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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2k views

Having a bash script run at startup and display the results when I log in

I am running Ubuntu 11.04 and I want to be able to run a command like top so when I login it is running in a window. I been trying many things for a while now and can't seem to get it to work I ...
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2answers
1k views

Run Python Portio script as normal user without root access

I know there are risks running a root script as a normal user, but in this case I don't have a choice and what I am doing is machine related. I have an Small Board Computer that has GPIO ports and I ...
4
votes
2answers
879 views

Power management hook for running scripts on wake

I'm looking for a way to run an arbitrary script every time my laptop wakes up.
4
votes
4answers
3k views

How come I installed Ubuntu 64 bit on a Pentium 4 machine?

I have just tried booting the Ubuntu 10.10 64 bit live USB on this machine and to my amazement everything works fine. I even installed the system, after which I checked with uname -a and the result is ...
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3answers
4k 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 ...
3
votes
2answers
2k views

it takes too long to connect to ssh server

I've got two VMs with arch linux and debian (running under virtual box). Not long ago, it started to take a lot of time connecting to arch VM over ssh. The first time after a while, successive ...
3
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2answers
3k views

Apache ownership and permissions for wordpress

I'm new to running a VPS, but I managed to get the whole system setup and secured without any issues :) My question concerns Apache and the different ways it can operate. For this particular machine ...
3
votes
3answers
3k views

/usr/bin/host not picking up changes to /etc/hosts even after reboot

I have a Ubuntu Server 12.04 (amd64) machine on which, when I change /etc/hosts, the changes aren't picked up, even after a reboot. I am using /usr/bin/host to test, but none of the other programs ...
3
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2answers
770 views

remote desktop connection - similar to team viewer

I have a few different Desktop versions of Ubuntus (13.04, 12.04, Kubuntu,..) on different computers. I would like to manage all of them on a single computer via remote connection and be able to use ...
3
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2answers
5k views

How to Install Oracle 11gR2 on Ubuntu Server 13.04

I want to install Oracle 11gR2 for Linux on Ubuntu Server 13.04. I have downloaded Oracle 11gR2 for Linux, and when I execute use runinstaller it require GUI supported files. While Google I got ...
3
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2answers
447 views

Running a daemon as a non-privileged user

I am trying to set up a Thin Ruby application server on my Ubuntu VPS. I have created a specific account, installed rbenv under it along with all gems. I am looking for a convenient way to obtain the ...
3
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1answer
2k views

Sharing Ubuntu drives with Windows

I'm new to the whole Linux thing. I have a Linux server up and running and have been using this guide as a help. I have an issue with shared drives. My Windows machines can see them but cant write to ...
3
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1answer
622 views

Washed out colours with screencast software but not screenshot on Ubuntu (all versions)

I have experimented with screencast software on Ubuntu over a number of LTS versions and using pretty much every software I can get my hands on. I have used VLC, RecordMyDesktop and some others the ...
3
votes
1answer
341 views

How to figure out GRUB2's menu output

I have just updated a remote machine which is running Ubuntu Server 12.04. I have only access through SSH and now it's asking for a reboot. I'm guessing a new kernel was installed. I need to make it ...
3
votes
5answers
2k views

Finding computer uptime from first day until now

I need to find PC uptime from the day of installation until now. Is this logged somewhere? Does any file log this cumulative uptime?
3
votes
1answer
418 views

Awesome & youtube

I run Awesome WM on Ubuntu. Recently when I try to watch youtube videos in full screen they have been playing in a small letter box - They have not 'full screened'. In the other hand, Vimeo & ...
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2answers
1k views

GNU Radio prerequisite libraries on armhf

After several attempts, I have managed to compile GNURadio on the Raspberry Pi. However, I am just not able to meet the prerequisites for the gnuradio build script on the Pandaboard (Linaro 12.04) or ...
3
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2answers
811 views

Package installation and dependancies - how to prevent installation of existing libraries?

