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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7
votes
4answers
20k views

How can I fsck a partition when the device reads as busy (but has been confirmed otherwise)?

I'm attempting to run fsck -p /dev/sda5 to repair errors on an ext4 partition, however the command outputs fsck from util-linux-ng 2.17.2 fsck.ext4: Device or resource busy while trying to open ...
0
votes
0answers
8 views

Creating a Live Kernel with u-boot

I want to create a live kernel with u-boot. I have a ARM board that has a 4GB nand flash memory. I used manufacturing tools from the freescale website for the i.mx6 chip. I have read that you can ...
2
votes
0answers
36 views

Not able to see the progression of a file with “tail -f”!

It's a surprise why now this command isn't working which earlier was. See I've the below command to run for backup. ubuntu@ubuntu:~$ sudo tar -cvf /media/ubuntu/My*Linux/ub*data/zebra.tar ...
3
votes
2answers
2k views

How to manually insert a repository in source.list?

I tried to add a new APT repository using this command: add-apt-repository ppa:atareao/atareao but I got a "command not found" error. I tried installing python-software-properties, but it's already ...
1
vote
0answers
19 views

Can use Password authentication with SFTP even though “PasswordAuthentication no” in /etc/ssh/sshd_config

I have enabled SSH-keys based authentication on the Ubuntu 14.04 server, disabled root login using SSH and can connect successfully using SSH-keys based authentication with my user account blahblah on ...
3
votes
0answers
30 views

is nameif deprecated? If so is there an equivalent replacement?

I read that the nameif is deprecated, although I still see it on my ubuntu 14.04 system. If this command is deprecated, is the command cited for removal or will it still be available? This command ...
2
votes
0answers
32 views

Ubuntu 13.10 has suddenly failed to boot! [migrated]

Yesterday evening, I don't know what happened but my system (Ubuntu 13.10) didn't boot. Since then I tried many times but the same issue as I explain below. See I boot my system. GRUB menu comes; I ...
0
votes
0answers
5 views

ncq disabled on usb drive with ncq capabilities

I've recently purchased a Gigabyte BRIX paired with WD10JFCX 1TB Drive which is encased in an USB3.0 box. On it I run Ubuntu LTS 14.04 When I look at /sys/block/sdb/devices/queue_depth it reads 1 ...
-2
votes
0answers
21 views

Can anyone know how to install oracle on ubuntu 14.01 [on hold]

Can Anyone help me in installing of ORACLE 11g in Ubuntu 14.01
1
vote
2answers
3k 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 ...
12
votes
3answers
1k views

In Debian based systems, how do we purge configuration files of packages that have already been uninstalled?

To be more specific, I would like to do the equivalent of adding the --purge flag to the following command sudo apt-get autoremove --purge [package name] to packages that are no longer on the ...
1
vote
0answers
28 views

How does Ubuntu 14.04 achieve persistent eth* interfaces?

Trying to upgrade udev to 197+ on my LFS system, I've come across a problem that old persistent network interface names scheme is no longer supported. Before trying to go on with the new suggested ...
2
votes
1answer
2k views

Firefox: use system proxy settings, but where are these?

Running Ubuntu 13.10, Firefox is configured to use the system proxy settings, but it seems it fails to pick them up. The computer is connected to the network, and it's possible to establish a ...
0
votes
0answers
16 views

Installing mysql-server in vagrant bootstrap shell script (how to skip setup?)

I did try to install mysql-server on my Vagrant Ubuntu 12.04 LTS virtual machine. When I did so, the setup auto-starts. I can see this in the Vagrant output: While not mandatory, it is highly ...
6
votes
5answers
157 views

Vintage terminal for Ubuntu

So I have just been introduced to Cathode for OSX and I am completely fascinated by how classic it looks with it's 1970s retro style. Does anyone know of any programs/packages I can download to get my ...
2
votes
2answers
287 views

Ubuntu with Gnome and Openbox

I've in my laptop Ubuntu 12.04.03 which comes by default with Unity. I like Unity, and Gnome. It has a nice look, some nice apps, things frequently works nice. However I would prefer to use Openbox. ...
2
votes
6answers
932 views

Unable to do paswordless ssh even after following standard procedure

I have two systems named Interface(10.1.1.87) and Client-Interface(10.1.1.91). I want to automatically mount an sshfs share from Client-Interface on Interface on boot. I am using the command: sshfs ...
0
votes
0answers
17 views

How to create a shortcut of some folder on Docky?

