Free, open-source operating system based on Debian GNU/Linux. Ubuntu questions are on topic here, but if you prefer an Ubuntu-only audience there is AskUbuntu.com.

learn more… | top users | synonyms

185
votes
14answers
176k 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 ...
31
votes
10answers
28k 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
6answers
11k 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 ...
45
votes
6answers
27k 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
2answers
3k 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 ...
3
votes
3answers
24k 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 ...
124
votes
5answers
315k 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 that?...
41
votes
2answers
57k 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 ...
61
votes
11answers
79k 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 ...
10
votes
4answers
3k 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. ...
31
votes
10answers
44k 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.
35
votes
8answers
8k 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 ...
6
votes
5answers
4k 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 one,...
3
votes
3answers
905 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 ...
8
votes
1answer
234 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 ...
7
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 ...
3
votes
2answers
30k views

Can 64-bit software run on 32-bit OS?

I have a 64-bit machine that has Windows 7 32-bit and Ubuntu 32-bit installed as a dual boot setup. Can I run 64-bit software on top of these 32-bit OSes, or are they a "bottleneck" limiting the true ...
67
votes
5answers
136k views

How do you add a certificate authority (CA) to Ubuntu?

My work has decided to issue their own certificate authority (CA) to handle different aspects of our work securely without paying for certificates. Cryptographically sign emails Encrypt email ...
58
votes
4answers
73k 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 ...
26
votes
7answers
6k 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
20k views

How can I increase the Hyper-V display resolution?

I just started experimenting with the Hyper-V of Windows 8 and installed Ubuntu on it. However when I launch it my screen resolution is small. How can I scale Ubuntu to the resolution of my screen?
25
votes
9answers
31k views

Is it possible to dual boot two OS's at the same time?

Is it possible to dual boot two OS's at the same time? For example: I'm currently dual booting Ubuntu 11.04 and Windows 7. Ubuntu is running on a single 500gb HDD, Windows 7 is running on 1TB RAID 1 ...
11
votes
3answers
3k 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 ...
5
votes
3answers
7k 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 ...
10
votes
6answers
18k 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 ...
7
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: ...
3
votes
4answers
7k views

How do I keep jobs running after logout? [duplicate]

Possible Duplicate: How do I fork a process that doesn't die when shell exits? Sometimes I remotely connect to my Ubuntu using NX. I then run some jobs in the background, e.g.: $ /path/to/...
79
votes
16answers
97k views

How to synchronize the home folder between multiple computers?

I have three computers at home, and would like to have the /home/ folder tree synchronized between the three. Any files/folders (except those hidden) that are modified/added/removed in one of the ...
38
votes
4answers
10k 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 ...
30
votes
3answers
18k 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 ...
32
votes
12answers
42k views

Enable system beep in Ubuntu

I have tried to get the system beep working, but with no success. I used echo -e '\a' and the beep application. I have tried entering modprobe pcspkr at the command line, and made sure pcspkr is not ...
20
votes
4answers
93k 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 ...
20
votes
1answer
66k views

How can I create an SSH user who only has permission to access specific folders in Ubuntu?

I installed SSH, but I found if I use my original account to login to Ubuntu, it has too many permissions. I want to constrain the user to only have permissions for specific folders in Ubuntu. How ...
27
votes
6answers
69k views

Why do I need to enter a password for the Default Keyring to unlock?

When I log into Ubuntu, I am prompted every time to: Enter Password for Default Keyring to Unlock I want to avoid this step since I am the only person using this machine and I see no reason to have ...
44
votes
2answers
7k views

Why would the Wi-Fi connection on my smartphone perform better than the same connection on my laptop?

The download speeds while connected on Wi-Fi to the same router—an ADSL2+ Wireless N300 Modem Router—seems to be significantly faster on my phone than on my laptop. This problem doesn’t occur all the ...
13
votes
4answers
10k 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.
11
votes
7answers
4k views

Time Machine on Ubuntu?

Is there a Time Machine like backup system for Ubuntu? If not, what is the closest thing?
4
votes
4answers
5k 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 |...
3
votes
12answers
18k 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 ...
9
votes
2answers
3k 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
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 ...
14
votes
5answers
69k 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 ...
5
votes
2answers
10k 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 ...
12
votes
4answers
9k 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
3k 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
901 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 ...
3
votes
4answers
14k views

I can't boot to Ubuntu after installing Windows 7

I installed Ubuntu 10.04 and it is working properly, but today I installed Windows 7 to another partition, and now I did not get any boot menu and automatically Windows is working fine still. Is ...
4
votes
2answers
11k views

How to share Internet between two computers via USB?

How can I share Internet access between two computers via USB? I have a single wired network connection via Ethernet, and two laptops (one Windows XP, the other Ubuntu). Either the Windows or Linux ...
3
votes
2answers
1k views

Minimal emacs24 installation on ubuntu

I need a minimal emacs 24 installation for distribution in a virtual box. When I try to install emacs-snapshot from synaptics I get tons of stuff installed like ghostscript and imagemagic and various ...