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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2
votes
1answer
280 views

Fresh Install of Ubuntu Grub rescue

I have a fresh install of Ubuntu 11.04 from DVD on a wiped hard drive. After it finished installing it asked me to remove the media and hit enter. Which I got the message: error: no such device: ...
0
votes
3answers
840 views

How to use gnome-session-save from cron?

I am trying to issue the gnome-session-save --kill command via crontab. I used the command sudo crontab -e. In the file is this: PATH=/usr/bin 00 00 * * * gnome-session-save --kill The command does ...
2
votes
1answer
254 views

Return Carriage not working (Screen)

When I execute the command screen -S myscreen -X stuff $'search add $1 \015' from a shell it works perfectly. If I put it in a .sh file and run it as sh /test.sh variablehere it sends it to screen as ...
5
votes
2answers
414 views

Powertop strange results

I have installed Ubuntu 11.04 and battery life decreased by 2 times. Powertop documentation says that there should be 3 wakeups per second, I have 800-900. I think it's very strange because I didn't ...
4
votes
1answer
219 views

equivalent to Ubuntu's apport-bug in Fedora or Mint?

What is the Fedora equivalent to the Ubuntu command apport-bug to submit bug reports? In Ubuntu, one can use: apport-bug <package-name> For example: apport-bug xorg To submit bug reports ...
4
votes
2answers
4k views

Howto find my xorg.conf. Where is it?

I can't find my xorg.conf. There is no xorg.conf file by default in Ubuntu 11.04. If I run: "whereis xorg.conf" I am seeing: xorg: /usr/lib/xorg /usr/lib64/xorg /usr/include/xorg may be I just can ...
4
votes
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 ...
5
votes
3answers
4k views

How to pipe md5 hash result in shell

I am looking for a simple way to pipe the result of md5sum into another command. Something like this: $echo -n 'test' | md5sum | ... My problem is that md5sum outputs not only the hash of the ...
13
votes
7answers
13k views

Linux equivalent for Windows Startup

Is there any way to add an application/script to the Linux startup so every time the system is on it executes [i'm looking for some automated way, user should not add this by cron job or something ...
2
votes
2answers
917 views

Behavior of ping with partial packet loss on Ubuntu

I am specifically looking on the return variables of running ping on my Ubuntu server, the variables I am looking for is: error status, output on stdout, output on stderr. When pinging a host the ...
0
votes
1answer
167 views

Are there any problems if I install an old version of a Linux distro?

I've got a computer with 512 MB of RAM, and a 50 GB hard disk. Question: will I have any problems if I install an old version of Ubuntu, Knoppix, or any other distro? For example: may I have any ...
6
votes
4answers
5k 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 ...
2
votes
0answers
327 views

Need libca.so (Needed to install epics) [closed]

I need to install epics on my Ubuntu system, but when I try to it returns a warning saying it cannot find the dynamic library (libca.so or libCom.so). I tried to locate them, but it appears that they ...
3
votes
1answer
2k views

Octave package installation: “couldn't create installation directory”

I am trying to install the statistics package (1.0.10) for Octave (3.2.4), which requires the miscellaneous package. When installing the miscellaneous package (1.0.11) I receive the following error: ...
2
votes
2answers
867 views

Why won't my X Server won't start as a regular user?

X won't start on my main machine. I can start it as root, but then it only logs me in as root -- I can't use my regular user account. When I start up, it flashes a black screen, then hangs at ...
5
votes
2answers
2k views

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 ...
10
votes
3answers
2k views

How do I log into my Linux laptop if I have forgotten both the login and password?

How do I log into my Linux laptop if I have forgotten both the username and password?
0
votes
3answers
2k views

RAMFS seems slower than expected — what is the bottleneck?

RAMFS doesn't uses swap (TMPFS does). So I mount the FS cd /mnt/; mkdir SOMETHING; mount -t ramfs -o size=1500m ramfs /mnt/SOMETHING; cd /mnt/SOMETHING I generate a testfile: dd if=/dev/zero ...
8
votes
4answers
25k views

How can I fsck a partition when the device reads as busy (but has been confirmed otherwise)?

