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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How to stop application windows from shifting to workspace one after attaching dual monitor?

I'm using Unity on Ubuntu 13.04. I use arandr to configure my dual monitor setup. The problem is as soon as I apply my settings, the display resets and all application windows, which I had tediously ...
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1answer
43 views

Recommended app for elaborating “System Charts” out of a Makefile in Ubuntu?

I'm looking for an application that is capable of plotting graphically as boxes on a chart (System Chart) all the components and operations of a Makefile so that the chart be taped prominently to the ...
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2answers
2k views

Failing on apt-get update

Very recently when I have been attempting to check for updates on my laptop (Ubuntu 12.04), the check fails. sudo apt-get update: W: GPG error: http://us.archive.ubuntu.com precise Release: The ...
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2answers
111 views

Raid5 Device Has Less Space Than Expected

I have 3 3TB drives, and have raid5ed them together. I would expect to get a resulting device around 6TB. The command I used: mdadm --create md0 --level=5 --raid-devices=3 /dev/sda1 /dev/sdb1 ...
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2answers
62 views

Package name suggestion in fedora

In Ubuntu when an app is not installed and in Terminal you type for example gvim it says that this app is contained in package vim-gnome and try installing that but in fedora that doesn't happen with ...
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91 views

Please help me troubleshoot Ricoh Aficio 220 printing from ubuntu 12.04

I'm using Ubuntu 12.04, and until a couple of weeks ago I was able to print to a Ricoh Aficio 220 through a MicroNet SP756 print server. I must add I update my Ubuntu regularly (once a week) since I ...
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1answer
91 views

install a kernel module into BeagleBoard (BB)

I want to install a kernel module (For example "Hello world") on the BeagleBoard(BB). (The installed OS on the BB is an Ubuntu Linux). If anybody already worked on this could you suggest me a step by ...
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1answer
64 views

Installed Win7 after Ubuntu, Win removed Ubuntu boot option [duplicate]

Completely 100% new to Linux. I recently partitioned my drive to run Windows and Ubuntu simultaneously. Ubuntu installed fine, but then I installed Win7 and suddenly Ubuntu disappeared from the boot ...
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3answers
693 views

Is there a way to have a web browser while no KDE or GNOME is installed? [duplicate]

Possible Duplicate: install firefox in ubuntu-server edition I'm running an ubuntu machine (server actually) that does not have any user interface installed, only a command line. I was ...
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38 views

getting “//” after the URL

I'm running nginx web server. I have not written any rule to redirect abc.com to www.abc.com, I have just added both in server_name directive which looks like, server_name abc.com www.abc.com; My ...
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0answers
702 views

Can't connect through ssh?

I'm running two OSes, one (Backtrack 5) as a guest in VirtualBox and the other (Ubuntu 13.04) as the host. Now when I connect to my host through ssh (host-only connection): $ ssh 198.168.*.* -vvv ...
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2answers
935 views

sending email to IP address via postfix

I and a friend of mine have setup two Postfix mail servers on our laptops. We succeeded in sending mail to a real network (to some Gmail accounts) from our computers; that was the easy part. We now ...
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2answers
272 views

Can I recover from a system disk error on Ubuntu Linux?

I got a strange looking warning message in Windows Vista about a potential hard disk failure. I say strange because I have never in my life seen that type of warning in Windows. It suggested that I ...
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1answer
79 views

How to install Ubuntu on a system where is already Mint and Windows 7?

I have already installed Linux Mint on Windows 7 so now I have dual boot with Linux Mint and Windows 7. They are both on diferent partitions. I have 1 free partition left. The question is how to ...
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2answers
440 views

SSH tunnel through middleman server - how to connect in one step (using key pair)?

