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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4
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2answers
286 views

How to replicate a currently installed Linux system as an installation CD?

I have an installation of Ubuntu 13.04 which I have customized to be just the way I want it (default applications, user accounts, desktop environment settings, ...). Now, I want to be able to ...
2
votes
1answer
46 views

Having error during Ubuntu installation

I have Ubuntu on a USB stick. When I boot from it (select boot from this USB), it shows some logs like usual. I also see the Ubuntu logo with 5 dots below, but then I get these: ext2_lookup deleted ...
4
votes
2answers
5k views

Switch Fn key state

I have this issue with Lenovo Thinkcentre Edge. Its keyboard has Fn key, which acts in my Ubuntu (with Fluxbox) as if it is always "active/pressed". I can't use standard F1-F12 keys unless I hold ...
2
votes
3answers
408 views

How to monitor directory/file changes to rebuild index?

Just moved to Ubuntu 12.04 from Windows 7. Under Win 7 I use "Everything" to search files and directories, it can build the index database and update it once any file or directory changes. I'm very ...
0
votes
1answer
181 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 ...
4
votes
3answers
4k views

Is it possible to export env variable via Upstart?

I need to export a variable FOO=stringhere so that system processes could use it. And the place I would like to do this, is Upstart job. Unfortunately, I tried as per Upstart manual to do env ...
0
votes
3answers
904 views

How to download files from a remote Linux (Ubuntu) Server? [duplicate]

How can I download files from a remote Linux Ubuntu server? I have access to this server, but I don't know a convenient way to download a file from there using SSH (PuTTy), for example. Any ...
2
votes
2answers
508 views

How do I add a KVM guest VM to virsh

I followed this guide to create a KVM guest but I didn't pay attention to this line Note: if you want to use Virsh to manage your virtual machines as detailed below, you must add this parameter:1 ...
0
votes
1answer
159 views

How can I remotely run a Windows 7 application from host on a linux guest without showing up on host?

I have Ubuntu Linux guest running on a Windows 7 host using Virtualbox. I am wondering if I can remotely access the application from Windows 7 on my ubuntu install and not show up on the windows 7 ...
0
votes
1answer
1k views

External drive not being recognized

I am currently running elementary OS (a Linux OS based on Ubuntu so everything in Ubuntu works in it) - dual booting it with Windows 8. I have a 3TB external hard drive (USB 3.0) that does not seem ...
0
votes
2answers
277 views

Why command `ls -d` only print the `.` directory?

I have tried man ls, and then I got -d, --directory list directory entries instead of contents, and do not dereference symbolic links As the manual says, -d means listing all the ...
3
votes
3answers
2k views

How can I change the date modified of a folder to the last changed file inside? [duplicate]

In my media center directory all modified times of my folders are somehow not the desired date. How can I change all modified times of the main folders to the modified time of the newest media-file ...
1
vote
0answers
361 views

PC sudden shutdown, Sensors show normal temps, Thermal event interrupts shows 1276

I'm experiencing sudden shutdowns on my Linux systems. Using Ubuntu 12.04, my kernel version is 3.5.0-37-generic #58~precise1-Ubuntu. Running a Acer M5 581t(G) with 6 gigs ram laptop. I have been ...
1
vote
1answer
151 views

How to figure out what is performing scheduled server reboots?

I'm helping a friend with a server and it appears the server reboots every week on Sunday night. How can I figure out what is causing is the server to reboot? Aside from rebooting, the server appears ...
0
votes
0answers
80 views

What is the correct name for BUILD (config.guess) on Debian (or Ubuntu)?

