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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How to access the terminal in Ubuntu GUI without a mouse

I have an embedded Ubuntu 12.04 system running with no monitor and I need to run a command in the terminal. I can connect a USB keyboard (or even a mouse, but a mouse would be difficult to use without ...
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8answers
59k views

Can you explain how to understand what the 'iwconfig' command displays in Ubuntu-9.04?

I'm having trouble making my wireless connection work, and I realized I don't really know how to use the tools I have, in this case, the iwconfig command in Ubuntu-9.04. Here is what I get: ...
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5answers
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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 ...
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4answers
7k views

Ubuntu grep, find etc: “Permission denied” and “No such file or directory” output

When I grep or find something I always get annoyed by the "Permission denied" and "No such file or directory" notice, smth like that: johndoe@johndoe-desktop:/$ grep -rnP 'YII_CORE_PATH' ./ | grep -v ...
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2answers
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How to run programs from a linux terminal without blocking the terminal?

Right now when I start a program from a terminal I can't use that terminal instance again until I close the program. I am a new user of linux, and I want to know if there is a way to execute a ...
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5answers
5k views

Command line PDF reader

Is there a command line program for linux that will let me read the text of PDFs? I'll willing to live with a lack of pictures.
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3answers
546 views

Ubuntu: What are they doing to the vanilla sources?

Correct me if I am wrong As far as I know distros like Debian/Ubuntu/Fedora usually modify the vanilla source code before creating a package. What's the reason behind these changes? Is there a ...
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3answers
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Is my install 32 or 64bit?

I'm trying to find out if my Ubuntu install is 32 or 64bit. The best I can find is "i686" does this mean its 32 bit? Whats the correct way of finding out if the Ubuntu installed on my laptop is 32 ...
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4answers
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Ubuntu Server installed from USB puts GRUB on the USB drive instead of the hard disk

I've just tried installing Ubuntu Server onto my new PC. The PC doesn't have a CD ROM drive, just USB, so I used a USB installation of Ubuntu Server. When I install it, it allocates dev/sda as being ...
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4answers
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When would you use apt-get remove over apt-get autoremove?

I understand that apt-get remove removes packages and apt-get autoremove is to remove any packages that were installed to fulfil a dependency for a given package. So for example if I installed ...
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2answers
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Can I make a script always execute as root?

How to make a script execute as root, no matter who executes it? I read about setuid but I'm not sure how to do this. I'm using Linux, Ubuntu 12.04 LTS.
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3answers
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How to make Windows 7 remember credentials for a Samba network drive?

I have a Samba share on my Ubuntu server which I map as a network drive on my Windows 7 Professional computer. After every reboot it shows the drive as disconnected and to access it I have to renter ...
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3answers
26k views

Upgrade Ubuntu from 32 to 64 bit edition

Is there a way to upgrade my 32-bit version of Ubuntu to 64-bit version? I use Ubuntu 9.10. If there is no simple way, what if I simply copy my home and /etc directories to new installation, will it ...
12
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5answers
10k views

A decent S3 bucket manager for Ubuntu

I'm looking for a decent S3 bucket manager for Ubuntu (Gnome). I prefer it to integrate with Nautilus so it will look like just any other drive (a la WebDAV) but so far I haven't been able to find ...
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3answers
11k views

How to connect to memcached from another machine

I'm trying to use memcached from a different machine (which has access to my server), but I can't figure out how. on the memcached machine I can test the connection by running telnet 127.0.0.1 port ...
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7answers
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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 ...
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3answers
7k views

Equivalent to Sysinternals Process Explorer on Linux

I am using Ubuntu 11.10 and am looking for an equivalent to Process Explorer on Linux. There is System Monitor but it's not nearly as good as Process Explorer with all of its detailed information ...
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1answer
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Unable to open env file: /etc/default/locale: No such file or directory

In my SSH log /var/log/auth.log I have the following error message Unable to open env file: /etc/default/locale: No such file or directory Any suggestions regarding the cause and how to fix ...
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4answers
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Is there a standalone Flash Player for Linux?

I would like to download a Flash game and play it without using Firefox under Ubuntu Lucid - any ideas how? I can download the game fine, I'm just wondering how to play it without Firefox. Is there a ...
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4answers
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Missing eth0 Ethernet interface in Ubuntu — can't connect to router

I'm having trouble getting my Ubuntu 10.04 machine (Sony Vaio VGN-SR490) to connect to the Internet by way of an Ethernet cable connected directly to my router. I'm able to connect to the Internet ...
12
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1answer
17k views

How to find installation path for packages installed through apt-get in Ubuntu?

I have been installing python modules using apt-get which works great using the console or launching files from the command line. However I am using Eclipse for easier organisation of files. Eclipse ...
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2answers
3k views

Command to find the source package of a binary?

I know there's a which command, that echoes the full name of a binary (e.g. which sh). However, I'm fairly sure there's a command that echoes the package that provides a particular binary. Is there ...
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3answers
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Does Linux support TRIM for SSDs on LVM?

I am getting a SSD and need to know, does Linux support TRIM if I set up LVM on top of the SSD? I'm finding conflicting information. I'm currently running Ubuntu 10.10 with kernel 2.6.35-28.
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4answers
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How do I quickly stop a process that is causing thrashing (due to excess memory allocation)?

We've all experienced it--some program is asked to do something that requires a huge amount of memory. It dutifully tries to allocate all this memory, and the system immediately begins thrashing, ...
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2answers
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How do I get better USB transfer speeds in (X)ubuntu?

When I connect my USB 2.0 drive to Xubuntu and try to transfer large files, transfer speeds are good at first but drop after a few seconds to 1-2 Mib/s. From what I read, the fast transfer at the ...
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1answer
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How do I add/remove an entry in the Indicator Applet in Gnome?

