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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1answer
16 views

What are the pros and cons of encrypt my home folder?

I have install and reinstall Linux for a quite of time, I have always noticed one option shown that give me the choice to encrypt my home folder under the log-in automatically option, why is such a ...
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1answer
16 views

What kind of server can be accessed at \\SERVERNAME in Windows

I want to have Ubuntu running a server that I can access from my Windows machine using \SERVERNAME\LOCATION. What kind of server do I need?
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26 views

Connected to wi-fi but no network

My wi-fi router suddenly stopped working, and I can't get it to work. My provider had issues in my area, but they settled, and after that wi-fi is not working anymore. I have a following setup: modem ...
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9 views

PXE boot - can't access BIOS

The issue I'm having is with a Dell Vostro 3360, Windows 7 64 Bit + Ubuntu 12.04 (Dual Boot). Everything worked perfectly until one day after a windows update it started showing this message on start ...
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12 views

No operating system found on USB

I used to run Windows 7 Ultimate x64. I decided to switch to Ubuntu 14.10. I booted it up on my USB and loaded it. It started in demo mode. I started the install process and I could do all but ...
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5 views

ImportError: liblapack.so.3gf: cannot open shared object file: Input/output error

I am importing numpy into python on Ubuntu 12.04 using a PCDuino3. For some odd reason, several of my links in the /etc/alternatives/ go bad after running my code. When I type ls -l in ...
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0answers
7 views

Already have Public dhcp and dns. Now i want to setup dns in private network

I have dlink router and ip address range is 192.168.1.0/24. It have dns in the router itself. So whenever executed " host 192.168.1.1 " or " nslookup 192.168.1.1 " it displays domain name everything ...
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0answers
21 views

How do I reach devices on a DIY wireless access point? (different subnet)

The wireless component of my router started suddenly flaking and dropping connections, so I improvised a WAP from an old netbook, wired to this router. I'm very ignorant about networking so I'm sure ...
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0answers
18 views

Cannot connect to Linux server over LAN

I am running Xubuntu on my computer and am trying to connect to it from a laptop on the same network. I am able to telnet into a server running on the laptop from the computer, but I cannot connect to ...
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1answer
9 views

Having problems accessing the host's hard drive in VMware

I recently installed VMware 10.0.0 in my Windows 7 and created a Ubuntu Gnome 64. I want to set up a shared folder with your host OS, my D:/, so I can work with the projects located there. Searching ...
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20 views

linux - Burn bootable dvd

I try to burn a bootable dvd for linux mint mate 17.1. I tried 3 tools: Braseo (ubuntu/mint) windows disk image burner (win7) Nero (a tool for windows) Only the image burned by Nero succeed to ...
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0answers
14 views

Bios does not load, system boots normally after changing time settings

I am very confused by this. I have a CyberpowerPC laptop (Intel HM87 main-board) with dualboot (Win 8.1 and Ubuntu 14.04, both 64 bit). I had the dualboot time difference problem many people have, so ...
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2answers
69 views

Can a Linux OS be installed on a Windows 8.1 tablet and co-exist with Windows 8.1?

Something like what desktop machine called 'Dual-boot', so can linux os (e.g. Ubuntu or Mozillux) can be installed in a Windows 8.1 tablet and co-exist with it and allow me to 'dual-boot' either one ...
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1answer
23 views

Boot from a windows 7 harddrive on a linux first laptop?

I have a windows 7 hardrive from my old laptop that died. I use Ubuntu exclusively on my new computer so I never had a need to dual boot. Now, there's some info on the old drive that I want to ...
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0answers
8 views

Gnome 3 Alt-Tab issues with Gnuplot

I like how Gnome 3 Alt-Tab groups windows of the same program the same way that OSX does, which makes it easy to bring e.g. all terminal windows to the front at the same time. That's the main reason I ...
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1answer
16 views

How get reach of Grub at Debian and going to desktop environment?

Recently I installed Debian Distro of Linux as a 2nd operating system, When I chose the Debian operating system during boot, a command prompt (like to Terminal at Ubuntu) starts with message "Welcome ...
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10 views

Error: EMFILE, too many open files - Solution?

