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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3
votes
1answer
123 views

Ubuntu filesystem buffers/cache always empty

I have a virtual server with ubuntu 10.04.4 LTS and plesk (preinstalled by hosting company). Now i have seen that the buffers/cache are always empty. Current uptime is 22 days. free and htop shows the ...
5
votes
4answers
8k views

keyserver timed out when trying to add a GPG public key

I am trying to add a public key for installing a program with CPG. But i am pretty new to this but every command i found gave me the same error: gpg --keyserver keyserver.ubuntu.com --recv-keys ...
3
votes
2answers
234 views

How to monitor the last PID assigned by the kernel?

To monitor process creation I'd like to periodically write the last PID assigned by the kernel to any process on the system (not just processes created by the PID-monitoring program) with a time stamp ...
0
votes
1answer
199 views

Set up an email domain with Postfix and Dovecot

I am very new to the Linux world so please forgive me. I have a VPS running Ubuntu 12.10 x86 and I have installed Rails3, Nginx, Mysql and Passenger. All are up and running. I want to set up mail so ...
20
votes
4answers
6k views

What doesn't need defragmentation? Linux or the ext2 ext3 FS?

Why don't you have to defrag a Linux system? Because it's using the ext2/ext3 file system or because it's Linux? That's relevant, because a have a double boot system (W7 / Ubuntu) and a common ...
0
votes
0answers
346 views

Tracing system call on Ubuntu 12.04

The main task I have to carry out, is to trace the system call of processes in ubuntu 12.04 LTS. Problem is, I am unable to trace them continuously, i.e. as soon as they are added to the system, they ...
1
vote
1answer
4k views

I need a step by step guide to build kernel modules in ChrUbuntu

I don't have experience building kernel modules. And worse, I'm trying to do it on ChrUbuntu, so it seems that I cannot follow the existing Ubuntu guides. For example, this command fails: # apt-get ...
3
votes
2answers
8k views

Ubuntu make fails with No such file or directory /lib/modules/3.4.0/build

I am trying to build the CP210x driver for the 3.x.x kernel on ChrUbuntu. Build instructions: Ubuntu: make ( your cp210x driver ) cp cp210x.ko ...
3
votes
1answer
6k views

USB to Serial in Chrubuntu - /dev/ttyUSB0 missing

The usbserial stuff has been working so well for me in Ubuntu for a number of years that I have almost forgotten how to troubleshoot it. I just installed Chrubuntu, however, and now my usbserial is ...
3
votes
1answer
104 views

Window contents disappear after maximizing

Window contents usually disappear after Maximizing them! Especially Firefox. I'm running Ubuntu 12.10 on a Vaio Z56 laptop (graphics card: nVidia GeForce 9300M GS). I've read this question before and ...
1
vote
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 ...
0
votes
1answer
50 views

Is there a clang-snapshot?

I've just discovered the wonderful gcc-snapshot package for Ubuntu. I don't see a clang-snapshot or llvm-snapshot package though. Is there an equivalent for clang?
2
votes
0answers
217 views

Install man pages in directory with update-alternatives

Using update-alternatives(8) on a Debian system it is possible to add man pages as slaves under some master alternative. For example, the following command installs an alternative man page tclsh.1 ...
2
votes
2answers
545 views

Lenovo ThinkPad E430 - 32 or 64 bit?

I just bought a Lenovo Thinkpad E430 and want to install Ubuntu in it. But I don't know whether I should install 32 bit or 64 bit. Its core i5 3rd generation and 6gb ram (2 + 4)
2
votes
1answer
1k views

Running Ubuntu of a USB stick. Can't install wireless driver

I've installed Ubuntu 12.04 on my 8 gb USB stick, and got it running. It seems like I don't have the full Ubuntu OS on the stick though, and that was my intention. Anyway, I can run a "demo" version ...
0
votes
1answer
326 views

Anti Aliased Fonts with NoMachine NX

I am running nx server on a headless ubuntu server. Its desktop is to Unix -> Custom -> Emacs which gives me an Emacs window on the local machine. The only thing that does not work as expected is the ...
3
votes
2answers
409 views

Finding yum equivalents of apt repositories?

