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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115
votes
12answers
93k views

How do I detach a process from Terminal, entirely?

I use Tilda (drop-down terminal) on Ubuntu as my "command central" - pretty much the way others might use GNOME Do, Quicksilver or Launchy. However, I'm struggling with how to completely detach a ...
26
votes
9answers
18k views

Remote desktop to Mac from various platforms (Windows, Ubuntu)

I fear I know the answer to this already, but I would like to be able to connect to my Mac Mini in a 'remote desktop' fashion. I would like to connect to my Mac as if I were sat at my desk, but I ...
8
votes
7answers
10k views

How to install Ubuntu, Windows XP and Windows 7 from scratch as triple-boot system

I'm currently running Windows XP, but have ordered Windows 7. I want to keep Windows XP on a separate partition, and install Ubuntu as well. In which order should I install the OSs, and is there ...
8
votes
2answers
2k views

Make grub keep its default boot under kernel updates

I dual-boot my machine and I want it to default to boot into windows so that whenever I restart the machine remotely from my home it will be able to get back into Windows (instead of Ubuntu). The ...
34
votes
2answers
35k views

Can I create an SSH user which can access only certain directory?

I have a Virtual Private Server which I can connect to using SSH with my root account, being able to execute any linux command and access all the disk area, obviously. I would like to create another ...
3
votes
3answers
23k views

Repair grub mbr and /boot using ubuntu 9.04 live CD

I have broken my boot sequence on my XP/Vista/Ubuntu box. I wish to restore the system back to the way that Ubuntu 9.04 (last installed OS) had it setup. I want to do only the mbr and /boot on the ...
104
votes
6answers
229k views

How to mount a HFS partition in Ubuntu as Read/Write?

I plugged in my external harddrive (which was formatted on my Mac into HFS+ journaled) to my Ubuntu desktop 9.04 64bit. I am not able to get the drive to mount with write capability, how do I do ...
25
votes
8answers
34k views

How to extract text with OCR from a PDF on Linux?

How do I extract text from a PDF that wasn't built with an index? It's all text, but I can't search or select anything. I'm running Kubuntu, and Okular doesn't have this feature.
37
votes
5answers
16k views

Getting macro keys from a Razer BlackWidow to work on Linux

I picked up a Razer BlackWidow Ultimate that has additional keys meant for macros that are set using a tool that's installed on Windows. I'm assuming that these aren't some fancypants joojoo keys and ...
10
votes
4answers
2k views

Booting into a Virtual Machine from a physical installation

In Mac OSX, you can create a Boot Camp partition, install Windows on it, and then later by using Parallels you can boot into that OS virtually in OS X! Its awesome, I've been using it on my macbook. ...
2
votes
2answers
966 views

How to recover deleted files?

My laptop has two os. one is windows vista. and other is Ubuntu. I am currently on ubuntu system, this is my primary OS. There are 4 partitions of my hard disk Windows OS Linux(Ubuntu OS) Data ...
49
votes
10answers
62k views

Automatically mount external drives to /media/LABEL on boot without a user logged in?

This question is similar, but kind of the opposite of what I want. I want external USB drives to be mounted automatically at boot, without anyone logged in, to locations like /media/<label>. I ...
31
votes
8answers
6k views

How do you track which packages were installed on Ubuntu (Linux)?

(This question is very similar to 10458. It was suggested that Fedora and Ubuntu/Debian are different enough to warrant different answers.) As I use any Ubuntu setup I gradually install a number of ...
0
votes
3answers
1k views

Recover files from deleted partition

Somehow one of my partitions disappeared (I didn't even have the disk manager open, so I'm really not sure how that happened). The volume was simply deleted. It was an NTFS partition, created under XP ...
6
votes
2answers
1k views

Can't find the right Ubuntu Server ISO for VirtualBox

I have been trying all morning to find the right Ubuntu Server (12.04) ISO to use for installing an Ubuntu guest OS on my VBox VM. Here are the relevant stats: Host Machine: AMD 64-bit Host OS: ...
5
votes
4answers
2k views

Join multiple MP3 files (lossless)

How do you join multiple MP3 files into one? "cat" and "mp3wrap" are no good as they produce non standard MP3 files. I know I can use audacity, but when you have 1000's of MP3 files to join into ...
3
votes
3answers
828 views

Cloning Fresh Windows 7 -fsed HDD to Linux Server because having no external HDD or disks for the Backup