I'm getting this error, my server has a lot of visitor now. My Vps is 4 Gb ram with 4 Cpu. Should I move to bigger server for solution? Because ulimit -n 10000 not working.
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15 views

Is my system rebooting cleanly by itself? Interpreting output of the 'last -x' command

My Ubuntu 12.04 sometimes reboots by itself, and I'm trying to debug what is causing it. I can't seem to find anything relevant in the logs, so this indicates it might be a hardware issue. However, ...
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0answers
26 views

what does the following output mean? [on hold]

shubham@shubham:~/java_applications$ java -v The program 'java' can be found in the following packages: * default-jre * gcj-4.8-jre-headless * openjdk-7-jre-headless * gcj-4.6-jre-headless * ...
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1answer
46 views

how does ping -W work

I want to try to use ping to detect if a server goes down. So the idea was to have something ping forever, and then if ping ever timed out( -W flag) it would return and I'd be able to detect it. But ...
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0answers
24 views

Executing Minecraft Server Commands via SSH and Screen

I'm extremely new to linux, so please help me out if you can! I have read many of the posts about managing/monitoring servers using SSH and Screen, but have not found anything regarding my particular ...
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21 views

How to create a VM from archived linux?

There is a full backup of a 64-bit ubuntu called fullbackup.tar.gz which needs to become a live virtual machine. Is that even possible? VirtualBox file is preferred.
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0answers
10 views

LIVE USB has error Grub Rescue

my issue is NOT ubuntu 14.04 LTS installed on HDD. my issue is live usb getting error on boot "no such device: ..... grub Rescue > " i know people say just format and remake whole live usb again. i ...
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0answers
16 views

linux installer does not detect installed windows 7

I try to install linux ubuntu on my laptop alongside windows 7 x64, that are already installed. I use bootable usb flash. When I am from live usb in Linux I can see all my windows files, but the ...
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1answer
16 views

Load Images and play Videos online using linux terminal

I am using ubuntu 12.10 and I am browsing website using w3m module. But this module cannot shows images and play videos. Is there any way to load images and play videos in linux terminal?
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1answer
21 views

What to do when “apt-get update” gets stuck in 100%?

I'm setupping a VirtualBox VM to do my development work with Ruby on Rails. My problem is that apt-get update is taking very long, ~30 minutes instead of seconds. I can install things with apt-get ...
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1answer
19 views

Any similar alternative of YUMI in Mac OS X? [on hold]

I want to create a portable Ubuntu pendrive—without installing it—but wherever I search, I cant seem to find a alternative to YUMI. Any idea or instructions to get the same result?
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2answers
23 views

How I can create a multiplatform portable pendrive of Ubuntu?

The goal is to carry a pendrive with your personal files and Ubuntu. Just plug in a computer and boot it. Is this possible? Across Mac/Windows/Linux?
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2answers
46 views

Is it possible to compress a full file system on Linux?

On Windows I can use NTFS drive compression to save heaps of disk space; usually 30%, often much more. It also improves read and write speeds at the cost of higher CPU usage; which isn’t an argument ...
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0answers
11 views

hub 3-0:1.0: couldn't allocate port 9 usb_device

I have a motherboard Asus H97-Plus, and recently, don't know why, everything has gone mad. The bios took 4 minutes to load before displaying, then I had GRUB (I could select Ubuntu 14.04), and then ...
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0answers
5 views

How can I make default Vagrant storage a fixed size?

I use Vagrant with VirtualBox provider. When I execute vagrant up in my terminal I had a Dynamically allocated storage at the end of execution. How can I change --variant option to the Fixed storage ...
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0answers
18 views

Can't access static IP ubuntu server

I am running an Ubuntu server 14.04 LAMP server within Hyper-V. When using DHCP, everything works. The moment I change it to a static ip by modifying the contents of /etc/network/interfaces to ...
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8 views

SVN Backup and Restore

I am trying to take backup and restore Remote SVN using svnrdump because we don't have an admin SVN console. I need a incremental backup so it will take less time. I am using the following command ...
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1answer
21 views