I have code to setup an Ubuntu server that relies on apt-get. It has lots of packages as documented on our project wiki, for example these: development environment and the ruby dependencies. However, ...
0
votes
1answer
59 views

How to remove a package for the current user?

How can I remove a package for a given user but leave it installed so that other users can still access it? I'm using Ubuntu 12.10.
1
vote
1answer
266 views

Networking not working on ubuntu server 12.10 on B75MA-P45 mobo

Just got some new parts to but together a local development server with Ubuntu server 12.10 and I can't get networking working. I have an airport extreme for my router and it works find with CentOS ...
1
vote
1answer
202 views

HAProxy should not forward an incoming request to down instance

In my scenario, I have 2 servers, both are communicating with HAProxy. When a request comes in, HAProxy splits the request and sends it to both servers, following a round robin method. If in any case ...
1
vote
1answer
812 views

How can I test whether the output from a command is null or empty string? [closed]

I'm trying to get a pre-commit hook script to work on our old SVN box. It's very old, running Ubuntu Server 8.04. This script: @echo off :: :: Stops commits that have empty log messages. ...
3
votes
1answer
616 views

Power consumption monitoring problem

I used powertop v.2.1 under Ubuntu 12.04 but it missed the power est. column.It's the same situation as described https://bugzilla.redhat.com/show_bug.cgi?id=796068‎ and that bug is supposed to be ...
1
vote
1answer
268 views

LAMP Server setup for personal development

I am setting up a LAMP server in VirtualBox for personal development. This will be an Ubuntu Server 12.04 install, and I will be using Virtual Hosts for Drupal, Yii, and other small PHP apps. Ideally ...
2
votes
2answers
327 views

How to open a program as another user inside a logged display?

I'm trying to open netbeans as a different user, but isn't working. I'm running a Kubuntu 12.04 LTS with KDE. And I tried the following: Open a terminal, type su - myotheruser, type the myotheruser ...
0
votes
1answer
132 views

nohup and screen not working when running program in background?

I don't why but my screen command running on server is stopping on its own. Therefore I tried to use nohup. e.g: nohup bzcat a.bz But when running nohup it is giving me nohup: ignoring input and ...
1
vote
2answers
480 views

Unable to chown recursively

I'm using this command: chown root:www-data /var/www/example.com -R but I get an error message that the directory is not listed. What is wrong?
3
votes
2answers
427 views

I need a very light weight GUI to run under Ubuntu 9.04 (jaunty) with a twist

I am in kind of a pickle. I have a VPS, for which I am paying next to nothing and grandfathered in. Therefore I am unwilling to part with it. And I want it to perform a smidgen more by making it ...
1
vote
0answers
244 views

No sound in Ubuntu 13.04 i386

I have a machine running Windows 7-ultimate 32-bit. I installed vmware workstation on it and Ubuntu 13.04 i386 on that vmware. But on Ubuntu I don't hear any sound, any start up or movie or music ...
1
vote
2answers
5k views

What Linux Distro contains support for Killer E2200 Ethernet chip?

I've been very interested in switching over to a Linux based system lately. I've decided I'm going to dual boot, but my primary machine will be the Linux system. I found that Ubuntu 12.04 didn't have ...
0
votes
0answers
603 views

*ERROR* timed out waiting for panel to power on

I'm using Ubuntu 13.04 on Asus VX6 (1.8GHz Atom - 2 cores, optimus nVidia ION) with Kernel 3.9.0. When I start my system I get this error: [ 15.728106] [drm:intel_enable_lvds] *ERROR* timed out ...
1
vote
4answers
5k views

Change sampling rate in ALSA

I'm a Computer Audiophile, I've used Windows (with ASIO4ALL)and OSX for Audio. Now I'm making Ubuntu 13 my HTPC/Stereo Audio. To begin with I disabled Pulse audio and using GooMusicplayer with ALSA. ...
2
votes
2answers
211 views