I'm building a few packages from source and wondering what the correct --build=? is for Debian (or Ubuntu), if any? When I run config.guess manually, the return value is x86_64-unknown-linux-gnu. The ...
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0answers
163 views

Ubuntu 13.04 Choppy Video on HP Compaq nc6400

I have an HP Compaq nc6400 with an Intel Centrino Duo processor, 4gb of ram, and Intel 945GM x86/MMX/SSE2 graphics. When using Chromium browser, I get very choppy video streaming from Hulu. Has anyone ...
1
vote
1answer
218 views

Applications grabing ALSA exlusively

So, my second question about linux audio on the site. The previous one generated quite a lot introductory information. I have ALSA and PulseAudio installed. Before installing PulseAudio, no audio ...
2
votes
2answers
375 views

Mouse pointer stuck as I login

I am facing this problem,and I don't know I dig into it. As I log into Ubuntu my mouse pointer get stuck. I have tried the following methods: sudo apt-get update sudo apt-get upgrade I have also ...
2
votes
2answers
683 views

Find out screen id

I want to start a program with SSH using PHP, which works fine, but now I want to kill the screen with PHP, but the only thing I know is the name of the screen. How do I find out the screen ID ...
1
vote
2answers
114 views

Move and empty /home partition of Ubuntu

My partitions are: Ubuntu's / on /dev/sda1 Ubuntu's /home on /dev/sda6/ Crunchbang's / on dev/sda7 Now I want to install Backtrack, but for this I need to get rid of Ubuntu's /home and move its ...
0
votes
2answers
137 views

How to attach my domain with bind in real www

How to attach my domain with bind in real wwwI install bind9, with apache. By God's very grace every thing went smooth. my dig, host, nslookup and ping provide this info: my system ip address: ...
3
votes
2answers
829 views

How can I run my own scripts in kate 3.8.2? “External tools” isn't available in the plugins section

I am using Kubuntu 12.04 LTS. How can I run my own scripts in kate 3.8.2? It appears that the plugin named External tools is no longer available. I would like to run Python or shell scripts in kate ...
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vote
2answers
254 views

errors trying to transfer via SCP [closed]

I'm trying to transfer a file between two servers and i'm getting different errors. Option 1: Logged at OLDSERVER via SSH scp file.tar.gz root@IPADDRESS:/var/www/. The error in this case is ...
2
votes
1answer
456 views

How to setup whatever.localhost.dev to resolve into 127.0.0.1 on Ubuntu 12.04?

I'm running Ubunut 12.04 I want *localhost.dev to point to 127.0.0.1. Ubuntu 12.04 comes with dnsmasq-base installed with network-manager. But there is no /etc/dnsmasq.conf. So I installed the ...
0
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0answers
52 views

unable to run node in ubuntu 12.04

I installed nodejs on ubuntu from instructions given here When I write node --version in the terminal I see this : -bash: /usr/sbin/node: No such file or directory I can see node in the /usr/sbin/ ...
1
vote
1answer
41 views

Cannot figure out how to revert back to backed up profile file

Basically, I made a backup copy of my /etc/profile (or ~/.profile I can't remember exactly) file that executes as soon as you login to a TTY, and then I changed the one that was there, and now it ...
5
votes
1answer
823 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) ...
1
vote
1answer
2k views

How to properly automatically/manually rotate log files for production Rails App

I am taking over administration for a server which has a custom made 3rd party Rails app. The app developer informed me that the ruby log files are getting large and pointed me to the following link: ...
0
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0answers
165 views

Installing oracle in pendrive Linux

I am thinking of installing Pendrive Linux (Ubuntu 12.0), and after that I need to install Oracle in Ubuntu. Does that mean Oracle get installed on my Pendrive space or Windows Partition? I am using ...
1
vote
1answer
127 views

Ubuntu 13.04 on Acer x64 PC, only boots after starting recovery

I have this strange problem with my Acer E1 421. First of all it's important to say that I've upgraded this laptop's memory to 8gb RAM instead of 2. I decided to remove Windows 7 x64, and install ...
1
vote
1answer
105 views

How to know I am using vi or emacs input?