I'm a relatively new Ubuntu server user, so I'm learning as I go. I have an issue with a software package I'm installing (QGIS) which has several dependancies one of them being gdal library. ...
3
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5answers
725 views

Modern distribution on old hardware

I have an old system currently running ubuntu jaunty. The main harware specs are: Processor: AMD Athlon 1,2 GHz RAM: 512 MB Graphics: [SiS] 65x/M650/740 (output from lspci) HDD: 40 GB Now jaunty ...
3
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1answer
396 views

Moving from Ubuntu 32bit: Mint 64bit or Mint 32bit?

I have decided to try out Linux Mint instead of the horrible Ubuntu Unity experince. I have a separate partition for my /home folder, which I'd like to preserve of course. So I'm curious: is it ...
3
votes
1answer
135 views

Link a dependency in Synaptic to the one already installed from source

I want to install SVN version of Quantum GIS and already I have a SVN version of GRASS GIS. As instructed in QGIS Wiki here, I added the qgis repository to my sources.list file. Now I am able to see ...
3
votes
4answers
633 views

Send file to opened editor using command line

Recently I found out a new very useful command. It is: gnome-open or xdg-open or just open on mac. It opens file or directory in by default specified program. But, in the event ...
3
votes
1answer
460 views

How to recover a missing file

I am running ubuntu and last week the system didn't let me alter files as if I had no write permissions. Then on reboot the system did a check of the system which took some time. Then everything went ...
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2answers
7k views

How to use iphone internet tethering via USB with Ubuntu 10.04

What are the steps to use iPhone 3G internet tethering via USB on Ubuntu 10.04? Is there software I need to install on Ubuntu for this? The tethering works fine on Windows.
3
votes
1answer
718 views

How to have correct permissions of files from usb disks?

Does anyone have the following problem? I have an Ubuntu box at work and also one at home. I always copy folders/files to/from an usb disk to/from my boxes. I have to change permissions of ...
2
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2answers
116 views

How can I alert on completion of a long task over ssh?

My desktop is Ubuntu, which has the handy program notify-send, which pops up an alert on the desktop. It also has the following handy alias built in: $ type alert alert is aliased to `notify-send ...
2
votes
1answer
105 views

Computer won't restart without recovery mode and mouse is flickering after I added the ppa ubuntu-x-swat/x-updates

I installed Steam a few weeks ago, and it kept bothering me to add the ppa ubuntu-x-swat/x-updates,so I did it yesterday. After I installed it, my computer was fine until I rebooted. The computer ...
2
votes
1answer
371 views

Is there a way to manipulate lines in logcheck rules before sending?

There are a few cases, such as netfilter logs, where it would be great if I could send the report logcheck is about to send through a filter. logcheck(8) doesn't seem to describe anything like this, ...
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votes
2answers
2k views

How can I know if patch command is working?

I am trying to apply a patch that is provided by the seek-for-android project to code I downloaded from Cyanogenmod. The code compiled successfully with make, so I know all the files are there. I just ...
2
votes
1answer
902 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
1k views

Difficulty with EncFS on CentOS

I'm trying to figure out encfs, but am having some difficulty. This is what I have done so far: I created 2 test folders mkdir /home/oshiro/Desktop/encrypted mkdir /home/oshiro/Desktop/decrypted ...
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votes
2answers
5k views

How to solve problem related to black screen with cursor only after loging in?

Suddenly, I got crash report after logging in to my primary account. It says "cannot open display". But, everything work just fine while loging in with "Guest" account. I tried using these methods ...
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0answers
1k views

Rotating a video (ubuntu 12.04)

I have a video, shot on my android phone, which I want to rotate 90 degrees clockwise for computer viewing. Here's what I expect should work: ffmpeg -i infile.mp4 -vf "transpose=1" -an -vcodec mpeg4 ...
2
votes
3answers
602 views

Hide all open windows on Ubuntu 12.04 LTS

Is it possible to have a button on the side bar to hide every open window on Ubuntu 12.04 LTS?
2
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1answer
5k views

