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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Booting linux from usb using EFI

I need to use a USB drive as an installation media for my Mint and Ubuntu. For that I have unetbootin to make the usb bootable. But my PC only supports EFI boot (while adding the boot device, I need ...
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2answers
7k views

domain 'ubuntu-hvm' does not exists, xen + ubuntu, hvm guest os installation problem

I am following the installation/setup instructions at https://help.ubuntu.com/community/XenProposed to install ubuntu + xen. I was able to install a PV guest OS. However, when I got to the HVM guest ...
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1answer
9k views

Installing openjdk-7-jdk does not update java (which is still version 1.6)

I am having issues updating Java. I am running Ubuntu 11.10. I can execute sudo apt-get install openjdk-7-jdk and it completes successfully. javac -version is 1.7, however java -version is 1.6. This ...
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4answers
1k views

Spoofed MAC address ignored by wpa_supplicant?

I'm using wpa_supplicant to power my wireless card in my Ubuntu Server (yes I know wireless in a server is bad, but this is a special case) since it has the ability to automatically roam WAPs instead ...
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1answer
193 views

How can I find a Ubuntu package to use with Amazon EC2?

I'm looking to set up a new server on Amazon's EC2 and I wanted to use Ubuntu 11.04 is it is fairly new but not too new. I previously used 10.10 which I think is also very stable and time-tested. My ...
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2answers
2k views

How to make apt-get accept new config files in an unattended install of debian from Repo

I am writing a script for a unattended install of a package that is in our repo, it is a software package with one of Debian's marked config files. Is there any option that I can pass to ...
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1answer
3k views

Where are NetworkManager's WiFi settings stored?

I remember the days of playing with /etc/$WE/wpa_supplicant.conf to try and force a semi-secure network on a debian based system, but now on to xubuntu, I haven't needed to do any *.conf-ing in a ...
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2answers
581 views

Lock a byobu session with password?

I used to leave my byobu sessions detached on a server. I want to lock the session to prevent other users (root account) accessing my session. Is this possible?
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2answers
1k views

What's the next step in troubleshooting this wireless connection failure?

I just installed Ubuntu 10.04.3 to dual-boot with Windows. I can connect to the Internet using a wired connection, but not through wireless. The first time I booted, the wireless notification bar ...
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1answer
3k views

Configure wireless network from the command line

I know I can use ifconfig to configure my ethernet network interfaces. But can I also configure my wireless network interfaces using ifconfig. (It seems to be listed as eth1 in ifconfig output, why is ...
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2answers
4k views

Localhost .htaccess not working on Ubuntu

I have been trying to get my .htaccess file to work on my localhost. I know that the file works because it is on my server and works. However it doesn't seem to be working locally. I have followed ...
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1answer
265 views

What tools allow me to present man pages as formatted HTML on a web server?

What tools exist to make man pages available on a system available via HTTP and link topics together such that references in the SEE ALSO sections and elsewhere will become hyperlinks in the HTML ...
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1answer
3k views

Can the focus of a Microsoft LifeCam HD-5000 be fixed at infinity under linux?

I have two Microsoft LifeCam HD-5000 webcams which I am using as a home security system with the Motion package for linux. One problem I have is that because these webcams have auto-focus, sometimes ...
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3answers
420 views

Suspending my laptop breaks ethernet over firewire, are there commands which can fix it?

As mentioned in this question I am using a firewire cable to provide a private network between my laptop and my desktop, because it makes using the screen sharing program synergy much nicer than using ...
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1answer
570 views

`p` key doesn't work in X

Today I had to force-shutdown my machine after it froze during resume from suspend. Since the reboot, I've found that the p key doesn't work normally in X. It does work normally in the console. ...
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1answer
1k views

Ubuntu postfix installation error: trying to overwrite '/usr/sbin/validlocale', which is also in package libc-bin 0:2.10.1-0ubuntu18

I am trying to install Postfix on Ubuntu 10.04 using command sudo apt-get install postfix but there comes error as shown below: Preconfiguring packages ... (Reading database ... 164023 files and ...
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1answer
2k views

Top and bottom panels disappeared in Ubuntu 10.10 (Gnome)

For some reason my top and bottom panels have disappeared. I can't right-click and add a new panel either. I tried executing gnome-panel from the terminal, rebooting, but no luck. Any idea how to ...
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1answer
37 views

Lightdm service - contradictory results for `status` command

When I run in my gnome-terminal: service lightdm status everything looks OK and it is as expected: lightdm start/running, process 1221 But when I run: service --status-all 2>&1 | grep ...
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1answer
243 views

Overwritten MBR: Is partial/complete recovery possible?

