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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Install Ubuntu for Android

Canonical has an item on their site called Ubuntu for Android. This is a special distribution of Ubuntu which integrates with the Android system. Their website mentions that it is specifically ...
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0answers
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Ubuntu apt-get errors: “has no installation candidate” or “Unable to correct problems, you have held broken packages”

I've got 2 ubuntu VM's running on windows 8.1, one ubuntu 12.04 Server and one ubuntu 12.10 Desktop. I get errors with both when trying to install openssh-server (and other software): Server: sudo ...
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0answers
6 views

Receive multicast on any source

I'm using Ubuntu 12.04.5 LTS for IPTv multicasting. If i use same Source-IPv4 address then I can receive stream over multicast from the sender. If I've different Source-IPv4 addresses on sender and ...
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0answers
9 views

Any one help me to configure LDAP in centos [on hold]

I need to configure open ldap server in centOS and client in ubuntu. can any one help me
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1answer
114 views

apparmor and Firefox

I am currently re-setting up the apparmor profile for Firefox 19.0.2 on Ubuntu 12.04 and I am slightly confused. I must of had Firefox 7.01 last time I used this and if I do apparmor_status then ...
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3answers
380 views

Directory appears as file?

So we copied some photos in a directory across to a NTFS partition last night, and they were viewable from ubuntu. Today the directory is not accessible from Windows, and when we booted back into ...
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0answers
4 views

Why can't I start a VNC session using the randr flag?

I'm using Ubuntu 12.04 (I think it's desktop...) and can successfully run vncserver (which ultimately links to /usr/bin/vnc4server) and connect with my client, and I can also add the -geometry flag ...
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1answer
456 views

Starting Resque worker with script doesnt work, starting by hand does

I am trying to figure out why my process doesn't work if started via a script, but works fine if started by hand. Here's the details: script is a resque worker start script. The script location is ...
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1answer
311 views

Formatting secondary hard drive that has windows on it

I recently installed an setup an Ubuntu Server machine. It has two drives in it and the other drive has windows installed on it. (I didn't want to overwrite the windows installation until I had my ...
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2answers
412 views

Mounting USB camera on Ubuntu

I am quite new at Linux and I have to install this SwissRanger camera on Ubuntu. I am trying to follow their USB mounting instructions and I got stuck. From the instructions: Modify the usbdevfs ...
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1answer
34 views

Why does mouse and keyboard freeze when Linux swaps

I have noticed that under Linux, when there is heavy swapping, the mouse cursor freezes, and even CapsLock or Ctrl+Alt+F1 don't work. The system uses the deadline I/O scheduler but this should not ...
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0answers
5 views

is possible to set a default user to be shown at startup LightDM?

Is possible to set a default user to be shown at startup LightDM?
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0answers
37 views

Why does my wlan0 stop working?

A few minutes ago, my internal wireless card wlan0 on Thinkpad T400 starts not working. This always happen after a while (between half an hour and several hours) from starting Ubuntu 12.04, especially ...
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0answers
9 views

wireless adapter doesn't show up in iwconfig after unload and reload its module

I unload and load the module which I suppose to be the one for my internal wireless adapter, $ sudo rmmod iwlwifi $ sudo modprobe iwlwifi My internal wireless adapter isn't show up in iwconfig, ...
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1answer
12 views

Real time show the max temperature outputed by sensors?

Is it possible to extract the maximum temperature from the output of sensor, and real time update it, and show it somewhere on desktop of Ubuntu 12.04? I know psensor is to do that, but its version ...
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2answers
1k 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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1answer
84 views

Why “backporting process does not consider upstream releases”?

From http://opensourcehacker.com/2013/03/20/how-to-backport-packages-on-ubuntu-linux/ backportpackage will download the latest version of the package from Ubuntu archives. The latest ...
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2answers
56 views

Why does this Shell script fail as cron job [on hold]

I have the following in a shell script, when I run this script it works but when I put this as a cron job it does not work(nothing happens!). How come? script #!/bin/bash ...
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2answers
2k views

Configure multiple interfaces with different hostnames using DHCP and DNS

I have a machine running Ubuntu 12.04 Server with two interfaces connected (eth0, eth1) to the network. Our network is set up so that a FreeBSD based DHCP server hands out leases and registers the ...
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1answer
632 views

Ubuntu 12.04 32 bit is slow on Virtual machine

I have installed Ubuntu 12.04 32 bit os on my Virtual machine. I have allocated 2GB ram to it. But the VM is running very slow, and left side taskbar is not visible. When I place my cursor on the ...
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1answer
27 views

When will we use apt-get to download source? [on hold]

In what situation, will we like to use apt-get to download source? Can's we install from binary installation by apt-get too? If we are to install from source, can't we download source from its ...
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2answers
8k views

eth0 not being configured automatically

When I start an ubuntu 12.10 instance, eth0 is NOT getting configured. davidparks21@MySqlDB:~$ cat /run/network/ifstate lo=lo When I manually edit ifstate and add eth0=eth0 and service restart ...
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0answers
20 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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3answers
521 views

Linux installation stops working after a few reboots

I'm trying to set up a dualboot Win8/Linux on my HP tablet (touchsmart tm2-1050ez). However, when I'm finished setting it all up, after a few more reboots, I'm not able to boot to Linux anymore, as I ...
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1answer
530 views

BCache and disk encryption

I recently bought a new laptop with a 16Gb mSATA SSD cache drive. I haven't used that one yet. I have, however, opted for Ubuntu 13.04 with "Full Disk Encryption" for the main partition (is that ...
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1answer
26 views

How to test new kernel releases ?