New lenovo x220 laptop with Windows 7 Pro with the below specs. I want to backup the disk to my server but I need to know the W7 fs, what is it? $ sudo mount -t ntfs /dev/sdb Windows/ NTFS signature ...
6
votes
1answer
181 views

Returning from Dual-boot to just Windows

I installed Ubuntu sometime back along side Vista, but later found that I rarely (if ever) use Ubuntu. How easy is it to return my computer to its initial state of having only one OS, and freeing up ...
4
votes
2answers
1k views

Moving VMware OS image as primary OS on a system

How can you take a VMware image and place it onto other hardware systems as the default OS? I want to do this with my Ubuntu VM's
6
votes
3answers
5k views

Recovering a accidently deleted file in Ubuntu

I'm using ubuntu 9.10 and accidently deleted a specific file within a directory on my system. I checked in the Trash bin and could not locate the file. I deleted it 10mins ago, are there any tools ...
76
votes
5answers
34k views

Aptitude vs. apt-get: Which is the recommended (aka the “right”) tool to use?

Some time ago I read that aptitude is the preferred tool for installation on Debian-based systems. But when you search around on how to administer a Debian-based system, then aptitude is rarely ...
26
votes
4answers
37k views

How do I make Bash my default shell on Ubuntu?

I have a .bash_profile in my home directory, but it isn't getting run on login. If I do the following, then things seem to be as I expect: ssh myhost bash source ~/.bash_profile But normally that ...
23
votes
9answers
5k views

How to track LAN usage? (AKA 'top for LAN')

There's an evil application that is eating ALL my upload bandwidth (I'm brazilian, it's only ~35kbps) for like 80% of the time my PC is turned on. I would like to know if there's any way to track ...
8
votes
2answers
48k views

How do I move the Windows 7 Boot Files (bootmgr, …) to a different drive?

I wanted a dual-boot setup. So first I installed Windows 7 on the 1st partition of one hard drive (we'll call it HDD1), and then I went to install Ubuntu 9.10 on the second partition of HDD1. ...
11
votes
3answers
2k views

How do I remove KDE from Ubuntu if I decide not to stick with it?

I installed kubuntu-kde4-desktop package on my Ubuntu 9.04 install to give KDE a fair shake since I've always wanted to try it. I'm not done with it yet, but if I decide I want to go back to my tried ...
3
votes
4answers
4k views

Suggestions for sharing and using data between Ubuntu and Windows 7 dual boot

Note: TL;DR, scroll to bottom for summary. I recently set up my computer for a dual boot between Ubuntu 9.10 and Windows 7. My current drive setup is as follows. | A1 | A2 | | B1 | B2 ...
13
votes
6answers
36k views

Ubuntu on VirtualBox can only show resolution of 800x600 - how do I change it?

My monitor is 1920 x 1200 and the computer is running Windows 7. Using VirtualBox and Ubuntu 10.04, the screen of the Ubuntu can only be 800 x 600 or 640 x 480. Is there a way to change that. I ...
10
votes
6answers
17k views

Ubuntu 64-bit vs 32-bit

Is it worth installing the Ubuntu 9.10 64-bit version over the 32-bit x86 version? I will get the ability to address more than 4 GB of memory, but other than that, how does the 64-bit version fare in ...
5
votes
3answers
5k views

How can I run my ubuntu partition in Windows? vmware?

My machine is dual-boot windows 7 and ubuntu 10 on different partitions of the hard drive. Normally, I boot into Ubuntu if I want to use Ubuntu. However, when I need to run in Windows I'd like to be ...
35
votes
4answers
8k views

Linux equivalent command for “open” command on Mac/Windows?

Coming from Mac OS X, you can type: $ open yourfilehere.txt and your file will open just as if you had opened it from Finder. On Windows, one can type: > start yourfilehere.txt and it will ...
24
votes
13answers
32k views

Enable System Beep in Ubuntu

I have tried and tried to get the system beep working, but with no success. I have selected System-->Sound-->System Beep-->Enable Audible Beep (from the Gnome Desktop) I have tried from a Terminal ...
28
votes
3answers
12k views

Convert a PDF to greyscale on the command line in FLOSS?

I have a colour PDF file, and I'm going to print it out and then photocopy it in black and white. I'd like to know what it's like in B&W before photocopying it. Is it possible to 'greyscale' a PDF ...
46
votes
5answers
95k views

How do I create an administrator user on Ubuntu?