I have a Sony VIAO laptop setup as dual boot (Ubuntu 12.10/Windows 7). Since I wanted to try Archlinux, I installed VirtualBox in Ubuntu. To create a bootable USB stick (from the ISO image on my hard ...
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1answer
5k views

~/.xinitrc not being run

I am not able to run my ~/.xinitrc (~/.xsession) scripts when logging into my computer. I'm using Xubuntu 12.10 with vanilla lightgm as the login manager. Both these files have the right permission ...
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3answers
2k views

A Web ssh/telnet client

I'm in kind of a tight spot right now. I wanted to know if someone has seen a HTML, or PHP web ssh client as both my company and school block everything besides port 80. I'm a control freak when it ...
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2answers
2k views

/dev/md127 refuses to stop. No open files

So I'm trying to stop /dev/md127 on my Ubuntu 12.10 box. It was set up as RAID1, but I'm trying to move everything (well, rename) to md0. I read that renaming isn't possible, so I'm trying to remove ...
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1answer
500 views

Cannot FTP more than 5791 bytes

On my home Kubuntu 11.10 machine I have discovered that I cannot upload via FTP any single files that is larger than 5791 bytes. I have tried to two different FTP servers (not anonymous rather my ...
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1answer
6k views

Acer Aspire S3 or Asus Zenbook Ultrabook for running Linux (Ubuntu / Debian)

I'm curious if anyone has had success with running Ubuntu or Debian on the latest Ultrabooks. Specifically, the Acer Aspire s3 or the Asus Zenbook? I have had an Asus UL30a since they came out, ...
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2answers
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VPN with network manager (nm-applet) is not working

My university (TU Wien) offers a VPN in order to get an IP of the university network. The instruction on the university webpage says to install the packages network-manager-gnome, network-manager-vpnc ...
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2answers
510 views

Sync files from a mac to a flash drive - automatically?

I have a flash drive, let's name it FLASH. I want, when on my mac, when FLASH is plugged (and automatically mounted), execute a specific script and make ~/Documents to be automatically copied to ...
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1answer
699 views

How to determine if disk is compact flash or standard hard drive

I need to determine in a shell script if a given block device (e.g. /dev/sda) is a compact flash disk or a regular hard drive. Google did not help me out for once, and while udevadm info --query=all ...
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3answers
318 views

Power management hook for running *X11* scripts on wake

Earlier I asked a similar question, but that one was about running system-level scripts. I have a script that runs a series of xinput commands in order to enable two-finger scrolling on my touchpad. ...
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1answer
318 views

Wi-Fi with WEP from command line in Ubuntu 12.04, Kernel 3.8.0-29-generic

I have removed network-manager and am trying to configure Wi-Fi with WEP manually. I am running on an X1 Carbon. Here are the commands I am running: ifconfig wlan0 down iwconfig wlan0 essid ...
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1answer
696 views

Installing Linux Mint on Windows-Ubuntu Dual Boot

I currently have an Ubuntu-Windows Dual boot. However, I would like to try out a new OS so I burned Linux Mint to a USB stick. I would like to install Linux Mint and remove Ubuntu while still ...
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1answer
690 views

NFS server causes high load even when idle

I have an Ubuntu (12.04) NFS server that has a high load (larger than 10) even when nothing is running. In detail, the storage is provided by an iSCSI device, on which I have 5 logical volumes (LVM) ...
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3answers
881 views

terminal transparency, Imagemagick, and X11 root window problem

In Ubuntu Natty and in Fedora 12, I have urxvt (with 256 colours), and use ImageMagick (display -window root [...]) to set the root window to a picture. When I use the transparency (-tr) option on ...
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2answers
716 views

Will I be able to build LFS using dash and mawk?