Ubuntu server cannot access the Internet: appears DNS related

This is a Drupal website running Ubuntu 12.04 LTS on Linode. The server is just a website. It is not a DNS server or anything else. Here are my issues. It seems they are all related to DNS issues. ...
2
votes
1answer
970 views

iptables rules too restrictive; Drupal webserver cannot access repositories, ntp or even websites

This is a Drupal website running Ubuntu 12.04 LTS on Linode. Someone recently changed our iptables rules and a number of problems started. These include: Our Mollom spam protection is not working ...
2
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1answer
521 views

How to set-up a online SVN server on my laptop

I had created a local SVN server on my laptop running Ubuntu 12.04 and its working perfectly fine. Now I want to make my laptop as server for some valid users who can access my SVN server though ...
2
votes
1answer
490 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 ...
2
votes
1answer
4k views

Can one install an armel Ubuntu package on armhf Ubuntu system?

My particular concern is about installing "coq" in Ubuntu 12.04 for Toshiba AC100 (armhf distro), which hasn't been built successfully for armhf, but is available for armel -- ...
2
votes
1answer
1k views

Writes to FrameBuffer /dev/fb0 do not seem to change graphics screen

In attempting to write directly to the graphics frame buffer /dev/fb0 , (Ubuntu 12.04) , the graphics screen does not change. Has Ubuntu 12.04 invalidated the use of /dev/fb0 , or does it need to be ...
2
votes
3answers
1k views

Dead (compose) keys not working in GTK apps since upgrade

I'm running Kubuntu with KDE as my main desktop environment. A while ago I set up dead keys so I can type Chinese pinyin and other accented letters and special characters. As a side note, I use IBUS ...
2
votes
2answers
2k views

OpenSSH, chroot user: Root needs to own the user directory, is there any consequence?

I want to create an account for my friend on my computer, but I don't want my friend to be able to view all my files. I saw that with OpenSSH, there is an option for that. Inside the SSHD ...
2
votes
1answer
540 views

How to set separate global/user keyboard settings in LXDE?

I need to have English (US) and no compose key for the system, and I'd like English (Dvorak alternative international no dead keys) + Caps Lock as the compose key for myself. How can I set this up? I ...
2
votes
1answer
471 views

Problem when installing “ia32-libs”

I'm using x64 Ubuntu. A few months ago I accidentally messed up the groups/owners of all files on /, but managed to fix it using a VirtualBox install of Ubuntu. Now I'm running into a problem that I ...
2
votes
2answers
2k views

Updates/applications/packages for Ubuntu 10.10 with no internet connection

I recently installed Ubuntu Desktop 10.10 (i.e 2h ago :D) from ISO CD. All went smoothly but now I have an issue. I don't have a network connection. I do not mean that there is a configuration ...
2
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0answers
327 views

VirtualBox bug[?] when Chainloading Grub2

Regarding this: How to install Fedora&Ubuntu with encrypted VG's on one disk? So booted into Ubuntu..and I run this script: #!/bin/bash # show the bootlist of grub when booting pc sed ...
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2answers
1k views

DSL connection not working in Ubuntu 10.04

I use a wired PPPoE connection to connect to the Internet. What I need to do on Windows to connect to it is put in static IP address, gateway, subnet mask and DNS servers for my LAN card. Next I have ...
2
votes
3answers
1k views

Editing grub menu

I'd like to edit the Grub menu that comes up, to move one line and remove others. I have an Inspiron 1420 that came with Ubuntu 7.10. When it needed a new drive, I installed Windows 7, the original ...
1
vote
1answer
597 views

Backup and Restore list of installed packages and APT sources

I commonly reinstall Ubuntu and back up my APT stuff [sources, keys and installed package lists] using the tutorial at http://askubuntu.com/a/99151/371765. However I commonly also remove software such ...
1
vote
1answer
607 views

How do I run a service with numactl

I need to do something like this to run MongoDB $numactl --interleave=all /usr/bin/mongod --config /etc/mongod.conf & What should I change to be able to run the mongo daemon with the options ...