MongoDB manually preparing for upstart but not running

I am on Ubuntu 14.04.1 LTS. $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.1 LTS Release: 14.04 Codename: trusty Instead of using the system ...
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1answer
20 views

Updating OpenGL on Ubuntu

When trying to run Portal 2, I recive this error: SDL video target is 'x11' SDL video target is 'x11' SDL failed to create GL compatibility profile (whichProfile=0! SDL failed to create GL ...
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0answers
18 views

Video playback from remote filesystem lag on Ubuntu

I have laptop running Ubuntu 14.10 and used for watching movies from my server. I've installed vlc player but faced with the bug: At approximately 40 minute (can ve different for various videofiles) ...
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0answers
14 views

How to increase space for ubuntu

I have installed Ubuntu in my laptop along with Windows 7. Initially I alloted only 20Gb and installed it. Now I need to add 30GBB more to it. How can I do that? I am new to Ubuntu. ...
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1answer
25 views

Cant launch Portal 2: Failed to load the launcher (libuuid.so.1: cannot open shared object file: No such file or directory)

I got a new computer downloaded Steam, and purchased Portal, and downloaded it to both my old computer and my new computer. It launched instantly on my old computer, but, refused to launch on the new ...
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0answers
12 views

VirtualBox, shared folders and npm modules

I'm had tried to install some npm modules and got a problem: vagrant@vagrant-ubuntu-trusty-64:[path/to/shared/dir]$ mkdir newDirectoryName mkdir: cannot create directory ...
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2answers
14 views

Lenovo X201 screen - black now green

My trusty Lenovo X201 (running Ubuntu 14.10) has developed a problem with the screen. The colour black is now green. Initially, I could make the problem go away by moving the screen back and forth but ...
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0answers
6 views

slow vnc runnig mate desktop

i have a vps running ubuntu 14.10 with 4 gb ram 3 cores processor and 50gb disk i installed xfce lubunut and finally mate desktop environement but it was slow i found a post that For faster remote ...
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15 views

Can not login through “ubuntu” option but can login through “ubuntu 2D” option

My system is Ubuntu 12.04 LTS. Since updated, every time I input the right username and password and hit enter using Ubuntu entrance, I got bounced back to the log screen. But other entrances are ...
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1answer
27 views

Apt doesn’t seem to update package sources when attempting to install Mono on Ubuntu 14.04

I’m currently tinkering with Ubuntu 14.04 LTS in a virtual machine. I have been having success with getting my Samba server set up correctly and I have also set up my FTP service. So the next thing I ...
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1answer
11 views

How do I boot into Xubuntu after dual booting along-side Windows

I recently installed Xubuntu 14.04 from USB on a netbook running Windows 7. It installed fine, but before I restarted the machine, I removed the USB stick (out of habit). I couldn't shutdown the live ...
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0answers
11 views

Why is system removing working packages?

I noticed that my system (Elementary OS, based on Ubuntu 14.04) is trying to remove working packages through auto-remove. Running auto-remove makes system unusable, reinstalling packages do nothing, ...
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15 views

Mark file icons with emblems like in Ubuntu in Windows

A while ago I was playing with an older version of Ubuntu, which allowed me to mark the files with an emblem that appears on top of the file's icon. I'm wondering if I can do the same thing in ...
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1answer
29 views

Problems installing Ubuntu in VirtualBox

Whenever I try to install Ubuntu 14.04 in Virtual Box some strange codes pop up and no matter what I do. Am I doing something wrong? A few hours before I successfully installed Windows XP SP3, but ...
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1answer
29 views

How to make clicking a link in external app use running firefox profile

I use more than one firefox profile on Linux. If I click on a link in an external application, instead of opening the URL in a running browser window, I get a firefox profile manager dialog. How can ...
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2answers
41 views

ssh connection between two local computer

I'm trying to establish an ssh connection between my personal computers, connected with LAN and Wi-fi to different networks. Let's call them computer A, with Ubuntu 14.04.2 LTS, connected with LAN, ...
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16 views

Running upstart as non-root user not working in Ubuntu 14.04 LTS

I realise a similar question has been asked before but the solutions aren’t working. I think its because I'm running a multi-line exec call: script exec start-stop-daemon --start --chuid sbprod ...