I can't seem to find a guide or reference on how to configure the 'indicator-applet' (aka MessagingMenu) that came about in the 9.04 release of Ubuntu. It's that little mail icon that lists messaging ...
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1answer
1k views

How to tab completion when typing command in tmux?

Some commands (kill-session and kill-server) have the same prefix. When I type (prefix:kill-seTab), tmux won't give me any result. Is there a option to show wildmenu for auto-completion inside tmux? ...
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3answers
7k views

Is it possible to alias a username on Linux?

I'm not sure if this has a practical application at all (aside from the fact that I am lazy. you know "christopher" has 11 characters, and I want to type 1), but is it possible to alias a username on ...
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4answers
3k views

What are possible security issues with an SSH daemon?

I'd like to be able to SSH to my Ubuntu 10.04 office PC from the outside. I am thus thinking to start up an SSH daemon on the PC. What are the security issues, possible glitches, specific ...
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7answers
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Ubuntu: is there a better file manager than Nautilus? [closed]

Is there a package readily available that can replace & enhance the functionality of Nautilus?
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7answers
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Which lightweight HTTP or FTP Server is good for simple file transfer? [closed]

This question is a followup to How to copy files to an untrusted computer?, as there doesn't seem to be a dedicated app for this purpose, I am now searching for a http or ftp server as an alternative. ...
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1answer
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Linux: how to list printer names acceptable for use with lpr?

The lpr man page says a destination printer can be specified with the -P flag. -P destination[/instance] Prints files to the named printer. I have 'added' various printers on local Samba shares ...
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6answers
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Why is 64 bit Ubuntu not recomended for daily usage?

I am just in the process of setting up a new laptop which came with Windows 7 64 bit installed. I am going to set it up to dual boot Windows 7 and Ubuntu. When I went to get the Ubuntu download I ...
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4answers
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Why was the close button moved to the left side in Ubuntu?

I was using Ubuntu 9. After automatically updating it to 10, the minimize, maximize and close buttons that used to be on top right were moved to the top left. Among the three buttons, close was moved ...
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2answers
31k views

Starting Ubuntu without the GUI

I want to boot a "Ubuntu 10.04.2 LTS" server, but I want XFCE not to be started, nor X at all, only Shell. How do I tell my server to boot to the shell, not running XFCE at all? I have an SSH ...
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4answers
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Producing a specific ASCII character in Ubuntu

I'm used to holding the left Alt and entering the ASCII character whenever I'm using an unknown keyboard configuration and want to type a special character. For example, Alt + 0 + 9 + 2 makes a ...
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3answers
9k views

How to swap stereo channels in Ubuntu?

I'm currently running Ubuntu 9.04. I wanted to swap the stereo channels, but I couldn't find that option in the Volume Control Preferences. Is there a way to do this without touching any ...
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6answers
7k views

Hide files in Linux without using the dot

I wish to hide files in Linux without using the dot, since it's possible in Windows. Is there a way to do this?
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3answers
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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 ...
11
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1answer
7k views

Is there a way to call a script when Ubuntu wakes up from suspend or hibernate mode?

I have a little shell script that I run automatically when I log on to my Ubuntu machine; it will set the parameters of my touchpad the way I like it. However, when Ubuntu wakes up after being ...
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2answers
8k views

How do I migrate from Ubuntu to Debian?

I've been considering migrating my laptop from Ubuntu to Debian. I didn't set up a separate home partition. Is it as easy as just installing Debian over Ubuntu?
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3answers
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How can I adjust the mouse scroll wheel sensitivity?

I just replaced my old Logitech mouse with a Microsoft Wireless Laser mouse, and the scrolling is too fast for my liking. How can I adjust the scroll sensitivity? Update: I just updated to 10.04, ...
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2answers
4k views

Microsoft Surface Alternative OS

Is it possible to install a new operating system like ubuntu on the Surface, instead of windows 8?
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3answers
2k views

A rapid way to type funny characters from Scalaz?

Is there any easy and fast way to type the funny characters (like ⊛, ≟, ∘, ∨ etc) from Scalaz? (I am using Ubuntu 9.04)
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4answers
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Sharing TrueCrypt partition between Windows and Ubuntu

I want to install dual boot with Windows and Ubuntu (Windows 7 and Ubuntu 9.04 in this case) both sharing one partition for data with TrueCrypt. Is that possible? Would that work well? My plan would ...
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2answers
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VirtualBox shared folder hangs on read in guest OS

I'm running VirtualBox 4.2.18 with a Windows 7 host and Ubuntu 13.10 guest. I'm trying to set up a shared folder, but attempting to read the folder from the Ubuntu VM appears to hang indefinitely. ...
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4answers
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Linux: How to set default directory of terminal emulators?

After upgrading to Ubuntu 11.04, my terminals (gnome-terminal and urxvt) start in "/" instead of "~" What can cause this behavior? I imagine that the working directory of Gnome or X is set to "/", ...
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3answers
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Can I have my terminal background change based on hostname?

I'd like to have my terminal background color change based on hostname. My reasoning for this is mainly to have and extra way to remind myself what server I am on, so I don't do something stupid. Is ...
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3answers
1k views

Boot to Windows once from Grub then back to Ubuntu on next boot

I do a lot of remote work on computers and my home comptuer has 2 OSes: Ubuntu and Windows 7. I would like to be able to switch to Windows occasionally but this is impossible without losing my ability ...
11
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1answer
557 views

How do I give the OOM killer teeth again?

Back in the day I used to curse the OOM-killer for being over-aggressive and killing apps I was using. Now, as I periodically watch my system thrash for 15 minutes because of some ill-behaved program, ...