Can't install anything

I'm not able to install, update or do anything else with apt-get, aptitude, dpkg and so on. The lock-file /var/lib/dpkg/lock exists from boot-time on. When I delete it and run apt-get update, it ...
0
votes
0answers
520 views

Dual boot windows 8 and Ubuntu 13.04 & Broadcom Compatibility

I have windows 8 pre-installed and also want to use Ubuntu (13.04) as my secondary OS. I had problems regarding Broadcom STA wireless drivers in 12.10, but the drivers work fine on older versions. How ...
2
votes
1answer
259 views

Can't delete system email

While running Postfix on an Ubuntu, I have acquired a number of test email in an account usr1, and now I want to delete them before starting other testing. However, every time I try to delete using ...
1
vote
1answer
137 views

Scrambled Xen Console on dom0

I installed Xen using the recommended procedure on Ubuntu's site using motherboard Supermicro X7SBL-LN2 and Ubuntu 13.04 amd64. After the installing it and rebooting my console looks like this: ...
1
vote
0answers
234 views

Native Instruments Audio Kontrol 1 - crackling sound

I am very new user to the Linux world. I istalled newest Ubuntu on my old ASUS A7CC laptop. I would like to use also my older external sound interface Native Instruments Audio Kontrol 1. I am able to ...
2
votes
1answer
302 views

Forgot encfs password

I followed the guide here: http://www.webupd8.org/2011/06/encrypt-your-private-dropbox-data-with.html to get dropbox encfs working on my first computer. I disabled the syncing of the encryption key. ...
3
votes
1answer
361 views

Replacing Multiple Debian Packages from Compiled Source

I've had to download and install a version of a library from its source code repository. The problem is is that other packages from the Kubuntu package manager require this library to be installed. ...
5
votes
1answer
1k 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 ...
2
votes
0answers
653 views

Ubuntu : after upgrade, wire network is unstable

Yesterday I have upgraded to Ubuntu 13.04. After I upgrade, I have a serious problem with network (I use wire network): my network is unstable. After a short time using it, it often disconnects. It ...
1
vote
1answer
411 views

Virtualbox kernel modules not loading at boot

I have been running virtualbox on an Ubuntu 12.04 laptop for a while and it has all worked smooth, but suddenly, probably after a kernel upgrade, the vbox* modules are not loading at boot, if I ...
2
votes
3answers
5k views

Installation problem with python-software-properties

I need to install the last version of node.js but my system has in repository older version. I need to add new ppa source. I followed this tutorial Question - when I install ...
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 ...
2
votes
2answers
529 views

Ubuntu Bash - Changing permissions to user files for automating Apache VirtualHost creation

Moved here from AskUbuntu I currently have a small Ubuntu Server 12.04 machine (test environment) with about 3 non-root users created. Each user has their own public_html directory under their ...
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 ...
2
votes
1answer
311 views

Recover Partially Formatted Hard Drive

I'm running Ubuntu 12.04, and recently tried to safely remove my external hard drive using the GUI, but the "Format" button was right next to the "Safely Remove" button. I stopped the format as soon ...
0
votes
1answer
121 views

How much success can I expect with Qemu On PowerPC Linux?

I'm on Ubuntu 12.04 for PowerPC and I installed Qemu just for kicks, having experience using it in the past to build an iso for an arm tablet, and upon doing a search I found this installed on my ...
2
votes
0answers
96 views

What does apt need to be healed of a bad setup?

I made a couple of earlier posts regarding a libssl-dev that, it seemed, was not removable. Some of the replies touched on that there was a problem with apt, and now that someone posted the command to ...
2
votes
1answer
100 views

How can I forcibly remove a package from Ubuntu by hand?

I posted this on ServerFault and got some helpful-looking questions, but no answer in terms of what can I do. What, on a low level, can I do to completely exorcise a package that is jamming aptitude ...
-2
votes
1answer
68 views

Novice Ubuntu 12.04 user needs help! [closed]

I'm new to Unix/Linux and someone suggested I try Ubuntu. I like it but I can't figure a couple of things out and don't really have time to google up ways to solve the problem. Answers from a quick ...