Ubuntu is a free open source operating system based on the Debian GNU/Linux distribution. Consider using http://askubuntu.com/ to ask questions about it.

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12
votes
8answers
36k views

OpenSSH server refuses to accept key authentication

I tried to use public key authentication on my new server, and I came across this problem. $ ssh -v -i .ssh/server 192.168.1.100 OpenSSH_5.6p1, OpenSSL 0.9.8r 8 Feb 2011 debug1: Reading configuration ...
1
vote
2answers
2k views

Unable to close SSHD on IPv6 TCP port

I'm running Ubuntu 10.4 and I've tried disabling IPv6 as I don't currently need it. I rand the following to disable IPv6 and then rebooted my server: echo "#disable ipv6" | sudo tee -a ...
2
votes
0answers
154 views

Apple Aluminum Keyboard Function Key Broken in Ubuntu

Using the latest Apple Aluminum keyboard, the "fn" key seems to have stopped working. I'm not talking about being swapped with standard OSX, I mean the "fn" key doesn't register whatsoever, rendering, ...
1
vote
0answers
288 views

Apple Aluminum Keyboard Function Keys Broken in Ubuntu 10.04

Using the latest Apple Aluminum keyboard, the "fn" key seems to have stopped working. I'm not talking about being swapped with standard OSX, I mean the "fn" key doesn't register whatsoever, rendering, ...
0
votes
1answer
554 views

Copy all files from multiple subfolders into a folder on Ubuntu

I have downloaded over 7000 ebooks from Gutenburg, but the issue is is that they are all in zip files. and each of these zip files is in its own folder. I am trying to move all of the zip files into a ...
3
votes
1answer
10k views

tightvncserver on Xubuntu gives gray screen when logged in

I having trouble figuring out why I am getting a blank grey screen with an X cursor when I connect to a freshly installed vnc server. I have done some googling and cannot seem to find an answer to ...
1
vote
1answer
2k views

Configure Ubuntu hostnames

I'm trying to configure a Ubuntu 10.4 server and have a little confusion with configuring with hostnames. My domain is example.com and the hostname would be one. If I'm correct, when I've configured ...
0
votes
1answer
506 views

32-bit BLAS, LAPACK on 64-bit Ubuntu?

What's the easiest way to get 32-bit binaries for BLAS and LAPACK on a 64-bit Ubuntu distribution? It seems that there's no lib32blas or lib32lapack library available.
2
votes
3answers
4k views

How to run /etc/init/ttys0.conf automatically at startup?

I have a script at /etc/init/ttyS0.conf. I'm configuring a KVM guest for Serial Console access so even if the network interface is broken, I can still access it via the serial connection. I can start ...
5
votes
3answers
2k views

Starting a program on the desktop from SSH in Ubuntu

I'm logged into my Ubuntu 11.04 box using SSH, and I need to start a program - but it is a Windows GUI program which runs under WINE. How can I start the program from the SSH terminal so that it ...
2
votes
2answers
659 views

I wrongly formatted USB flash drive and system doesn't see it

I wanted to format flash drive but accidentally I deleted its file system or something. Now the system doesn't recognize the flash drive, how is it possible to recover it? Disk /dev/sda: 500.1 GB, ...
1
vote
0answers
209 views

Downloading font failed during Winetricks installation of Steam

I was using Winetricks to install the Valve Steam client on my Ubuntu machine. However, the download failed for a font. I don't see a way to tell it to start over – what do I do now?
0
votes
1answer
4k views

How can I log in to Webmin if it doesn't accept/I can't remember my user details?

I installed webmin, and I tried to access it with my account (not root, but able to sudo) and I always got login failed. Now I have Access Denied even to my login page for too many ...
0
votes
1answer
623 views

Can't set second monitor to full resolution in kubuntu-desktop on Ubuntu Server

I just installed Ubuntu Server 11.04, and kubuntu-desktop. I have a Intel i3 processor, and an Intel DH67CL Mainboard and am using the onboard graphics card. I have two monitors: One is connected ...
2
votes
2answers
1k views

Partition layout for SSD + 3 HDDs

Yesterday I got my new workstation featuring: 120 GB - OCZ Vertex3 MAX IOPS 300 GB - Western Digital Velociraptor (10k RPM, about 4ms avg. seek) 2x2TB Samsung Ecogreen F4 The system will be ...
4
votes
1answer
712 views

How to find out which processes consume most energy on Linux

In Linux, is it possible to know which processes consume most battery energy at the moment?
0
votes
4answers
328 views

Does Ubuntu enabled 'ANSI-C compiler' and 'build system' by default?