I am using docky on ubuntu 14.04.I am able to pin shortcut of applications to it. But how can I make a shortcut of a particular folder to it. Like It has home folder icon in docky ..I want to have ...
1
vote
1answer
36 views

How to use Wireless Network in Virtualbox?

I'm trying to enable Wireless on VirtualBox in my Ubuntu 14.04. I use a Kali Linux as the guest OS, but this OS not show the wi-fi when I connect it. After starting the guest OS, it still does not ...
0
votes
2answers
234 views

nodm not working on bootup

I've setup and used nodm in the past (it is extremly simple and easy), but now cannot get it working. My base system is Ubuntu 13.04 server, but I have tried Debian and older Ubuntu servers as well. ...
1
vote
1answer
358 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 ...
2
votes
0answers
44 views

A window asking me to enter my ssh passphrase is popping up randomly. Why?

I'm on Ubuntu 14.04. For a few weeks now a small window keeps popping up randomly, grabbing my keyboard and asking me to enter the passphrase for my ssh key. The Window's title says "OpenSSH", and it ...
1
vote
3answers
44 views

The difference between a binary and a source package in Ubuntu/Debian?

The information below seems misleading. I am confused with the example they give that if you lose dpkg (the program that lets you handle .deb files) you can use the other commands ar, tar, and gzip ...
4
votes
2answers
9k views

Install Ubuntu from a small USB stick

I'd like to install Ubuntu (Desktop or netbook edition, preferably latest version), onto a laptop using a small USB stick. (480 MB free space.) How can I do this?
1
vote
0answers
57 views
+50

Gnome programs (eog/gnome-terminal) have a slow start and produce a DBus.Error.NoReply Warning

For some time eog and gnome-terminal are starting very slow on my (X)Ubuntu 13.10. I think other gnome tools are affected, too, but I don't use any else. Now I get a ...
1
vote
1answer
312 views

Trying to run Virtualbox under NX session: getting permission denied

I am running Nomachine NX server on my Ubuntu 12.04, and I'm connecting from a Windows 7 machine using NX client. When I try to start VirtualBox, I get a permission denied error. The same user that ...
1
vote
0answers
28 views

A problem with ubuntu [closed]

I have a Dell Inspiron 1420 with Windows Vista. I wanted to install Ubuntu on it, so I burned the ISO file to a 16GB flash memory and I booted the laptop from it. I tried to install Ubuntu on the hard ...
0
votes
1answer
23 views

How should I change root@mydomain when I send from mail() php function?

I've installed sendmail in Ubuntu as below: apt-get install sendmail Then I sent an Email to test, I received Email from root <root@mydomain>. I checked the content of /etc/aliases, but it ...
0
votes
1answer
24 views

Change packages from country local to global

I want to reinstall all packages in Ubuntu 13.10 that were downloaded from my country local repository to change them to global repository versions. I can work on system that is completely English, so ...
5
votes
4answers
2k views

Why doesn't docker container start at boot w/ upstart script on Ubuntu 12.04?

Using instructions for Docker auto-start on Linode VPS running Ubuntu 12.04 and Docker 0.8.1, the specified container does not start on reboot. Once booted, I am able to ~$ sudo start [service-name] ...
2
votes
1answer
253 views

How to open tty or execute some script when the shortcut Ctrl+Alt+F[1-6] doesn't work and X11 is partially frozen but system is still working?

I'm using Ubuntu 10.10 with Gnome on Acer Aspire One netbook. The X11 or just some parts of Gnome like panels and partially windows (details described below) are frozen which doesn't allow to do ...
2
votes
2answers
553 views

How to increase the timer before drive spins-down?

I use Ubuntu 12 beta on a Lenovo Z575. I noticed that the disk spins down a few seconds after the last operation. When I am working, e.g. in the vim and write quite often, it spins-up and -down ...
1
vote
1answer
75 views

What Causes Maintenance Shell Segmentation Fault?