My question is basically how to turn my existing two steps into one step. I have a working SSH tunnel set up between two computers using a middleman server like this: ...
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1answer
176 views

Unable to recognize old interfaces after motherboard update

I updated motherboard on x240 computer node, now the ethernet interfaces show up as eth2 and eth3 previously it was eth0 and eth1. I tried to delete /etc/udev/rules.d/70-persistent-net.rules file but ...
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0answers
224 views

Elantech touchpad freezes

I have Asus Zenbook UX32VD with Elantech touchpad. Everything worked perfectly until yesterday. Suddenly touchpad started freezing for few seconds. Here's what I found in dmesg: [ 1880.241468] ...
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1answer
1k views

Installing prstat package command on Ubuntu Linux

I'm trying to run the prstat command on my Ubuntu server, but it doesn't seem to be installed, I have searched the web for the package name needed to install it but without any luck for some reason.. ...
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1answer
310 views

Permanently disabled touchpad with function key

I pressed Fn+F5 on my Samsung 9 laptop, which disables the touchpad. It worked, but now I can't re-enable it. Clicking (and even click-through tapping) work, but the pointer doesn't move. If I cat ...
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1answer
136 views

Creating a terminal application from a shell script

I have a shell script. I want to convert the shell script to an application for Ubuntu which can be installed using (sudo apt-get install) command and after installing, the application can run from ...
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1answer
439 views

How can I set the TTY font size manually in Lubuntu? [duplicate]

I'm configuring some minimal Lubuntu installs, which will run within VMs. They do not have window managers, and I do not intend to install any. I would like to increase the TTY font size so that 4 of ...
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1answer
267 views

building/compiling kernel headers

I am compiling kernel 3.4 and 3.8 for different target devices. I would like to install compat wireless driver which requires kernel header. Could anyone tell me how I can compile/build the kernel ...
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0answers
289 views

Why does resume from hibernation pause/hang?

I used suspend (to ram) for a long time, and it worked flawlessly. Recently, I started using hibernate (to disk) - not-quite-flawlessly. Hibernate-to-disk works (from the terminal, so far - as ...
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1answer
109 views

Dropbox, notify-send and OSD interfere with Ctrl-shortcuts

I'm using Ubuntu 13.04 with i3 4.5.1. When i3wm starts, Ctrl-C/-D/-K etc. are working fine. When I start Dropbox, notify-send or change the volume, all Ctrl-something shortcuts stop working. I can ...
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1answer
221 views

Can grub2 detect processor architecture, and display options accordingly?

I have a bootable usb flash drive with grub2 handling booting of ISOs (mostly different spins of Ubuntu). I am editing the menu.cfg myself and have my own script to update grub because I don't want to ...
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3answers
750 views

How can I print unique line base on particular column value using awk? [closed]

I have a comma separated file with multiple fields. Example: candidate1,12,56,ATTG candidate2,45,90,ATTG candidate3,90,140,ATTG candidate4,2,36,AGCT So, does anyone know the answer?
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2answers
94 views

Learning Ubuntu - Testing on Mac OS 10.7?

I'm a beginner in learning Linux. I know that there are many different distributions of Linux including Ubuntu. I consider Mac OS as a distribution of Linux, is that right? My goal in learning Linux ...
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3answers
159 views

Automated mounting for usb drives in linux

I have a five 4TB usb drives. I want to setup a mount point, /mnt/backups so that when I plug in any of those drives, they get automatically mounted to /mnt/backups. The problem is that when the ...
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2answers
1k views

Configuring File Associations in Ubuntu with Wine

Related to this question, I have Ubuntu 20.04.1 LTS. I downloaded PlayOnLinux 4.1.9 (the Precise version) and used it to install Microsoft Office 2010 Pro. PlayOnLinux downloaded Wine 1.5.21 and ...
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0answers
51 views

How to use Gnome's extensions

I have been trying to install some Gnome extensions from the site https://extensions.gnome.org. I get the dialogue asking if I want to install, but after I select yes, it fails silently. This is the ...
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91 views

Ubuntu change language encoding for file uploading

Previously we were running a Wordpress site on a Mac OS Server machine. We had several hundred images with Chinese characters for the image names. Now we're trying to migrate to a Ubuntu system and ...
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1answer
147 views

Open luks-encrypted partition from virtual DomU LVM disk containing another LVM

I've gotten myself in a bit of a bind, here. A while ago I set up an encrypted Unbuntu 13.04 under Xen. It's virtual disk is an LVM LV. This LV was presented to the DomU as a (whole) physical disk ...
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4answers
222 views

Why is the available space in my $HOME decreasing?