I'm going to install PHP and Apache, and instructions say: "You need a respectable ANSI-C compiler and build system,two items that are available through all of the major distributions' package ...
0
votes
1answer
79 views

Ubuntu server to desktop without screwing grub

this is my system: Windows 7 on an SSD Ubuntu Server on a SATA hard drive I need to remove Ubuntu Server and install Ubuntu Desktop, without causing a fuss. Any advice?
0
votes
0answers
66 views

Access internet through another machine [duplicate]

Possible Duplicate: How to share Internet Connection in Ubuntu I have two machines, both running Ubuntu. Both the machines are on a local network. I am behind a proxy server and am required ...
1
vote
1answer
747 views

Getting Java 7 to run on Ubuntu 11.04 [closed]

I don't know if it makes a difference, but I downloaded the SDK from the official oracle site and I picked the linux x86 compressed binaries (second item on the list). I'm on Windows 7 with an i7, ...
1
vote
1answer
540 views

How to assign command to mouse middle-click in Ubuntu?

TL;DR version Does anyone know how to assign a command to a mouse action (e.g. holding middle-mouse-button)? Like this: hold down middle-mouse-button, command #1, release middle-mouse-button, ...
0
votes
2answers
119 views

Not able to install Ubuntu on Windows 7

I am trying to install Ubuntu on my Windows 7 machine. The initial installation finished, when I was then given the option to restart the machine to complete installation. After restarting it says ...
1
vote
1answer
226 views

Why does gnome system monitor take a gig of memory?

I'm using the gnome system monitor applet/application to watch what goes on in my ubuntu machine, and when I sort by memory size, the program itself takes up 1.3 gig, 870meg resident. It's a stupid ...
3
votes
3answers
9k views

Where can I find desktop Ubuntu releases on a vmdk?

Any official or de-facto websites that supply this ? Details: I specifically need Ubuntu 10.04 LTS desktop version, in general; ubuntu desktop LTS versions.
0
votes
1answer
572 views

Can't use HTTPS websites after connected to VPN

My workplace uses a Cisco VPN. When I'm at home, connected wirelessly through my Linksys router, I'm having trouble loading HTTPS sites. (I'm using Ubuntu, which doesn't cache DNS entries) Here's a ...
2
votes
1answer
3k views

PPTP VPN: External computers can access network, but internal computers can't access external

I've recently set up a VPN for my home (using an Ubuntu host and PPTP, see links at bottom) so I have access to my servers where ever I am, and so far it's worked how I wanted it to. I've got it set ...
2
votes
0answers
396 views

How to set up vpnc with certificate auth, no IPsec group/secret?

I work for a company that has a Cisco VPN server set up with apparently certificate authencitation (and username/password), but no IPsec group/secret. How do I configure vpnc in Ubuntu to not prompt ...
1
vote
1answer
751 views

Windows 7 host; Ubuntu 11.04 VM machine, no copy/paste

Basically, as the titles says I've got a Windows 7 host, with VMWare installed. I'm using VMware 7.1.3 and everything works fine apart from one thing. Recently (literally today) for no obvious ...
0
votes
1answer
78 views

Ubuntu virtualization with Virtualbox

On ubuntu 11.04 I created a virtual machine with Windows 7. Now at /home/username folder I have both ISO image of Windows and a folder with the system created by VirtualBox. The question is can I ...
1
vote
2answers
1k views

terminal transparency, Imagemagick, and X11 root window problem

I use Ubuntu Natty, urxvt (with 256 colours), and Imagemagick (display -window root [...]) to set the root window to a picture. When I use the transparancy (-tr) option on urxvt, I get the Ubuntu X ...
1
vote
1answer
1k views

Cannot set 1080p resolution in Ubuntu

I am working on Ubuntu 10.04. I bought a new computer and installed Ubuntu 10.04 on it. However, I tried a lot of methods found from the internet such as using xrandr, modifying the xorg.conf to ...
4
votes
1answer
6k views

Ubuntu 11.04 - disable NVIDIA graphics card

I have an Asus U36 laptop running Ubuntu 11.04 with two graphic cards - one from Intel which is quite sufficient for me, the second from NVIDIA which consumes a lot of battery while not even working. ...
6
votes
1answer
2k views

Two commands to move files to trash. What's the difference?

trash-cli provide a trash command, and gvfs-bin provides a gvfs-trash command that move files / directories to the trash can. Is there an important difference between these two commands?
2
votes
1answer
2k views

Grab all dependencies from apt-get for offline install (Ubuntu 11)

How do I use apt-get to install a package on an offline computer? With a separate (connected) computer, I can use apt-get --download [package] to pull the package I'm interested in but this fails to ...
2
votes
2answers
118 views

What do I need to share a partition for both Windows & Linux?

