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 do I compile source into the kernel?

I want to add and compile my custom application code into my kernel. How should I add my .c and .o files into my kernel 'bin' directory and compile them? I made a hello.c and hello.o file and I want ...
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86 views

Problem in writing message from one terminal to another terminal

I have a user of name x in tty1 and y in tty2. x wants to write some message to y and vice-versa. When I typed write y tty2 in the tty1 terminal, it said: write:you have write permission turned off ...
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194 views

Can only initialize Ad-hoc mode after restarting iwlwifi mod and network manager

I am running Ubuntu 12.04.4 with network interface: *-network description: Wireless interface product: Centrino Advanced-N 6235 vendor: Intel Corporation ...
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1answer
132 views

Where is my tablet's memory card mounted on laptop?

I connected my Asus fonepad7 tablet to my laptop via usb. My laptop automatically detects it & opens. But I'm unable to find where the memory card of my tablet mounted on laptop. Just see below, ...
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2answers
553 views

Problem installing Okular from ppa under Ubuntu

Under Ubuntu 12.04, I installed Okular from a ppa. After I installed it, I ran into the following problem of opening a PDF file: $ okular my.pdf Got bus address: ...
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1answer
395 views

How do I determine where DNS requests fail in the TCP stack?

I have the networking setup described here: Why is this static route not taking effect? Currently, I can ping my DNS server but all DNS requests fail: ~$ ping 130.35.249.52 PING 130.35.249.52 ...
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2answers
387 views

I can not log into Ubuntu 12.04

by ignorance and error I renamed the user_name of the directory /home/, called frank_account (home/frank_account) to sixven(/home/sixven) (using gksudo nautilus). Restarting Ubuntu, I get 3 users: ...
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172 views

Wi-Fi working on and off, mostly off on a HP laptop - take two

I have a HP laptop with Intel Centrino 2230 N card. The system is Xubuntu 13. Wi-Fi works on and off. When it's down, it still connects to the network and obtains an IP address, but ping to the ...
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2answers
349 views

Is a bad NFS mount preventing a clean boot?

I'm on Ubuntu server 11.10 (x86) and I basically ran into this problem as this: http://serverfault.com/questions/56588/unmount-a-nfs-mount-where-the-nfs-server-has-disappeared The umount command ...
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1answer
185 views

Unable to update my system Ubuntu13.04: Getting message - requires installation of untrusted packages

I had been trying to update my Ubuntu13.04 via 'software updater'. The updater messages that the following needs to be installed. Press continue to install When I press continue , a window appears as ...
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165 views

How to install Ubuntu in a netbook, but keeping the original win7 installation in storage

I have a Samsung N210 netbook. It has windows 7, starter edition. I´ve tried the latest Ubuntu version using a pendrive and loved it so far. I would like to install it in my netbook, but I would ...
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702 views

XBMCbuntu freezes at random intervals

I have a Gateway GM5474 which is running XBMCbuntu on a 500GB Hard drive (the originial I believe or maybe slightly newer hard drive). Little background: The system is still stock, and I was having ...
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1answer
415 views

Broadcast port to other computers after SSH reverse tunnelling

I have been reading on how to reverse tunnel and I am using this command: ssh -f -N -T -R25565:localhost:25565 dns.mindfulhacker.tk To forward my Minecraft server. My other server can connect to my ...
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2answers
4k views

Automount not disabling in Ubuntu 12.04 or 13.04

I'm trying to disable the automounting of any usb device. I have this working in Ubuntu 10.04, but I'm trying to do the same in either 12.04 or (ideally) 13.04 but not having any luck. Everywhere I ...
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4answers
313 views

Why is the available space in my $HOME decreasing?

My OS is Ubuntu 12.04. As System Monitor shows, "free" for my $HOME is 1.6GiB, but "Available" is 222.7 MiB and is keeping slowly decreasing from around 750 MiB yesterday. I am not aware that I am ...
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1answer
2k views

NTP not syncing in a VM

I'm managing some VirtualBox developer environments. The time drifts out of sync when the box is suspended, so I want to use NTP to keep it in sync. NTP doesn't seem to be doing its job, though - the ...
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1answer
546 views

Binding a particular IP to a port in apache2

In How to set-up a online SVN server on my laptop I asked to give access to my SVN server installed on my laptop to some of my friends siting in another part of country.I set-up a SVN server.I was ...
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2answers
2k views

Unable to connect INTEX 3.5G (aka 普创E003) Wireless USB modem in Ubuntu 12.04 LTS

Can anyone help me out on connecting INTEX 3.5G 7.2 Mbps (aka 普创E003) Wireless USB modem in Ubuntu? Initially it is recognized as a storage device and the modprobe cmd does not create any impact on ...
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2answers
445 views

Migrate an entire volume group LVM2 to RAID5

I have a Virtual Host server build with Ubuntu and Xen SO Ubuntu 12.04.1 LTS 64Bits xen-hypervisor-4.1 Disk Hitachi SAS 15K 147GB (x2) in a Volume group sda1 1GB /boot sda2 146GB lvm sdb1 ...
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1answer
712 views

How to recover grub after Windows installation

Usually when we install Windows after installing GNU/Linux, we usually lose the Grub. Which is the best way to recover grub when we lost grub or what are the possible different ways.
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1k views

Ubuntu: can't find ndbm.h

I need to compile an old apache version, 1.3 and compilation process fails because: mod_auth_dbm.c:77:18: fatal error: ndbm.h: File or directory not found where is it?
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477 views

Problem getting Fedora to run in VirtualBox

I'm using Ubuntu 12.04 64-bit, trying to get Fedora 18 64-bit to run in the Oracle VM VirtualBox. I've got VirtualBox installed (via the .deb package available from the official site,) and I got the ...
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1answer
393 views

How to feed linux new install drivers?