I'm attempting to run fsck -p /dev/sda5 to repair errors on an ext4 partition, however the command outputs fsck from util-linux-ng 2.17.2 fsck.ext4: Device or resource busy while trying to open ...
1
vote
2answers
833 views

Are there programs that work for Red Hat but not Ubuntu?

And vice versa? What about other distributions too?
4
votes
1answer
1k views

Unable to mount a second hard drive in Ubuntu Server

I am adding a second drive to my Ubuntu Server. It was previously in a FreeNas system, but I got rid of the XFS partition and created an ext4 partition (in an older Ubuntu system). I then backed up ...
2
votes
0answers
1k views

TP-Link WN321G USB wlan in VirtualBox Ubuntu guest

I am trying wifi usb stick tp-link wn321g @ ubuntu 11.04 (in virtualbox), so far I was able to scan the air, connect to a wpa2 network and do some basic information gathering using airodump-ng Now ...
2
votes
2answers
3k views

dual boot solaris with ubuntu?

I have installed Solaris on my x86 machine (taking 100gb of 500gb). Now I have installed Ubuntu on the system (in another 100gb). I want to make primary OS as Solaris. I know setting have to be done ...
0
votes
2answers
675 views

Installing IE under linux Ubuntu 10.10

I want to install IE browser in ubuntu 10.10. I have done it using wine but its not working. Is there any possibility to install IE?
2
votes
1answer
1k views

Installing Flash Player for Safari in Ubuntu

I have installed Safari browser in Ubuntu 10.10 using Wine tricks. Now I wish to run a website which has Flash content. I am trying to install Adobe Flash but it is not working even though Flash is ...
3
votes
3answers
1k views

Is it Safe to chown on /usr/lib?

Can I do this? sudo chown -R myUsernName /usr/lib I mean can I do this without worrying that my OS will be broken? Or permissions will be screwed up? Here is the reason why I would like to do it ...
7
votes
4answers
14k views

How to get back sudo on Ubuntu?

I have done this: sudo chown -R myname /usr/ and now I can't use the sudo command because of this error: sudo: must be setuid root And as I read this means that the owner of this file ...
3
votes
2answers
2k views

best practice to backup config files

I want to setup froxlor on not fresh install remote server (Ubuntu 10.04.2). I take care of admin the server since two month. Before I start, the previous guy installed and config some services and ...
3
votes
3answers
8k views

Set up Grub2 to boot Freebsd using either Ubuntu tools or LiveUSB to find what partitions?

I currently have Windows7 and Ubuntu 11.04 (Natty) installed on my computer. I also made a FreeBSD liveUSB (or installer, not sure; just dded their .img to the USB stick) and installed it without ...
0
votes
1answer
95 views

Ubuntu x86 10.10 terminal

I just downloaded a Ubuntu v10.10 vmware image for Windows. I'm trying to install a web application that can only run on Linux MySQL, Apache and PHP. How do I open a terminal in Ubuntu?
2
votes
1answer
3k views

What does 'Invalid module format' mean?

After executing... sudo modprobe rt3572sta I get... Invalid module format What does it mean? I'm trying to get Wusb600n v2 working on Lucid Lynx. Does it mean that kernel versions aren't ...
0
votes
2answers
517 views

How to mount a USB drive

I have a USB drive that used to mount with another computer, but won't appear when it should with another. I'm running Ubuntu 11.04 and the drive should appear under "Places". Here's the output of ...
2
votes
1answer
5k views

Play RTMP stream from command-line

I've managed to get flvstreamer to read a radio station's RTMP stream with the options --live -r [url], and it outputs what I guess is the raw audio data + stream info to stdout. Can I make it play ...
4
votes
2answers
10k views

When a process will go to 'D' state?