I am using ubuntu 14.04 with linux kernel 3.13.0-37-generic . I know that the latest stable release of the kernel is 3.17.01 and want to test it. Can I test it on my system without blowing away my ...
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2answers
42 views

Increasing performance of clear text file reads

In our bioinformatics application we have large files (up to 900MB, typically 100MB). These files contain a clear text representation of a genome, and are essentially a 1 line file with a sequence of ...
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2answers
351 views

How to fix frequent crashes of openshot?

I have been using the openshot video editing software for some time on Ubuntu 13.10, which does not run stable for me. I would like to know if I can do something to stabilize it, so I can actually use ...
3
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1answer
1k 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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1answer
145 views

bash: /etc/bash.bashrc: Permission denied whenever I open a terminal

On Ubuntu 13.10, when I open a new terminal, I sometimes get the following output on the terminal: bash: /etc/bash.bashrc: Permission denied However, the permissions should be fine: >ls -l ...
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1answer
29 views

Softlink in rc0.d is working on poweron rather than shutdown

I want to run a script on poweroff in Ubuntu. so I made a script, placed it in init.d & made a softlink in rc0.d with name S36xyz. my script is working perfectly when I run it in terminal. so ...
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1answer
22 views

Resize of VirtualBox Screen?

I've recently installed the Guest Additions CD on my windows VirtualBox running Ubuntu 14.04. It was working great for a while - screen resized automatically, etc. However, when I turned off my host ...
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0answers
20 views

My Ubuntu won't recognize the command ./configure [on hold]

I have recently purchased a computer off of my sister that she wiped and loaded with Linux. Now that I have it, I have no idea what I'm doing and need some help. I have been trying to install Unity ...
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1answer
20 views

.xsession and .xinitrc not executed at login

This is the content of my ~/.xsession: #!/bin/bash # Tray for skype, keyboard layout, ... trayer --edge top --align right --SetDockType true --SetPartialStrut true --expand true --width 10 ...
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1answer
436 views

Playing or converting .dv4 files in Linux

I need to find a way to playback a number of .dv4 files on Ubuntu 12.04 and Fedora 20, possibly after having converted them to a more conventional format. So far I have managed to convert the files ...
0
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1answer
594 views

multiple ftp user sharing common home directory

I want to setup like mentioned, where I can create multiple ftp users with having same home directory. What I have tried so far, Created new user with pointing to the directory of ftp user as home, ...
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0answers
552 views

How to configure Alias in Apache 2.4?

I need to config a Alias in Apache 2.4 and work how phpmyadmin works in my Ubuntu AWS server. I created a site-enable file and add the following lines for it Alias /admin1/ "/var/www/html/admin" ...
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3answers
438 views

Error “parted: invalid token: 1” When Using Parted To Format A Partition?

Screenshot: http://imgur.com/DQnhwG2    I'm trying to format an existing ext2 partition as ntfs (or any filesystem) using the mkfs command in Parted, but when I specify the partition to ...
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0answers
48 views

Unable to write to hdd formatted in anything other ext2,3,4

I am unable to write to my HDD mounted on Ubuntu server 12.04 that are formatted to NTFS or FAT32. However when I format to EXT and Mount as auto its able to write. I tried chmod and chown but the ...
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1answer
24 views

Where should my authorized_keys file be if I want to ssh to `localhost`?

I have my public / private key setup, but I don't know where it should go. Should both these files be placed in ~/.ssh/ for my user?
3
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1answer
1k views

Keyboard layout changed. How and why?

Yesterday, I upgraded my kernel (to 3.5.0-19-generic), rebooted, and had to reinstall my video drivers to get full resolution. (After upgrading the kernel, the resolution always goes to 640x480, until ...
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1answer
68 views

Ubuntu live CD keeps on going back to the choice screen

I had Ubuntu installed before, but then I decided to switch to Windows 7. I deleted all of the partitions and formatted the drive (via the Windows installation disk). Windows works fine, but now I ...
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1answer
37 views

SSH Pub Key Login without Password

I am configuring an SSH Server on Ubuntu 14.04.1 Server Edition. The goal is to use public key authentication only and only permit certain usernames. My public and private keys are created and a ...
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3answers
1k views

apache not starting in vagrant vm

I used Puphpet.com to create a Vagrant VM to be used for web development. The problem I am having is that the VM cannot start apache on boot. $ sudo /etc/init.d/apache2 start * Starting web server ...
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3answers
1k views

How to prevent shutdown when an SSH user is logged in?

I'm administrating a networked environment and I had an interesting situation arise yesterday. When a host is required to shutdown by a regular user, it refuses to do so if other users are logged in ...
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1answer
22 views

mount command over existing drive, then deleted

So I had a directory sitting on /dev/sdb1 I umounted the drive, moved the backup to sdc1 and restarted the server, still can't see the files...
2
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1answer
409 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 ...
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0answers
15 views

strange network hangs [closed]

I have a linux home server. It is a Asrock ION330, with Nvidia Chipset, running Ubuntu 14.04 LTS I has been working flawlessly during years, but since June it has been suffering some kind of strange ...
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5answers
31k views

How do I set my DNS on Ubuntu 14.04?

Most of the info I see online says to edit /etc/resolv.conf, but any changes I make just get overridden. $ cat /etc/resolv.conf # Dynamic resolv.conf(5) file for glibc resolver(3) generated by ...
4
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1answer
763 views

Fedora 18 guest in VirtualBox 4.2: How to assign static IPv4 address to guest regardless of active ethernet interface on host

I have a Ubuntu 13.04 host running VirtualBox 4.2.12. This host has both a wired and a wireless network interface, but only one of which would usually be active at any given time. For example, at home ...