My OS is Ubuntu 12.04. As System Monitor shows, "free" for my $HOME is 1.6GiB, but "Available" is 222.7 MiB and is keeping slowly decreasing from around 750 MiB yesterday. I am not aware that I am ...
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1answer
61 views

Problem with wifi in Ubuntu

I'm not able to see (or access) my WiFi in Ubuntu. tharcisyo@tssd:~$ iwlist scan eth0 Interface doesn't support scanning. lo Interface doesn't support scanning. wlan0 Failed to read ...
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1answer
307 views

I can't install Mono because something's wrong with the kernel (I think)

$ sudo apt-get install mono-runtime Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these: The ...
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1answer
358 views

Opening lid results in black screen (Dell Laptop with ATI Graphics, Ubuntu 12.04, 3.2 kernel, GNOME 3)

For the past few weeks, when opening the lid my laptop often fails to recover from suspension leaving me with a blank screen. Further, when this bug occurs, the laptop fans continue to run while the ...
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1answer
145 views

Do all distrbutions have the same drivers for ATI cards?

The problem is that my fan is too loud and working nonstop on my desktop. I have tried so far: Ubuntu 13.04, Linux Mint 15 and I had in both the same fan problem (nonstop working fan and very ...
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0answers
176 views

What is the difference between RGB and YCbCr?

In my Linux Mint ATI Catalyst setup I have set YCbCr as default for Color Pixel Format? What is the difference? I subjectively think that RGB (Full RGB) is better for my eyes. YCbCr seems to be ...
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3answers
100 views

Change terminal prompt Ubuntu

I have cloned a git repository to a folder in my workspace: /home/jose/workspace/very-very-very-long-repository-name/ so when i browse to it in my terminal it looks like ...
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0answers
151 views

Rsnapshot destination full - how to safely rerun?

I ran my Rsnapshot backup today but my external drive became full half-way through the incremental backup (I have about 20 incremental backups now). "rsync: write failed on "": No space left on ...
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0answers
133 views

How to install mini Ubuntu Live CD to harddisk?

I am using a mini Ubuntu Live CD called Ubuntu Mini Remix. This is a command line OS. There is no GUI. It does not come with any installer software like Ubiquity. How can I install this OS into ...
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1answer
9k views

Ubuntu: How to configure DNS servers in /etc/network/interfaces correctly for resolvconf?

All examples I have seen of configurations (/etc/network/interfaces) showed that you configure an interface and then underneath that gave the dns-* lines such as: auto eth0 iface eth0 inet static ...
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1answer
439 views

Equivalent of these commands in the following distros [closed]

These commands: dpkg -i apt-get install apt-get update apt-get remove apt-get dist-upgrade apt-get purge in these distros: Opensuse, Fedora, Gentoo, Arch, Slackware.
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1answer
601 views

Ubuntu / Unity attach script to Launcher

I recently downloaded IntelliJ IDEA and start the app by running . idea.sh. The app appears in the launcher while I'm running it, but for some reason when I right click on it I don't get a 'Lock to ...
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4answers
3k views

How to recover from a chmod -R 000 /bin?

And now I am unable to chmod it back.. or use any of my other system programs. Luckily this is on a VM I've been toying with, but is there any way to resolve this? The system is Ubuntu Server 12.10. ...
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0answers
94 views

White Screen Problem with MacbookPro

I have been using MacOS X for like 4 years. After I have started my new job, I now have an Ubuntu at work, which I started liking very much lately. I have MacBook Pro 9,1 and I have experience about ...
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1answer
664 views

“PS/2 Generic Mouse” gets lost. How to reload without reboot?

I am running Ubuntu 12.04LTS on a ThinkPad E420s. My Trackpoint is recognized as "PS/2 Generic Mouse". My problem is that it doesn't load/disappears after booting or after suspension. I can't move ...
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3answers
341 views

How compatible is Centos in respect to hardware for desktop systems?

I have been tasked with creating a promotional/sales tool for our clients and sales people . (about 8400 users) It is expected that the tool will be used on office and home systems. The tool will ...
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1answer
766 views

Unable to upgrade Cinnamon with Linux Mint 13

I would like to upgrade to the latest version of Cinnamon. I'm running Linux Mint 13 in a virtual machine. Everywhere I look, I see the same instructions: > sudo add-apt-repository ...
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1answer
340 views

Connecting from OpenVPN Server to MySQL Server

I have an OpenVPN server installed on a server. What I'm trying to do connect from the OpenVPN server using the mysql client to the MySQL server than is connected to the OpenVPN server using a ...