I'm running Ubuntu 14.04 Trusty Tahr in a Microsoft Hyper-V virtual machine on Windows Server 2012 R2. I've stopped the VM, replaced an EXT4-formatted virtual disk volume (/dev/sdb) with a new ...
4
votes
2answers
2k views

rsync mkstemp failed Invalid argument (22) with davfs mount of Box.com cloud

I mounted Box.com cloud storage using davfs according to these instructions. I mounted my Box.com account under /home/me/Cloud/Box I can access the mounted filesystem via Dolphin as well as via the ...
1
vote
0answers
17 views

unable to create key file. ubuntu installation error

I am trying to generate a preseed file for automating the Ubuntu installation process. I want full disk encryption with the help of preseed having the pass-phrase included in the preseed. I wrote ...
1
vote
1answer
2k views

Windows Remote Desktop login failed with Ubuntu Server 12.4

So, I have a server that I have RDC (Remote Desktop Connection) set up on, and I am looking at making it globally available on the internet so that I can access it from anywhere. I am currently in the ...
-1
votes
0answers
26 views

How to setup VLANs in Ubuntu 12.04? [closed]

How do I set up a virtual LAN in Ubuntu Server 12.04? What packages do I need to have installed, and how do I go about configuring it?
-6
votes
0answers
17 views

I want full configuration on pxe? [closed]

Please I want PxeBoot Serve Configuration Notes. Can You Pleace send Me.
0
votes
1answer
19 views

Can I create a bootable distribution backup

I'm interested in trying out a couple of distributions, but for extended periods of time (so using a LiveCD is not really an option). However, I would like to create a backup of my current ...
0
votes
2answers
71 views

How to checkpoint using CRIU on ubuntu 14?

I tried to install CRIU in ubuntu 14.04 Desktop. When I used $ sudo ./criu check , it showed Error (cr-check.c:268): fdinfo doesn't contain the mnt_id field And when I tried to checkpoint ...
3
votes
1answer
28 views

Adding a label to start-stop-daemon service in process list

I have a bunch of redis service instances, and I would like to add a label to them in the output of the ps command. Currently I see: $ ps aux | grep redis root <snipped> ...
-1
votes
0answers
34 views

Linux replacement to Windows Media Center [closed]

new to Linux. looking at options for someone who knows nothing about Linux, Mint, Ubuntu to replace Windows Media Center (Windows 7) with a Linux equivalent. I run straight cable from the wall (no ...
1
vote
1answer
23 views

Make a deb package that installs data under /var/www/data

I recently set up a PPA on Launchpad for distributing my web application. Since it's a server-app, I need to put my data into /var/www/html which apparently is not wanted by Lintian ...
1
vote
0answers
27 views

Switch screens in xorg.conf without reloading X

I have an ARM device running ubuntu and the screen set up using xorg.conf as below: Section "Device" Identifier "Card0" Driver "fbdev" Option "fbdev" "/dev/graphics/fb2" ...
0
votes
0answers
14 views

Disable CPU scaling with U 1404

I know there are a lot of things about this topic but I couldn't find anything not older than 4 years. As the stuff develops so fast I hope it is fine to ask again a few years later. What is ...
1
vote
4answers
5k views

Kill all process of users in Ubuntu?

How to kill all process of one user? When I make ps aux I obtain a list of process with several users, and I want to kill all process of user name1 for example! What's a command to do that in Ubuntu? ...
4
votes
4answers
519 views

How to play a G2M4 encoded .wmv file (Ubuntu)?

I was using Ubuntu 13.04 (end of life) - now using 13.10. I have this .wmv video file. When I try to play it on vlc, it shows the error below, there is no video but the audio is working properly: No ...
1
vote
0answers
26 views

Bluetooth Device not working debian wheezy

i just installed debian wheezy on msi cx640dx. my bluetooth device not working. here is some information. Kernel version: $uname -r 3.2.0-4-amd64 when i use hcitool dev it don't show any device. ...
2
votes
1answer
1k 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 .... ...
0
votes
2answers
54 views

Trying to SSH to local VM Ubuntu with putty

I have found similar questions in my searches here, but most of the answers are way above me at the moment, so here goes. I have set up a VM of Ubuntu server, have installed OpenSSH, and am now ...