I decided that I want to learn more about Linux and try building LFS. I'm using Ubuntu 11.04 as host system and Ubuntu uses dash and mawk by default. I've changed mawk to gawk, but considering that ...
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1answer
874 views

pppoe connection keeps disconnecting every 30 seconds

I have hotspot connection. We first connect to wireless and enter a username / password on pppoe connection with windows. When I use the ubuntu (11.04) I have to use pppoeconf module. Today I setup ...
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2answers
966 views

NFSv3 with Kerberos “unmatched host” error

I've setup NFSv4 using Kerberos (works great), but now I need to add NFSv3 with Kerberos. When trying to mount the NFSv3 export, I get a permission needed error on the client and on the server the ...
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0answers
153 views

Arguments against Ubuntu? [closed]

As someone who's been using Ubuntu for a couple of years now both in production and at home, when seeking answers to certain administrative questions for my systems, I often hear the "that's what you ...
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2answers
272 views

Unable to login via ssh after several months

I have a Dell Poweredge running Ubuntu 13.04 in my office to serve up an interal web-app address system. It has been at least a 2 months possibly 3 since my last login. Everything is running great, ...
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1answer
109 views

apt-cache ignores my pinning in Ubuntu [closed]

I'm trying to configure how Ubuntu manage the PPA's and third party repositories with pinning packages. BUT! Sadly it seems that all my efforts are being ignored. I created a file pinning using vim: ...
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3answers
2k views

Ctrl + c will not kill process

I have looked for answers and so far have found nothing to answer my question. I am currently logging in to my Ubuntu server and upon running a process I can not run any of the interrupts on it. Here ...
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2answers
461 views

No panels in Ubuntu? libcanberra-tk cannot open shared object file

I booted up Ubuntu and have a background but no panels. Everything else seems to work fine, I can get into terminal and run Firefox for instance. I can create folders on my desktop, etc. I'm new to ...
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3answers
3k views

How do I open a .bak file on Linux?

I have received a file of .bak format, let it be foo.bak. I don't know if it is a MS-DOS file or Linux/Unix file. What I know is that I can't open it because my Linux (Ubuntu) does not give any hint ...
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4answers
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Ubuntu vs. CentOS and Binary Compatibility

I am trying to install software that is built on CentOS 4.7. Do you know if it will also run in Ubuntu? I read CentOS is 100% binary compatible. Is the same true for the most recent version of Ubuntu? ...
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4answers
273 views

Recommend a Linux Distribution for my use

I have no experience with Linux. I'm looking for a distribution which is beginner friendly. Ubuntu looks great. My usage for this system will include web development, and possibly application ...
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4answers
4k views

How can I upgrade pip on Ubuntu 10.04?

On Ubuntu 10.04 I've used apt-get install pip to install pip after which I installed django. Then I tried to uninstall django with pip via pip uninstall django which gives me: pip: error: No command ...
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6answers
13k views

Where is Netbeans installed on Ubuntu?

I installed Netbeans on my Ubuntu 11.10 machine. I used the combined method, so Netbeans and JDK are installed from a single file. However, now that it's installed I can't figure out how to start ...
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3answers
704 views

Vim unnamed register + or *

Im using Vim 7.3 in Ubuntu and I'm having a little problem copying to the system clipboard with the following command "+y but I'm getting the following error: E354: Invalid register name: '+' In my ...
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4answers
3k views

Ctrl+C does not work in gnome-terminal

On my Linux host, Ctrl+C does not seem to work and I do not know how to proceed to make it work. I am using Ubuntu 10.04 with bash 4.1.5(1), and working in Gnome-terminal. When I pressed Ctrl+C while ...
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3answers
718 views

How to list currently not installed packages?

I'd like to output a list of all, currently not installed, packages (they are visible in Synaptic for example) using only shell commands. How do I do this?
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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?
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3answers
671 views

What makes Ubuntu not totally Free Software?

I heard that Ubuntu is not completely free (as in Freedom). What are the specific parts of Ubuntu that are not Free?