I'm using "Linux hostname 2.6.28-15-generic #49-Ubuntu SMP Tue Aug 18 18:40:08 UTC 2009 i686 GNU/Linux" All the client machines will use Thin-client ,I will use my laptop for working and I will ...
3
votes
1answer
830 views

Auto mount cd or dvd on CLI based ubuntu server

I am using Ubuntu server as a samba server. The solution I am looking for is whenever the disks are inserted (cd or dvd) they should get auto-mounted to /cdrom directory. Are there any tools for ...
3
votes
2answers
7k views

How to disable screen saver and power management in linux by command line?

Is there a command line you can run that can enable in-habitation, disabling computer going to screen saver, sleep?
5
votes
3answers
5k 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 ...
2
votes
1answer
1k views

How do I access a digital camera drive via usb after safely removing it?

In Ubuntu 11.04, I unwisely right clicked and "safely unmounted the drive" of my Sony HDR-XR150 connected via USB. Now, when I plug my digital camera into my computer via USB, Ubuntu either doesn't ...
1
vote
1answer
2k views

Help with installation of ROOT, PATH variable is getting deleted

I am trying to install ROOT which I need for work. I run Ubuntu 10.04 64 bit on virtualbox on my laptop. After extracting the tarball, I try to source the .sh file using the command as suggested in ...
2
votes
2answers
617 views

Powerful hardware, slow Ubuntu

My computer should be able to run Ubuntu (11.04) without breaking a sweat: CPU: 2.00Ghz Core i7-2630QM RAM: 8Gb DDR3-1333 HDD: 60Gb SSD GPU: 1Gb AMD HD 6570M Swap: 2.7Gb However, opening folders ...
4
votes
1answer
2k views

How to set a static IP in Ubuntu

How do I set my computer to have a static IP in Ubuntu 11.04? The only two lines in /etc/network/interfaces are: auto lo iface lo inet loopback I think usually when people do this they have a wired ...
3
votes
1answer
1k views

Chroot debian squeeze for shell access

A user requires shell access to an Ubuntu server from the WAN side. There are many shell accounts with simple passwords. So shell port (port 22) is blocked in the firewall. For my WAN side user I am ...
5
votes
1answer
11k views

apt-get prompts for CDs when installing packages, how do I make it stop?

I used ubuntu linux before, and I installed debian OS on my labtop using DVDs that I burned. But when I'm trying to use apt-get to install software, the system always asks me to insert disk to ...
4
votes
2answers
9k views

Firmware for wireless card on Ubuntu/Debian?

This is a follow up to my previous question about Debian support for Linksys Wusb600n. I have tried running the Ubunut/Xubuntu LiveCDs and the WiFi does not come up. The Gnome Network Manager menu ...
1
vote
1answer
1k views

Debugging Java program for changing timezone configuration file on Ubuntu

Here is a ruby script I wrote to change the timezone configuration on Ubuntu. I run it with jruby (a Ruby interpreter running in a JVM). require 'java' if ARGV.length == 0 puts "Usage: jruby ...
3
votes
2answers
153 views

Installing drivers in ubuntu

I just installed Ubuntu 10.4LTS on my machine and I'm having trouble following the driver install directions. I am told to execute this command in the 'linux source tree': make ...
5
votes
6answers
28k views

How to transfer files from Windows to Ubuntu on Virtualbox?

How should I transfer files from Windows to Ubuntu installed on Virtualbox? When I plugged in a USB, it only pops up in Windows. How can I see it in Ubuntu?
4
votes
4answers
5k views

How to make an Ubuntu time zone change stick?

I'd like to reset the timezone through editing /etc/timezone. However, after I am done editing and save the file, the system time would not change accordingly. On the other hand, when I take ...
0
votes
3answers
1k views

How to transfer Windows application to Ubuntu on Virtualbox?

I have Matlab on Windows 7 and I need to use it in my Ubuntu system installed on Virtualbox because I am working on files only compatible in Linux. How can I transfer Matlab into my Ubuntu system?
4
votes
1answer
1k views

How to switch between GPU's

How can I switch between two GPU's on-the-fly using Ubuntu 11.04? I have an Asus EEE1015PN intel N550 with two GPU's: GMA3150 and Nvidia ION2. For example Windows 7 will switch to the bigger CPU when ...