views

`crontab -e` sometimes fails with “Creation of temporary crontab file failed”

From time to time crontab -e fails on me on a Ubuntu box. It is the same for all users including the root and crontab -eu <user> under the root. Goes like this on a regular basis, a success here ...
2
votes
0answers
406 views

Unable to mount XFS volume after reboot - unknown filesystem type 'xfs'

I have an aws ec2 instance that's been running Ubuntu 12.04 for a good long while. It has attached to it an EBS volume formatted with xfs. Today after a reboot, I'm unable to mount this volume. ...
2
votes
0answers
124 views

CPU frequency goes back after scaling down by indicator-cpufreq, suspension and waking up

I scale down the CPU frequency by indicator-cpufreq on Ubuntu 12.04. After I suspend Ubuntu and wake it up, the CPU goes back to"on demand" (the default). I wonder if there is a way to keep the CPU ...
2
votes
0answers
163 views

Mount from auto to manual and changing dir gives errors

I just installed Ubuntu 14.04 and am trying to mount my internal HD to a different location in the /home/username dir (auto-mount mounts it to /mnt/{uuid} ) But I ran into a problem. In Disks, when ...
2
votes
0answers
62 views

Why VMware DHCP persists getting offline?

I am trying to set up a SSH server in my remote machine which is running Windows 7 on it currently. So first I set up a Oracle VirtualBox but it did not work for me properly. Then I decided to go with ...
2
votes
0answers
160 views

When and why is /etc/init/failsafe.conf invoked on Ubuntu Server 12.04?

Could someone please tell me when during the boot process and why /etc/init/failsafe.conf is invoked? If possible, please point me towards a resource (keyword or link) where I could read more about ...
2
votes
0answers
3k views

Touchpad not recognized on linux (ASUS R751LB)

I have just bought a brand new laptop. Unfortunately, touchpad doesn't work on any linux distribution (tried mint Ubuntu 12.04, Ubuntu 14.04, Mint 14, Mint 16, also Mint 16 with recent 3.13.5 kernel). ...
2
votes
0answers
219 views

Vagrant-lxc container not starting

Firstly I'd like to say that I'm new to LXC and I may have some problems getting the right idea of how the things should work. The thing is I'm trying to start a previously download vagrant-lxc box ...
2
votes
0answers
206 views

How to configure external USB touchpad for a laptop

I have a laptop that, obviously, comes with a touchpad and a keyboard. However, I have an USB keyboard with integrated touchpad that better suits my needs. I use Ubuntu 13.10 and I cannot find how to ...
2
votes
0answers
164 views

How to access Win7 on a dual boot machine?

I've been dual booting Win7 and Ubuntu for about 4 months and I got on it today to change the default boot on grub, because my girlfriend kept getting locked out when it reboots and, by default, goes ...