Crash shell allows to specify the command line editing mode to vi or emacs. What will be the difference in these input methods? I am not asking about the internal features.
4
votes
1answer
871 views

how to enable command history of shell

I am using ubuntu 13.04, in this the command history of the shell is getting erased on close. Can someone tell me how to prevent this from happening?
3
votes
2answers
80 views

Some info pages missing

On my computer (ubuntu 12.04), some info pages are missing, like for tar. When I enter info tar, it opens the tar manpage instead of the tar info manual. So how can I install these pages on my ...
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vote
0answers
64 views

Wireless driver crashes when I'm too close to Access Point

This is the opposite of your usual WiFi problem: my signal strength is too high, now too low. Ever since I upgraded my access point to an Asus RT-AC66U, the WiFi driver for my Lenovo Y480 crashes ...
0
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0answers
166 views

slow Matlab on Ubuntu LTS and ZERO Swap

I was using Matlab2012 under Win7 and my algorithm was consuming a huge amount of memory though it was fast (80 seconds for one iteration). Now I am using Matlab2013 under Ubuntu 12.04 LTS and though ...
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0answers
94 views

System cannot load Ubuntu based OS's

I built a computer a few months ago, specs listed here. I then installed Linux Mint 13, but then when I wanted to install Ubuntu, the install would start, and I would select "Install". But when it ...
0
votes
2answers
3k 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 ...
2
votes
2answers
6k views

Restrict FTP user to a directory

Sorry if this is an obvious question, but I don't have a lot of knowledge about this sort of thing, and I've googled for hours, nothing worked. So on a Ubuntu 11.04 server, I want to restrict a user ...
3
votes
3answers
10k views

Why isn't there a server edition for Fedora like Ubuntu? [duplicate]

I was looking for a server edition of Fedora to download, and just found that they don't have one. It's very strange to me. If Ubuntu has both desktop and server editions, why doesn't Fedora follow ...
4
votes
1answer
970 views

Can't ssh to beaglebone?

After I did: route add default gw 192.168.7.1 I also changed /etc/resolv.conf: nameserver 192.168.7.1 in order to share internet between Ubuntu in VMware. I've got internet working but after a ...
2
votes
1answer
668 views

Environment variable for ip address

I see somewhere people use: IF_ADDRESS="$(echo "$IP4_ADDRESS_0" | cut -d'/' -f1)" to get the IP address in a network configuration script. In my system, I create a script under the directory ...
2
votes
1answer
56 views

Why gnustep-config outputs nothing for any parameter?

Regardless of what I run: gnustep-config --debug-flags gnustep-config --objc-flags gnustep-config --base-libs It outputs nothing. How would I debug this? PS: the OS details: Ubuntu 12.04.2 LTS, ...
2
votes
1answer
445 views

Chromakey -video-editing in Unix?

My friends are recommending me to use OSx for video-editing but trying to use old good OSs such as Debian and Ubuntu. How can I do chromakey -video-editing in some Unix or Linux?
1
vote
0answers
152 views

Memory test while booting . Unable to boot Ubuntu 12 04 LTS

I'm running Ubuntu 12.04 LTS. All of a sudden, my I'm unable to load the OS. A memory test is happening while I'm trying to boot the system.
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vote
1answer
2k views

Gnome and Cinnamon loads in fallback (classic) mode only

So I have been using linux mint for a while now. A few months ago my Gnome shell crashed and I was unable to use the full 3d features and loaded into fallback mode only. From that day (around 2 months ...
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vote
2answers
1k views

Uninstall Aptana from Ubuntu

Can someone please tell me how to uninstall Aptana from ubuntu 12.04 LTS? I followed these instructions, in summary: Install the prerequisites with apt-get install. Download Aptana Studio Extract ...
3
votes
2answers
142 views

Silencing all stdout during bootup

I am looking for a completely silent bootup of my Ubuntu Server 13.04 installation (dumped to file rather than stdout). What I want is the screen to be blacked out (eventually replaced with a logo) ...
0
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3answers
154 views

How can I first download KDE files and then install them offline on Ubuntu?

How can I first download KDE files and then install them offline on Ubuntu?
0
votes
1answer
280 views

XUbuntu: Window manager stopped to work

I installed XUbuntu on my netbook and it worked like a charm for about a week. Then, today, the Software center application crashed and since then the window manager stopped to work. Thera are ...
2
votes
3answers
2k views

redhat vs debian/ubuntu system architecture (& not deb vs rpm)?

What are the key areas (except package management) where Fedora/RHEL/CentOS differ from Debian/Ubuntu Linux systems? I'm asking this from a newbie's perspective to the Linux admin world so that I can ...