I wand to use a partition and to be accessible for Windows 7 & Linux Ubuntu for read/write operations. Can anyone recommend me something?
5
votes
3answers
21k views

Why do I get “this CPU is not compatible with 64-bit mode” on a 64-bit processor?

I have a 32-bit Ubuntu 10.10 as a host OS, VirtualBox 4.0, Windows 7 64-bit Professional as a guest OS. The laptop processor is 64-bit. When I try to load Windows 7 64-bit in VirtualBox, the error ...
3
votes
3answers
1k views

PHP 5.2 and PHP 5.3 on mod_php (apache) on Ubuntu 11.04

I have to develop both on php 5.2 and on php 5.3. I need those two versions installed on my system and ability to switch fast between them. One solution I found is to upgrade/downgrade everytime I ...
3
votes
3answers
4k views

VMware host-only networking Internet access

I am running a Ubuntu Linux VM using VMware Player on a Windows 7 host. I don't want to connect directly to the network or use NAT; I need host-only networking but also need Internet access. How can ...
1
vote
1answer
2k views

how do I turn a computer into a real safe router?

I have an old hp that i installed ubuntu on and I was wondering how I can turn it into a real router. By real router I don't just mean broadcast the internet but use security software, configurations, ...
3
votes
2answers
10k views

Ubuntu System-Wide Proxy Auto-Configuration (PAC) script

I am using Ubuntu via VirtualBox. I need to set proxy auto-configuration script. It works in FireFox but the global preferences-->network has no effect. So when I do "apt-get install" it is not able ...
5
votes
4answers
5k views

Can I fine-tune my screen brightness?

My laptop is Lenovo T400, and my OS is Ubuntu 10.10. I change the brightness of my screen by pressing the FN key and one of the two keys for increasing/decreasing brightness. The brightness I feel ...
2
votes
1answer
2k views

Unable to do Port Forwarding in Virtual Box

I'm using Mac OS X 10.6. I have installed Virtual Box 4.1.0 in it. My Guest OS is Ubuntu Server 11.04. I have added a rule in Port Forwarding in Virtual Box -> "guestssh" TCP 127.0.1.1 8080 ...
4
votes
1answer
2k views

How do I open gnome-terminal in a maximized window by default?

I am using Ubuntu 11.04. When I launch gnome-terminal, how do I make it open in a maximized window by default? Currently it's only taking part of the screen and I always have to maximise the window. ...
2
votes
2answers
3k views

Why does Linux Ubuntu/Mint lack a root account?

This is a question about Linux Ubuntu (and Mint). As a new user to the Linux system, I was interested in the fact that Ubuntu doesn't allow the PC owner to be root/administrator. Regardless of whether ...
0
votes
2answers
241 views

Recovering Windows Vista Partition after Ubuntu Natty N. install

I recently installed Ubuntu on my DELL's D Drive (Secondary Partition) and I lost the windows vista boot which was on my C Drive. Now when I boot my system directly loads Ubuntu, which seemed to me ...
36
votes
8answers
127k views

How to upload one file by FTP from command line?

I need to upload a single file to FTP server from Ubuntu. This operation should be done in a script (in non-interactive mode). What is the right syntax for ftp? I'm trying this, to no avail: $ ftp ...
3
votes
1answer
415 views

Problems with Windows boot loader and Grub. How to make one primary and the other secondary?

I had a working Windows 7 + Ubuntu 10.10 setup where my primary boot loader was that of Windows 7 and from there when I went on Ubuntu, it took me to Grub. When I updated to Ubuntu 11.04 it made Grub ...
2
votes
1answer
212 views

how to set preferable audio language in Totem (Ubuntu)

How to set preferable audio language in Totem (Ubuntu)? When playing list of movies with 2 languages (Russian and Japanese) Japanese is always selected for some reason. I want to set that Russian ...
0
votes
2answers
418 views

Windows 7x64: different feedback from Putty and command line client

I'm trying to telnet to a port on an Ubuntu server from a Windows 7x64 machine. When I use Putty it gives me a "Connection closed by remote host" error. When I use the windows telnet client from the ...
0
votes
1answer
626 views

Sound over HDMI with Zotac Geforce 210 & Ubuntu

I am trying to get sound to work over hdmi so that the sound plays through my tv. I ran alsa and it says: "This sound device does not have any controls". Alsa identifies a card called "HDA Nvidia", ...