I want to create a user having sudo powers in Ubuntu. How can I do that?
26
votes
7answers
4k views

Why create many partitions?

I have noticed that when installing Ubuntu some people create multiple partitions for directories. Like one for root, one for home, one for boot. What is the advantage to doing this over installing ...
16
votes
3answers
9k views

How to swap the “fn” use of Function keys on al Apple Keyboard in Linux

I have an apple slim keyboard (USB) and if I want to use one of the Function Key as-is, I also have to press "fn " key first. Otherwise, it will try to perform the other function of the key, such as ...
13
votes
3answers
53k views

Automatically start VNC server on startup

I installed the Ubuntu desktop on a Ubuntu 9.10 VPS server and am able to connect to the server using TightVNC. However, the VNC server on this VPS can only be started by logging in through SSH and ...
10
votes
4answers
5k views

How I can make sudo session an hour and not few minutes in Ubuntu 10.04?

How I can make sudo Ubuntu 10.04 session an hour and not few minutes? Now I have to write my password for sudo commands every few minutes.
7
votes
2answers
1k views

What do I have to take care of when hibernating both Ubuntu and Windows (dual-boot environment)

I've got both Windows 7 and Ubuntu (finally) installed on my laptop. For the sake of comfort, I usually hibernate Windows instead of shutting it down. And I think when using Ubuntu regularly, there ...
5
votes
2answers
5k views

Monitor the bandwidth usage of each computer on a network

I have a Linux box that I would like to use to monitor all bandwidth my network, there are multiple computers all plugged into the network. Is there some way to ARP spoof all the traffic through the ...
5
votes
5answers
8k views

Setting a default CPU Frequency in Ubuntu?

How do I get Ubuntu to select a default cpufreq on boot? These are the frequencies my CPU has available: $ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies 2300000 2200000 ...
3
votes
12answers
16k views

Compatibility of Linux with Samsung series 7 Chronos

I want to buy a Samsung Chronos notebook and install Ubuntu alongside Windows. Will there be any trouble with the hardware? I'd hope all the ports should work fine, keyboard special buttons, lights ...
3
votes
3answers
11k views

Ubuntu/ Gnome : Open an application in a specific workspace

How do tell an application to open in a specific workspace? More info: I like to have my C++ IDE in workspace 2, my Java IDE in workspace 3, and my email, browser and miscellaneous in workspace ...
12
votes
5answers
64k views

How to remove the Ubuntu Gnome desktop after making the switch to KDE?

This is the opposite of this question. Basically I've been using Ubuntu for a while but decided to give KDE a shot so I went through the process of getting the latest KDE installed. I'm very ...
9
votes
5answers
13k views

Is NTFS on Ubuntu stable?

Is NTFS support stable enough to use safely? I believe you have to install an additional package to make it work.
4
votes
2answers
9k views

Convert old videos to have smaller sizes

I have some videos from a few years ago,with various formats, such as avi, mpg, wmv, rm, rmvb, .... Their sizes are huge(more than 500 MB, and sometimes > 1GB). Given there may likely be some ...
7
votes
4answers
5k views

Linux Group Permissions not being enforced correctly.

I am running Ubuntu 10.04 server and am having some very counter-intuitive experiences with users/groups. For example: sudo touch test_file # create empty file sudo groupadd test ...
4
votes
1answer
2k views

Is it possible to route only a specific application through a VPN?

I've recently purchased a VPN from vpntunnel.se and was wondering if it was possible to use it for specific applications (Firefox, xchat etc) Also i'm having a little trouble setting up the the VPN ...
4
votes
2answers
3k views

On Linux can I keep a program running in background even after I disconnect?

If I'm logged into a remote Linux machine, I know I can suspend a process (cntr-z) and move it to the background (bg 1) but if I disconnect from the machine, the process stops. Is there a way I can ...
3
votes
3answers
857 views

Using Vista boot loader instead of GRUB

I had Vista installed on a partition and I installed Ubuntu on the remaining free space. Now when I boot the computer the OS selection screen is GRUB. Ive used EasyBCD to configure my Vista boot ...
2
votes
3answers
5k views

Toshiba A200 laptop running Ubuntu hangs/freezes when plugged in

My Toshiba laptop worked perfectly for three months or so in Ubuntu recovery mode but now it hangs/freezes every hour and when it's plugged in. I spend eight hours a day on an average on my laptop. I ...