I'm trying to install a Linux distribution on my new setup, but after the first tries I failed without knowing why. My configuration: Desktop PC HP Processor: Intel Core i3 2120 @3.30GHz ...
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2answers
754 views

Kernel module for Cisco VPN client doesn't compile under ubuntu 10.04 LTS?

I am trying to install a Cisco VPN client under Ubuntu 10.04 LTS. In the extracted folder I type: alex@alex-laptop:~/Downloads/cisco4.8/vpnclient$ sudo ./vpn_install and there is output of activity ...
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295 views

Copying linux install from non-RAID/x86 to RAID/x86-64

I'm copying an Ubuntu Server install from an x86 machine with a single hard disk to a new machine with x64 and two identical disks. Two partitions will span the new disks: One small-ish RAID1 for ...
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1answer
959 views

Debugging Java program for changing timezone configuration file on Ubuntu

Here is a ruby script I wrote to change the timezone configuration on Ubuntu. I run it with jruby (a Ruby interpreter running in a JVM). require 'java' if ARGV.length == 0 puts "Usage: jruby ...
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4answers
1k views

How to install Fedora&Ubuntu with encrypted VG's on one disk?

I installed Fedora 14 first, then Ubuntu 10.04. I installed them using dm_crypt/aes256/lvm, so I used encrypted VolumeGroups. At the end of the Ubuntu install it said it cannot install GRUB, so I had ...
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1answer
728 views

How to align applets on Gnome panel

Does anyone know how to align applets on Gnome panel? For example I add notification area and there's five icons (you see it on the left of processor icon). Then, I plug my BlueTooth adapter out of my ...
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32 views

Possible not restore cpu frequency after suspending and waking up?

When I suspend my Ubuntu 12.04 and wake it up, the cpu frequency I set by clicking indicator-cpufreq on the desktop panel will be restored. I wonder if that is a bug or some design? Is there a way to ...
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129 views

Video and audio lagging on Skype 4.3

Skype's video does work, but it's lagging horribly on the other end. It's not an issue of the computer on the other end, since I've had conversations before on Skype while using windows and never had ...
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2answers
703 views

“Could not connect to display” in one user account

I have a GUI application written in Qt and I wanted to run tests by ssh (or Jenkins). There is only one user account, which allows to run it in display mode (ofc when I previously do "export ...
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475 views

No sound in Ubuntu minimal + xbmc. Possible bug?

I'm running Ubuntu 12.04 minimal+XBMC with no gnome interface. lspci | grep -i audio 00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 03) aplay -l **** List of ...
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3answers
89 views

How to get data shown out of workspace or directly from application?

Because of some reason I had to use another web browser than my main which I use daily and I chose a small browser which I installed long time ago. This brower is called Dooble, version 0.07 ...
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3k views

How to install squashfs-tools on Ubuntu?

I tried running `unsquashfs and got: $ unsquashfs filesystem.squashfs The program 'unsquashfs' is currently not installed, You can install it by typing: So I went to install it: $ sudo apt-get ...
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1answer
509 views

How to start a GUI program with PHP from website

My firm has some Ubuntu 12.04 running where there is no display attached and that are behind different firewalls. The visitor on local websites on that servers should be able to start a GUI program ...
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1answer
7k views

Wireless not working after update (Network Unclaimed)

I just installed backbox3, during the install im asked to connect to wireless, and it works like a charm, but after i update the system and reboot, i loose wireless... "sudo lshw -C network" gives ...
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1answer
883 views

How to use one distro's live CD to install another distro?

I'm trying to install Mint Linux to a USB stick, but the Mint live CD doesn't fit on a normal CD and I don't have any DVDs available. The Ubuntu live CD does fit on a CD, so I want to use the Ubuntu ...
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4answers
2k views

Optimal Setup for Windows & Linux - Sharing and Partitioning

This question gets a little complicated so please bear with me. So we have a new custom designed desktop which we will be mostly a dedicated machine for scientific computations in FORTRAN and ...
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2answers
462 views

dpkg / apt-get wants to install and overwrite different package

I want to install Pound. Doing this: apt-get install pound produces this: root@myhost:~# apt-get install pound Reading package lists... Done Building dependency tree Reading state information... ...
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1answer
515 views

Downloading the Google search results page using Linux commands

When I try using wget command, the page which gets downloaded contains only the lefthand side part. I want the right-hand side part of the search-results page, which is called Knowledge Graph. Can ...